| 2C (2024-2024) | 
                        
                            GPR Investigation for Human Remains | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2C (2025-2029) | 
                        
                            XIX-INGV SISMIKO Emergency Seismic Network (XIX-ISESN) | 
                        
                             | 
                        
                            — | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2D (2008-2009) | 
                        
                            INGV Temporary Seismic Network for Parma 2008 Sequence (North Italy) | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2D (2010-2011) | 
                        
                            Albacore | 
                        
                             | 
                        
                             | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2D (2012-2012) | 
                        
                            Humming Roadrunner Temporary Seismoacoustic Network | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2D (2013-2016) | 
                        
                            N2 | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2D (2018-2019) | 
                        
                            DESTRESS – Demonstration of soft stimulation treatments of geothermal reservoirs | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2D (2021-2043) | 
                        
                            Eifel Seismic Monitoring | 
                        
                             | 
                        
                            — | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2010-2011) | 
                        
                            Seismic Coherence and Site Effect Studies at Precarious Rock Locations in Riverside, California | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2012-2013) | 
                        
                            Southwest Indian Ridge Earthquakes and Hydrothermal Plumes | 
                        
                            — | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2014-2016) | 
                        
                            Norway Microbarom Study 2014 | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2018-2019) | 
                        
                            West Antarctic Ice Sheet (WAIS) Divide Source Testing | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2021-2021) | 
                        
                            Reflection and Refraction Active Seismic Acquisition on Sourdough Rock Glacier, McCarthy, Alaska | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2022-2022) | 
                        
                            Bedload Monitoring - Sand Test in Rio Rancho | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2023-2023) | 
                        
                            Wairakei Earthquake and Tomography Array (WETA) | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2024-2024) | 
                        
                            SZNet 2024 Ashland Field Campaign | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2E (2025-2027) | 
                        
                            Receipt | 
                        
                             | 
                        
                            — | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2009-2009) | 
                        
                            Taiwan Supplement #2 to TAIGER project | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2010-2011) | 
                        
                            OMBRA seismic network | 
                        
                             | 
                        
                             | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2012-2013) | 
                        
                            LONGMEN | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2014-2015) | 
                        
                            PFO Accelerometer Test | 
                        
                             | 
                        
                            United States of America | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2016-2016) | 
                        
                            Play Fairway Analysis: Structurally Controlled Geothermal Systems in the Eastern Great Basin Extensional Regime, Utah | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2017-2020) | 
                        
                            Crust and lithosphere Investigation of the Easternmost expression of the Laramide Orogeny - Pilot Experiment | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2021-2021) | 
                        
                            MARIBNO | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2F (2022-2024) | 
                        
                            Toward a deeper understanding of Caldera Dynamics and Eruption Cycles at Axial Seamount | 
                        
                             | 
                        
                             | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2G (2010-2015) | 
                        
                            Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2G (2016-2016) | 
                        
                            Lastarria volcano experiment | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2G (2018-2021) | 
                        
                            Bergen Arcs Seismic Experiment | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2G (2022-2026) | 
                        
                            UK-PE1 Arrays | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2H (2009-2013) | 
                        
                            AFAR0911 | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2H (2014-2015) | 
                        
                            Ilan Plain 2014 | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2H (2016-2024) | 
                        
                            Interim Broadband Monitoring of the Mount Erebus Volcano | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2I (2015-2018) | 
                        
                            Yellowstone Hydrothermal Seismic Research Network, 2015-2018 | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2I (2019-2019) | 
                        
                            Water discharge Analysis by Seismic Hydrology – WASH | 
                        
                             | 
                        
                            — | 
                        
                            — | 
                        
                    
                    
                
                    
                    
                        
                            | 2I (2022-2023) | 
                        
                            Magnetic Field Characterization of Byerly Vault | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2I (2024-2050) | 
                        
                            INGV temporary seismic network of Osservatorio Vesuviano | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2J (2009-2010) | 
                        
                            South Coast | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2J (2011-2011) | 
                        
                            INGV Temporary Seismic Network for Montefeltro 2011 Sequence (Central Italy) | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2J (2012-2015) | 
                        
                            Seismological Observation of the Central-Northern Ecuadorian Subduction | 
                        
                             | 
                        
                            France | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2J (2016-2026) | 
                        
                            Clemson University Subsurface Deformation Monitoring Network | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2K (2014-2029) | 
                        
                            Scientific Induced Seismicity Monitoring Network | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2L (2015-2016) | 
                        
                            Monitoring the unrest of El Hierro Island with seismic observations | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2L (2018-2019) | 
                        
                            LARGE-MEM | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2L (2020-2022) | 
                        
                            Wellington Wellbore Velocity change experiment | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2L (2023-2023) | 
                        
                            Bedload Monitoring of Ephemeral Streams 2023 Nodal Portion | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2L (2024-2026) | 
                        
                            A New Instrument and Measurement Approach to Antarctic Cryo-Seismogeodesy | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2M (2015-2018) | 
                        
                            MISTERIOS | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2M (2019-2019) | 
                        
                            Seismic imaging of the magmatic and hydrothermal systems beneath Lassen Volcanic National Park using a nodal seismometer array | 
                        
                             | 
                        
                             | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2M (2022-2026) | 
                        
                            Newberry Volcano EGS monitoring | 
                        
                             | 
                        
                            — | 
                        
                             DOI | 
                        
                    
                    
                
                    
                    
                        
                            | 2N (2018-2018) | 
                        
                            TIME Tornillo, Texas Shot Testing I | 
                        
                             | 
                        
                            — | 
                        
                             DOI |