11 (2022-2022): Time lapse virtual & earthquake source seismic imagery at Krafla
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FDSN Network Information
| FDSN code | 11 (2022-2022) | Network name | Time lapse virtual & earthquake source seismic imagery at Krafla (KRAFLA) |
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| Start year | 2022 | Operated by | |
| End year | 2022 | Deployment region | - |
| Description |
This dataset presents seismic recordings from the 2022 Krafla field campaign in NE Iceland, conducted under the IMPROVE project (https://www.improve-etn.eu/). From June 17 to July 26, 2022, a network of 114 seismometers was deployed within the Krafla caldera to investigate the magmatic and geothermal system surrounding the IDDP-01 borehole. This site gained international recognition in 2009 when drilling operations unexpectedly encountered rhyolitic magma at a depth of 2.1km. Ongoing drilling at Krafla is managed by Landsvirkjun, and persistent local seismicity is monitored by a permanent network operated by ISOR. The primary deployment of the temporary network consisted of 104 SmartSolo 5Hz nodes, sampling at 250 Hz, arranged in a reflection configuration of two linear profiles with 30m station intervals centered on the IDDP-01 borehole. The shorter profile (~1km, striking NW-SE) comprised 33 stations, while the longer profile (~2km, striking NE-SW) comprised 71 stations. The northernmost 14 stations on the short profile and the northernmost 21 stations on the long profile recorded 3-component (3C) data, while the remaining stations recorded only the vertical (Z) component. Additionally, the network featured a circular array of ten 3C short-period seismometers (1Hz) with a 150m aperture, recording at 200 Hz. Originally collected for high-resolution passive reflection seismic imaging of the magmatic system, the raw data are provided in MiniSEED format and are made publicly available to support further geophysical and volcanological research. |
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Data Access
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