Did the 1999 earthquake swarm on Gakkel Ridge open a volcanic conduit? A detailed teleseismic data analysis

• Published in: Journal of Seismology
• Main Authors: Riedel, Carsten, Schlindwein, Vera
• Other Authors: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine (AWI), Helmholtz-Gemeinschaft = Helmholtz Association
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2009
• Subjects: Gakkel Ridge; HYPOSAT; Relocation; Station residuals; Spatiotemporal organization; 1999 swarm; Polar research; Double difference; Cross-correlation; Magma ascent; Oden volcano; Ultraslow-spreading ridge; Arctic
• Online Access: https://hal.science/hal-00537995; https://hal.science/hal-00537995/document; https://hal.science/hal-00537995/file/PEER_stage2_10.1007%252Fs10950-009-9179-6.pdf; https://doi.org/10.1007/s10950-009-9179-6

International audience In 1999, a seismic swarm of 237 teleseismically recorded events marked a submarine eruption along the Arctic Gakkel Ridge, later on also analyzed by sonar, bathymetric, hydrothermal, and local seismic studies. We relocated the swarm with the global location algorithm HYPOSAT a...