A new Community Tool, created by Dr. William Wilcock of the University of Washington, in collaboration with Drs. Maya Tolstoy and Felix Waldhauser of Lamont Doherty Earth Observatory at Columbia University, provides near-real time documentation of earthquakes on the Axial Seamount using OOI seismometer data.
The OOI Cabled Array spans the Juan de Fuca tectonic plate in the NE Pacific, enabling monitoring of submarine earthquakes as well as volcanic activity, methane seeps, and water column processes. Seismometers installed at the Axial Seamount site focus on recording local earthquakes associated with volcanic eruptions, magma recharge and inflation of the summit caldera, tectonic extension, and hydrothermal circulation. Additionally, these seismometers are able to record regional and teleseismic earthquakes.
The Earthquake Catalog provides access to a near-real time catalog (updated hourly) of local earthquake detections and HYPOINVERSE locations for these seismometers. Along with the catalog of events, the site features maps of earthquake activity on 24-hour, 7-day, and 30-day intervals, as well as histogram plots of recent activity put into context with historic eruptions at Axial.
Support for this work comes from the National Science Foundation.
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