Here are some updated maps for this morning. There have been quite a few aftershocks. There are reports of landslides along the bluffs between Redway and Garberville. Here is a map that just shows these 22 earthquakes: Here is a…
M 6.8 Gorda plate earthquake 2014/03/10
Updated map below. See additional more updated information about Gorda plate earthquakes in the Earthquake Report for the 10 January 2010 M 6.5 earthquake here. That was exciting. I counted over 40 seconds of motion in Manila. This is a…
M 4.1 Gorda plate 2013/12/17
Good Morning Humboldt County! This earthquake awakened me early today after just a couple hours sleep. Very exciting and another wake up call to make sure I am prepared for a Cascadia subduction zone earthquake. The Cascadia subduction zone is…
Simuelue Swarm 2013/12/01-02
Here is a series of earthquakes in the region of the 2005 great Sumatra-Andaman subduction zone earthquake. These earthquake epicenters plot very close to the epicenter of the 2005 earthquake. The island just northwest of today’s earthquake is named Simeulue.…
M7.0 in the South Atlantic
How exciting! This earthquake is on the other side of the Scotia plate from the earthquake swarm from last week. This M7.0 earthquake appears to have slipped along a fault associated with the North Scotia Ridge (NSR). The NSR is…
M7.8 Scotia Sea
We just got another large earthquake in this region, of magnitude 7.8. There were some changes in magnitudes and epicentral locations early on. It is still early and may change more. Earlier there was a M6.8 earthquake nearby, along with…
M 6.8 Scotia Sea
Nice big one along the complex fault zone west of the Scotia subduction zone. The Scotia subduction zone is an interesting oceanic subduction zone that is possibly related tot he opening between South America and Antarctica. Today’s earthquake occurred in…
M 7.1 offshore Honshu Japan
Extensional earthquake in Pacific plate “up-dip” of the 11 March 2011 Tohoku-Oki earthquake. Here is the USGS page. Here is the moment tensor: Here is a map of the epicenter and Japan: Here is a map of the epicenter and…
Hookton Slough Coring
Tom Leroy and I went to my old coring site 01-BR-05 to make sure it was usable as a field trip stop for my class. We will be going here this coming Wednesday. Thanks Tom for helping me out. I…
M 6.4 Gulf California
Strike Slip in the Gulf. These transform faults connect the Cascadia subduction zone (CSZ) with the Middle America trench (MAT). Transform faults are strike skip fault systems that connect spreading mid oceanic spreading ridges. The northern end of this transform…