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Category Archives: strike-slip
Earthquake Report: Owens Valley, CA
Well, the east side of the Sierra lives up to its reputation for being in earthquake country. From the July 2019 Ridgecrest Earthquake Sequence (reports here)to some shakers east of Mono Lake, to the May 2020 Monte Cristo Earthquake Sequence … Continue reading
Posted in earthquake, education, geology, plate tectonics, San Andreas, strike-slip
Earthquake Report: Banda Sea
Early morning (my time) there was an intermediate depth earthquake in the Banda Sea. https://earthquake.usgs.gov/earthquakes/eventpage/us70009b14/executive This earthquake was a strike-slip earthquake in the Australia plate. There are analogical earthquakes in the same area in 1963, 1987, 2005, and 2012 that … Continue reading
Posted in earthquake, education, geology, Indonesia, plate tectonics, strike-slip
Earthquake Report: Idaho!
Well Well Well Yesterday there was a very interesting magnitude M 6.5 earthquake that ruptured in central Idaho, near the Sawtooth fault. https://earthquake.usgs.gov/earthquakes/eventpage/us70008jr5/executive Idaho lies in the intersection of several different physiographic provinces. Physiographic provinces are areas of Earth that … Continue reading
Posted in earthquake, education, Extension, geology, landslides, plate tectonics, strike-slip
Earthquake Report: Mendocino triple junction
Well, it was a big mag 5 day today, two magnitude 5+ earthquakes in the western USA on faults related to the same plate boundary! Crazy, right? The same plate boundary, about 800 miles away from each other, and their … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, humboldt, mendocino, mendocino, pacific, plate tectonics, San Andreas, strike-slip, subduction, Transform
Earthquake Report: Salt Lake City
As I was waking up this morning, I rolled over to check my social media feed and moments earlier there was a good sized shaker in Salt Lake City, Utah. I immediately thought of my good friend Jennifer G. who … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, humboldt, mendocino, mendocino, pacific, plate tectonics, San Andreas, strike-slip, subduction, Transform
Earthquake Report: Mendocino fault
I was in Humboldt County last week for the Redwood Coast Tsunami Work Group meeting. I stayed there working on my house that a previous tenant had left in quite a destroyed state (they moved in as friends of mine). … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, mendocino, pacific, plate tectonics, San Andreas, San Francisco, strike-slip, subduction, Transform
Earthquake Report: Cayman Islands
Contrary to what some people spread around on the internets (some of them major earthquake experts), strike-slip earthquakes can and do generate tsunami (just like this one). More on this below. I am in Portland, Oregon this week, attending the … Continue reading
Posted in caribbean, earthquake, education, geology, plate tectonics, strike-slip, tsunami
Earthquake Report: East Anatolia fault zone
This M 6.7 earthquake was the result of slip probably along a left-lateral strike-slip fault associated with the East Anatolia fault zone (EAF). The event was shallow and produced strong ground shaking in the region. https://earthquake.usgs.gov/earthquakes/eventpage/us60007ewc/executive As I write this, … Continue reading
Posted in earthquake, education, europe, geology, mediterranean, middle east, plate tectonics, strike-slip
Earthquake Report: Gorda plate
On 10 February 2010 there was an earthquake with a magnitude of M 6.5, within the Gorda plate. This event was feld widely in the region, as well as statewide. In Humboldt County, we even made t-shirts about this quake. … Continue reading
Posted in cascadia, earthquake, education, gorda, strike-slip
Earthquake Report: 2010 Haiti M 7.0
This is the ten year commemoration of the 2010 magnitude 7 earthquake in Haiti that caused widespread damage and casualties, triggered thousands of landslides, caused tsunami, triggered a turbidity current, and caused thousands to be internally displaced. https://earthquake.usgs.gov/earthquakes/eventpage/usp000h60h/executive Here I … Continue reading
Posted in caribbean, earthquake, education, landslides, strike-slip, Transform, tsunami