Category Archives: plate tectonics

Earthquake Report: Southern California

Late last night there was a sequence of earthquakes in southern California. The mainshock is a M 4.5 earthquake. https://earthquake.usgs.gov/earthquakes/eventpage/ci38695658/executive This temblor was widely felt across the southland (including by my mom, who was warned by earthquake early warning). This … Continue reading

Posted in collision, earthquake, education, geology, los angeles, plate tectonics, San Andreas

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 (and Tsunami) Oaxaca, Mexico

Well, it has been a busy couple of weeks. On 18 June, here was a M 7.4 earthquake in the Pacific plate along the Kermadec trench north of New Zealand which generated a small tsunami, even though it was a … Continue reading

Posted in earthquake, education, geology, mexico, pacific, plate tectonics, subduction, tsunami

Earthquake Report: Gorda Rise

It was a busy week (usual, right?). The previous week I was working on getting a house remodel done so someone could move in (they have been sleeping on couches for 6 months, so want to get them in asap). … Continue reading

Posted in cascadia, earthquake, education, Extension, geology, gorda, pacific, plate tectonics

Earthquake Report: Mina Deflection in Nevada

I was slowly waking up while looking at my social media feed. moments before (maybe minutes) Anthony Lomax had posted his first motion earthquake mechanism for a M 6.4 near the CA/NV border. I leaped out of bed and got … Continue reading

Posted in earthquake, education, plate tectonics

Earthquake Report: M 6.6 in Crete, Greece

Well, last weekend I was working on a house, so did not have the time to write this up until now. https://earthquake.usgs.gov/earthquakes/eventpage/us700098qd/dyfi/intensity The eastern Mediterranean Sea region is dominated by plate tectonics (no surprise, right?). The plate boundary fault system … Continue reading

Posted in earthquake, education, europe, geology, mediterranean, middle east, plate tectonics, subduction

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