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Category Archives: mendocino
Earthquake Report: Mendocino triple junction
Well, I was on the road for 1.5 days (work party for the Community Village at the Oregon Country Fair). As I was driving home, there was a magnitude M 5.6 earthquake in coastal northern California. I didn’t realize this … Continue reading
Posted in cascadia, College Redwoods, earthquake, education, geology, gorda, HSU, humboldt, mendocino, mendocino, pacific, plate tectonics, San Andreas, strike-slip, subduction, Transform
Earthquake Report: Laytonville (northern CA)!
This morning there was a small earthquake in a region of northern California between two major faults that are part of the Pacific-North America plate boundary. The M 4.3 earthquake occurred between the San Andreas fault (SAF) to the west … Continue reading
Posted in earthquake, education, geology, mendocino, plate tectonics, San Andreas, strike-slip
Earthquake Report: Mendocino fault! (northern California)
I was driving around Eureka today, running to the appliance center to get an appliance (heheh). I got a message from a long time held friend (who lives in Salinas, CA). They asked me if I was OK, given that … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, mendocino, strike-slip, Transform
Earthquake Report: 1992.04.25 M 7.1 Petrolia
The 25 April 1992 M 7.1 earthquake was a wake up call for many, like all large magnitude earthquakes are. Here is my personal story. I was driving my girlfriend’s car (Jen Guevara) with her and some housemates up to … Continue reading
Posted in cascadia, earthquake, education, geology, humboldt, mendocino, pacific, plate tectonics, San Andreas, subduction, tsunami
Earthquake Report: 2016 Summary Cascadia
Here I summarize the seismicity for Cascadia in 2016. I limit this summary to earthquakes with magnitude greater than or equal to M 4.0. I reported on all but five of these earthquakes. I put this together a couple weeks … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, mendocino, mendocino, oregon, pacific, plate tectonics, San Andreas, strike-slip, subduction, Transform, tsunami
Earthquake Report: Mendocino fault!
I was awake and just logging into my laptop, still in bed, when I first felt some movement. The movement was slight and not impulsive, so I thought it was a small earthquake. Then the shaking reappeared. This is when … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, mendocino, pacific, plate tectonics, strike-slip, subduction, Transform
Earthquake Report: Petrolia (CA)
This morning there was a good shaker that was widely felt across the region. I did not feel it. I was probably driving at the time, or grading papers, which can have the same sense-deadening effect. Here is the USGS … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, mendocino, pacific, plate tectonics, San Andreas, strike-slip, Transform
Earthquake Report: Laytonville (northern CA)!
This morning there was another earthquake in northern CA between the San Andreas (SAF) and Maacama faults (MF). This region has been active for the past few years, with earthquakes in the M 3-4 range. Most recently, there was a … Continue reading
Posted in earthquake, education, geology, HSU, humboldt, mendocino, mendocino, pacific, plate tectonics, San Andreas, strike-slip, Transform
Earthquake Report: Laytonville, CA
Last night we had an earthquake between the Maacama faults and the San Andreas fault. This region has experienced several earthquakes recently, which makes me think that there may be an unmapped fault there (there is no hydrothermal or oil … Continue reading
Posted in earthquake, education, geology, HSU, mendocino, pacific, plate tectonics, San Andreas, strike-slip, Transform
Earthquake Report: Mendocino fault!
Yesterday there was an earthquake along the eastern extension of the Mendocino fault system. This magnitude M = 4.1 earthquake (here is the USGS website for this earthquake) is a small magnitude, but it was widely felt. I was in … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, mendocino, mendocino, pacific, plate tectonics, strike-slip