Category Archives: gorda

2018/08/22
4:13 PM
by: Jay Patton

Earthquake Report: Blanco fracture zone

As I was getting ready for school today, I noticed the M 6.2 notification from the USGS Earthquake Notification Service. People can sign up for the USGS ENS so that they can get emails when the USGS broadcasts this information. … Continue reading →

Posted in cascadia, College Redwoods, earthquake, education, geology, gorda, pacific, plate tectonics, strike-slip

2018/07/24
9:42 AM
by: Jay Patton

#Earthquake Report: Gorda plate

Over the past night and morning, there was a sequence of earthquakes within the Gorda plate due west of Crescent City. Some people even felt these earthquakes, culminating (so far) with a M 5.6. There was a Gorda plate earthquake … Continue reading →

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

2018/03/23
11:52 AM
by: Jay Patton

Earthquake Report: Gorda plate!

I was at a workshop to develop a unified strategy for research and monitoring in the Klamath River estuary (led by the Yurok Tribe, Andreas Krauss) yesterday and missed feeling the first of two M 4.6-4.7 earthquakes. I was presenting … Continue reading →

Posted in cascadia, earthquake, education, geology, gorda, humboldt, plate tectonics, strike-slip

2017/09/22
9:32 PM
by: Jay Patton

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

2017/07/28
4:44 PM
by: Jay Patton

Earthquake Report: Gorda plate

We just had an earthquake in the Gorda plate. The USGS magnitude is 5.1. This earthquake happened a few kilometers southwest of the 2014 M 6.8 earthquake. Based upon the orientation of the faults in the region, today’s earthquake may … Continue reading →

Posted in cascadia, earthquake, geology, gorda, strike-slip

2017/06/11
12:40 PM
by: Jay Patton

Earthquake Report: Trinidad, California

Early this morning, I was awakened by a mild jolt. I thought, well, seems like a M 3+- nearby. I did not get out of bed. The main shaking lasted a couple of seconds, though it seemed that there was … Continue reading →

Posted in cascadia, earthquake, geology, gorda, pacific, plate tectonics, San Andreas, strike-slip, subduction

2017/01/26
10:10 AM
by: Jay Patton

Earthquake Report: 1700 Cascadia subduction zone 317 year commemoration

Today (possibly tonight at about 9 PM) is the birthday of the last known Cascadia subduction zone (CSZ) earthquake. There is some evidence that there have been more recent CSZ earthquakes (e.g. late 19th century in southern OR / northern … Continue reading →

Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, oregon, pacific, plate tectonics, San Andreas, subduction, Transform, tsunami, washington

2017/01/01
9:52 AM
by: Jay Patton

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

2016/12/08
8:37 AM
by: Jay Patton

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

2016/12/05
3:18 PM
by: Jay Patton

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