Category Archives: education

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: Caroline Ridge Update #1

Well, there was an earthquake this morning (my time) that may help us select a fault plane solution. Recall that these fault plane solutions (moment tensors and focal mechanisms) have two possible fault planes. We need additional information (like fault … Continue reading

Posted in earthquake, education, geology, pacific, plate tectonics, strike-slip, subduction, Transform

Earthquake Report: Caroline Ridge

There was an earthquake sequence beginning 2017.12.08 along the northern flank of Caroline Ridge in the western Pacific Ocean, near the intersection of the Mariana and Yap trenches. The two largest earthquakes, M 6.5 and M 6.4, are both strike-slip … Continue reading

Posted in earthquake, education, geology, pacific, plate tectonics, strike-slip

Earthquake Report: Loyalty Islands Update #1

I just got back from one of the best conferences that I have ever attended, PATA Days 2017 (Paleoseismology, Active Tectonics, and Archeoseismology). This conference was held in Blenheim, New Zealand and was planned to commemorate the 300 year anniversary … Continue reading

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

Earthquake Report: Papua New Guinea!

Well. As I was preparing a job application at the library public wifi (the Airbnb I was staying at did not have wifi in my cabin, nor electricity for that matter), I prepared an interpretive poster for this earthquake. Interestingly, … Continue reading

Posted in earthquake, education, geology, pacific, plate tectonics

Earthquake Report: Tonga!

Well, I was just getting ready for bed and saw the PTWC email notification. It took a couple minutes before the USGS email notification came through, but the earthquake was already listed on the website. By the time the ENS … Continue reading

Posted in earthquake, education, geology, pacific, plate tectonics

Earthquake Report: Chiapas Earthquake Update #2

Well, we had a really interesting earthquake today. There was a M 6.1 earthquake in the North America plate (NAP) to the north of the sequence offshore of Chiapas, with the M 8.1 mainshock. Here is the USGS website for … Continue reading

Posted in earthquake, education, Extension, geology, mexico, pacific, plate tectonics

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: Puebla, Mexico Update #1

Well, the responses of people who are in the midst of a deadly disaster have been inspiring, bringing tears to my eyes often. Watching people searching and helping find survivors. This deadly earthquake brings pause to all who are paying … Continue reading

Posted in earthquake, education, Extension, geology, mexico, plate tectonics, subduction

Earthquake Report: Chiapas, Mexico Update #1

Well, after about 4 hours sleep, my business partner woke me up to talk about the fire alarms we were installing in a rental (#safetyfirst). Now that I have had some breakfast, I here provide some additional observations that people … Continue reading

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