This earthquake was the second earthquake in the state of CA to lead to major changes in how people in the state handled earthquake hazards and risk and today is the 47th anniversary of this earthquake. The first important earthquake…
Earthquake Report: Gulf of Alaska UPDATE #1
Well. What a firestorm of social media discusions about this earthquake. It seems that, like how we learn so much when earthquakes like this happen, the amount of interacting in public on social media has been growing earthquake by earthquake.…
Earthquake Report: Peru Update #1
Well, I missed looking further into a key update paper and used figures from an older paper on my interpretive poster yesterday. Thanks to Stéphane Baize for pointing this out! Turns out, after their new analyses, the M 7.1 earthquake…
Earthquake Report: 2017 Cascadia Summary
Here I summarize the seismicity for Cascadia in 2017. I limit this summary to earthquakes with magnitude greater than or equal to M 2.5. I prepared reports for 6 of the 7 earthquakes presented (using moment tensors) on the main…
Earthquake Report: 2017 Summary
Here I summarize Earth’s significant seismicity for 2017. I limit this summary to earthquakes with magnitude greater than or equal to M 6.5. There were only 6 earthquakes greater than or equal to M 7.0 in 2017 (compared to 17…
GSA Yakima FTB Field Drip: Day 1
GSA 2017 Yakima FTB Field Trip Photo Galleries GSA 2017 Yakima Fold & Thrust Belt Day 1 GSA 2017 Yakima Fold & Thrust Belt Day 2 GSA 2017 Yakima Fold & Thrust Belt Day 3
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…
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…
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…
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…