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Category Archives: collision
Earthquake Report: 2018 Summary
Here I summarize Earth’s significant seismicity for 2018. I limit this summary to earthquakes with magnitude greater than or equal to M 6.5. I am sure that there is a possibility that your favorite earthquake is not included in this … Continue reading
Posted in africa, alaska, arctic, asia, atlantic, caribbean, cascadia, collision, earthquake, education, geology, Indonesia, landslides, mediterranean, mexico, pacific, plate tectonics, subduction, Transform, tsunami, volcanoes
Earthquake Report: Iran
This morning (my time) there was a possibly shallow earthquake in western Iran with a magnitude of M = 6.3. This earthquake occurred in the aftershock zone of the 2017.11.12 M 7.3 earthquake. Here is my report for the M … Continue reading
Posted in asia, College Redwoods, collision, earthquake, education, europe, geology, plate tectonics, strike-slip
Earthquake Report: Hokkaido, Japan
Following the largest typhoon to strike Japan in a very long time, there was an earthquake on the island of Hokkaido, Japan today. There is lots on social media, including some spectacular views of disastrous and deadly landslides triggered by … Continue reading
Posted in asia, College Redwoods, collision, earthquake, education, geology, pacific, plate tectonics, subduction
Earthquake Report: Lombok, Indonesia: Update #1
Yesterday morning, as I was recovering from working on stage crew for the 34th Reggae on the River (fundraiser for the non profit, the Mateel Community Center), I noticed on social media that there was an M 6.9 earthquake in … Continue reading
Posted in College Redwoods, collision, earthquake, education, geology, Indonesia, pacific, plate tectonics, subduction
Earthquake Report: Lombok, Indonesia
Earlier today there was a shallow M 6.4 earthquake with an epicenter on the island of Lombok, Indonesia. With a hypocentral depth of about 7.5 km, this size of an earthquake can be quite damaging. The USGS PAGER estimate of … Continue reading
Posted in australia, collision, earthquake, education, geology, Indian Ocean, Indonesia, pacific, plate tectonics, subduction
Earthquake Report: Channel Islands Update #1
Well well. There was lots of interest in this M 5.3 earthquake offshore of Ventura/Los Angeles, justifiably so. Southern California is earthquake country. Here is an update. There was lots of information that I was trying to incorporate and I … Continue reading
Posted in collision, earthquake, education, geology, los angeles, pacific, plate tectonics, San Andreas, strike-slip
Earthquake Report: Papua New Guinea: Update #1
The aftershocks are still coming in! We can use these aftershocks to define where the fault may have slipped during this M 7.5 earthquake. As I mentioned yesterday in the original report, it turns out the fault dimension matches pretty … Continue reading
Posted in collision, earthquake, education, geology, pacific, plate tectonics
Earthquake Report: Papua New Guinea
This morning (local time in California) there was an earthquake in Papua New Guinea with, unfortunately, a high likelihood of having a good number of casualties. I was working on a project, so could not immediately begin work on this … Continue reading
Posted in collision, earthquake, education, geology, Indonesia, pacific, plate tectonics
Earthquake Report: 1971 Sylmar, CA
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 … Continue reading
Posted in collision, earthquake, education, geology, los angeles, plate tectonics, San Andreas
Earthquake Report: Burma!
There was an earthquake in Burma today! The epicenter plotted very close to the Sagaing fault (SF), a major dextral (right-lateral) strike-slip fault system, part of the plate boundary between the India and Eurasia plates. This fault system accommodates much … Continue reading
Posted in asia, collision, earthquake, education, geology, Indian Ocean, plate tectonics, strike-slip