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Category Archives: tsunami
Earthquake Report: Turkey!
I awakened to be late to attending the GSA meeting today. I had not checked the time. 7am is too early, but i understand the time differences… As i was logging into Zoom, my coworker emailed our Tsunami Unit group … Continue reading
Posted in collision, earthquake, education, Extension, geology, plate tectonics, tsunami
Earthquake Report (and Tsunami) Oaxaca, Mexico
Well, it has been a busy couple of weeks. On 18 June, here was a M 7.4 earthquake in the Pacific plate along the Kermadec trench north of New Zealand which generated a small tsunami, even though it was a … Continue reading
Posted in earthquake, education, geology, mexico, pacific, plate tectonics, subduction, tsunami
Earthquake Report: Cayman Islands
Contrary to what some people spread around on the internets (some of them major earthquake experts), strike-slip earthquakes can and do generate tsunami (just like this one). More on this below. I am in Portland, Oregon this week, attending the … Continue reading
Posted in caribbean, earthquake, education, geology, plate tectonics, strike-slip, tsunami
Earthquake Report: Puerto Rico!
Welcome to the next decade of the 21st century. We may look back a decade to review the second most deadly earthquake in the 21st century, from the magnitude M 7.0 Haiti Earthquake on 12 Jan 2010. I put together … Continue reading
Earthquake Report: 2010 Haiti M 7.0
This is the ten year commemoration of the 2010 magnitude 7 earthquake in Haiti that caused widespread damage and casualties, triggered thousands of landslides, caused tsunami, triggered a turbidity current, and caused thousands to be internally displaced. https://earthquake.usgs.gov/earthquakes/eventpage/usp000h60h/executive Here I … Continue reading
Posted in caribbean, earthquake, education, landslides, strike-slip, Transform, tsunami
Earthquake Report: Halmahera, Indonesia
Well, yesterday I was preparing some updates to the Ridgecrest Earthquake following my field work with my colleagues at the California Geological Survey (where I work) and the U.S. Geological Survey. We spent the week documenting surface ruptures associated with … Continue reading
Posted in collision, earthquake, education, geology, Indonesia, plate tectonics, tsunami
Earthquake Report: Kermadec Trench
There was just an earthquake associated with the plate boundary that forms the Kermadec Trench, a deep oceanic trench that extends north from New Zealand, towards the Fiji Islands. https://earthquake.usgs.gov/earthquakes/eventpage/us6000417i/executive A minor tsunami (~25 cm in size) has been recorded … Continue reading
Posted in earthquake, education, geology, New Zealand, pacific, plate tectonics, subduction, tsunami
Earthquake Report: New Ireland
This region of Earth is one of the most seismically active in the past decade plus. This morning, as I was preparing for work, I got an email notifying me of an earthquake with a magnitude M = 7.5 located … Continue reading
Posted in earthquake, Extension, geology, landslides, pacific, plate tectonics, strike-slip, subduction, Transform, tsunami
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: Bering Kresla / Pacific plate
We just had a large earthquake in the region of the Bering Kresla fracture zone, a strike-slip fault system that coincides with the westernmost portion of the Aleutian trench (which is a subduction zone further to the east). At first, … Continue reading
Posted in alaska, asia, earthquake, education, Extension, geology, pacific, plate tectonics, strike-slip, subduction, Transform, tsunami