The other evening (my time) I and many others noticed a series of earthquakes in the Banda Sea region. As is typical, people want as much information about these earthquakes as possible as soon as possible. There were two quakes…
Earthquake Report: M 6.9 Papua New Guinea
Early this morning my time, there were several earthquakes in and offshore of Papua New Guinea. The two main earthquakes are magnitude M 6.7 and 6.9. 2023.10.07 M 6.7: https://earthquake.usgs.gov/earthquakes/eventpage/us6000ldqd/executive 2023.10.07 M 6.9: https://earthquake.usgs.gov/earthquakes/eventpage/us6000ldqf/executive There are several different interpretations for…
Earthquake Report: M 6.8 Morocco
This evening (my time) there was an earthquake in Morocco. Magnitude 6.8, rather shallow, reverse or thrust (compressional) mechanism. https://earthquake.usgs.gov/earthquakes/eventpage/us7000kufc/executive This M 6.8 earthquake happened in the Atlas Mountains, a compressional system with south dipping reverse faults on the north…
Earthquake Report: Kantō, Japan
Today marks 100 years since the 1923 Great Kantō Earthquake. https://earthquake.usgs.gov/earthquakes/eventpage/iscgem911526/executive I am putting together the basics and will update over the next few months. This earthquake generated strong ground shaking, triggered landslides, induced liquefaction, generated tsunami, and (sadly) caused…
Earthquake Report: M 7.1 Indonesia
Yesterday on my way home from a Phil & Graham Lesh show, I got a tsunami notification alert from the National Tsunami Warning Center. There was a magnitude M 6.9 earthquake offshore of Indonesia and there was no tsunami threat…
Earthquake Report: M 7.7 Loyalty Islands
I am catching up with this today as I have been busy with other things. I am still behind on those things, but wanted to get this put together since I am currently working on a project that includes tsunami…
Earthquake Report: M 5.5 Lake Almanor
As I was socializing with my coworkers at our weekly social hour, my colleagues noted that they were getting an Earthquake Early Warning. Soon after they reported feeling the ground shake. After refreshing the USGS earthquakes map webpage a few…
Earthquake Report: M 7.1 Sumatra, Indonesia
As I completed the Earthquake Report for yesterday’s M 7.1 earthquake along the Kermadec Trench, I tweeted the report and interpretive poster to notice a colleague had tweeted about a magnitude M 7.1 earthquake about an hour earlier. So, I…
Earthquake Report: M 7.1 Kermadec
I am currently taking a break following an excellent Seismological Society of America Meeting in San Juan Puerto Rico. I presented a couple posters and one talk on the results from our USGS Powell Center meeting where we developed a…
Earthquake Report: M 7.0 Papua New Guinea
This morning (my time) I received a notification from the National Tsunami Warning Center, the organization responsible for generating notifications for my locality (California). There was a magnitude M 7.0 earthquake in Papua New Guinea. https://earthquake.usgs.gov/earthquakes/eventpage/at00rsi26z/executive This earthquake was almost…