Just a few hours ago there was a subduction zone megathrust earthquake along the New Britain Trench in the western equatorial Pacific Ocean. In this region of the world, the Solomon Sea plate and the South Bismarck plate converge to…
Earthquake Report: Sulawesi (Celebes), Indonesia
Well, around 3 AM my time (northeastern Pacific, northern CA) there was a sequence of earthquakes including a mainshock with a magnitude M = 7.5. This earthquake happened in a highly populated region of Indonesia. This area of Indonesia is…
Earthquake Report: Kermadec
The earthquakes continue, every day. Today, there was a large earthquake associated with the subduction zone that forms the Kermadec Trench. This earthquake was quite deep, so was not expected to generate a significant tsunami (if one at all). There…
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…
Earthquake Report: Loyalty Islands
The earthquakes continue, every day. Today, there was a large earthquake along the southern New Hebrides Trench. Today’s M 7.1 earthquake happened along one of the more active subduction zones in the world. The hypocentral (3-D location) depth of ~26…
Earthquake Report: Deep in Peru
Busy week! Still Got to this intermittently today and it is fine that it took me a while to get this report together. One might ask “why?”. Well, this earthquake, while having a large magnitude, was quite deep. Because earthquake…
Earthquake Report: Blanco fracture zone
As I was getting ready for school today, I noticed the M 6.2 notification from the USGS Earthquake Notification Service. People can sign up for the USGS ENS so that they can get emails when the USGS broadcasts this information.…
Earthquake Report: Venezuela
Busy week! We just had a M 7.3 earthquake in northern Venezuela. Sadly, this large earthquake has the potential to be quite damaging to people and their belongings (buildings, infrastructure). https://earthquake.usgs.gov/earthquakes/eventpage/us1000gez7/executive The northeastern part of Venezuela lies a large strike-slip…
Earthquake Report: Alaska Update
Thanks to Jamie Gurney, I took a looksie at the Kaktovik earthquake sequence again. He had interpreted this sequence to possibly represent an extensional step over in a right-lateral (dextral) strike-slip tectonic fault system. I do not include much background…
Earthquake Report: Lombok, Indonesia
Well well. After a pretty seismically quiet first half of 2018, we have been catching up rapidly. The ultra deep Great Earthquake in Fiji. And now the Lombok sequence continues. https://earthquake.usgs.gov/earthquakes/eventpage/us1000gda5/executive The inhabitants and tourists in the Lombok, Indonesia region…