plate tectonics - Jay Patton online

Earthquake Report: Mid Atlantic Ridge

There was a M = 6.8 earthquake along a transform fault connecting segments of the Mid Atlantic Ridge recently. (now an M 6.7) https://earthquake.usgs.gov/earthquakes/eventpage/us1000hpim/executive The Mid Atlantic Ridge is an extensional plate boundary called an oceanic spreading ridge. Oceanic crust…

Earthquake Report: Explorer plate

Last night I had completed preparing for class the next day. I was about to head to bed. I got an email from the Pacific Tsunami Warning Center notifying me that there was no risk of a tsunami due to…

Earthquake/Landslide/Tsunami Report: Donggala Earthquake, Central Sulawesi: UPDATE #1

We continue to learn more each day as people collect additional information. Here is my initial Earthquake Report for this M 7.5 Donggala Earthquake. In short, there was an earthquake with magnitude M = 7.5 on 2018.09.28. Minutes after the…

Earthquake Report: New Britain!

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.…

Category: plate tectonics (page 6)