Yesterday we had an earthquake along the Clipperton fracture zone (CFZ), a transform plate boundary that offsets the northern East Pacific Rise (EPR). I was busy grading so did not get to this until today. Here are the four large…
Earthquake Report: Vanuatu!
We just had a large earthquake in the Vanuatu region, just south of a series of earthquakes from a couple weeks ago. Here is the USGS website for today’s M 7.0 earthquake. I include some figures and animations that I…
Earthquake Report: Ecuador Update #1
Here is an update to my preliminary report about the M 7.8 subduction zone earthquake in Ecuador. Here is my first report. More information about this earthquake is on that report page. Here is the USGS website for the M…
Earthquake Report: Kamchatka!
A couple weeks ago, there was an earthquake with a magnitude of M 6.4 and today there was an earthquake with a magnitude of M 5.7. I had not put together a report for the M 6.4, so this report…
Earthquake Report: Vanuatu!
We just had another M 6.9 earthquake about 40 km from another M 6.9 earthquake from a few days ago. Here is my earthquake report from that earlier earthquake. They are both about the same depth. While the depths probably…
Earthquake Report: Vanuatu!
We just had an earthquake along the New Hebrides Trench in the western Pacific. Here is the USGS webpage for this M 6.9 earthquake. Below is my interpretive earthquake report poster. I plot the epicenters for earthquakes from the past…
Earthquake Report: Japan!
Today there was an earthquake offshore of southern Japan. Here is the USGS website for the M 6.0 earthquake. It is difficult to tell if this earthquake was on the megathrust or not. Below is my interpretive map. I plot…
Earthquake Report: Nikolski!
As I was writing my page on the 1964 Great Alaska Earthquake (here), there was a M 5.7 earthquake along the Aleutian Trench east of the Amlia fracture zone. Here is the USGS web page for this earthquake. The region…
Good Friday Earthquake: 1964/03/27 in Alaska
Today we commemorate the Good Friday Earthquake, which occurred on March 27, 1964. This is the second largest earthquake ever recorded on modern seismographic instruments. I summarize some of the information that we have about this earthquake, but this is…
Earthquake Report: Atka strikes again!
Today we had another cluster of seismic activity in the Aleutians, just west of the Amlia fracture zone. This series of earthquakes occurred just west of some earthquakes from last week or so. Here is my earthquake report for those…