This morning there was a moderate sized earthquake below the megathrust in Chile. Here is the USGS website for this M 6.4 earthquake. Based upon the hypocentral depth, this appears to be along the megathrust fault (an “interface” event). However,…
Earthquake Report: Tyrrhenian Sea!
There was just a very deep earthquake along a small subduction zone in the Mediterranean Sea. This subduction zone is formed along the southern coast of Italy where the Ionian plate subducts to the north. This subduction zone is part…
Earthquake Report: Java Sea!
Last night as I was finishing work for the day, I noticed an earthquake in the Java Sea, just north of western Java. Here is the USGS website for this M 6.6 earthquake. This earthquake is extensional and plots very…
Earthquake Report: New Britain!
Last night there was a magnitude M 6.9 earthquake associated with the subduction zone that forms the New Britain Trench (where the Solomon Sea plate subducts northwards beneath the South Bismarck plate). The day before there was a M 6.4…
Earthquake Report: South Bismarck Sea
There was a moderately deep earthquake in the South Bismarck Sea last night. Here is the USGS website for this earthquake. This earthquake has an exentional earthquake. Here, the Solomon Sea plate subducts northward beneath the South Bismarck plate to…
Earthquake Report: Gorda Plate!
Last night, while I was preparing an online exam for my students to take while I am at the Geological Society of America Annual Meeting in Denver Colorado, there were a couple earthquakes in the Gorda plate offshore of northern…
Earthquake Report: Bering-Kresla Shear Zone (Russia, west of Aleutians)
If there is an earthquake and nobody is there to feel it, did it shake? Here is the USGS website for the M 6.3 earthquake that occurred in the far western Aleutians, so far west, it is called Russia. Below…
Earthquake Report: Mendocino fault!
Well, I felt that one. The shaking lasted about 5-7 seconds in Manila, CA (where I live). Here is the USGS website for this M = 5.6 earthquake. This earthquake appears to have occurred along the Mendocino fault, a right-lateral…
Earthquake Report: New Zealand!
This was a very busy week for me, so I missed reporting on this series of earthquakes offshore the North Island of New Zealand. I did put together an interpretive Earthquake Report poster for these earthquakes for my general education…
Earthquake Report: New Britain!
We just had an earthquake in the New Britain region of the equatorial Pacific. Here is the USGS website for this M 6.7 (now M 6.8) earthquake. This is a very interesting earthquake for this region because it is very…