There was just a M 7.2 earthquake between New Caledonia and Fiji. There is a strike slip plate boundary fault in this region that connects the New Hebrides Trench with Fiji. Here is the USGS website for this earthquake. Below…
Earthquake Report: Bartlett Springs fault system, Lake Pillsbury
We just had a good sized earthquake adjacent to the mapped surface trace of the Bartlett Springs fault, southeast of Lake Pillsbury. Here is the USGS website for the M 5.1 earthquake. Here is my interpretive map that shows the…
Earthquake Report: East Pacific Rise and Middle America Trench
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: Explorer plate!
We just had an earthquake along a fracture zone within the Explorer plate. The Explorer plate is the northernmost subducting plate in the Cascadia subduction zone system. I post material about the CSZ here and here. Below is my earthquake…
Earthquake Report: Sumatra!
We just had a M = 7.8 earthquake southwest of the Island of Sumatra, a volcanic arc formed from the subduction of the India-Australia plate beneath the Sunda plate (part of Eurasia). Here is the USGS website for this earthquake.…
Earthquake Report: Antarctic plate!
We just had an interesting mid-plate earthquake (not along a plate boundary). Hat Tip to Jascha Polet, who pointed out this is in the region of the 1998 M 8.1 earthquake, one of the largest strike-slip and mid-plate earthquakes ever…
Earthquake Report: Macquarie – New Zealand
There was an earthquake along the plate boundary between the Australia plate to the west and the Pacific plate to the east, just south of New Zealand. Here is the USGS website for this M 6.2 earthquake. Yesterday on 2015/02/14…
Earthquake Report: New Zealand!
Early on Valentines, those in New Zealand got a valentine from mother Earth. Here is the USGS website for this M 5.8 earthquake, which was felt broadly across the region. This earthquake, and an M 4.1 aftershock, occurred in the…
Earthquake Report: Gorda!
There was just a pair of earthquakes near the Gorda rise. There was first an earthquake of magnitude M = 5.0, followed by a M = 4.9. The 5.0 appears to be within the GP, but the 4.9 seems to…
Earthquake Report: Mediterranean!
We just had a M 6.1 earthquake and a few aftershocks (M 4-5) in the western Mediterranean, Here is the USGS website for this earthquake. Here is a map showing the 5 largest earthquakes as circles. There is a legend…