We just had a large earthquake along the coast of Ecuador. Here is the USGS website for the M 7.8 earthquake. Below is my Earthquake Report Poster. I plot the USGS moment tensor for this earthquake, along with the Modified…
Earthquake Report: Vanuatu Update #1
We have had several aftershocks and triggered earthquakes in the region. I provide a brief update below. Here were my first posts about this earthquake series: 2016.04.03 2016.04.06 Here are the USGS websites for the largest earthquakes plotted below. 2016.04.03…
Earthquake Report: Cuba, Jamaica, Hispaniola, Puerto Rico (1900-2016)!
Following yesterdays earthquakes in Cuba, I put together an earthquake summary poster for this region for the period from 1900 through Jan 17, 2016. Here is the USGS query that I used to get the data. Here is my Earthquake…
Earthquake Report: Cuba!
We just had three earthquakes on the southern boundary of Cuba. Here are the USGS websites for these earthquakes: 2016.01.17 M 4.6 2016.01.17 M 5.1 2016.01.17 M 5.1 These do not have USGS moment tensors, but I suspect that they…
Earthquake near Petrolia!
There was a M = 3.0 earthquake near Petrolia, CA today. Here is the USGS website for this earthquake. On Oct. 28, 2015, there was a small earthquake near Bayside, CA. Here is a map where I plot the focal…
Afghanistan Earthquake: Update #1
There have been several data updates following the earthquake yesterday. I presented my first summary about this M = 7.5 earthquake here. There are a number of sources of information regarding the casualties from this devastating earthquake posted on this…
2015.09.16 Chile Update #2
Here I post some updates about the M 8.3 Great Earthquake in Chile and the associated tsunami observations and models. I have three earlier posts about this earthquake and tsunami event. First Post Update #1 Tsunami Observations Here is an…
Animation of Seismicity along the Alaska/Aleutian Arc
This took me just a few minutes to put together. I searched the USGS earthquakes website with a rectangular search area for earthquakes greater than M = 6.0, downloaded the google Earth kml file with epicenters colored by depth (and…
M 8.2 earthquake in northern Chile
Alright. Lets hope not many people are harmed as a result of this earthquake and likely large tsunami. We all know what to do. Drop, duck, cover, and hold on. Run to high ground. Stay there. Check back here for…
Core Site 64, Core RR0705-108PC, Station Sheet
1 + 2 = 3 (1) Tonight I was reviewing some core station sheets for some notes regarding over-penetration of the sea floor. This core station sheet was filled out with pertinent information about the core deploymnent. These are basically…