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: Chile!
The aftershocks from the 2015.09.16 M 8.3 Chile earthquake continue. Today was an earthquake with magnitude M = 6.3. Here is the USGS website for today’s earthquake. I presented a comprehensive review of Chile’s historic seismicity, as well as the…
Earthquake Report: Taiwan Update #1
People have been busy documenting the damage from the M 6.4 earthquake in Taiwan. Here is my initial Earthquake Report for this earthquake. Here are a couple news sources on the damage. There appears to be a few large buildings…
Earthquake Report: Taiwan!
We just had an earthquake in southern Taiwan. Here is the USGS website for this M 6.4 earthquake. In April 2015, there was a series of earthquakes in the northeast of Taiwan. Here is my earthquake report for those earthquakes.…
Earthquake Report: Kamchatka!
We just had an earthquake located along the Kamchatka Peninsula. Here is the USGS website for this M 7.2 earthquake. This earthquake was fairly deep and approximately east of a large and very deep earthquake from 2013. Here is my…
Earthquake Animation: Gorda Plate 1900-2016 M >+ 4.5
Following the earthquake pair today, I put together an animation showing the seismicity for this region between 1900 and 2016.01.30. I searched the USGS NEIC database for earthquakes of magnitude greater than or equal to M = 4.5. Here is…
Cascadia subduction zone: M 9.0 tsunami simulation video
NOAA Center for Tsunami Research just released an animation that shows a numerical simulation of what a tsunami may appear like when the next Cascadia subduction zone earthquake occurs. I present a summary about the CSZ tectonics on a 316th…
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…
Cascadia subduction zone: 316 years ago tonight!
In commemoration of the last known Cascadia subduction zone earthquake, I present a summary background material here. Since last years commemoration, there have been a few additions. I made some updates on 2018.01.26. Most notably was a pair of articles…
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…