Recent USGS Significant Earthquakes- M 5.8 - 11km SE of Lincoln, Montana 2017/07/23
- M 6.7 - 10km SSE of Bodrum, Turkey 2017/07/22
- M 4.2 - 12km N of Stroud, Oklahoma 2017/07/21
- M 6.6 - 204km NW of Auckland Island, New Zealand 2017/07/21
- M 7.7 - 198km ESE of Nikol'skoye, Russia 2017/07/20
- M 6.4 - 98km WNW of Camana, Peru 2017/07/19
- M 6.5 - 3km NNE of Masarayao, Philippines 2017/07/16
- M 6.0 - 35km NNW of Bahia de Caraquez, Ecuador 2017/07/16
- M 6.4 - 38km SSE of Taron, Papua New Guinea 2017/07/13
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- Landslide Blog
- American Geophysical Union
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- Cascadia GeoSciences 2012/05/23
- Jay’s Research Cruise Blog
- Last Night on the R/V Tangaroa 2016/11/21
- Sunset 2016/11/19
- Earthquake Response Cores 2016/11/18
Category Archives: tsunami
Earthquake Report: 1992.04.25 M 7.1 Petrolia
The 25 April 1992 M 7.1 earthquake was a wake up call for many, like all large magnitude earthquakes are. Here is my personal story. I was driving my girlfriend’s car (Jen Guevara) with her and some housemates up to … Continue reading
Posted in cascadia, earthquake, education, geology, humboldt, mendocino, pacific, plate tectonics, San Andreas, subduction, tsunami
Good Friday Earthquake 27 March 1964
In March of 1964, plate tectonics was still a hotly debated topic at scientific meetings worldwide. Some people still do not accept this theory (some Russian geologists favor alternative hypotheses; Shevchenko et al., 2006). At the time, there was some … Continue reading
Posted in alaska, education, geology, HSU, pacific, plate tectonics, subduction, tsunami
Earthquake Report: New Britain
We just had an earthquake with a USGS magnitude of M 6.5 along the subduction zone formed by the convergence of the Solomon Sea plate on the south and the South Bismarck plate on the north. Here is the USGS … Continue reading
Posted in earthquake, education, geology, HSU, pacific, plate tectonics, subduction, tsunami
Earthquake Report: EOTD Chile M 8.8 2010.02.27
Earthquake of the Day: 2010.02.27 M 8.8 Maule, Chile. There was an earthquake with a magnitude of M 8.8 on this day in 2010. I have prepared an interpretive poster that shows the extent of ground shaking modeled for this … Continue reading
Posted in education, geology, HSU, pacific, plate tectonics, subduction, tsunami
Earthquake Report: Makran subduction zone (Pakistan)!
There was a good sized earthquake along the Makran subduction zone. This subduction zone is a convergent plate boundary where the Arabia plate subducts (goes beneath) northwards under the Eurasia plate. There has been one aftershock reported by the USGS. … Continue reading
Posted in asia, geology, Indian Ocean, plate tectonics, subduction, tsunami
Earthquake Report: 1700 Cascadia subduction zone 317 year commemoration
Today (possibly tonight at about 9 PM) is the birthday of the last known Cascadia subduction zone (CSZ) earthquake. There is some evidence that there have been more recent CSZ earthquakes (e.g. late 19th century in southern OR / northern … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, oregon, pacific, plate tectonics, San Andreas, subduction, Transform, tsunami, washington
Earthquake Report: North Fiji Basin!
We just had a large earthquake along the West Fiji Ridge, one of the spreading ridges that forms the North Fiji Basin. Here is the USGS website for this M 7.2 earthquake. This earthquake was relatively shallow and, probably since … Continue reading
Posted in earthquake, education, geology, HSU, pacific, plate tectonics, strike-slip, subduction, tsunami
Earthquake Report: 2016 Summary Cascadia
Here I summarize the seismicity for Cascadia in 2016. I limit this summary to earthquakes with magnitude greater than or equal to M 4.0. I reported on all but five of these earthquakes. I put this together a couple weeks … Continue reading
Posted in cascadia, earthquake, education, geology, gorda, HSU, humboldt, mendocino, mendocino, oregon, pacific, plate tectonics, San Andreas, strike-slip, subduction, Transform, tsunami
Earthquake Anniversary: Sumatra-Andaman 2004 M 9.2 & 2005 M 8.6
On 26 December 2004 there was an earthquake with a magnitude of M 9.2 along the Sumatra-Andaman subduction zone (SASZ). This earthquake is the third largest earthquake ever recorded by modern seismometers and ruptured nearly 2,000 km of the megathrust … Continue reading
Posted in asia, earthquake, education, geology, HSU, Indian Ocean, plate tectonics, subduction, sumatra, tsunami
Earthquake Report: Chile!
Last night we had a large earthquake in the southern region of the 1960 M 9.5 Valdivia earthquake. Below are some USGS websites for the three large earthquakes for this region that I mention in my interpretive poster. Based on … Continue reading
Posted in earthquake, education, geology, pacific, plate tectonics, subduction, tsunami