Recent USGS Significant Earthquakes- M 7.1 - 1km ESE of Ayutla, Mexico 2017/09/22
- M 3.8 - 12km ENE of Albion, Illinois 2017/09/22
- M 3.6 - 5km NW of Westwood, CA 2017/09/22
- M 8.1 - 87km SW of Pijijiapan, Mexico 2017/09/22
- M 6.1 - 281km ESE of Kamaishi, Japan 2017/09/21
- M 3.3 - 3km NNE of East Foothills, California 2017/09/21
- M 6.4 - 85km NNW of Isangel, Vanuatu 2017/09/21
- M 5.3 - 15km E of Soda Springs, Idaho 2017/09/20
- M 6.3 - 109km NE of Lorengau, Papua New Guinea 2017/09/20
- M 4.3 - 12km SSE of Medford, Oklahoma 2017/09/16
- Paleoseismicity
- Date change: Technical Workshop on Internet Macroseismology in Ljubljana, Slovenia, now from 14-15 November, 2017
- 5th International Colloquium on Historical Earthquakes, Paleoseismology, Neotectonics and Seismic Hazard, 11-13 October, 2017, Hannover, Germany
- Papers on harbours & archaeoseismology in the Med
- Trembling Earth
- Goldfinger
- Landslide Blog
- American Geophysical Union
- Cascadia GeoSciences
- 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
Monthly Archives: October 2013
M 7.1 offshore Honshu Japan
Extensional earthquake in Pacific plate “up-dip” of the 11 March 2011 Tohoku-Oki earthquake. Here is the USGS page. Here is the moment tensor: Here is a map of the epicenter and Japan: Here is a map of the epicenter and … Continue reading
Posted in College Redwoods, earthquake, education, geology, plate tectonics, subduction, tsunami
Hookton Slough Coring
Tom Leroy and I went to my old coring site 01-BR-05 to make sure it was usable as a field trip stop for my class. We will be going here this coming Wednesday. Thanks Tom for helping me out. I … Continue reading
Posted in cascadia, College Redwoods, earthquake, education, geology, humboldt, plate tectonics, tsunami
M 6.4 Gulf California
Strike Slip in the Gulf. These transform faults connect the Cascadia subduction zone (CSZ) with the Middle America trench (MAT). Transform faults are strike skip fault systems that connect spreading mid oceanic spreading ridges. The northern end of this transform … Continue reading
Posted in College Redwoods, earthquake, education, geology, plate tectonics
Alaska Earthquakes
The 1964 Great Alaska Earthquake occurred on Good Friday, March 27th. It and rocked the state with strong ground shaking for 4.5 minutes. At magnitude 9.2, it was the second largest quake ever recorded by seismometers. This animation shows the … Continue reading
Posted in College Redwoods, earthquake, education, geology, plate tectonics, subduction, tsunami
M 7.1 Panguna, Papua New Guinea
Here is a deep one (currently) and a big one. There may be a local tsunami, but there are no focal mechanisms yet. Ill add those when they become available. Here is a screenshot from the
Posted in cascadia, College Redwoods, earthquake, education, geology, plate tectonics, subduction, tsunami
Mw 7.1 Phillipines 2013.10.15
Fairly big earthquake. Sounds like it has caused some damage. Farly big earthquake. Sounds like it has caused some damage. Looks like a thrust or reverse earthquake, USGS poses the fault is in the Sunda crust. Fairly deep earthquake, but … Continue reading
Posted in College Redwoods, earthquake, education, geology, plate tectonics, subduction
Ken Aalto Talk on the Franciscan Today 10/14/13
Today at HSU Founders Hall Room 25 at 5PM
Posted in cascadia, earthquake, education, geology, humboldt, plate tectonics, subduction
Mw 4.9 Trinidad 2013.10.11
All right! That was exciting and a little bit scary. Most all earthquakes scare me because I recognize they might get bigger or trigger a bigger one. This earthquake is most likely on a northeast striking strike-slip fault in the … Continue reading
Posted in cascadia, earthquake, education, geology, humboldt, plate tectonics, subduction