-
Archives
- April 2020
- March 2020
- January 2020
- November 2019
- October 2019
- August 2019
- July 2019
- June 2019
- May 2019
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- May 2013
- April 2013
- February 2013
- January 2013
- December 2012
- October 2012
- September 2012
- August 2012
- May 2012
- April 2012
- March 2012
- April 1970
-
Meta
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