-
Archives
- 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
Category Archives: pacific
Earthquake Report: New Ireland
This region of Earth is one of the most seismically active in the past decade plus. This morning, as I was preparing for work, I got an email notifying me of an earthquake with a magnitude M = 7.5 located … Continue reading
Posted in earthquake, Extension, geology, landslides, pacific, plate tectonics, strike-slip, subduction, Transform, tsunami
Earthquake Report: Papua New Guinea
Earlier today, there was an intermediate depth beneath eastern Papua New Guinea (PNG). With a magnitude M = 7.2, this is one of the largest earthquake so far in 2019. Here is the USGS website for this earthquake. Today’s earthquake … Continue reading
Posted in collision, earthquake, education, geology, pacific, plate tectonics, subduction
18 April 1906 San Francisco Earthquake
Today is the anniversary of the 18 April 1906 San Francisco Earthquake. There are few direct observations (e.g. from seismometers or other instruments) from this earthquake, so our knowledge of how strong the ground shook during the earthquake are limited … Continue reading
Posted in earthquake, education, geology, los angeles, pacific, plate tectonics, San Andreas, strike-slip, Transform
Earthquake Report: central Aleutians
A couple days ago, in my inbox, there was an email from the Pacific Tsunami Warning Center about an earthquake along the Aleutian Islands, near Rat Island, Alaska. However, this earthquake was not along the megathrust subduction zone fault there … Continue reading
Posted in alaska, earthquake, pacific, plate tectonics, strike-slip, subduction
Earthquake Report: Peru
On 01 March 2019 there was an intermediate depth earthquake near the border of Peru and Bolivia. In the past century, this is the first earthquake in this area at this depth. There are some historic quakes to the east, … Continue reading
Posted in earthquake, education, pacific, plate tectonics, subduction
Earthquake Report: Guatemala and Mexico
This morning (my time) there was a moderately deep earthquake along the coast of southern Mexico and northern Guatemala. Here is my Temblor article about this M=6.6 earthquake and how it might relate to the 2017 M=8.2 quake. Offshore of … Continue reading
Posted in caribbean, earthquake, education, Extension, geology, mexico, pacific, plate tectonics, subduction
Earthquake Report: Chile
There was a very interesting earthquake in central coastal Chile yesterday. I spent some time putting together a Temblor article about it. I also took the opportunity to create an interpretive poster in portrait format to help with people using … Continue reading
Posted in earthquake, geology, pacific, plate tectonics, subduction
Earthquake Report: 2018 Summary
Here I summarize Earth’s significant seismicity for 2018. I limit this summary to earthquakes with magnitude greater than or equal to M 6.5. I am sure that there is a possibility that your favorite earthquake is not included in this … Continue reading
Posted in africa, alaska, arctic, asia, atlantic, caribbean, cascadia, collision, earthquake, education, geology, Indonesia, landslides, mediterranean, mexico, pacific, plate tectonics, subduction, Transform, tsunami, volcanoes
Earthquake Report: Philippines
Earlier there was an earthquake in the Philippines. This magnitude M = 7.0 earthquake is related to the subduction zone that forms the Philippine trench (where the Philippine Sea plate subducts beneath the Sunda plate). Here is the USGS website … Continue reading
Posted in earthquake, pacific, plate tectonics, subduction
Earthquake Report: Bering Kresla / Pacific plate
We just had a large earthquake in the region of the Bering Kresla fracture zone, a strike-slip fault system that coincides with the westernmost portion of the Aleutian trench (which is a subduction zone further to the east). At first, … Continue reading
Posted in alaska, asia, earthquake, education, Extension, geology, pacific, plate tectonics, strike-slip, subduction, Transform, tsunami