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The Center, Body, and Range of Technically Defensible Interpretations. The CBD of TDI.

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Month: April 2017

Earthquake Report: Cotobato Trench, Philippines

Posted on: April 30, 2017 Last updated on: April 28, 2023 Written by: Jay Patton Comments: 0
Earlier in April (2017) there was some activity in 4 different regions of the Philippines. Based upon the low magnitudes and large epicentral distances, these earthquakes were most unlikely to be directly related to each other. A couple days ago,…
Continue reading “Earthquake Report: Cotobato Trench, Philippines”…

Earthquake Report: Chile Update #2

Posted on: April 28, 2017 Last updated on: April 28, 2017 Written by: Jay Patton Comments: 2
Today the swarm has reminded us to stay vigilant. This region of the Chile subduction zone is pretty active and adjacent to the most active part of the Chile subduction zone. Today there was a series of earthquakes with a…
Continue reading “Earthquake Report: Chile Update #2”…

Earthquake Report: 1992.04.25 M 7.2 Petrolia

Posted on: April 24, 2017 Last updated on: May 8, 2025 Written by: Jay Patton Comments: 0
The 25 April 1992 M 7.1 earthquake was a wake up call for many, like all large magnitude earthquakes are. I have some updated posters as of April 2021 (see below). Here is my personal story. I was driving my…
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Earthquake Report: Chile Update #1

Posted on: April 24, 2017 Last updated on: April 24, 2017 Written by: Jay Patton Comments: 0
Well, I thought more to compare this ongoing earthquake sequence with the 1985 M 8.0 earthquake. This, in context with the 2010 and 2015 earthquakes. My initial report based upon the M ~4-5.9 swarm is here and my report on…
Continue reading “Earthquake Report: Chile Update #1”…

Earthquake Report: Chile!

Posted on: April 24, 2017 Last updated on: April 24, 2023 Written by: Jay Patton Comments: 0
Well, we had another earthquake in the region of a recent (yesterday and the day before) swarm offshore of Valparaiso, Chile (almost due west of Santiago, one of the largest cities in Chile). My previous report on the M 4-5…
Continue reading “Earthquake Report: Chile!”…

Earthquake Report: Chile!

Posted on: April 23, 2017 Last updated on: April 24, 2023 Written by: Jay Patton Comments: 0
There have been a number of earthquakes along the subduction zone offshore of Chile. These have happened near the boundary of two Great Earthquakes from 2010 and 2015. This region may be a segment boundary along the subduction zone, albeit…
Continue reading “Earthquake Report: Chile!”…

Earthquake Report: Philippines

Posted on: April 12, 2017 Last updated on: April 8, 2023 Written by: Jay Patton Comments: 2
I put these together earlier this week for my classes and finally have a moment to write about these earthquakes. The Philippines region has been quite active lately, as it frequently is. I show below a series of earthquakes from…
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Earthquake Report: Botswana!

Posted on: April 4, 2017 Last updated on: April 4, 2017 Written by: Jay Patton Comments: 0
This is a very interesting M 6.5 earthquake, which was preceded by a probably unrelated M 5.2 earthquake. Last September, there was an M 5.7 earthquake in Tanzania along the western shores of Lake Victoria. Here is my report for…
Continue reading “Earthquake Report: Botswana!”…
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