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You are browsing the archive for earthquake Archives - Mountain Beltway.

8 August 2023

Three new videos from Montana

I spent several enjoyable weeks in Montana last month, and shot some new video content there for my YouTube channel. Here are three videos that may be of interest to readers of this blog:

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21 May 2023

Earthquake Storms, by John Dvorak

I’ve come to the end of my run of reading John Dvorak’s geology books. This is the fourth one for me to consume, but it was apparently the first he wrote. The topic is earthquakes, specifically those that occur along the San Andreas Fault in California. I’ve read a fair bit, it feels like, about the San Andreas: Carl-Henry Geschwind’s history, Susan Hough’s books, and just yesterday I started Andrew …

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20 January 2020

Book report

A quartet of brief book reviews from some of Callan’s recent reading.

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9 February 2018

Friday fold: Taiwanese metasediments

This Friday, in search of a Friday fold, we head to Taiwan, not far from the epicenter of this week’s destructive earthquake(s).

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8 September 2017

Big earthquake in southwestern Mexico, M8.1

The M8.1 southwestern Mexico earthquake is discussed and placed in context.

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27 April 2016

An opportunity to help in Canoa

As I mentioned last week, I have family in one of the coastal towns in Ecuador that was hardest hit by the magnitude 7.8 earthquake the previous weekend. Don and Wendy have asked me to share this opportunity to help: The James Dean Byrd Foundation runs a school in Canoa, La Escuela Bilingue los Algarrobos, whose campus is currently being used as a staging ground for the military’s assistance in …

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21 April 2016

Firsthand reports from Canoa, Ecuador after the quake

Callan’s mother-in-law lives in one of the most strongly-shaken regions of Ecuador. Here, she and her boyfriend recount the experience of the earthquake Saturday night and its aftermath. Includes 8 photos from the scene.

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12 February 2012

Fractures on a seismic sign

On the campus of the University of Texas at El Paso, there is a sign for the Kidd Seismic Observatory. The sign has seen some brittle deformation of its reflective letters. I infer this due be due to differential shrinkage of the letters (relative to the sign they are attached to) in the intense Texas heat. I like seeing deformation in materials other than rocks. This is a neat example …

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29 September 2011

Salt dough physiographic province map of Virginia

By local prodigy Hannah Holland, elementary school student: Click through to make it bigger and see some details. Nice work, Hannah! Very impressive, and thanks for sharing!

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13 September 2011

More earthquake damage

These are all in the northern stairwell between the 2nd and 3rd floors of the Godwin Building here on the Annandale campus of NOVA. The cement blocks have clearly separated along their mortared edges, and the disruption of the paint layer in a series of en echelon fractures reveals that deeper structural issue. I find this a bit scary. I have no information about what, if anything, is being done …

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