Happy Anniversary
This one will be real short (but I promise a more detailed discussion when my currently overloaded life allows me the time). The year was 1700 on January 26th. None of us were here,...
Category: Earthquakes
Harmonic Tremors are Really Cool
Those of us who celebrate the earth and its processes are having a real good time in Iceland (late November 2023). Please don’t think me insensitive: while the situation is surely fraught with peril...
Earthquakes, Seismic Waves, and the New Madrid Fault
How far do earthquake waves travel, and what can cause different quakes to be felt at a greater or lesser distance? This is a fine question, and before we get started, feel free to...
Quicksand (a.k.a. Liquefaction)
I had a great question a little bit ago on the Ask GeoMan section of my GeoMania educational website from Elizabeth in Lake Oswego, Oregon. She’d been walking on Nye Beach on the central...
Earthquakes: Prediction and Control
As discussed in a couple earlier posts (Intro to Quakes and the Richter Scale), earthquakes are gonna continue to rattle our teeth and level our cities, and there’s not a hell of a lot...
Earthquakes and the Richter Scale
Humans have been trying to describe the strength of earthquakes for almost forever — I imagine the initial attempt began soon after the first caveman got knocked on his or her butt. It wasn’t...
A Brief Introduction to Earthquakes
Stress… it can be a big deal. We all get stress all the time — from any number of sources and in a dog’s breakfast of exotic flavors and intensities. Sometimes we bend and...
Water, water everywhere…
I’ve been a collector of good ideas for as long as I can remember. But just like an on switch cannot exist without an off, or an up without a down, for every positive...
West coast tectonics
I had an interesting question come across my GeoMania website a while back: “If Mt. St. Helens and the whole west coast is a convergent plate boundary with subduction, how come there are no...
