Category Archives: geology

Creeping fault segments are showing their age

Do faults get weaker as they get older?
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Categories: earthquakes, geology, paper reviews, tectonics

Yellowstone it was

Give yourselves a pat on the back: virtually everyone guessed correctly that my fortnight away was chiefly spent exploring Yellowstone National Park, bookended by some time in Grand Teton National Park just next door. The first photo I showed you … Continue reading

Categories: geology, outcrops, photos, volcanoes

Old tectonic scars run deep: the magnitude 5.0 earthquake in Ontario

The location of yesterday’s earthquake in Canada was controlled by tectonic processes that operated, and ceased, hundreds of millions of years ago.
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Categories: deep time, earthquakes, geohazards, geology, structures, tectonics

Accretionary Wedge #25: An Illustrated Glossary of Cool Geological Things

A smorgasboard of earth science imagery, in visual dictionary form.
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Categories: geology, photos

Lava lake tectonics

In the crater of Erte Ale, we can see processes that take tens of miliions of years on a global scale happening in just a few hours.
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Categories: geology, tectonics, volcanoes