Todays Earthquakes Could be 1800s Quakes Aftershocks

American Geophysical Union

American Geophysical Union

13 November 2023

AGU Release No. 23-42

For Immediate Release

This press release and accompanying multimedia are available online at: https://news.agu.org/press-release/some-of-todays-earthquakes-may-be-aftershocks-from-quakes-in-the-1800s

Some of today's earthquakes may be aftershocks from quakes in the 1800s

Aftershocks follow large earthquakes — sometimes for weeks, other times for decades. But in the U.S., some areas may be experiencing shocks from centuries-old events.

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