I saw this video a few weeks back on The Landslide Blog, and it’s also been posted on GeoEngineer.org. It’s well worth the watch. It’s one of the scariest debris flow videos I’ve seen. Some hikers are crossing a channel cut naturally through old debris flow deposits, like a hiker bowling alley. Fortunately the guides hear it coming and everyone manages to get out of the channel before the latest debris flow roars through! [Source: YouTube via Dave’s Landslide Blog. Image: YouTube]
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From the USGS Newsroom:
USGS scientist Ken Hudnut fills us in on how science created the theoretical magnitude 7.8 earthquake behind the Great Southern California ShakeOut—the largest earthquake preparedness drill in U.S. history, coming Nov. 13—and what such an earthquake would do to downtown Los Angeles.
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