USGS

USGS

@USGS

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Major earthquake, Haida Gwaii, Canada. Help us by answering a few questions at Did You Feel It?

USGS streamgages are on duty as Frankenstorm approaches. Here's what they are and what they do:

In the SF Bay Area? Check out our free lecture on Exploring with , listen Live as well at 7 pm PDT

Want to be the first kid on your block to 'Get Our News?' We offer email subscriptions/RSS feeds here:

Triple Divide Peak, horn formed as 3 glaciers eroded its sides, is a rare hydrologic feature. What kind?

Not too early to think about your mailings. Check out these very cool 'earth art' images:

[VIDEO] Fascinating ecosystem-'Fog and Wind' Restoring the 'cloud forests' on Santa Rosa Island in the

Think you know something about lava, pyroclastic flows, and lahars? Check out some facts here:

Like to dig into the details behind our Earthquake Maps? Here's an explanation of the terms we use:

What's a harmonic tremor? An oceanic trench? A transform fault? The USGS has an earthquake glossary here:

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