Don't aggravate the magma!

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Rockhopper
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Joined: Fri Mar 02, 2018 9:46 am
Location: Eugene, Oregon, USA

Don't aggravate the magma!

Post by Rockhopper » Wed Mar 13, 2019 4:29 pm

A new report from the USGS (https://pubs.usgs.gov/sir/2018/5159/sir20185159.pdf, PDF) lists the volcanic field at Ubehebe as one of California's eight areas to watch for eruption hazard.

From the report:

"The craters formed during a series of explosions about 2,100 years ago that were triggered as magma rising toward the Earth’s surface flashed groundwater to steam. The explosions blasted pulverized rock and lava high into the air, with ballistics and ash blanketing an area of about 15 square miles. Recent research suggests the crater-forming blasts may have taken place over a very short period, perhaps spanning only a few days or weeks from start to finish."

"Unlike other young volcanoes in California, no visual evidence suggests magma still resides underneath Ubehebe Craters — fumaroles, hot springs, or areas of high heat flow are not evident at the surface — but the absence of magma at depth, and assessment of the likelihood of future eruptions, needs confirmation from future geophysical investigations. For now, Ubehebe Craters remains on California’s list of threatening volcanoes because of its youth and past explosivity. The USGS has only a single seismometer in the vicinity of Ubehebe Craters."

So I've only visited Ubehebe once, many years ago, but Laura and I are planning to go there in late March, and --

-- HEY! You kids! Don't throw rocks into the crater! You might aggravate the magma!

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Death Valley Dazed
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Re: Don't aggravate the magma!

Post by Death Valley Dazed » Thu Mar 14, 2019 6:20 am

Rockhopper wrote:
Wed Mar 13, 2019 4:29 pm
-- HEY! You kids! Don't throw rocks into the crater! You might aggravate the magma!
And don't take a leak or spill your canteen either, else you might aggravate the magma! :biggrin:

If she blows while you're there get some great shots to share here!
Life begins in Death Valley

D.A. Wright
Death Valley Resident
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Joined: Fri Jun 23, 2006 6:07 pm
Location: Nevada

Re: Don't aggravate the magma!

Post by D.A. Wright » Fri Mar 15, 2019 11:02 am

Might get some nice aerial views ... :D
D.A. Wright
~When You Live in Nevada, "just down the road" is anywhere in the line of sight within the curvature of the earth.

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