Salton Buttes volcano

lava domes -40 m / -131 feet
Kalifornien, Canada and USA (mainland), 33.2°N / -115.62°W
Current status: normal or dormant (1 out of 5)
Last update: 26 Jun 2013

The Salton Buttes volcanic field consist of 5 small rhyolitic lava domes built above sediments of the Colorado River delta within the Salton Sea geothermal field, located at the SE margin of the Salton Sea, California.

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Typical eruption style: Explosive
Salton Buttes volcano eruptions: about 3000 years ago

TimeMag. / DepthDistance/Location
Monday, October 25, 2021 00:14 GMT (1 earthquake)
Oct 24, 2021 5:14 pm (GMT -7) (Oct 25, 2021 00:14 GMT)

9.3 km
41 km (25 mi)
12km SW of Salton City, CA
Sunday, October 24, 2021 06:49 GMT (1 earthquake)
Oct 23, 2021 11:49 pm (GMT -7) (Oct 24, 2021 06:49 GMT)

11 km
35 km (22 mi)
22 mi northwest of El Centro, Imperial County, California, USA
Saturday, October 23, 2021 16:12 GMT (2 earthquakes)
Oct 23, 2021 9:12 am (GMT -7) (Oct 23, 2021 16:12 GMT)

7.2 km
31 km (19 mi)
15km S of Salton City, CA
Oct 23, 2021 6:22 am (GMT -7) (Oct 23, 2021 13:22 GMT)

10.8 km
34 km (21 mi)
8km S of Brawley, CA
Monday, October 18, 2021 03:58 GMT (1 earthquake)
Oct 17, 2021 8:58 pm (GMT -7) (Oct 18, 2021 03:58 GMT)

8.7 km
45 km (28 mi)
13km W of Salton City, CA


Recent dating of young zircons (which typically crystallize prior to eruption) place the date of the lava domes at 10,300 +/- 1000 years ago, consistent with early Holocene hydration rind dates from Obsidian Butte. Wave-cut benches originating from Lake Cahuilla, which existed from about 20,500 to 3000 years ago, prior to the 20th century formation of the Salton Sea due to an accidental spill-over of the Colorado River, are found on all of the domes. Older, sediment-buried Pleistocene rhyolitic lava domes have been found in geothermal drill holes. The Salton Sea geothermal field produces saline geothermal brines.
Source: GVP Salton Buttes information

See also: Sentinel hub | Landsat 8
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