Ubehebe Craters volcan

explosion craters (maars) 752 m / 2,467 ft

Condition actuelle: normal / en sommeil (1 sur 5)

Cratères Ubehebe sont un groupe de maars (cratères d'explosion) formé à la marge occidentale de la montagne de Tin, en Californie.

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Style éruptif tipique: Explosive
Eruptions du volcan Ubehebe Craters: 4050 BC (?)

Latest nearby earthquakes

HeureMag. / ProfondeurDistance/Lieu
mercredi, 15. septembre 2021 12:30 GMT (1 séisme)
15 sept. 2021 05:30 (GMT -7) (15. sept. 2021 12:30 GMT)
27 km (17 mi)
51 Km SSW of Goldfield, Nevada
dimanche, 12. septembre 2021 12:46 GMT (1 séisme)
12 sept. 2021 05:46 (GMT -7) (12. sept. 2021 12:46 GMT)

8.7 km
33 km (21 mi)
51 Km S of Silver Peak, Nevada
samedi, 11. septembre 2021 22:30 GMT (3 séismes)
11 sept. 2021 15:30 (GMT -7) (11. sept. 2021 22:30 GMT)

3.1 km
20 km (12 mi)
58 Km SSW of Goldfield, Nevada
11 sept. 2021 15:24 (GMT -7) (11. sept. 2021 22:24 GMT)

9.9 km
19 km (12 mi)
59 Km SSW of Goldfield, Nevada
11 sept. 2021 02:47 (GMT -7) (11. sept. 2021 09:47 GMT)

3 km
45 km (28 mi)
37 Km ENE of Big Pine, California


The Ubehebe Craters consist of an isolated group of overlapping maars formed during eruptions of alkali basalt along a fault cutting fanglomerate deposits on the flanks of Tin Mountain in Death Valley National Park. Ubehebe Crater is a 0.8-km-wide, 235-m-deep maar surrounded by a tuff ring. Little Hebe Crater, the second youngest vent, is located immediately south of Ubehebe Crater and is a small tuff cone with a 100-m-wide crater overlain by pyroclastic-surge deposits. At least a dozen craters are located within an area of 3 sq km, and bedded pyroclastic-surge deposits cover an area of 15 sq km. Early scoria cone formation was followed by hydrovolcanic explosions that formed two clusters of explosion craters and tuff rings. The age of volcanism at Ubehebe is not dated precisely, but the lack of erosional modification of pyroclastic-surge deposits suggests that the youngest activity, from the largest crater, Ubehebe Crater, is Holocene in age. Relationships between Ubehebe tephra and approximately dated archeological artifacts suggests an age of about 6000 years.
from: GVP Ubehebe Craters information

See also: Sentinel hub | Landsat 8
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