Tumac Mountain volcano

Pyroclastic cone 1932 m / 6339 ft
Washington, United States, 46.71°N / -121.35°W
Current status: (probably) extinct (0 out of 5)

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Typical eruption style: unspecified
Tumac Mountain volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Wednesday, September 8, 2021 09:22 GMT (1 earthquake)
Sep 8, 2021 2:22 am (GMT -7) (Sep 8, 2021 09:22 GMT)

1.4 km
34 km (21 mi)
23 Km ENE of Ashford, Washington
Tuesday, September 7, 2021 19:58 GMT (1 earthquake)
Sep 7, 2021 12:58 pm (GMT -7) (Sep 7, 2021 19:58 GMT)

2.3 km
35 km (22 mi)


Tumac Mountain cinder cone north of White Pass was mapped as Holocene (Simmons et al. 1983), however tephra studies indicated that the last eruption was 20-30,000 years before present (Schasse 1987).
Source: Smithsonian / GVP volcano information

See also: Sentinel hub | Landsat 8
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