Goat Rocks volcano

stratovolcano 2494 m / 8,182 ft
Washington, Canada and USA (mainland), 46.5°N / -121.45°W
Current status: (probably) extinct (0 out of 5)

Goat Rocks is the center a deeply eroded, glaciated volcanic center of a volcanic field 30 km (18 miles) north of Mount Adams, Washnington, USA.

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Typical eruption style: Explosive
Goat Rocks volcano eruptions: 3 million - ca. 500,000 years ago

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Wed, 16 Jun 2021 (GMT) (1 earthquake)
16 Jun 2021 05:07:35 GMT
0.6

1.4 km
46 km (29 mi)
23 Km ENE of Ashford, Washington
Mon, 14 Jun 2021 (GMT) (2 earthquakes)
14 Jun 2021 23:52:11 GMT
0.7

1.1 km
46 km (29 mi)
23 Km ENE of Ashford, Washington
14 Jun 2021 14:41:56 GMT
0.7

0.7 km
45 km (28 mi)
23 Km ENE of Ashford, Washington
Sun, 13 Jun 2021 (GMT) (2 earthquakes)
13 Jun 2021 11:09:51 GMT
1.0

0.6 km
27 km (17 mi)
15 Km NNE of Packwood, Washington
13 Jun 2021 08:33:37 GMT
1.0

1.1 km
46 km (29 mi)
22 Km ENE of Ashford, Washington

Background

Volcanism began approximately 3.2 million years ago with eruption of at least 650 meters of high-silica rhyolite tuff, which is exposed on the east flank of the subsequent Goat Rocks volcano.
Goat Ricks volcano itself was probably build between ca 2.5 - 0.5 million years ago. It produced large volume lava flows, most notably the 1.0 million-year-old Tieton Andesite, which reached ca. 80 kilometers eastward. It is the longest known andesite flow on Earth.
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Source: Wood and Kienle, (eds.), 1990, Volcanoes of North America - United States and Canada: Cambridge University Press., cited on CVO website.


See also: Sentinel hub | Landsat 8
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