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Goat Rocks volcano

stratovolcano 2494 m / 8,182 ft
Washington, USA (mainland exept Alaska), 46.5°N / -121.45°W
Current status: (probably) extinct (0 out of 5) | Reports
Goat Rocks volcano books
Typical eruption style: Explosive
Goat Rocks volcano eruptions: 3 million - ca. 500,000 years ago
TimeMag. / DepthDistanceLocation
Mon, 18 Mar 2019
Mon, 18 Mar 05:52 UTCM 1.3 / 3.1 km27 km13km SW of Packwood, Washington (USA)
Fri, 15 Mar 2019
Fri, 15 Mar 04:43 UTCM 0.6 / 0.4 km1 km27km NNW of Packwood, Washington (USA)
Sun, 10 Mar 2019
Sun, 10 Mar 14:33 UTCM 1.2 / 3.6 km20 km18km ENE of Packwood, Washington (USA)
Sat, 2 Mar 2019
Sat, 2 Mar 10:44 UTCM 0.7 / 0.7 km0 km28km NNW of Packwood, Washington (USA)
Tue, 5 Feb 2019
Tue, 5 Feb 03:30 UTCM 0.6 / 1.8 km0 km- 28km NNW of Packwood, Washington
View all recent quakes
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.

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.


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