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Random pictures

Mount Washington volcano

shield volcano 2376 m / 7,794 ft
Oregon, USA (mainland exept Alaska), 44.33°N / -121.84°W
Current status: (probably) extinct (0 out of 5) | Reports
Mount Washington volcano books
Typical eruption style: effusive
Mount Washington volcano eruptions: possibly ca. 1330 years ago
TimeMag. / DepthDistanceLocation
Wed, 18 Apr
Wed, 18 Apr 05:44 UTCM 1.3 / 3.4 km15 km- 32km NNW of Sisters, Oregon
Wed, 14 Mar
Wed, 14 Mar 23:44 UTCM 2.1 / 1.5 km37 kmExplosion - 13km W of Redmond, Oregon
Mount Washington is a composite volcano in the Cascade Range of Oregon. The mountain dates to the Late Pleistocene. However, it does have a line of basaltic andesite spatter cones on its northeast flank which are approximately 1,330 years old according to carbon dating. The main peak, formed by an andesitic lava dome is strongly eroded by glacial action during the last ice age.

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