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Roundtop volcano

Stratovolcano 1871 m / 6,138 ft
United States, Aleutian Islands, 54.8°N / -163.59°W
Current status: normal or dormant (1 out of 5) | Reports
Roundtop volcano books
Typical eruption style: sin especificar
Erupciones del volcán Roundtop: 7600 BC ± 500 years
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Sat, 28 Sep 2019
Sat, 28 Sep 05:32 UTCM 3.6 / 102.4 km22 km15km SE of False Pass, Alaska (USA)

Background:

The flat-topped, glacier-covered Roundtop volcano is the easternmost and lowest of an E-W-trending line of volcanoes on eastern Unimak Island. Roundtop lies 13 km SW of the village of False Pass. The snow and ice-covered edifice fills much of a 3-km-wide caldera that formed during the early Holocene. The caldera-forming eruption produced pyroclastic flows and a rhyolitic tephra layer that is widespread throughout the southwestern end of the Alaska Peninsula. A group of lava domes was constructed south of Roundtop volcano. No historical eruptions are known from the 1871-m-high stratovolcano. In the 1930s warm springs were found on its slopes.
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Smithsonian / GVP volcano information

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