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Hood volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 September-18 September 2001 (New Activity / Unrest)

Wed, 12 Sep 2001, 06:00
06:00 AM | BY: VN
The USGS Cascades Volcano Observatory reported that a minor earthquake swarm occurred at Mount Hood from 9 September until at least 14 September. About 25 events were detected, with a maximum magnitude of 2.9. The epicenters of the earthquakes were ~8 km SSW of the volcano's summit at depths of 1-7 km.
These types of swarms occur once or twice per year at Mount Hood.

Source: US Geological Survey Cascades Volcano Observatory (CVO)
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From: Global Volcanism Program, 2001. Report on Hood. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 12 September-18 September 2001. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 17 Jan 2001, 06:00

Hood volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 January-23 January 2001 (New Activity / Unrest)

The Cascades Volcano Observatory (CVO) reported that during 10-20 January a swarm of 13 earthquakes with magnitudes ranging from 0.2-2.0 occurred in an area about 4-8 km SSE of the summit at a depth of 4-7 km. This activity is not abnormal; Mount Hood averages one to two small swarms a year, with the last swarm occurring in May 2000. The current swarm consisted of fewer and smaller events than is typical, but it may not have yet ended. ... Read all
Mount Hood volcano
stratovolcano 3426 m / 11,240 ft
Oregon (Canada and USA (mainland)), 45.37°N / -121.7°W
Current status: normal or dormant (1 out of 5) Mount Hood volcano eruptions:
1907(?), 1869(?), 1865-66, 1859, 1854(?), 1853(?), 1795 ± 5 yr, 1765 ± 5, 390 ± 150, 510 AD ± 150, 300 AD ± 200, 4940 BC ± 150
Typical eruption style
Explosive
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