Table of Contents
How often does Mount Redoubt erupt?
Active for millennia, Mount Redoubt has erupted four times since it was first observed: in 1902, 1966, 1989 and 2009, with two questionable eruptions in 1881 and 1933.
What was the most destructive volcanic eruption?
Deadliest Eruption
| Deaths | Volcano | When |
|---|---|---|
| 92,000 | Tambora, Indonesia | 1815 |
| 36,417 | Krakatau, Indonesia | 1883 |
| 29,025 | Mt. Pelee, Martinique | 1902 |
| 25,000 | Ruiz, Colombia | 1985 |
When did Mount Redoubt first erupt?
1902
The oldest historical eruption occurred in 1902, when explosions were heard 175 km away and widespread ashfall was reported in the Cook Inlet basin. Vapor emissions were reported in May 1933 and JanuaryFebruary 1965.
How many volcanic eruptions were there in 2013?
Out of an estimated 1,500 active volcanoes, 50 or so erupt every year, spewing steam, ash, toxic gases, and lava. In 2013, erupting volcanoes included Italy’s Mount Etna, Alaska’s Mount Pavlof, Indonesia’s Mount Sinabung, Argentina’s Volcán Copahue, and a new island emerging off the coast of Nishinoshima, Japan.
Why did the Redoubt volcano erupt?
According to the Alaska Volcano Observatory, volcanic tremors started to shake Redoubt, most likely caused by fresh magma rising in the volcano. As of February 10, 2009, the increased activity had continued, but the volcano had not yet erupted.
How many times has Mount Redoubt erupted in history?
Active for millennia, Mount Redoubt has erupted four times since it was first observed: in 1902, 1966, 1989 and 2009, with two questionable eruptions in 1881 and 1933. The eruption in 1989 spewed volcanic ash to a height of 45,000 ft (13,700 m).
How tall is the Redoubt Volcano from space?
A plume of vapor from Mt Redoubt as seen from space on 5 May 2009. There was apparently an eruption described as “to the eastward, Redoubt Volcano, 11,060 feet (3,370 m) high, is constantly smoking, with periods of exaggerated activity. Fire has been seen issuing from its summit far out at sea.
Where is the Redoubt Volcano in Alaska located?
Redoubt Volcano, or Mount Redoubt, is an active stratovolcano in the largely volcanic Aleutian Range of the U.S. state of Alaska.
Where does the magma from Redoubt Volcano come from?
Redoubt is a subduction zone volcano, deriving its magma from melt created when the Pacific plate dives beneath the North America plate. This subduction zone has created both the Aleutian Trench, about 270 miles to the southeast of the volcano, and the Aleutian volcanic arc, of which Redoubt is a part.