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Trident Vulkan

Aktualisiert: 5. Okt. 2022 02:22 GMT -
Stratovolcano 1864 m / 6,115 ft
United States, Alaska Peninsula, 58.24°N / -155.1°W
Aktueller Status: unruhig (2 von 5)
Last update: 30 Sep 2022 (elevated volcanic-seismic unrest, Aviation Color Code raised to Yellow)

Interaktive Karte anzeigen
Typische Aktivität: unspecified
Ausbrüche des Trident: 1974 

Letzte Erdbeben in der Nähe

UhrzeitMag. / TiefeEntfernung/Ort
Mittwoch, 5. Oktober 2022 GMT (1 Beben)
4. Okt. 2022 17:32 (GMT -8) (5. Okt. 2022 01:32 GMT)
1.4

11 km
26 km (16 mi)
89 Km SE of King Salmon, Alaska
Donnerstag, 22. September 2022 GMT (1 Beben)
22. Sep. 2022 09:22 (GMT -8) (22. Sep. 2022 17:22 GMT)
1.1

3.8 km
26 km (16 mi)
80 Km SE of King Salmon, Alaska
Mittwoch, 21. September 2022 GMT (2 Beben)
20. Sep. 2022 23:58 (GMT -8) (21. Sep. 2022 07:58 GMT)
1.9

13 km
30 km (19 mi)
Alaska Peninsula
20. Sep. 2022 23:58 (GMT -8) (21. Sep. 2022 07:58 GMT)
1.9

13 km
30 km (19 mi)
87 km südöstlich von King Salmon, Bristol Bay, Alaska, USA

Beschreibung

The Trident stratovolcano cluster was named for the three prominent peaks that were the most visible features at the summit prior to 1953. The andesitic-dacitic Trident group consists of four overlapping stratovolcanoes and numerous flank lava domes, including Falling Mountain and Mt. Cerberus on the far west flank. The summit complex of Trident is located 3-5 km SE of Novarupta volcano, and merges along a ridge to the NE with Katmai volcano. The three oldest Trident volcanoes are glaciated and Pleistocene in age, while the youngest, Southwest Trident, was formed during historical time. Eruptions at the Trident complex migrated stepwise with time from the NE to the SW. In 1953 a new lava dome began growing on the SW flank of Trident I volcano. A series of thick andesitic lava flows were erupted between 1953 and 1968, forming a cone with 400-800 m of local relief. Periodic explosions took place until 1974, and the current summit contains a 350-m-wide crater. Some of the distal lava flows from West Trident stratovolcano collapsed into the Novarupta vent during its 1912 eruption.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
News
Fr, 30. Sep 2022, 08:00

Trident volcano (Alaska Peninsula): elevated volcanic-seismic unrest, Aviation Color Code raised to Yellow

Trident volcano (image: AVO)
The earthquake swarm beneath the volcano continues. ... Read all
Do, 15. Sep 2022, 10:22

Trident volcano (Alaska Peninsula): seismic swarm

Trident volcano (image: Smithsonian/Global Volcanism Program)
The Alaska Volcano Observatory (AVO) registered a swarm of earthquakes beneath the volcano that started on 24 August and is still continuing. ... Read all
News
Fr, 30. Sep 2022, 08:00

Trident volcano (Alaska Peninsula): elevated volcanic-seismic unrest, Aviation Color Code raised to Yellow

Trident volcano (image: AVO)
The earthquake swarm beneath the volcano continues. ... Read all
Do, 15. Sep 2022, 10:22

Trident volcano (Alaska Peninsula): seismic swarm

Trident volcano (image: Smithsonian/Global Volcanism Program)
The Alaska Volcano Observatory (AVO) registered a swarm of earthquakes beneath the volcano that started on 24 August and is still continuing. ... Read all
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