Trident Volcán
Updated: 11 nov. 2025 07:08 GMT -
Stratovolcano
United States, Alaska Peninsula, 58.24°N / -155.1°W 
+Hora local:
Salida del sol:
Puesta del sol:
Salida de la luna:
Puesta de la luna:
Summit height: 1864 m / 6,115 ft
Current status: normal or dormant (1 out of 5)
Last update: 11 ene 2024 (alert level diminished to Green)
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Erupciones del volcán Trident: 1974
Latest nearby earthquakes
| Fecha y hora | Mag / Prof. | Distancia / Ubicación | |||
|---|---|---|---|---|---|
| 10 nov 00:33 (GMT -9) | 0.8 2.6 km | 17 km al suroeste | Borough de Lake and Peninsula, 180 km al oeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| sábado, 8 noviembre 2025 GMT (1 sismo) | |||||
| 8 nov 15:18 (Tiempo Universal) | 1.0 4.1 km | 13 km al este | 154 km al oeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| viernes, 7 noviembre 2025 GMT (1 sismo) | |||||
| 7 nov 00:13 (Tiempo Universal) | 0.8 69 km | 14 km al suroeste | 176 km al oeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| jueves, 6 noviembre 2025 GMT (1 sismo) | |||||
| 6 nov 22:41 (Tiempo Universal) | 0.6 27 km | 16 km al norte | Borough de Lake and Peninsula, 170 km al noroeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| miércoles, 5 noviembre 2025 GMT (3 sismos) | |||||
| 5 nov 17:24 (Tiempo Universal) | 1.1 5.2 km | 27 km al noreste | Borough de Lake and Peninsula, 148 km al noroeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| 5 nov 17:19 (Tiempo Universal) | 1.1 1.4 km | 28 km al noreste | Borough de Lake and Peninsula, 148 km al noroeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| 5 nov 10:21 (Tiempo Universal) | 0.1 3.4 km | 9.3 km al noreste | Borough de Lake and Peninsula, 162 km al oeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| domingo, 2 noviembre 2025 GMT (2 sismos) | |||||
| 2 nov 17:10 (Tiempo Universal) | 1.5 3.3 km | 16 km al suroeste | 179 km al oeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
| 2 nov 00:12 (GMT -8) | 0.9 10.9 km | 4 km al sureste | 162 km al oeste de Kodiak, Burgo de Isla Kodiak, Alaska, Estados Unidos | Más | |
Background
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.---
Smithsonian / GVP volcano information
Erupciones volcánicas significativas: Trident volcano
In the past 10,000 years, Trident has had at least 15 confirmed volcanic eruptions, out of which 13 are documented by historical records, while the others can be inferred from geological evidence.
The table below lists all known eruptions (date in bold face) of Trident volcano in historic times and during the past 10,000 years. Updates on the most recent volcanic activity of Trident can be found on the news page of Trident volcano.
| Fecha | Nota | VEI | Fallecidos | Daños | |
|---|---|---|---|---|---|
| SW flank Obs. históricas/documentos | 3 | desconocido | |||
| SW flank Obs. históricas/documentos | 3 | desconocido | |||
| SW flank Obs. históricas/documentos | 3 | desconocido | |||
| SW flank Obs. históricas/documentos | 0 | desconocido | |||
| SW flank Obs. históricas/documentos | 3? | desconocido | |||
| SW flank Obs. históricas/documentos | 3 | desconocido | |||
| SW flank Obs. históricas/documentos | 3 | desconocido | |||
| SW flank Obs. históricas/documentos | 3 | desconocido | |||
| SW flank (1100 m) Obs. históricas/documentos | 2 | desconocido | |||
| SW flank Obs. históricas/documentos | 2 | desconocido | |||
| Volcano Uncertain: attributed to Trident | 2 | desconocido | |||
| SW flank (1100 m) Obs. históricas/documentos | 3 | desconocido | |||
| Volcano Uncertain: attributed to Trident | 2? | desconocido | |||
Obs. históricas/documentos | ? | desconocido | |||
Obs. históricas/documentos | 1 | desconocido | |||
Remark:
Our list of volcanic eruptions closely follows the database of eruptions of the Smithsonian's Global Volcanism Project (GVP), the internationally most recognized data source for volcanic eruptions, but also includes significant eruptive episodes or related volcano events. "Volcanic eruptions" are usually to be understood as sequences of individual eruptive episodes that can follow each other, or even overlap (if several vents are involved), and can last many years, decades or even longer. For example, the current activity of Stromboli volcano is understood as a single eruption that has been ongoing since 1934.
Fuentes: NOAA National Centers for Environmental Information (NCEI), Global Significant Volcanic Eruptions Database. doi:10.7289/V5TD9V7K | Global Volcanism Project / Smithsonian Institution
Trident Volcano FAQ
+When was the last eruption of Trident volcano?
The last confirmed eruption of Trident occurred in 1974.
+How often does Trident volcano erupt?
Since 1913, Trident volcano has had at least 13 historically documented eruptions. This means that it erupts on average every 8.6 years.
Many eruptions of Trident have lasted more than one year. In total, the volcano has been in eruption during 16 out of 112 years until now. In other words, Trident has been active at least one in 7 years on average. Note that this value is likely an underestimate, because the known history of eruptions from Trident is likely incomplete, especially further back in time.
+How active is Trident volcano at present?
Trident volcano is relatively active: Since 1900, it has had 16 eruptions, and been active during 16 years out of 126 as of now. This means, Trident has been in eruption one in 7.9 years on average. The last eruption was in 1974 and ended 52 years ago.
+When was the largest eruption of Trident volcano?
The largest eruption of Trident volcano in historic times occurred in 1974. It ranks as a "vulcanian" eruption with a magnitude 3 on the VEI (Volcanic Explosivity Index) scale.
Últimas imágenes satelitales
Trident Volcán Mapas
Below is a selection of maps showing the location and surroundings of the volcano at various resolutions based on aerial-imagery / terrain maps. Feel free to use them for non-commercial purposes on your blog or website as long as you credit them with a link back to this page (click to copy it).
Satellite/aerial-type map of Trident volcano (world scale)
Terrain-type map of Trident volcano (world scale)
Satellite/aerial-type map of Trident volcano (region scale large)
Terrain-type map of Trident volcano (region scale large)
Satellite/aerial-type map of Trident volcano (region scale medium)
Terrain-type map of Trident volcano (region scale medium)
Satellite/aerial-type map of Trident volcano (region scale small)
Terrain-type map of Trident volcano (region scale small)
Satellite/aerial-type map of Trident volcano (local scale large)
Terrain-type map of Trident volcano (local scale large)
Satellite/aerial-type map of Trident volcano (local scale medium)
Terrain-type map of Trident volcano (local scale medium)
Satellite/aerial-type map of Trident volcano (local scale small)
Terrain-type map of Trident volcano (local scale small)
Satellite/aerial-type map of Trident volcano (scale of 10s of km)
Terrain-type map of Trident volcano (scale of 10s of km)
Satellite/aerial-type map of Trident volcano (scale of 20-40 km)
Terrain-type map of Trident volcano (scale of 20-40 km)
Satellite/aerial-type map of Trident volcano (scale of approx. 10-20 km)
Terrain-type map of Trident volcano (scale of approx. 10-20 km)
Satellite/aerial-type map of Trident volcano (scale of 5-10 km)
Satellite/aerial-type map of Trident volcano (scale of few kilometers)
