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Vulkane in den Marianeninseln und Guam (26)

Agrigan | Ahyi | Alamagan | Anatahan | Asuncion | East Diamante | Eifuku | Esmeralda Bank | Farallon de Pajaros | Forecast Seamount | Guguan | Kasuga 1 | Kasuga 3 | Mariana Back-Arc Segment at 15.5°N | Maug Islands | NW Rota-1 | Pagan | Ruby | Sarigan | Seamount X | South Sarigan Seamount | Supply Reef | Tracey Seamount | Unnamed 20.30°N/143.20°E | Unnamed 21.00°N/142.90°E | Zealandia Bank
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Volcano list

Agrigan

(Stratovolcano 965 m / 3,166 ft)
Agrigan volcano is an active stratovolcano and the highest of the volcanoes in the Marianas volcanic arc. It contains contains a 500-m-deep, flat-floored caldera. The last confirmed eruption was in 1917. [mehr]

Ahyi

(Submarine volcano -137 m / - 449 ft)
3D model of Ahyi seamount volcano (image via GVP)
3D model of Ahyi seamount volcano (image via GVP)
[mehr]

Alamagan

(Stratovolcano 744 m / 2,441 ft)
[mehr]

Anatahan

(Schichtvulkan 790 m / 2,592 ft)
Anatahan volcano forms the small 9 x 3.7 E-W elongated Anatahan Island in the northern Marianas, about 120 km north of Saipan, the regional Commonwealth of the Northern Mariana Islands capital.
The volcano is at the southern end of the 1500 km long chain of volcanoes forme... [mehr]

Asuncion

(Stratovolcano 857 m / 2,812 ft)
[mehr]

East Diamante

(Submarine volcano -127 m / - 417 ft)
[mehr]

Eifuku

(Submarine -551 m / -1808 ft)
[mehr]

Esmeralda Bank

(Submarine volcano -43 m / - 141 ft)
[mehr]

Farallon de Pajaros

(Stratovolcano 360 m / 1,181 ft)
[mehr]

Forecast Seamount

(Submarine volcano unknown summit elevation)
[mehr]

Guguan

(Stratovolcano 287 m / 942 ft)
[mehr]

Kasuga 1

(Submarine -598 m / -1962 ft)
Kasuga 1 is the northernmost of three seamounts in the Kasuga seamount chain. It rises to within about 600 m of the sea surface. Pumice from a submarine eruption was witnessed in 1959. (Image: NOAA, 2003, http://oceanexplorer.noaa.gov/explorations/03fire/logs/mar02/media/kasuga.html)
Kasuga 1 is the northernmost of three seamounts in the Kasuga seamount chain. It rises to within about 600 m of the sea surface. Pumice from a submarine eruption was witnessed in 1959. (Image: NOAA, 2003, http://oceanexplorer.noaa.gov/explorations/03fire/logs/mar02/media/kasuga.html)
The Kasuga 1 seamount is a conical volcano that rises to within 598 m of the sea surface SE of Fukujin submarine volcano. It was listed as an active volcano by the Japan Meteorological Agency, and floating pumice attributed to a submarine eruption was seen south of the volcano in... [mehr]

Kasuga 3

(Submarine -1325 m / -4347 ft)
[mehr]

Mariana Back-Arc Segment at 15.5°N

(submarine volcano -4100 m / -13,451 ft)
Approx. 130 km west of Saipan lies a volcanically active submarine spreading zone at water depths of more than 4,000 meters. Evidence of significant volcanic activity from this area has been found recently. [mehr]

Maug Islands

(Stratovolcano 227 m / 745 ft)
[mehr]

NW Rota-1

(Submarine volcano -517 m / - 1,696 ft)
[mehr]

Pagan

(Stratovulkan 570 m / 1,870 ft)
Pagan volcano consists of 2 stratovolcanoes (North and South Pagan) connected by a narrow isthmus and forms the largest and one of the most active of the Mariana Islands. It is located 173 nautical miles north of Saipan.
Nearly all historical eruptions of Pagan, which were... [mehr]

Ruby

(Submarine volcano -230 m / - 755 ft)
[mehr]

Sarigan

(Stratovolcano 538 m / 1,765 ft)
[mehr]

Seamount X

(Submarine volcano -1230 m / - 4,035 ft)
[mehr]

South Sarigan Seamount

(Submarine volcano -184 m / - 604 ft)
[mehr]

Supply Reef

(Submarine volcano -8 m / - 26 ft)
[mehr]

Tracey Seamount

(Submarine -900 m / -2953 ft)
[mehr]

Unnamed 20.30°N/143.20°E

(Submarine volcano? unknown summit elevation)
[mehr]

Unnamed 21.00°N/142.90°E

(Submarine volcano? unknown summit elevation)
[mehr]

Zealandia Bank

(Stratovolcano 0 m / 0 ft)
[mehr]
Latest news:
Mi, 30. Nov 2022, 15:00

Ahyi volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 November-29 November 2022 (New Activity / Unrest)

Signs of unrest at Ahyi Seamount have been observed in satellite and remote geophysical data, starting in mid-October. Hydroacoustic signals continued to be observed but had declined in the previous few weeks. Discolored water over the seamount was first visible on 18 November and persisted, possibly from either degassing or an eruption. ... Read all
Di, 29. Nov 2022, 07:46

Ahyi undersea volcano (Mariana Islands): seismic unrest, alert level raised to Yellow

3D model of Ahyi volcano (image via GVP)
Signs of seismic unrest continue to be detected in satellite and remote geophysical data. ... Read all
Mi, 23. Nov 2022, 15:00

Ahyi volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 November-22 November 2022 (New Activity / Unrest)

On 18 November the USGS reported that hydroacoustic and seismic signals suggestive of underwater eruptive activity at Ahyi Seamount had declined over the past week. No other signs of volcanic unrest were detected at the seamount. ... Read all
Mi, 16. Nov 2022, 15:00

Ahyi volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 9 November-15 November 2022 (New Activity / Unrest)

On 15 November the USGS reported that hydroacoustic sensors at Wake Island began to record signals in mid-October that are consistent with submarine volcanic activity. A combined analysis of the hydroacoustic signals and seismic data from stations on Guam and Chichijima Island, Japan, suggest the source of this activity is at or near Ahyi seamount. Contrary to initial observations of there being discoloration on the water's surface, a reanalysis of satellite imagery from 6 November showed no evidence of water discoloration at the ocean surface. ... Read all
Di, 15. Nov 2022, 18:32

Ahyi undersea volcano (Mariana Islands) might be erupting beneath the ocean surface

3D model of Ahyi volcano (image via GVP)
There are strong indications that an undersea volcano in the Northern Marianas could be in eruption. ... Read all
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