Volcanoes of the Mariana Islands and Guam (24)

Agrigan | Ahyi | Alamagan | Anatahan | Asuncion | East Diamante | Eifuku | Esmeralda Bank | Farallon de Pajaros | Forecast Seamount | Guguan | Kasuga 3 | 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

Volcano list


(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. [more]


(Submarine volcano -137 m / - 449 ft)


(Stratovolcano 744 m / 2,441 ft)


(stratovolcano 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... [more]


(Stratovolcano 857 m / 2,812 ft)

East Diamante

(Submarine volcano -127 m / - 417 ft)


(Submarine -551 m / -1808 ft)

Esmeralda Bank

(Submarine volcano -43 m / - 141 ft)

Farallon de Pajaros

(Stratovolcano 360 m / 1,181 ft)

Forecast Seamount

(Submarine volcano unknown summit elevation)


(Stratovolcano 287 m / 942 ft)

Kasuga 3

(Submarine -1325 m / -4347 ft)

Maug Islands

(Stratovolcano 227 m / 745 ft)

NW Rota-1

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


(stratovolcanoes 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... [more]


(Submarine volcano -230 m / - 755 ft)


(Stratovolcano 538 m / 1,765 ft)

Seamount X

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

South Sarigan Seamount

(Submarine volcano -184 m / - 604 ft)

Supply Reef

(Submarine volcano -8 m / - 26 ft)

Tracey Seamount

(Submarine -900 m / -2953 ft)

Unnamed 20.30°N/143.20°E

(Submarine volcano? unknown summit elevation)

Unnamed 21.00°N/142.90°E

(Submarine volcano? unknown summit elevation)

Zealandia Bank

(Stratovolcano 0 m / 0 ft)
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