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]
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]
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]