Pagan Volcano Marianas Islands Pacific – Yellow Alert Advisory


OCT/14/2011 – BFE NEWS – Pagan volcano is located 173 nautical miles north of Saipan.  The island contains two stratovolcanoes connected by a narrow isthmus.  It has been reported by the USGS (see below) that there is a “persistent gas and steam plume” hence the Yellow aviation level. No other significant activity in the Mariana Islands has been noted so far. It had been reported by Volcano Live that Pagan was displaying signs of “small ash emissions” at the end of August 2011.

Pagan volcano is displaying "persistent gas & steam plumes"

The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI), is a commonwealth in political union with the United States, occupying a strategic region of the western Pacific Ocean. It consists of 15 islands about three-quarters of the way from Hawaii to the Philippines. The United States Census Bureau reports the total land area of all islands as 179.01 square miles (463.63 km2).

Marianas Islands - Pacific Ocean

The Northern Mariana Islands has a population of 53,883 (2010 census).More than 90% of the population lives on the island of Saipan. Of the fourteen other islands, only two — Tinian and Rota — have a significant population. The islands of Agrihan and Alamagan have fewer than ten residents each, and the remaining islands are unpopulated.

We have been watching El Hierro (VIDEO of ERUPTION ZONE & NEWS CLICK HERE) Canary Islands Spain with its subsea eruptions like mad this past week, but it is important to note, as you will see in the video news, that a wide variety of volcanoes are active and awakening – such as in Vanatua with Tanna set now at Yellow and 3 other volcanoes set at “awakening” level. Can’t forget the 6 volcanoes in Indonesia, including Anak Krakatau.  Iceland also has been reporting much activity at Katla. Shevelich Kamchatka Russia also reported a red disturbance on Oct5/6 but this has now been downgraded to an orange.


NORTHERN MARIANA ISLANDS UPDATEFriday, October 14, 2011 11:15 AM ChST (Friday, October 14, 2011 01:15 UTC)

Report prepared by the U.S. Geological Survey.

18°7’48” N 145°48′ E, Summit Elevation 1870 ft (570 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Clear to partly cloudy satellite images showed a persistent gas and steam plume extending from Pagan Volcano throughout the past week. Except for a particularly robust plume observed in satellite imagery on October 12, the plume was similar in character to those observed the previous week. USGS has received no other reports of unrest or activity at the volcano this week.

Pagan Volcano is not monitored with ground-based geophysical instrumentation and the only sources of information are satellite observations and occasional reports from observers who pass by or visit the island. We will continue to evaluate satellite imagery, on-island, and mariner reports when they become available, but because the volcano is not monitored with ground-based instruments, we cannot provide advanced warning of activity.

Access to the island may be restricted by the CNMI government. Contact the EMO for the latest information.

No eruptive activity or significant unrest has been detected at other volcanoes in Northern Mariana Islands this week.

USGS Northern Marianas Duty Scientist (808) 967-8815

CNMI Emergency Management Office (670) 322-8001



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