U.S. Geological Survey identifier

Commonwealth of the Norther Mariana Islands identifier

Emergency Management Office, Commonwealth of the Northern Mariana Islands

Northern Mariana Islands Volcanic Activity

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Anatahan Volcano Update

Anatahan Volcano Update for April 11, 2004
Submitted Monday, April 12, 2004 at 1100 local Anatahan time


For the past day Anatahan volcanic seismicity has been quite high, though not quite as high as during its peak on April 6-7, the highest level since the eruptions of May-June 2003.  We believe the nature of the seismicity indicates that steam and (or) ash emissions may be occurring to altitudes of less than 3,000 ft (1,000 m).

Contact persons:
Juan Takai Camacho, Geophysical Seismic Technician, EMO Saipan; tel: (670) 322-9528, fax: (670) 322-7743, email: juantcamacho@hotmail.com
Ramon Chong, Geophysical Instrument Specialist, EMO Saipan; tel: (670) 322-9528, fax: (670) 322-7743, email: rcchongemo@hotmail.com
Frank Trusdell, Geologist, USGS; tel: (808) 967-8812, fax: (808) 967-8890, email: trusdell@usgs.gov

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Last modification: Sunday, 11-Apr-2004 23:26:16 EDT (DAS)