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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Archived Updates

Anatahan Volcano Updates

Monday, September 1, 12:00 a.m. local Anatahan time

For the past 24 hours, Anatahan volcanic seismicity has been low, at a level similar to that since June. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are low.

Tuesday, September 2, 09:45 a.m. local Anatahan time

For the past 24 hours, Anatahan volcanic seismicity has been low, at a level similar to that since June. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are low.

Wednesday, September 3, 10:45 a.m. local Anatahan time

For the past 24 hours, Anatahan volcanic seismicity has been low, at a level similar to that since June. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are low.

Thursday, September 4, 10:50 a.m. local Anatahan time

For the past 24 hours, Anatahan volcanic seismicity has been low, at a level similar to that since June. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are low.

Friday, September 5, 10:40 a.m. local Anatahan time

For the past 24 hours, Anatahan volcanic seismicity has been low, at a level similar to that since June. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at their lowest levels since early July, but the signal still appears to be seismic.

(NOTE: updates were not posted September 6 and 7)

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


U.S. Department of the Interior, U.S. Geological Survey, Reston, Virginia, USA
URL http://hvo.wr.usgs.gov/cnmi/archive/20030901-0907.html
Contact: hvowebmaster@usgs.gov
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Last modification: Wednesday, 17-Sep-2003 21:43:42 EDT (SRB)