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

Anatahan Volcano Update
Submitted Tuesday, February 17, 2004 at 0800 local Anatahan time

For the past two days Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

Anatahan Volcano Update
Submitted Wednesday, February 18, 2004 at 1100 local Anatahan time

During the past day Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

Anatahan Volcano Update
Submitted Thursday, February 19, 2004 at 1100 local Anatahan time

During the past day Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

Anatahan Volcano Update
Submitted Friday, February 20, 2004 at 1100 local Anatahan time

During the past day Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

Anatahan Volcano Update
Submitted Saturday, February 21, 2004 at 1100 local Anatahan time

During the past day Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

Anatahan Volcano Update
Submitted Sunday, February 22, 2004 at 1230 local Anatahan time

During the past day Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

Anatahan Volcano Update
Submitted Sunday, February 23, 2004 at 1230 local Anatahan time

During the past day Anatahan volcanic seismicity has been at a low background level. There were no apparent eruption signals or precursory events. Tremor and seismic energy release are at very low levels.

There has been no significant volcanic seismic activity since about February 8. Therefore we will stop issuing daily updates, and return to weekly updates, starting Monday, March 1.

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/20040217-0223.html
Contact: hvowebmaster@usgs.gov
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Last modification: Tuesday, 02-Mar-2004 21:38:01 EST (SRB)