USGS Volcano Notice - DOI-USGS-NMI-2022-11-30T13:14:13-09:00

NORTHERN MARIANA ISLANDS VOLCANO OBSERVATORY DAILY UPDATE
U.S. Geological Survey
Thursday, December 1, 2022, 10:04 AM ChST (Thursday, December 1, 2022, 00:04 UTC)

Report prepared by the U.S. Geological Survey.

AHYI SEAMOUNT (VNUM #284141)
20°25'12" N 145°1'48" E, Summit Elevation -449 ft (-137 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

The aviation color code and volcano alert level for Ahyi Seamount remains at Yellow and Advisory, Observations over the past 24 hours show no activity in satellite data.  A few possible detections were observed in hydrophone data over the past 24 hours.  Given recent activity, the volcano could resume signs of unrest without much warning and marine hazards above or near the seamount are possible. 

For definitions of Aviation Color Codes and Volcano Alert Levels, see: http://volcanoes.usgs.gov/activity/alertsystem/index.php


SUBSCRIBE TO VOLCANO ALERT MESSAGES by email: http://volcanoes.usgs.gov/vns/
 

CONTACT INFORMATION:

CNMI Homeland Security and Emergency Management
http://www.cnmihsem.gov.mp/

USGS Northern Mariana Duty Scientist (907) 786-7497
http://volcano.wr.usgs.gov/cnmistatus.php

Satellite information, Washington VAAC
http://www.ssd.noaa.gov/VAAC/washington.html