In late July to October 2022, residents of the Manu'a Islands in American Samoa felt the earth shake several times a day, raising concerns of an imminent volcanic eruption or tsunami.

Researchers from the Seismological Society of America utilized a remote seismic station on Upolu, Samoa—part of the Global Seismographic Network—to measure and identify the source of the American ...

Select a location from the map to obtain a table of the monthly sea level statistics, or use the table below to access other statistics and formats from the Pacific Sea Level and Geodetic Monitoring ...

Note: The new hourly sea level record for Jackson Bay starts at 0500 UTC 11-Dec-2013. Jackson Bay data prior to 2013 is available upon request.