From 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.

Portable and inexpensive Raspberry Shake sensors deployed in August ... hazard is poorly understood, such as offshore regions with tsunami potential or earthquakes within a tectonic plate.

An offshore earthquake struck once again in a seismically active region off the northern end of Vancouver Island while other minor seismic activity was detected near Victoria and in Washington ...