Scientists use distant sensor to monitor American Samoa earthquake swarm 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. sciencedaily.com sciencedaily.com / feeds sciencedaily-com-most-popular .. sciencedaily-com-top .. sciencedaily-com-environment .. sciencedaily-com / / #news / / 7 days 7d Share