The Yellowstone Seismic Network is designed to record ground shaking due to earthquakes. But earthquakes aren’t the only ...

An earthquake measuring 5.1 magnitude on the Richter scale struck Tuesday, east of the Tonga Islands in the South Pacific Ocean.The epicentre of the earthquake was located 102 km east of the Ohonua ...

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.