Swarm of over 100 earthquakes hits Hanford nuclear site near Tri-Cities in Washington, U.S.
A series of over 100 shallow earthquakes have struck 48 km (30 miles) on the edge of the Hanford nuclear site northwest of Washington’s Tri-Cities since Saturday, September 21, 2024, with scientists attributing the tremors to tectonic activity near the Yakima Fold and Thrust Belt.

