The US Geological Survey (USGS) recorded a 5.9-magnitude earthquake approximately 86 km (53.4 miles) off the coast of Petrolia (California state) on Sunday, March 8, at 18:59 (local time). The USGS said that the quake struck at a depth of 2.2 km (1.37 mi). No tsunami warning was immediately issued.
Aftershocks are possible over the coming hours or days.
Individuals in California state are advised to monitor the situation and prepare for potential aftershocks. In the event of aftershocks, individuals are advised to protect themselves as much as possible from falling debris if indoors (e.g. under a table), move away from windows, and not attempt to leave a building unless there is an immediate danger. If outdoors, move away from tall buildings, utility wires, and streetlights.