A 6.9 magnitude earthquake struck on Monday, May 25 at 17:52 with its epicenter 20 kilometers northeast of Calama. The quake was felt across four northern regions and caused power outages and mining halts.
The National Seismological Center reported the hypocenter at a depth of 114 kilometers. The quake reached intensity VI on the Mercalli scale in communes including Antofagasta, Tocopilla, Mejillones and Sierra Gorda.
Senapred authorities reported that more than 27,000 customers lost electricity in Calama. Interruptions in water supply also affected between 3,000 and 4,000 users.
Mining operations activated safety protocols and temporarily halted work after rockfalls. Antofagasta regional Senapred director Ricardo Munizaga confirmed no injuries or major emergencies.
At least five aftershocks below magnitude 4.3 were recorded. SHOA ruled out any tsunami risk.
