A moderate earthquake with a magnitude of 4.5 occurred in the South Pacific Ocean near the coast of Atacama, Chile, on Sunday, July 27, 2025, at 01:21 local time (GMT -5). The epicenter was located 94 km northwest of Copiapó, at a shallow depth of 35 km. The quake was not widely felt and posed no tsunami threat, as confirmed by the Hydrographic and Oceanographic Service of the Chilean Navy (SHOA). The event was registered by multiple seismic agencies, including the CSN, USGS, EMSC, and IRIS, with slight variations in epicenter location and depth. Several aftershocks, including magnitudes 4.9 and 4.8, have been reported in the region in recent days. The Chilean National Seismological Center (CSN) provided detailed information, noting the event's energy release equivalent to approximately 84.8 tons of TNT. Authorities continue to monitor the situation, and no significant damages or injuries have been reported. The seismic activity is consistent with Chile's location along the boundary of the Nazca and South American tectonic plates, which frequently produce tremors. Residents are advised to stay informed and follow safety recommendations from Senapred.