A light earthquake with magnitude 4.2 (ml/mb) was detected on Tuesday, 53 kilometers (33 miles) from Londres in Argentina. The earthquake was roughly at a depth of 153.104 km (95 miles). Exact location of event, depth 153.104 km, -66.662° West, -27.9545° South. Global date and time of event UTC/GMT: 30/12/25 / 2025-12-30 13:20:50 / December 30, 2025 @ 1:20 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 13:20:50 / 1:20 pm (local time epicenter). Id of earthquake: us7000rlig. Event ids that are associated: us7000rlig.
Close country/countries that might be effected, Argentina (c. 41 343 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Tinogasta, Arauco, Andalgalá. Epicenter of the event was 89 km (56 miles) from Tinogasta (c. 14 500 pop), 52 km (32 miles) from Andalgalá (c. 14 100 pop), 71 km (44 miles) from Arauco (c. 13 700 pop).
In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days ten earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.
Questions or comments?
How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 53 km ESE of Londres, Argentina. This data comes from the USGS Earthquake Notification Service.
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