Shallow M5.1 AFTERSHOCK struck on Friday Afternoon in the South Atlantic Ocean 298km from Ushuaia (Argentina).

Written by Earthquakelist.org on May 2nd, 2025. Last updated May 19th, 2025.

In the South Atlantic Ocean 298 kilometer from Ushuaia, Argentina, a shallow and significant MAG-5.1 aftershock occurred in the late afternoon of Friday May 2nd, 2025.

Felt the earthquake? Share this article:

Earthquake Summary

This earthquake hit under water in the South Atlantic Ocean, 276 kilometers (171 mi) off the coast of Argentina, 298 kilometer south-southeast of Ushuaia in Tierra del Fuego. The center of this earthquake had a very shallow depth of 10 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time:	May 2, 2025 16:33 (Ushuaia Time) - May 2, 2025 19:33 Universal Time.
Location:	298 km SSE of Ushuaia, Tierra del Fuego, Argentina. Coordinates 57°25'32"S 67°16'41"W.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.1 Detected by 104 stations. Maximum Error Range ±0.058 .
Depth:	10 km (6 mi) A very shallow depth.
Tsunami Risk:	Low tsunami risk Earthquakes under MAG-6.5 do not usually cause tsunami's. Always stay cautious - More info here.

Nearby towns and cities

This earthquake may have been felt in Argentina . The closest significant population center near the earthquake is Ushuaia in Tierra del Fuego, Argentina. Ushuaia is located 298 kilometer (185 mi) south-southeast of the epicenter.

Overview of nearby places

This is likely an aftershock

This earthquake was an aftershock. A larger mag. 7.4 earthquake struck 91 km (57 mi) northwest in advance of this 5.1 earthquake around 7 hrs earlier.

Overview of foreshocks and aftershocks

More earthquakes coming?

Aftershocks are usually at least 1 order of magnitude less strong than main shocks. The more time passes, the smaller the chance and likely strength of any potential aftershocks.

In only six percent of cases, significant earthquakes are followed by a larger main shock, making the current earthquake a foreshock. While the chance of this happening is not so large, it is adviced to maintain cautiousness in the hours and days following a major earthquake.

Earthquakes like this happen often in the region

Earthquakes of this strength are very common in the region. In total, 16 earthquakes with a magnitude of 5.1 or higher have been registered within 300km (186 mi) of this epicenter in the past 10 years. This comes down to an average of once every 8 months.

Low tsunami risk

Based on early data it appears this earthquake was not strong enough (lower than MAG-6.5) to be likely to cause destructive tsunami's. However this earthquake appeared to have hit at a shallow depth under sea, so stay cautious and monitor advice from local authorities.

Tsunami Risk Factors

Sources

Last updated 19/05/25 21:38 (). As more information on this earthquake becomes available this article will be updated. This article is automatically composed based on data originating from multiple sources.

1. US Geographic Society (USGS): Earthquake us7000pwqr
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20250502_0000304
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

Share this article: