On Friday Night a Significant M5.1 Earthquake struck 146km from San Juan in Argentina.

Written by Earthquakelist.org on June 5th, 2026.

A significant MAG-5.1 earthquake struck under land 146 kilometer from San Juan in Argentina deep in the night of Friday June 5th, 2026.

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Earthquake Summary

The earthquake struck on land in Argentina, 146 kilometer (91 mi) east of San Juan. The center of this earthquake had an intermediate depth of 136 km.

Date and Time:	Jun 5, 2026 03:54 (San Juan Time) - Jun 5, 2026 06:54 Universal Time.
Location:	146 km east of San Juan, Argentina. Coordinates 31°52'54"S 67°2'43"W.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.1 Detected by 25 stations. Maximum Error Range ±0.114 .
Depth:	136 km (85 mi) An intermediate depth.
Tsunami Risk:	Tsunami very unlikely Tsunami's are usually caused by MAG-6.5+ earthquakes, less than 100km shallow, and with an epicenter under sea. Neither of this seems to be the case. Always stay cautious - More info here.

Nearby towns and cities

This earthquake may have been felt in Argentina . Caucete in San Juan, Argentina is the nearest significant place from the epicenter. The earthquake occurred 120 kilometer (75 mi) east of Caucete.

Multiple large cities are in proximity of today's earthquake. Córdoba is located 276 km to the east. Mendoza is located 201 km to the southwest. San Juan is located 146 km to the west.

The table below provides an overview of all places in proximity of today's earthquake.

Overview of nearby places

Aftershocks detected

Since this main shock, 1 smaller aftershock was detected. A 3 magnitude earthquake hit 3 hrs later 75 km (46 mi) north of this earthquake.

In the days before this main shock, 4 smaller foreshocks were detected. Nearby this earthquake a foreshock struck 5 hrs earlier. It measured a magnitude of 3.3

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.

The chance that a significant earthquake like this one is followed by an even larger earthquake is not so large. On average, scientists estimate a 94% chance that a major earthquake will not be followed by an even larger one. It is still adviced to be aware of this risk

Earthquakes like this happen often in the region

Earthquakes of this strength are very common in the region. This is the strongest earthquake to hit since October 20th, 2024, when a 5.7 magnitude earthquake hit 198 km (123 mi) further northwest. An even stronger magnitude 6.4 earthquake struck on January 19th, 2021.

In total, 17 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 7 months.

Tsunami very unlikely

It is very unlikely that this eartquake will cause any tsunami's. The reported magnitude is lower than the MAG-6.5 strength required to cause any earthquakes. In addition, this earthquake was not very shallow and appears to have occurred under land. However always stay cautious and monitor advice from local authorities.

Tsunami Risk Factors

Sources

Last updated 05/06/26 18:48 (). This article contains currently available information about the earthquake and is automatically composed. We continue to update this article up to a few days after the earthquake occurred.

1. US Geographic Society (USGS): Earthquake us7000sqtb
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20260605_0000104
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

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