Shallow M5.2 Earthquake struck on Friday Afternoon in the South Pacific Ocean near San Antonio (Chile).

Written by Earthquakelist.org on September 25th, 2026. Last updated October 18th, 2026.

A shallow and significant M5.2 earthquake struck in the South Pacific Ocean 69 kilometer from San Antonio, Chile around noon of Friday September 25th, 2026.

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Earthquake Summary

This earthquake hit under water in the South Pacific Ocean, 25 kilometers (15 mi) off the coast of Chile, 69 kilometer southwest of San Antonio in Valparaíso. The center of this earthquake had a very shallow depth of 19 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time:	Sep 25, 2026 12:29 (Santiago Time) - Sep 25, 2026 15:29 Universal Time.
Location:	69 km SW of San Antonio, Valparaíso, Chile. Coordinates 33°59'25"S 72°11'2"W.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.2 Detected by 21 stations. Maximum Error Range ±0.068 .
Depth:	19 km (12 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 Chile . San Antonio in Valparaíso, Chile is the nearest significant place from the epicenter. The earthquake occurred 69 kilometer (43 mi) southwest of San Antonio.

Major cities near this earthquake: Santiago is located 154 km to the north-east. Puente Alto is located 154 km to the east. Viña del Mar is located 122 km to the north-east.

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

Overview of nearby places

Shaking reported by 8 people

People that feel an earthquake may report their experience to the US Geographic Survey. Currently, 8 people have reported shaking in 3 places, all within Chile.We keep updating this article as more ground reports become available. You may report that you felt this earthquake here.

Places with most reports:

• Santiago, Metropolitana, Chile: 5 people.
• Viña del Mar, Valparaíso, Chile: 2 people.
• Melipilla, Metropolitana, Chile: 1 person.

4 Aftershocks detected

Since this main shock, 4 smaller aftershocks were detected. At a distance of 29 km (18 mi) east of this earthquake, an aftershock struck 3 hrs later. It measured a magnitude of 3.2

In the days before this main shock, 13 smaller foreshocks were detected. A 4.4 magnitude earthquake hit 1 day earlier nearby.

Overview of foreshocks and aftershocks

More earthquakes coming?

The risk of aftershocks decreases rapidly over time. Usually, aftershocks are at least one order of magnitude lower than a main shock.

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. This is the strongest earthquake to hit since May 31st, 2026, when a 6 magnitude earthquake hit 132 km (82 mi) further north. An even stronger magnitude 6.9 earthquake struck on April 24th, 2017.

In total, 44 earthquakes with a magnitude of 5.2 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 3 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 18/10/26 02:18 (). 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 us6000txme
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20260925_0000199
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

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