Shallow M5.4 Earthquake hit in the Andaman Or Burma Sea 278km from Port Blair (India) on Wednesday Morning.

Written by Earthquakelist.org on June 25th, 2025. Last updated July 19th, 2025.

In the Andaman Or Burma Sea 278 kilometer from Port Blair, India, a shallow and significant Magnitude 5.4 earthquake occurred in the morning of Wednesday June 25th, 2025. Shaking may have been felt by a total of 50 thousand people.

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Earthquake Summary

This earthquake hit under water in the Andaman Or Burma Sea, 124 kilometers (77 mi) off the coast of India, 278 kilometer south-southeast of Port Blair in Andaman and Nicobar. 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:	Jun 25, 2025 07:03 (Kolkata Time) - Jun 25, 2025 01:33 Universal Time.
Location:	278 km SSE of Port Blair, Andaman and Nicobar, India. Coordinates 9°26'11"N 93°53'36"E.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.4 Detected by 14 stations. Maximum Error Range ±0.083 .
Depth:	10 km (6 mi) A very shallow depth.
Max. Intensity:	IV Light On the Modified Mercalli Scale.
Tsunami Risk:	Low tsunami risk Earthquakes under MAG-6.5 do not usually cause tsunami's. Always stay cautious - More info here.

Minimal impact predicted

Based on scientific estimates by the US Geographic Survey (USGS), the risk of high fatalities for this earthquake is classified at level GREEN (low). They expect an 65% likelyhood of between 0 and 1 fatalities, and a 96% chance that the number of fatalities falls no higher than 10.

The USGS classifies the economic impact of this earthquake at level GREEN (low). They expect an 65% likelyhood of between 0 and 1 million US Dollars in economic damage and impact, and a 96% chance that the economic impact of this earthquake falls no higher than 10 million USD.

Roughly 50 thousand people exposed to shaking

The USGS has published a report estimating the number of people exposed to this earthquake. Acoording to their analysis, roughly 50 thousand have been exposed to shaking at an MMI level of II or higher.

An estimated 1,270 people were exposed to level IV. At this level, light shaking and likely no damage can be expected. Intensity level III was experienced by the majority of people (around 50 thousand). In their region, weak shaking and probably no damage can be expected. All exposure to shaking was within the borders of India .

Nearby towns and cities

This earthquake may have been felt in India . Port Blair in Andaman and Nicobar, India is the nearest significant place from the epicenter. The earthquake occurred 278 kilometer (173 mi) south-southeast of Port Blair.

Overview of nearby places

Earthquake Intensity Map

The graph below overlays a map of the region around the epicenter with earthquake intensity data provided by the US Geographic Survey. The highest intensity level detected for this earthquake is IV.

I Not felt

II Weak

III Weak

IV Light

V Moderate

VI Strong

VII Very Strong

VIII Severe

IX Violent

X Extreme

Shaking reported by 1 person

People that feel an earthquake may report their experience to the US Geographic Survey. Currently, 1 person has reported shaking in one place in India.We keep updating this article as more ground reports become available. You may report that you felt this earthquake here.

Places with most reports:

• Vengavasal, Tamil Nadu, India: 1 person.

10 Aftershocks detected

Since this main shock, 10 smaller aftershocks were detected. A 5 magnitude earthquake hit 3 days later 6 km (3 mi) northwest of this earthquake.

Before this earthquake struck, 18 smaller foreshocks occurred. Roughly 12 hrs before this earthquake, a foreshock measuring MAG-4.9 was detected nearby this earthquake.

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.

It's always adviced to be cautious of the risk of a larger shock following any significant earthquake, however this risk is fairly small. There is a roughly 94 percent change that no larger main shock will follow in the days following this 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 July 28th, 2023, when a 5.9 magnitude earthquake hit 128 km (80 mi) further north-northwest. An even stronger magnitude 6.1 earthquake struck on August 3rd, 2021.

In total, 20 earthquakes with a magnitude of 5.4 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 6 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 19/07/25 01:18 (). This article is automatically generated based on available data. We keep checking multiple sources for additional information. This article gets updated as new details on this earthquake become available.

1. US Geographic Society (USGS): Earthquake us7000q8l7
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20250625_0000015
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

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