On Tuesday Evening a Shallow M5.4 AFTERSHOCK struck in the North Pacific Ocean 148km from Petropavlovsk-Kamchatsky (Russia).

Written by Earthquakelist.org on November 4th, 2025. Last updated November 9th, 2025.

A shallow and significant MAG-5.4 aftershock struck in the North Pacific Ocean 148 kilometer from Petropavlovsk-Kamchatsky, Russia in the evening of Tuesday November 4th, 2025. Roughly 260 thousand people may have felt this earthquake.

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Earthquake Summary

This earthquake hit under water in the North Pacific Ocean, 99 kilometers (62 mi) off the coast of Russia, 148 kilometer south-east of Petropavlovsk-Kamchatsky in Kamchatka. The center of this earthquake had a very shallow depth of 24 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time:	Nov 4, 2025 18:28 (Kamchatka Time) - Nov 4, 2025 06:28 Universal Time.
Location:	148 km SE of Petropavlovsk-Kamchatsky, Kamchatka, Russia. Coordinates 52°16'44"N 160°24'20"E.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.4 Detected by 529 stations. Maximum Error Range ±0.025 .
Depth:	24 km (15 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 260 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 260 thousand have been exposed to shaking at an MMI level of II or higher.

Light shaking and likely no damage may have been experienced by an estimated 10 people. At IV, it is the highest MMI level this earthquake has caused. The majority of people (roughly 260 thousand) live in an area exposed to level III, where weak shaking and probably no damage is expected. All exposure to shaking was within the borders of Russia .

Nearby towns and cities

This earthquake may have been felt in Russia . Petropavlovsk-Kamchatsky in Kamchatka, Russia is the nearest significant place from the epicenter. The earthquake occurred 148 kilometer (92 mi) south-east of Petropavlovsk-Kamchatsky. The intensity of shaking and damage in Petropavlovsk-Kamchatsky is estimated to be around level III on the Modified Mercalli Intensity scale (weak shaking, probably no damage).

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

This is likely an aftershock

This earthquake was an aftershock. A larger mag. 6.1 earthquake struck 10 km (6 mi) south in advance of this 5.4 earthquake around 22 hrs earlier.

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.

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. In total, 132 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 28 days.

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 09/11/25 06:08 (). 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 us6000rlc6
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20251104_0000138
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

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