M 8.7 Earthquake and Tsunami (6.1 m) in Russia from 29 Jul 2025 23:24 UTC to 23:24

Hazard models

Rapid Impact
Shakemap
Tsunami

Event summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 8.7M
Depth: 18.2 Km
Lat/Lon: 52.5097 , 160.261
Event Date: 29 Jul 2025 23:24 UTC
30 Jul 2025 10:24 Local
Exposed Population: 260 thousand (in MMI>=VII)
Source: NEIC us6000qw60
Inserted at: 30 Jul 2025 00:23 UTC
INFORM Coping capacity of the alert score
1.1 (Russia)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 1.9 3.5 3.5
us6000qw60 Scaled population (raster) 4.93 Max wave alert 6.06m  
  C1 shakemap -0.59 Max wave realtime 6.06m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.94      
Maximum expected impact using different data sources.

Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1651234 1.5 29 Jul 2025 23:24 8M, 73.9km N/A 250 thousand (in 100km) 1.7m (at 01:48) 00:09 PTWC
1651237 1.5 29 Jul 2025 23:24 8M, 74km 7.08 250 thousand (in 100km) 1.4m (at 00:39) 00:11 NTWC
1651240 1.8 29 Jul 2025 23:24 8M, 19.3km 6.97 2 thousand (in MMI>=VII) 2.7m (at 00:54) 00:20 NEIC
1651252 3.5 29 Jul 2025 23:24 8.7M, 18.2km 7.86 260 thousand (in MMI>=VII) 6.1m (at 01:31) 00:59 NEIC
1651280 4.1 29 Jul 2025 23:24 8.8M, 20.7km 8.29 270 thousand (in MMI>=VII) 7.3m (at 01:36) 02:08 NEIC
1652680 5.4 29 Jul 2025 23:24 8.8M, 35km 8.81 270 thousand (in MMI>=VII) 9.9m (at 01:43) 3d 22:11 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened off shore.

Radius Population
100 km <1000 people
75 km <1000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.