M 7.8 Earthquake and Tsunami (1.9 m) in Russia on 18 Sep 2025 18:58 UTC

Event summary

This earthquake can have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1500811
Earthquake Magnitude: 7.8M
Glide number: EQ-2025-000166-RUS
Depth: 19.5 Km
Lat/Lon: 53.1928 , 160.5129
Event Date: 18 Sep 2025 18:58 UTC
19 Sep 2025 05:58 Local
Exposed Population: 1 thousand (in MMI>=VII)
Inserted at: 18 Sep 2025 20:42 UTC
INFORM Coping capacity:
1.1 (Russia)
Maximum Wave Height observed: 0.06 m

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0.9 1.4 1.4
us7000qx2g Scaled population (raster) 2.97 Max wave alert 1.86m  
  C1 shakemap -0.59 Max wave realtime 1.86m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.94      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Russia - Earthquake (ECHO 24 Sep 2025)Fri, 19 Sep 2025 09:49

  • An earthquake of 7.8 M at a depth of 19.5 km occurred in the northern Pacific Ocean, 32 km east of the coast of the Kamchatka Peninsula in Russia on 18 September at 18.58 UTC (19 September at 05.58 local time). The epicentre was approximately 127 km  east of Petropavlovsk in Kamchatsky, the Russian Far East region. At least four aftershocks with a magnitude between 5.6 and 5.8 have been reported in the area.
  • The Pacific Tsunami Warning Centre issued a tsunami threat for the coast located within 1,000 km from the epicenter, including Shemya Island in Alaska, which was then cancelled.
  • USGS PAGER estimates that up to 255,000 people were exposed to strong shaking.
  • According to media, there are no reports of any damage or casualties.
  • The Kamchatka Peninsula experienced an 8.8 M earthquake on 30 July, and a 7.4 M earthquake on 15 September.
Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (90), NEIC (6), OCHA (1), WMO (2), USGS (5), (3), INFORM (4),