M 8 Earthquake and Tsunami (1.7 m) in Russia on 29 Jul 2025 23:24 UTC

Hazard models

Rapid Impact
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 8.0M
Depth: 73.9 Km
Event Date: 29 Jul 2025 23:24 UTC
30 Jul 2025 10:24 Local
Exposed Population: 250 thousand (in MMI>=VII)
Source: PTWC pt25210002
Inserted at: 29 Jul 2025 23:34 UTC
INFORM Coping capacity of the alert score:
1.1 (Russia)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
PTWC 1.5 1.3 1.5
pt25210002 Scaled population (vector) 4.19 Max wave alert 1.66m  
  C1 rapid impact -0.59 Max wave realtime 1.66m  
  C2 rapid impact 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.94      
Maximum expected impact using different data sources.
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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.

Tsunami affected locations

The maximum Wave height is  1.7m in Staryy Ostrogo, Russia. This height is estimated for 30-Jul-2025 01:12:74.

Level Date (UTC) Name Country Wave height (m)
30-Jul-2025 01:12:74 Staryy Ostrogo Russia  1.7
30-Jul-2025 01:12:74 Ostrovnoye Russia  1.7
30-Jul-2025 00:52:37 Nalacheva Russia  1.6
30-Jul-2025 00:29:66 Ostrovnaya Russia  1.2
29-Jul-2025 23:46:36 Kalakhtyrka Russia  1.1
29-Jul-2025 23:54:67 Ust-Kotelnoye Russia  1.0
30-Jul-2025 01:06:48 Utashud Russia  0.7
30-Jul-2025 00:37:02 Vodopadnaya Russia  0.6
30-Jul-2025 03:50:46 Baikovo Russia  0.6
30-Jul-2025 04:23:86 Lopatka Russia  0.5
30-Jul-2025 00:36:83 Bol'shaya Kalygir' Russia  0.4
30-Jul-2025 03:55:93 Babushkino Russia  0.3
30-Jul-2025 00:39:65 Kitovyy Russia  0.3
30-Jul-2025 00:39:65 Kitova Russia  0.3
30-Jul-2025 02:34:18 Pribrezhnyy Russia  0.3
30-Jul-2025 02:34:18 Kamenistyy Russia  0.3
30-Jul-2025 02:49:45 Kronoki Russia  0.3
30-Jul-2025 03:57:07 Matsu-kawa Fishery Russia  0.3
30-Jul-2025 03:57:07 Galkino Russia  0.3
30-Jul-2025 03:17:66 Zhupanovo Russia  0.3
30-Jul-2025 02:12:32 Navy Town United States  0.2
30-Jul-2025 04:17:74 Podgornoye Russia  0.2
30-Jul-2025 03:27:63 Village United States  0.2
30-Jul-2025 03:17:74 Vasilyevo Russia  0.2
30-Jul-2025 03:49:37 Grotava Russia  0.2
30-Jul-2025 04:06:15 Talkino Russia  0.2
30-Jul-2025 02:03:61 Semenovka Russia  0.2
30-Jul-2025 01:24:92 Ust-kamchatsk Russia  0.2
30-Jul-2025 01:38:51 Shubertovo Russia  0.2
30-Jul-2025 04:22:16 Olyutorskiy Russia  0.2
30-Jul-2025 03:39:63 Vatyna Russia  0.2
30-Jul-2025 04:27:29 Apuka Russia  0.2
30-Jul-2025 04:06:66 Il'pi Russia  0.1
30-Jul-2025 04:08:88 Kasatka Russia  0.1
30-Jul-2025 04:21:36 Ozernovskiy Russia  0.1
30-Jul-2025 00:10:97 Nikolskoye Russia  0.1
30-Jul-2025 02:44:39 Severnoye Russia  0.1
30-Jul-2025 02:44:39 Seleniye Russia  0.1
30-Jul-2025 04:35:63 Kultushino Russia  0.1
30-Jul-2025 04:34:52 Kultushnoe Russia  0.1
30-Jul-2025 02:48:36 Krasnaya Russia  0.1
30-Jul-2025 04:22:16 Otradnoye Russia  0.1
30-Jul-2025 04:11:06 Koshegochek Russia  0.1
30-Jul-2025 02:03:31 Sarannove Russia  0.1
30-Jul-2025 04:08:88 Kavacha Russia  0.1
30-Jul-2025 03:23:22 Yemet Russia  0.1
30-Jul-2025 03:59:23 Pakhachi Russia  0.1
30-Jul-2025 04:24:34 Tkeenmon Russia  0.1
30-Jul-2025 04:08:85 Koshegochen Russia  0.1
30-Jul-2025 00:00:43 240NM SE of Kamchatka Peninsula  0.1
30-Jul-2025 03:40:74 Lyuri Russia  0.1
30-Jul-2025 00:01:15 Podutesnaya Russia  0.1
30-Jul-2025 00:29:76 175 NM S of Attu AK  0.1
30-Jul-2025 04:19:57 Svetloye Japan  0.1
30-Jul-2025 04:03:75 Nemuro Japan  0.1
30-Jul-2025 04:03:75 Tomoshiri Japan  0.1
30-Jul-2025 04:12:21 Moraito Japan  0.1
30-Jul-2025 03:42:46 Bolsheretsk Russia  0.1
30-Jul-2025 03:17:66 Kastrikum Russia  0.1
30-Jul-2025 03:40:54 Ryabinovka Russia  0.1
30-Jul-2025 03:18:84 Druzhnyy Russia  0.1
30-Jul-2025 04:06:44 Nov' Russia  0.1
30-Jul-2025 04:06:44 Mysovaya Russia  0.1
30-Jul-2025 04:05:84 Selivanovka Russia  0.1
30-Jul-2025 04:05:84 Iodnyy Russia  0.1
30-Jul-2025 04:36:89 Olyutorka Russia  0.1
30-Jul-2025 04:19:57 Kostochko Russia  0.1
30-Jul-2025 01:52:37 Medvezhska Russia  0.1
30-Jul-2025 01:58:05 Korf Russia  0.1
30-Jul-2025 02:21:13 Tilichiki Russia  0.1

See full locations list (RSS)


Initial conditions

Title: ""131 km SE of Petropavlovsk-Kamchatsky""

Fault parameters

  • Latitude: 52.209
  • Longitude: 159.979
  • Length: 158 km
  • Width: 44 km
  • Magnitude: 8 M

Okada parameters:

  • Slip: 4 m
  • Strike: 218 (geogr angle: north=0, south=180)
  • Dip: 29 degree
  • Rake: 90 degree
  • Depth: 74 km

Calculation parameters

  • Calculation space (lon/lat): 144.979, 37.209, 174.979, 67.209
  • Instead of Step -> use Cell size:2.5 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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