M 4.8 in Russian Federation on 04 May 2021 19:33 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 4.8M
Depth: 57.47 Km
Lat/Lon: 43.3468 , 146.4972
Event Date: 04 May 2021 19:33 UTC
05 May 2021 05:33 Local
Exposed Population:
About 38000 people within 100km
Source: NEIC us7000e04g
Inserted at: 04 May 2021 21:27 UTC
INFORM Coping capacity of the alert score
4.6 (Russia)
INFORM Coping capacity of the affected contries: Russia= 4.6; Japan= 1.5

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000e04g Scaled population (vector) 4.19  
  C1 earthquake 0.74  
  C2 earthquake -0.13  
  Country Vulnerability -0.43  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1373590 0 04 May 2021 19:33 4.8M, 57.47km N/A 40 thousand (in 100km) 01:54 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 in Russian Federation , Region of Sakhalinskaya oblast' (population 731,237) . The nearest places are Kafenotsu, Nishimae, Pontokomoi, Tokkariiso, Kamenka, Kitaura, Sunahama, Aitomari, Kombuusu, Ayvazovskoye, and Shikotan.

Radius Population
100 km 38000 people
75 km 26000 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Sakhalinskaya oblast' Russian Federation 730000 people
Hokkaido Japan 5.8 million people
Tohoku Japan 10 million people

Affected populated places

Name Region Province Country City class Population Distance
Kafenotsu Sakhalinskaya Russia Village - 32 km
Nishimae Sakhalinskaya Russia Village - 33 km
Pontokomoi Sakhalinskaya Russia Village - 34 km
Tokkariiso Sakhalinskaya Russia Village - 35 km
Kamenka Sakhalinskaya Russia Village - 36 km
Kitaura Sakhalinskaya Russia Village - 38 km
Sunahama Sakhalinskaya Russia Village - 38 km
Aitomari Sakhalinskaya Russia Village - 40 km
Kombuusu Sakhalinskaya Russia Village - 43 km
Ayvazovskoye Sakhalinskaya Russia Village - 46 km
Akiajiba Sakhalinskaya Russia Village - 47 km
Masuba Sakhalinskaya Russia Village - 48 km
Zeikomae Sakhalinskaya Russia Village - 49 km
Moshirikeshi Sakhalinskaya Russia Village - 51 km
Kekkyowan Sakhalinskaya Russia Village - 51 km
Anama Sakhalinskaya Russia Village - 56 km
Nassafu Hokkaido Japan Village - 56 km
Hikiushi Hokkaido Japan Village - 60 km
Kambaraiso Sakhalinskaya Russia Village - 61 km
Shikotan Sakhalinskaya Russia Village - 64 km

see full list

Critical infrastructure

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

Ports

Name LOCODE Country Distance
Shakotan Russia 64 km
Hanasaki Japan 74 km
Nemuro JPNEM Japan 75 km
Golovino Russia 85 km
Yuzhno Kurilsk Russia 91 km

More information

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