M 4.6 in Russia on 20 Oct 2023 09:48 UTC

Hazard models

Rapid Impact
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: 4.6M
Depth: 52.8 Km
Lat/Lon: 49.0898 , 155.1177
Event Date: 20 Oct 2023 09:48 UTC
20 Oct 2023 19:48 Local
Exposed Population:
Few people affected in MMI&>=II
Source: NEIC us6000lgvk
Inserted at: 20 Oct 2023 10:47 UTC
INFORM Coping capacity of the alert score
1.1 (Russia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us6000lgvk Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1531658 0 20 Oct 2023 09:48 4.6M, 52.8km 2.79 Few people (in 100km) 00:58 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

Affected populated places

Name Region Province Country City class Population Distance
Onekotan Sakhalinskaya Russia Village - 40 km
Severgino Sakhalinskaya Russia Village - 47 km

see full list

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.