M 5.6 in Japan on 22 Mar 2023 07:37 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: 5.6M
Depth: 35.412 Km
Lat/Lon: 40.3031 , 143.0358
Event Date: 22 Mar 2023 07:37 UTC
22 Mar 2023 17:37 Local
Exposed Population: 80 thousand in MMI III
Source: NEIC us7000jlw8
Inserted at: 22 Mar 2023 07:58 UTC
INFORM Coping capacity of the alert score
1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000jlw8 Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 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
1496805 0 22 Mar 2023 07:37 5.6M, 35.412km 3.37 N/A (in MMI>=VII) 00:21 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 no 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.

Ports

Name LOCODE Country Distance
Fudai Japan 99 km

More information

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