M 6.1 in Japan on 25 Feb 2023 13:27 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: 6.1M
Depth: 42.866 Km
Lat/Lon: 42.7507 , 145.1347
Event Date: 25 Feb 2023 13:27 UTC
25 Feb 2023 23:27 Local
Exposed Population: 10 thousand in MMI V
Source: NEIC us6000jrjl
Inserted at: 25 Feb 2023 13:46 UTC
INFORM Coping capacity of the alert score: 1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us6000jrjl Scaled population (raster) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1492097 0 25 Feb 2023 13:27 6.1M, 42.866km 4.92 N/A (in MMI>=VII) N/A 00:18 NEIC
1492114 0 25 Feb 2023 13:27 6M, 50.181km 4.7 N/A (in MMI>=VII) N/A 00:48 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Japan ,of Hokkaido (population 5,808,054) . The alertlevel for this event is GREEN

Intensity Population
12000 people

Affected Provinces

Intensity Region Province Country Population
Hokkaido Japan 8300 people
Hokkaido Japan 200000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Mo-chirippu Hokkaido Japan Village - 32 km
Kiritappu Hokkaido Japan Village - 36 km
Akkeshi Hokkaido Japan Village - 39 km
Shinryu Hokkaido Japan Village - 41 km
Itoizawa Hokkaido Japan Village - 43 km
Atoega Hokkaido Japan Village - 43 km
Monshizu Hokkaido Japan Village - 44 km
Hamanaka Hokkaido Japan Village - 45 km
Oboro Hokkaido Japan Village - 46 km
Moraito Hokkaido Japan Village - 46 km
Kumaushi Hokkaido Japan Village - 51 km
Kami-oboro Hokkaido Japan Village - 52 km
Atsutoko Hokkaido Japan Village - 53 km
Kombumori Hokkaido Japan Village - 54 km
Futakobe Hokkaido Japan Village - 55 km
Svetloye Hokkaido Japan Village - 57 km
Yamagata-dantai Hokkaido Japan Village - 58 km
Higashigosen Hokkaido Japan Village - 58 km
Takkomu Hokkaido Japan Village - 64 km
Karikan Hokkaido Japan Village - 64 km
Fushiko-tobuto Hokkaido Japan Village - 65 km
Nishi-wada Hokkaido Japan Village - 66 km
Kushiro Hokkaido Japan City 23000 people 66 km
Kami-nishibetsu Hokkaido Japan Village - 69 km
Nishibetsu Hokkaido Japan Village - 71 km
Bekkai Hokkaido Japan Village - 71 km
Gojikkoku Hokkaido Japan Village - 72 km

see full list

Critical infrastructure

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

Ports

Intensity Name LOCODE Country Distance
Akkeshi JPAKE Japan 39 km
Kushiro JPKUH Japan 67 km

More information

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