M 5.9 in Japan on 12 Jan 2021 02:39 UTC
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: 5.9M
Depth: 211.45 Km
Lat/Lon: 43.7027 , 139.9953
Event Date: 12 Jan 2021 02:39 UTC
12 Jan 2021 11:39 Local
Exposed Population: 1050000 people in MMI>=IV
130000 people within 100km
Source: NEIC us6000d7ml
Inserted at: 12 Jan 2021 02:55 UTC
INFORM Coping capacity of the alert score: 1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us6000d7ml Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1352459 0 12 Jan 2021 02:39 5.9M, 211.45km 3.67 less than 100 (in MMI>=VII) 00:16 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 Japan ,of Hokkaido (population 5,808,054) . The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1352459 43.703/139.995 5.9 211.4 3.678 12 Jan 2021 03:01 00:21 (new episode)
2 0 1352459 43.703/139.995 5.9 211.4 3.678 12 Jan 2021 04:45 02:05 (upd of #1)
3 0 1352459 43.708/139.987 5.9 213.6 3.665 12 Jan 2021 15:28 12:49 (upd of #2)
4 0 1352459 43.708/139.987 5.9 213.6 3.665 13 Jan 2021 02:46 1d 00:06 (upd of #3)
5 0 1352459 43.675/140.017 5.9 214.0 3.668 13 Jan 2021 05:12 1d 02:32 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Hokkaido Japan 780000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Notsuka Hokkaido Japan Village - 55 km
Kurokawacho Hokkaido Japan Village - 86 km
Iwanai Hokkaido Japan City 15000 people 91 km
Bannaguro Hokkaido Japan Village - 122 km
Tobetsu Hokkaido Japan Village - 135 km
Shinotsu Hokkaido Japan Village - 140 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Sapporo OKD 8 Civ. Paved Yes 4500

More information

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