M 5.5 in Japan on 30 Dec 2016 20:08 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: 5.5M
Depth: 11.94 Km
Lat/Lon: 37.3973 , 141.4103
Event Date: 30 Dec 2016 20:08 UTC
31 Dec 2016 05:08 Local
Exposed Population: 680000 people within 100km
Source: NEIC us10007ntd
Inserted at: 30 Dec 2016 20:27 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10007ntd Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
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
1152450 0 30 Dec 2016 20:08 5.5M, 11.94km N/A 690 thousand (in 100km) 00:18 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 Tohoku (population 937) . 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 1152450 37.397/141.41 5.5 11.94 0 30 Dec 2016 20:28 00:20 (new episode)
2 0 1152450 37.397/141.41 5.5 11.94 0 30 Dec 2016 22:13 02:05 (upd of #1)
3 0 1152450 37.397/141.41 5.5 11.94 0 08 Feb 2017 07:16 39d 11:08 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Tohoku Japan <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Tomioka Fukushima Japan Village - 36 km
Namie Fukushima Japan Village 22000 people 38 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.