M 5.5 in Japan on 29 Dec 2018 19:08 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: 58.28 Km
Lat/Lon: 42.2718 , 143.2251
Event Date: 29 Dec 2018 19:08 UTC
30 Dec 2018 04:08 Local
Exposed Population: About 8000 people in MMI
390000 people within 100km
Source: NEIC us2000iyzj
Inserted at: 29 Dec 2018 19:29 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
us2000iyzj Scaled population (vector) 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
1243064 0 29 Dec 2018 19:08 5.5M, 58.28km 6.7 N/A (in MMI>=VII) 00:20 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 6,840) . The alertlevel for this event is GREEN

Intensity Population
8600 people
21000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1243064 42.272/143.225 5.5 58.3 6.351 29 Dec 2018 19:31 00:22 (new episode)
2 0 1243064 42.272/143.225 5.5 58.3 6.351 29 Dec 2018 20:35 01:27 (upd of #1)
3 0 1243064 42.272/143.225 5.5 58.3 6.351 29 Dec 2018 21:14 02:06 (upd of #2)
4 0 1243064 42.272/143.225 5.5 58.3 6.703 30 Dec 2018 19:11 1d 00:03 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Hokkaido Japan 8600 people
Hokkaido Japan 21000 people
Hokkaido Japan 22000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Hiroo Hokkaido Japan Village - 7 km
Kami-notsuka Hokkaido Japan Village - 12 km
Toyoni Hokkaido Japan Village - 13 km
Onitoppu Hokkaido Japan Village - 17 km
Taiki Hokkaido Japan Village - 25 km
Kurambetsu Hokkaido Japan Village - 27 km
Aiboshima Hokkaido Japan Village - 28 km
Chipira Hokkaido Japan Village - 28 km
Horoizumi Hokkaido Japan Village - 29 km
Oda Hokkaido Japan Village - 29 km
Samani Hokkaido Japan Village - 31 km
Churui Hokkaido Japan Village - 33 km
Nishicha Hokkaido Japan Village - 33 km
Erimo Hokkaido Japan Village - 37 km
Urakawa Hokkaido Japan Village - 39 km
Oikamanae Hokkaido Japan Village - 42 km
Moto-sarabetsu Hokkaido Japan Village - 42 km
Naka-satsunai Hokkaido Japan Village - 42 km
Utabue Hokkaido Japan Village - 44 km
Komahata Hokkaido Japan Village - 45 km
Ogifushi Hokkaido Japan Village - 46 km
Kerimabu Hokkaido Japan Village - 49 km
Ohira Hokkaido Japan Village - 49 km
Mikawa Hokkaido Japan Village - 50 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) Distance
Obihiro OBO 149 Civ. Paved Yes 8200 51 km

Ports

Intensity Name LOCODE Country Distance
Tokachi JPTOK Japan 8 km
Samani JPSAM Japan 30 km

Dams

Intensity Reservoir Dam Name River Year Distance
Horomanko Horomangawadaisan Horomangawa 1954 20 km
Samaniko Samani Samanigawa 1974 24 km

More information

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