M 4.9 in Hokkaido, Japan Region on 03 Sep 2014 22:49 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: 4.9M
Depth: 42.02 Km
Lat/Lon: 42.81 , 142.67
Event Date: 03 Sep 2014 22:49 UTC
04 Sep 2014 07:49 Local
Exposed Population:
1272965 people within 100km
Source: NEIC
Inserted at: 03 Sep 2014 23:18 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0
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.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1059321 0 03 Sep 2014 22:49 4.9M, 42.02km N/A 1.3 million (in 100km) 00:28 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 , Region of Hokkaido (population 5,808,054) . The nearest places are Sapporo, and Chiroro.

Radius Population
100 km 1.3 million people
75 km 500000 people
50 km 270000 people
20 km 2400 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Chiroro Hokkaido Japan Village - 14 km
Sapporo Hokkaido Japan Major city 1.9 million people 111 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Sado Shima SDS unknown 21 km
Tokachi 84 Civ. Paved Yes 4900 41 km
Obihiro OBO 149 Civ. Paved Yes 8200 46 km

Ports

Name LOCODE Country Distance
Samani JPSAM Japan 79 km
Otsu JPOTU Japan 81 km
Tokachi JPTOK Japan 82 km
Tomakomai JPTMK Japan 88 km

Dams

Reservoir Dam Name River Year Distance
Poroshiriko Okunikappu Nikappugawa 1963 15 km

More information

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