M 4.6 in Japan on 17 Jul 2013 13:56 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: 4.6M
Depth: 64.8 Km
Lat/Lon: 35.6317 , 140.1773
Event Date: 17 Jul 2013 13:56 UTC
17 Jul 2013 22:56 Local
Exposed Population:
No people within 100km
Source: NEIC
Inserted at: 17 Jul 2013 17:26 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 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
1000699 0 17 Jul 2013 13:56 4.6M, 64.8km N/A No people affected (in 100km) 03:30 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 Kanto (population 38,543,000) . The nearest places are Chiba, and Sakura.

Radius Population
100 km no people
75 km no people
50 km no people
20 km 2.5 million people
10 km 770000 people
5 km 140000 people
2 km 19000 people

Affected Provinces

Country Region Province Population
Japan Kanto 38.5 million people
Japan Chubu 5.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Sakura Chiba Japan City 180000 people 6 km
Chiba Chiba Japan Major city 920000 people 10 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
Shimoshizu 30 4 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 20 km

Ports

Name LOCODE Country Distance
Anegasaki JPANE Japan 11 km
Chiba JPCHB Japan 11 km
Goi JPGOI Japan 18 km
Katunan Ko Japan 20 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 96 km

More information

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