M 4.5 in Japan on 09 Aug 2015 09:18 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: 4.5M
Depth: 56.9 Km
Lat/Lon: 35.3978 , 140.058
Event Date: 09 Aug 2015 09:18 UTC
09 Aug 2015 18:18 Local
Exposed Population:
35543576 people within 100km
Source: NEIC
Inserted at: 09 Aug 2015 22:09 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
1091514 0 09 Aug 2015 09:18 4.5M, 56.9km N/A 35.5 million (in 100km) 12:50 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 Anegasaki.

Radius Population
100 km 35.5 million people
75 km 31 million people
50 km 16 million people
20 km 640000 people
10 km 140000 people
5 km 17000 people
2 km 2800 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Anegasaki Chiba Japan Village - 8 km
Chiba Chiba Japan Major city 920000 people 23 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
Kisarazu 3 Mil. Paved Yes 6000 14 km
Shimoshizu 30 29 km

Ports

Name LOCODE Country Distance
Kisarazu JPKZU Japan 13 km
Goi JPGOI Japan 15 km

Dams

Reservoir Dam Name River Year Distance
Takatakiko Takataki Yorogawa 1990 9 km
Yamakura Yamakura Yamakuragawa 1964 12 km
Kori Kori Korigawa 1972 18 km
Kameyamako Kameyama Obitsugawa 1980 19 km

More information

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