M 4.6 in Japan on 15 Apr 2016 22:23 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: 10 Km
Lat/Lon: 32.7572 , 130.7381
Event Date: 15 Apr 2016 22:23 UTC
16 Apr 2016 07:23 Local
Exposed Population:
7818100 people within 100km
Source: NEIC
Inserted at: 15 Apr 2016 22:57 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
1125438 0.1 15 Apr 2016 22:23 4.8M, 10km N/A 7.8 million (in 100km) 00:18 NEIC
1125440 0 15 Apr 2016 22:23 4.6M, 10km N/A 7.8 million (in 100km) 00:33 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 Kyushu (population 13,296,000) . The nearest places are Kumamoto, Nagasaki, Saga, Miyazaki, Oita, Fukuoka, Kagoshima, Ozu, Matsubase, Tomochi, and Nishiyama.

Radius Population
100 km 7.8 million people
75 km 3.7 million people
50 km 1.8 million people
20 km 970000 people
10 km 640000 people
5 km 210000 people
2 km 11000 people

Affected Provinces

Region Province Country Population
Kyushu Japan 13.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Kumamoto Kumamoto Japan Major city 680000 people 6 km
Kiyama Kumamoto Japan Village - 9 km
Takahashi Kumamoto Japan Village - 12 km
Iwashita Kumamoto Japan Village - 13 km
Ozu Kumamoto Japan Village 26000 people 14 km
Uto Kumamoto Japan Village 39000 people 14 km
Nishiyama Kumamoto Japan Village - 14 km
Matsubase Kumamoto Japan City 26000 people 15 km
Ueki Kumamoto Japan Village 31000 people 16 km
Tomochi Kumamoto Japan Village - 19 km
Tamana Kumamoto Japan Village 45000 people 19 km
Ogawa Kumamoto Japan Village - 20 km
Saga Saga Japan Major city 170000 people 69 km
Nagasaki Nagasaki Japan Major city 410000 people 85 km
Oita Oita Japan Major city 420000 people 94 km
Fukuoka Fukuoka Japan Major city 1.4 million people 97 km
Miyazaki Miyazaki Japan Major city 310000 people 113 km
Kagoshima Kagoshima Japan Major city 550000 people 134 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
Kumamoto KMJ 196 Civ. Paved Yes 9800 12 km
Saga HSG 2 Civ. Paved Yes 6500 61 km
Amakusa 103 65 km

Ports

Name LOCODE Country Distance
Misumi JPMIS Japan 33 km
Yatsushiro Japan 34 km
Shimabara JPSMB Japan 37 km

Dams

Reservoir Dam Name River Year Distance
Fukasako Fukasako Fukasakogawa 1974 10 km
Higomidorikawako Midorikawa Midorikawa 1970 20 km

More information

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