M 4.6 in Japan on 23 May 2017 14:16 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: 26.87 Km
Lat/Lon: 30.8335 , 131.3971
Event Date: 23 May 2017 14:16 UTC
23 May 2017 23:16 Local
Exposed Population:
350000 people within 100km
Source: NEIC us10008ueb
Inserted at: 23 May 2017 15:21 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10008ueb Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1168752 0 23 May 2017 14:16 4.6M, 26.87km N/A 350 thousand (in 100km) 01:04 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 Minato, Iseki, Yanagihara, Guniwa, Shoiiura, Anno, Kunikami, Kunigami, Azako, Yokoyama, and Shimonaka.

Radius Population
100 km 350000 people
75 km 59000 people
50 km 16000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Kyushu Japan 13.3 million people
Shikoku Japan 4.3 million people
Chugoku Japan 8 million people

Affected populated places

Name Region Province Country City class Population Distance
Minato Kagoshima Japan Village - 32 km
Iseki Kagoshima Japan Village - 33 km
Yanagihara Kagoshima Japan Village - 33 km
Guniwa Kagoshima Japan Village - 34 km
Shoiiura Kagoshima Japan Village - 34 km
Anno Kagoshima Japan Village - 34 km
Kunikami Kagoshima Japan Village - 35 km
Kunigami Kagoshima Japan Village - 35 km
Azako Kagoshima Japan Village - 36 km
Yokoyama Kagoshima Japan Village - 37 km
Osaki Kagoshima Japan Village - 38 km
Kerisaki Kagoshima Japan Village - 38 km
Komakino Kagoshima Japan Village - 39 km
Ono Kagoshima Japan Village - 40 km
Yakenota Kagoshima Japan Village - 40 km
Anjo Kagoshima Japan Village - 40 km
Nishinoomote Kagoshima Japan Village 18000 people 40 km
Hiramatsu Kagoshima Japan Village - 41 km
Tachiyama Kagoshima Japan Village - 42 km
Kurazami Kagoshima Japan Village - 42 km
Furuta Kagoshima Japan Village - 42 km
Mampa Kagoshima Japan Village - 44 km
Ikenohira Kagoshima Japan Village - 45 km
Jusamban Kagoshima Japan Village - 45 km
Jurokuban Kagoshima Japan Village - 46 km
Sumiyoshi Kagoshima Japan Village - 46 km
Nijuban Kagoshima Japan Village - 47 km
Fukagawa Kagoshima Japan Village - 48 km
Makigawa Kagoshima Japan Village - 48 km
Masuda Kagoshima Japan Village - 49 km
Hamatsuwaki Kagoshima Japan Village - 50 km
Takenokawa Kagoshima Japan Village - 50 km
Nakayama Kagoshima Japan Village - 51 km
Odaira Kagoshima Japan Village - 52 km
Hayama Kagoshima Japan Village - 53 km
Takabo Kagoshima Japan Village - 53 km
Takeyano Kagoshima Japan Village - 54 km
Noma Kagoshima Japan Village - 55 km
Onasu Kagoshima Japan Village - 55 km
Mitariyama Kagoshima Japan Village - 56 km
Miza Kagoshima Japan Village - 56 km
Higashi Kagoshima Japan Village - 57 km
Sakai Kagoshima Japan Village - 59 km
Miyanoura Miyazaki Japan Village - 59 km
Hamada Kagoshima Japan Village - 60 km
Hirayama Kagoshima Japan Village - 61 km
Hirota Kagoshima Japan Village - 61 km
Igatan Kagoshima Japan Village - 62 km
Nakamura Kagoshima Japan Village - 63 km
Osaki Kagoshima Japan Village - 63 km
Oriikuno Kagoshima Japan Village - 65 km
Takesaki Kagoshima Japan Village - 66 km
Kaminaka Kagoshima Japan Village - 66 km
Shimama Kagoshima Japan Village - 67 km
Honjo Miyazaki Japan Village - 67 km
Ushino Kagoshima Japan Village - 68 km
Shimonaka Kagoshima Japan Village - 69 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
Nishinoomote IIN unknown 0 35 km
Tanegashima TNE 97 Civ. Paved Yes 4900 53 km
Kanoya 65 Civ. Paved Yes 7300 80 km
Yakushima KUM 37 Civ. Paved Yes 4900 86 km

Ports

Name LOCODE Country Distance
Shibushi JPSBS Japan 75 km
Aburatsu JPABU Japan 82 km
Yamagawa Japan 84 km

Dams

Reservoir Dam Name River Year Distance
Saikyo Saikyo Matanobugawa 1984 36 km
Sakataniko Nichinan Sakatanigawa 1984 91 km
Osumiko Takakuma Kushiragawa 1968 92 km

More information

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