M 5.5 in Japan on 24 Apr 2018 08:53 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: 5.5M
Depth: 79.92 Km
Lat/Lon: 43.3579 , 145.7435
Event Date: 24 Apr 2018 08:53 UTC
24 Apr 2018 17:53 Local
Exposed Population: 110000 people within 100km
Source: NEIC us1000dr71
Inserted at: 24 Apr 2018 09:36 UTC
INFORM Coping capacity of the alert score
4.6 (Russia)
INFORM Coping capacity of the affected contries: Russia= 4.6; Japan= 1.5

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us1000dr71 Scaled population (vector) -8  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1207897 0 24 Apr 2018 08:53 5.5M, 79.92km 4.21 N/A (in MMI>=VII) 00:42 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 Hikiushi, Nassafu, Tomoshiri, Nemuro, Zeikomae, Moshirikeshi, Akiajiba, Nishi-wada, Sunahama, Pontokomoi, and Chibukarabetsu.

Radius Population
100 km 120000 people
75 km 81000 people
50 km 36000 people
20 km 27000 people
10 km 2800 people
5 km 2000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Hikiushi Hokkaido Japan Village - 2 km
Nassafu Hokkaido Japan Village - 6 km
Tomoshiri Hokkaido Japan Village - 10 km
Nemuro Hokkaido Japan City 31000 people 13 km
Zeikomae Sakhalinskaya Russia Village - 14 km
Moshirikeshi Sakhalinskaya Russia Village - 15 km
Akiajiba Sakhalinskaya Russia Village - 18 km
Nishi-wada Hokkaido Japan Village - 20 km
Sunahama Sakhalinskaya Russia Village - 24 km
Pontokomoi Sakhalinskaya Russia Village - 30 km
Svetloye Hokkaido Japan Village - 31 km
Fushiko-tobuto Hokkaido Japan Village - 32 km
Aitomari Sakhalinskaya Russia Village - 32 km
Kamenka Sakhalinskaya Russia Village - 33 km
Nishimae Sakhalinskaya Russia Village - 33 km
Kitaura Sakhalinskaya Russia Village - 35 km
Bekkai Hokkaido Japan Village - 38 km
Tokkariiso Sakhalinskaya Russia Village - 38 km
Tokotan Hokkaido Japan Village - 42 km
Kafenotsu Sakhalinskaya Russia Village - 42 km
Atsutoko Hokkaido Japan Village - 43 km
Golovnino Sakhalinskaya Russia Village - 46 km
Moraito Hokkaido Japan Village - 49 km
Odaito Hokkaido Japan Village - 49 km
Nishibetsu Hokkaido Japan Village - 51 km
Onirusu Sakhalinskaya Russia Village - 52 km
Yamagata-dantai Hokkaido Japan Village - 54 km
Ruchi Sakhalinskaya Russia Village - 56 km
Hamanaka Hokkaido Japan Village - 58 km
Kumaushi Hokkaido Japan Village - 58 km
Protochnaya Sakhalinskaya Russia Village - 60 km
Kiritappu Hokkaido Japan Village - 60 km
Shibetsu Hokkaido Japan Village 22000 people 60 km
Oshiusu Sakhalinskaya Russia Village - 61 km
Kami-nishibetsu Hokkaido Japan Village - 63 km
Nakanokotan Sakhalinskaya Russia Village - 64 km
Alëkhino Sakhalinskaya Russia Village - 65 km
Naka-shibetsu Hokkaido Japan City - 66 km
Danilovo Sakhalinskaya Russia Village - 67 km
Mo-chirippu Hokkaido Japan Village - 67 km
Kawakita Hokkaido Japan Village - 67 km
Medelevo Sakhalinskaya Russia Village - 68 km
Chibukarabetsu Sakhalinskaya Russia Village - 70 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
Nakashibetsu SHB 65 Civ. Paved Yes 6500 68 km

Ports

Name LOCODE Country Distance
Nemuro JPNEM Japan 14 km
Hanasaki Japan 15 km
Golovino Russia 37 km
Yuzhno Kurilsk Russia 74 km
Akkeshi JPAKE Japan 80 km

More information

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