M 5.7 in Japan on 25 Oct 2018 18:36 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: 5.7M
Depth: 43.74 Km
Lat/Lon: 38.2868 , 141.7858
Event Date: 25 Oct 2018 18:36 UTC
26 Oct 2018 03:36 Local
Exposed Population: 2350000 people within 100km
Source: NEIC us1000hh6r
Inserted at: 25 Oct 2018 18:54 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us1000hh6r Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1232963 0 25 Oct 2018 18:36 5.7M, 43.74km 4.44 N/A (in MMI>=VII) 00:17 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 Tohoku (population 9,984,608) . The nearest places are Niiyama, Oshika, Ayukawahama, Tomari, Yoriiso, Futawatashi, Kukunari, Oharahama, Aji, Yagawa, and Sendai.

Radius Population
100 km 2.3 million people
75 km 660000 people
50 km 94000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people

Affected populated places

Name Region Province Country City class Population Distance
Niiyama Miyagi Japan Village - 23 km
Oshika Miyagi Japan Village - 24 km
Ayukawahama Miyagi Japan Village - 24 km
Tomari Miyagi Japan Village - 24 km
Yoriiso Miyagi Japan Village - 26 km
Futawatashi Miyagi Japan Village - 26 km
Kukunari Miyagi Japan Village - 26 km
Oharahama Miyagi Japan Village - 27 km
Aji Miyagi Japan Village - 28 km
Yagawa Miyagi Japan Village - 28 km
Kobuchi Miyagi Japan Village - 28 km
Terama Miyagi Japan Village - 28 km
Samenoura Miyagi Japan Village - 28 km
Ikenohama Miyagi Japan Village - 28 km
Koamikura Miyagi Japan Village - 30 km
Izushima Miyagi Japan Village - 30 km
Fukkiura Miyagi Japan Village - 31 km
Takenohama Miyagi Japan Village - 32 km
Odomari Miyagi Japan Village - 32 km
Nitoda Miyagi Japan Village - 32 km
Kuwahama Miyagi Japan Village - 33 km
Kitsunezaki Miyagi Japan Village - 33 km
Kumazawa Miyagi Japan Village - 33 km
Ommaehama Miyagi Japan Village - 34 km
Osu Miyagi Japan Village - 34 km
Tatsuhama Miyagi Japan Village - 34 km
Onagawahama Miyagi Japan Village - 34 km
Ohama Miyagi Japan Village - 35 km
Funagoshi Miyagi Japan Village - 36 km
Ogatsu Miyagi Japan Village - 37 km
Kotake Miyagi Japan Village - 37 km
Watanoha Miyagi Japan Village - 40 km
Mizunuma Miyagi Japan Village - 42 km
Nagatsura Miyagi Japan Village - 42 km
Tsukihama Miyagi Japan Village - 42 km
Ozashi Miyagi Japan Village - 43 km
Inai Miyagi Japan Village - 43 km
Aikawa Miyagi Japan Village - 43 km
Kodaki Miyagi Japan Village - 44 km
Terahama Miyagi Japan Village - 45 km
Ishinomaki Miyagi Japan City 120000 people 46 km
Onagawa Miyagi Japan Village - 46 km
Moto-Funaba Miyagi Japan Village - 46 km
Higashi-Fukuda Miyagi Japan Village - 46 km
Iinogawa Miyagi Japan Village - 48 km
Saragai Miyagi Japan Village - 48 km
Kamata Miyagi Japan Village - 49 km
Kanomata Miyagi Japan Village - 49 km
Oritate Miyagi Japan Village - 50 km
Nojiri Miyagi Japan Village - 50 km
Tomarihama Miyagi Japan Village - 50 km
Iwasaki Miyagi Japan Village - 51 km
Aratohama Miyagi Japan Village - 51 km
Yamane Miyagi Japan Village - 51 km
Aramachi Miyagi Japan Village - 51 km
Shizugawa Miyagi Japan Village - 52 km
Natari Miyagi Japan Village - 52 km
Isatomae Miyagi Japan Village - 53 km
Ota Miyagi Japan Village - 53 km
Sunaoshi Miyagi Japan Village - 53 km
Kitazawa Miyagi Japan Village - 54 km
Naka-Komatsu Miyagi Japan Village - 54 km
Minato Miyagi Japan Village - 54 km
Shinden Miyagi Japan Village - 54 km
Hirobuchi Miyagi Japan Village - 54 km
Hamaichi Miyagi Japan Village - 55 km
Yanaizu Miyagi Japan Village - 55 km
Tsukihama Miyagi Japan Village - 55 km
Shinzan Miyagi Japan Village - 56 km
Kagamiishi Miyagi Japan Village - 56 km
Shirotori Miyagi Japan Village - 56 km
Takagi Miyagi Japan Village - 57 km
Wabuchi Miyagi Japan Village - 57 km
Ono Miyagi Japan Village - 57 km
Kesaiso Miyagi Japan Village - 57 km
Haraigawa Miyagi Japan Village - 57 km
Kamimachi Miyagi Japan Village - 57 km
Maeyachi Miyagi Japan Village - 57 km
Honchi Miyagi Japan Village - 57 km
Kami-Hazawa Miyagi Japan Village - 58 km
Koizumi Miyagi Japan Village - 59 km
Osawa Miyagi Japan Village - 59 km
Yoshizumi Miyagi Japan Village - 60 km
Asatanuki Miyagi Japan Village - 60 km
Motoyoshi Miyagi Japan Village - 60 km
Hiraiso Miyagi Japan Village - 61 km
Nigo Miyagi Japan Village - 61 km
Oya Miyagi Japan Village - 61 km
Taketani Miyagi Japan Village - 61 km
Inohana Miyagi Japan Village - 62 km
Morinokoshi Miyagi Japan Village - 62 km
Otsunagi Miyagi Japan Village - 62 km
Magome Miyagi Japan Village - 62 km
Kimazuka Miyagi Japan Village - 62 km
Uenodai Miyagi Japan Village - 62 km
Oyanagi Miyagi Japan Village - 62 km
Wakuya Miyagi Japan City 18000 people 63 km
Shinkawa Miyagi Japan Village - 63 km
Akuao Miyagi Japan Village - 63 km
Maeya Miyagi Japan Village - 63 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
Matsushima 2 Civ. Paved Yes 8800 51 km
Kasuminome 5 0 74 km
Sendai SDJ 5 Civ. Paved Yes 9800 78 km
Ojojibara 70 0 85 km

Ports

Name LOCODE Country Distance
Onagawa JPONG Japan 34 km
Ishinomaki JPISM Japan 43 km
Shiogama JPSGM Japan 66 km
Kesennuma Ko Japan 67 km
Ofunato JPOFT Japan 86 km
Soma JPSMA Japan 88 km

Dams

Reservoir Dam Name River Year Distance
Naganuma Naganuma Hazamagawa 2005 72 km
Kejonuma Kejonuma Tajirigawa 1995 81 km
Tarumizuko Tarumizu Masudagawa 1976 84 km
Nanatsumoriko Minamikawa Minamikawa 1987 86 km
Nanakita Nanakita Nanakitagawa 1984 92 km
Okurako Okura Okuragawa 1961 95 km
Kamafusako Kamafusa Goishigawa 1970 96 km
Hanayamako Hanayama Hazamagawa 2004 97 km

Nuclear plants

Name Country Reactors Distance
ONAGAWA JAPAN 3 28 km

More information

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