M 6.3 in Japan on 04 Aug 2019 10:23 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: 6.3M
Depth: 38.56 Km
Lat/Lon: 37.7344 , 141.5361
Event Date: 04 Aug 2019 10:23 UTC
04 Aug 2019 19:23 Local
Exposed Population: About 87000 people in MMI
2570000 people within 100km
Source: NEIC us600050if
Inserted at: 05 Aug 2019 10:27 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us600050if Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  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
1268212 0 04 Aug 2019 10:23 6.3M, 38.56km 4.92 N/A (in MMI>=VII) 0m (at 00:00) 1d 00:04 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 Tohoku (population 9,984,608) . The nearest places are Minami-Ibi, Kayahama, Isobe, Takahira, Umekawa, Kashima, Onaba, Haragama, Odaka, Tachiya, and Sendai.

Radius Population
100 km 2.6 million people
75 km 290000 people
50 km 13000 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
Kanto Japan 38.5 million people
Chubu Japan 5.2 million people
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Minami-Ibi Fukushima Japan Village - 46 km
Kayahama Fukushima Japan Village - 47 km
Isobe Fukushima Japan Village - 48 km
Takahira Fukushima Japan Village - 49 km
Umekawa Fukushima Japan Village - 50 km
Kashima Fukushima Japan Village - 51 km
Onaba Fukushima Japan Village - 51 km
Haragama Fukushima Japan Village - 52 km
Odaka Fukushima Japan Village - 52 km
Tachiya Fukushima Japan Village - 52 km
Kiyohashi Fukushima Japan Village - 53 km
Koyamada Fukushima Japan Village - 53 km
Kita-Nagano Fukushima Japan Village - 54 km
Nakumura Fukushima Japan Village - 54 km
Oyama Fukushima Japan Village - 54 km
Namie Fukushima Japan Village 22000 people 55 km
Tsurishi Fukushima Japan Village - 55 km
Haramachi Fukushima Japan Village 47000 people 55 km
Komagamine Fukushima Japan Village - 55 km
Futaba Fukushima Japan Village - 56 km
Kuroki Fukushima Japan Village - 56 km
Onoda Fukushima Japan Village - 56 km
Kariyado Fukushima Japan Village - 57 km
Iso Miyagi Japan Village - 57 km
Nakanouchi Fukushima Japan Village - 57 km
Otsubo Fukushima Japan Village - 57 km
Futawatashi Miyagi Japan Village - 58 km
Sakamoto Miyagi Japan Village - 58 km
Sugaya Fukushima Japan Village - 58 km
Shajigami Fukushima Japan Village - 59 km
Aji Miyagi Japan Village - 59 km
Tetsuzan Fukushima Japan Village - 60 km
Ikenohama Miyagi Japan Village - 60 km
Oragahama Fukushima Japan Village - 60 km
Hanagama Miyagi Japan Village - 61 km
Kasano Miyagi Japan Village - 61 km
Suketsune Fukushima Japan Village - 61 km
Sekimori Fukushima Japan Village - 62 km
Oshika Miyagi Japan Village - 62 km
Okuma Fukushima Japan Village - 62 km
Ayukawahama Miyagi Japan Village - 63 km
Hirusone Fukushima Japan Village - 63 km
Bogoya Fukushima Japan Village - 64 km
Ouchi Miyagi Japan Village - 64 km
Nitoda Miyagi Japan Village - 64 km
Kukunari Miyagi Japan Village - 64 km
Ogawara Fukushima Japan Village - 64 km
Tomioka Fukushima Japan Village - 64 km
Takatsudo Fukushima Japan Village - 64 km
Odomari Miyagi Japan Village - 64 km
Yamashita Miyagi Japan Village - 64 km
Kaikomba Miyagi Japan Village - 64 km
Arahama Miyagi Japan Village - 64 km
Oharahama Miyagi Japan Village - 65 km
Kodeya Fukushima Japan Village - 65 km
Niiyama Miyagi Japan Village - 65 km
Kobuchi Miyagi Japan Village - 65 km
Yokoyama Miyagi Japan Village - 65 km
Kunugidaira Fukushima Japan Village - 66 km
Kabasaki Miyagi Japan Village - 66 km
Hiso Fukushima Japan Village - 66 km
Ashimata Fukushima Japan Village - 66 km
Shibamachi Miyagi Japan Village - 66 km
Oyama Miyagi Japan Village - 67 km
Sangatsuden Miyagi Japan Village - 67 km
Kanayama Miyagi Japan Village - 67 km
Warabi Miyagi Japan Village - 67 km
Ninokura Miyagi Japan Village - 67 km
Komiya Fukushima Japan Village - 68 km
Kami-Shigeoka Fukushima Japan Village - 68 km
Kashiwabara Fukushima Japan Village - 68 km
Watari Miyagi Japan Village 36000 people 68 km
Sangenchaya Miyagi Japan Village - 69 km
Kusano Fukushima Japan Village - 69 km
Ainokama Miyagi Japan Village - 69 km
Ide Fukushima Japan Village - 69 km
Koamikura Miyagi Japan Village - 69 km
Tomari Miyagi Japan Village - 69 km
Kita-Kama Miyagi Japan Village - 69 km
Kitsunezaki Miyagi Japan Village - 69 km
Ohana Fukushima Japan Village - 69 km
Fukkiura Miyagi Japan Village - 69 km
Naraha Fukushima Japan Village - 69 km
Hayakawa Miyagi Japan Village - 70 km
Sendai Miyagi Japan Major city 1 million people 81 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
Sendai SDJ 5 Civ. Paved Yes 9800 71 km
Kasuminome 5 0 77 km
Matsushima 2 Civ. Paved Yes 8800 80 km

Ports

Name LOCODE Country Distance
Soma JPSMA Japan 52 km
Ishinomaki JPISM Japan 78 km
Shiogama JPSGM Japan 79 km
Onagawa JPONG Japan 79 km

Dams

Reservoir Dam Name River Year Distance
Yokokawa Yokokawa Otagawa 1983 58 km
Takanokura Takanokura Mizunashigawa 1975 58 km
Ogaki Ogaki Ukedogawa 1985 62 km
Sakashita Sakashita Okawaragawa 1973 65 km
Tamanotameike Tamano Udagawa 1945 70 km
Tarumizuko Tarumizu Masudagawa 1976 78 km
Kamafusako Kamafusa Goishigawa 1970 90 km
1991 94 km
Kawarago Kawarago Shiroishigawa 1968 95 km
Okurako Okura Okuragawa 1961 98 km
Nanakita Nanakita Nanakitagawa 1984 99 km
Nanatsumoriko Minamikawa Minamikawa 1987 100 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAIICHI JAPAN 6 57 km
FUKUSHIMA-DAINI JAPAN 4 64 km
ONAGAWA JAPAN 3 74 km

More information

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