M 4.6 in Japan on 19 Apr 2017 17:13 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: 22.21 Km
Lat/Lon: 36.7764 , 140.6352
Event Date: 19 Apr 2017 17:13 UTC
20 Apr 2017 02:13 Local
Exposed Population:
4500000 people within 100km
Source: NEIC us10008j1z
Inserted at: 19 Apr 2017 18:24 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
us10008j1z 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
1164593 0 19 Apr 2017 17:13 4.6M, 22.21km N/A 4.5 million (in 100km) 01:10 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 Kanto (population 38,543,000) . The nearest places are Wakaguri, Ohata, Yokokawa, Shimo-Kimida, Kanari, Torizone, Kezuruki-Yashiki, Okaneda, Kitakota, Uchino, and Tonouchi.

Radius Population
100 km 5.4 million people
75 km 3.3 million people
50 km 1.4 million people
20 km 170000 people
10 km 51000 people
5 km 1600 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people
Tohoku Japan 10 million people

Affected populated places

Name Region Province Country City class Population Distance
Wakaguri Ibaraki Japan Village - 0 km
Ohata Ibaraki Japan Village - 3 km
Yokokawa Ibaraki Japan Village - 3 km
Shimo-Kimida Ibaraki Japan Village - 4 km
Kanari Ibaraki Japan Village - 4 km
Torizone Ibaraki Japan Village - 5 km
Kezuruki-Yashiki Ibaraki Japan Village - 5 km
Okaneda Ibaraki Japan Village - 6 km
Kitakota Ibaraki Japan Village - 7 km
Uchino Ibaraki Japan Village - 8 km
Onida Ibaraki Japan Village - 8 km
Kisara Ibaraki Japan Village - 8 km
Yonedaira Ibaraki Japan Village - 8 km
Kitakubo Ibaraki Japan Village - 8 km
Koshigoe Ibaraki Japan Village - 9 km
Suzudaira Ibaraki Japan Village - 9 km
Ono-Yasashi Ibaraki Japan Village - 9 km
Isohara Ibaraki Japan Village - 9 km
Mizunuma Ibaraki Japan Village - 10 km
Yanagizawa Ibaraki Japan Village - 10 km
Yamabe Ibaraki Japan Village - 10 km
Kasaishi Ibaraki Japan Village - 11 km
Satogawa Ibaraki Japan Village - 11 km
Okami Ibaraki Japan Village - 11 km
Takahara Ibaraki Japan Village - 11 km
Shuku Ibaraki Japan Village - 11 km
Shinden Ibaraki Japan Village - 12 km
Saimaru Ibaraki Japan Village - 12 km
Orihashi Ibaraki Japan Village - 13 km
Yunami Ibaraki Japan Village - 13 km
Tomobe Ibaraki Japan Village - 13 km
O-Naka Ibaraki Japan Village - 14 km
Hama Ibaraki Japan Village - 14 km
Yamaguchi Ibaraki Japan Village - 14 km
Konaga Ibaraki Japan Village - 14 km
Tonobatake Fukushima Japan Village - 15 km
Kawajiri Ibaraki Japan Village - 15 km
Kawaziri Ibaraki Japan Village - 15 km
Onukari Fukushima Japan Village - 15 km
Idekura Fukushima Japan Village - 16 km
Hosoda Ibaraki Japan Village - 16 km
Ko-Nomase Ibaraki Japan Village - 16 km
Irishiken Ibaraki Japan Village - 16 km
Yama-Ogawa Ibaraki Japan Village - 16 km
Yugusa Ibaraki Japan Village - 16 km
Ogitsu Ibaraki Japan Village - 16 km
Kami-Takakura Ibaraki Japan Village - 17 km
Hirakata Ibaraki Japan Village - 17 km
Minami-Odaira Fukushima Japan Village - 17 km
Koya-Yachi Fukushima Japan Village - 17 km
Ogawa Fukushima Japan Village - 17 km
Kubota Fukushima Japan Village - 17 km
Wabuchi Ibaraki Japan Village - 17 km
Tajirihama Ibaraki Japan Village - 18 km
Ueda Fukushima Japan City - 18 km
Machiya Ibaraki Japan Village - 18 km
Terashita Fukushima Japan Village - 18 km
Nagura Fukushima Japan Village - 18 km
Shimoseki-Goto Fukushima Japan Village - 19 km
Tsukuroda Ibaraki Japan Village - 19 km
Kegano Ibaraki Japan Village - 19 km
Futta Fukushima Japan Village - 19 km
Hatta Fukushima Japan Village - 20 km
Kitanosawa Ibaraki Japan Village - 20 km
Tabyuto Fukushima Japan Village - 20 km
Nishitari Ibaraki Japan Village - 20 km
Yujimatamae Fukushima Japan Village - 21 km
Kita-Tomita Ibaraki Japan Village - 21 km
Chofuku Ibaraki Japan Village - 21 km
Hitachi Ibaraki Japan City 180000 people 21 km
Nijibu Fukushima Japan Village - 21 km
Higashidate Fukushima Japan Village - 22 km
Machida Ibaraki Japan Village - 22 km
Maseno-Kubo Ibaraki Japan Village - 22 km
Akagona Fukushima Japan Village - 22 km
Kuroda Fukushima Japan Village - 23 km
Otsu Fukushima Japan Village - 23 km
Tashiro Fukushima Japan Village - 23 km
Shimo-Ishii Fukushima Japan Village - 23 km
Kami-Yamoda Fukushima Japan Village - 23 km
Kawashimo Ibaraki Japan Village - 23 km
Narusawa Ibaraki Japan Village - 23 km
Shimonomiya Ibaraki Japan Village - 24 km
Soeno Fukushima Japan Village - 24 km
Kaidomari Fukushima Japan Village - 24 km
Korofuji Ibaraki Japan Village - 24 km
Satonomiya Ibaraki Japan Village - 24 km
Shimo-Miyagodo Ibaraki Japan Village - 25 km
Ushirono Ibaraki Japan Village - 25 km
Taki Fukushima Japan Village - 25 km
Shimo-Okado Ibaraki Japan Village - 25 km
Shionohira Fukushima Japan Village - 25 km
Yawara Ibaraki Japan Village - 25 km
Ohata Fukushima Japan Village - 25 km
Daigo Ibaraki Japan Village 22000 people 25 km
Kurosuke Fukushima Japan Village - 26 km
Machitsuki Ibaraki Japan Village - 26 km
Moto-Kawarago Ibaraki Japan Village - 26 km
Obama Fukushima Japan Village - 26 km
Manahata Fukushima Japan Village - 26 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
Fukushima FKS 372 Civ. Paved Yes 8200 53 km
Otawara 201 0 54 km
Hyakuri 32 Mil. Paved Yes 8800 69 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 74 km
Suzumenomiya 82 0 77 km
26 0 91 km

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 30 km
Hitachi JPHTC Japan 31 km
Kashima JPKSM Japan 97 km

Dams

Reservoir Dam Name River Year Distance
Mizunuma Mizunuma Hanazonokawa 1966 9 km
Shitokiko Shitoki Shitokigawa 1983 16 km
Takashibako Takashiba Samekawa 1961 22 km
Jajanboike Kozogawa Kozogawa 1985 45 km
Bobatako Sengozawa Kitasugawa 1974 48 km
Terayama Terayama Miyakawa 1984 69 km
Shiobara Shiobara Hokigawa 1978 70 km
Fujinumachosuichi Fujimuna Ebanagawa 1948 70 km
Sakashita Sakashita Okawaragawa 1973 73 km
Sabigawa Sabigawa Sabigawa 1994 73 km
Hatoriko Hatori Tsurunumagawa 1955 74 km
Miyamako Miyama Nakagawa 1973 74 km
Higashikoyako Nishiarakawa Nishiarakawa 1967 74 km
Fukadachoseichi Fukadachoseichi Tadanogawa 1982 76 km
Ikariko Ikari Ojikagawa 1956 84 km
Yashioko Kawaji Kunugawa 1983 85 km
Ogaki Ogaki Ukedogawa 1985 85 km
Imaichichoseichi Imaichi Togawa 1988 87 km
Kuriyamachoseichi Kuriyama Nebesawagawa 1988 88 km
Wakasatoko Okawa Agagawa 1987 90 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 91 km
Kurobe Kurobe Kinugawa 1912 92 km
Ouchi Ouchi Onogawa 1991 93 km
Yoshigadaira Yoshigadaira Harakawa 1970 93 km
Yokokawa Yokokawa Otagawa 1983 94 km
Yunoiriko Higashiyama Yugawa 1982 97 km
Takanokura Takanokura Mizunashigawa 1975 97 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 35 km
FUKUSHIMA-DAINI JAPAN 4 70 km
FUKUSHIMA-DAIICHI JAPAN 6 79 km

More information

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