M 5.1 in Japan on 24 Apr 2024 11:40 UTC

Hazard models

Rapid Impact
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: 5.1M
Depth: 55 Km
Lat/Lon: 36.4511 , 140.6649
Event Date: 24 Apr 2024 11:40 UTC
24 Apr 2024 20:40 Local
Exposed Population:
470 thousand in MMI IV
Source: NEIC us6000mtg4
Inserted at: 24 Apr 2024 11:55 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us6000mtg4 Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1566980 0 24 Apr 2024 11:40 5.1M, 55km 3.64 470 thousand (in 100km) 00:15 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 679,940) . The nearest places are Shirane, Toyooka, Kuji, Nagasuna, Mizuki, Nakaminato, Moto-Kawarago, Mayumi, Narusawa, Nakane, and Nobushimo.

Radius Population
100 km 9.2 million people
75 km 3.7 million people
50 km 1.3 million people
20 km 500000 people
10 km 89000 people
5 km 1800 people
2 km no people

Affected Provinces

Region Province Country Population
Kanto Japan 680000 people

Affected populated places

Name Region Province Country City class Population Distance
Shirane Ibaraki Japan Village - 6 km
Toyooka Ibaraki Japan Village - 6 km
Kuji Ibaraki Japan City 35000 people 7 km
Nagasuna Ibaraki Japan Village - 8 km
Mizuki Ibaraki Japan Village - 8 km
Nakaminato Ibaraki Japan Village 31000 people 9 km
Moto-Kawarago Ibaraki Japan Village - 11 km
Mayumi Ibaraki Japan Village - 13 km
Narusawa Ibaraki Japan Village - 13 km
Nakane Ibaraki Japan Village - 13 km
Tahiko Ibaraki Japan Village - 14 km
Hitachi Ibaraki Japan City 180000 people 15 km
Sugaya Ibaraki Japan Village - 16 km
Mazaka Ibaraki Japan Village - 17 km
Kitanosawa Ibaraki Japan Village - 17 km
Satonomiya Ibaraki Japan Village - 17 km
Kozura Ibaraki Japan Village - 17 km
Ogushi Ibaraki Japan Village - 17 km
Tajirihama Ibaraki Japan Village - 19 km
Kume Ibaraki Japan Village - 19 km
Urizura Ibaraki Japan Village - 20 km
Shimo-Okado Ibaraki Japan Village - 20 km
Ota Ibaraki Japan Village - 20 km
Uritsura Ibaraki Japan Village - 20 km
Morido Ibaraki Japan Village - 20 km
Ogitsu Ibaraki Japan Village - 20 km
Iida Ibaraki Japan Village - 20 km
Natsumi Ibaraki Japan Village - 20 km
Nakasai Ibaraki Japan Village - 21 km
Irishiken Ibaraki Japan Village - 22 km
Semba Ibaraki Japan Village - 22 km
Yoshisawa Ibaraki Japan Village - 22 km
Kawaziri Ibaraki Japan Village - 22 km
Machiya Ibaraki Japan Village - 23 km
Kawajiri Ibaraki Japan Village - 23 km
Wabuchi Ibaraki Japan Village - 23 km
Tomobe Ibaraki Japan Village - 24 km
Tamukai Ibaraki Japan Village - 24 km
Oyagaw Ibaraki Japan Village - 24 km
Kami-Edo Ibaraki Japan Village - 24 km
Kamigama Ibaraki Japan Village - 24 km
Takane Ibaraki Japan Village - 24 km
Machida Ibaraki Japan Village - 25 km
Koba Ibaraki Japan Village - 25 km
Nagasu Ibaraki Japan Village - 25 km
Omiya Ibaraki Japan Village 27000 people 25 km
Hama Ibaraki Japan Village - 25 km
Yatsu Ibaraki Japan Village - 26 km
Takahara Ibaraki Japan Village - 26 km
Kamitsubo Ibaraki Japan Village - 26 km
Nishitari Ibaraki Japan Village - 26 km
Kami-Irino Ibaraki Japan Village - 26 km
Yamabe Ibaraki Japan Village - 26 km
Hosoda Ibaraki Japan Village - 27 km
Shimo-Miyagodo Ibaraki Japan Village - 27 km
Kotsuru Ibaraki Japan Village - 27 km
Suzudaira Ibaraki Japan Village - 27 km
Shinden Ibaraki Japan Village - 27 km
Asahi Ibaraki Japan Village - 27 km
Ebisawa Ibaraki Japan Village - 28 km
Ishitsuka Ibaraki Japan Village - 28 km
Noda Ibaraki Japan Village - 28 km
Takata Ibaraki Japan Village - 28 km
Koibuchi Ibaraki Japan Village - 28 km
Kegano Ibaraki Japan Village - 29 km
Sugisaki Ibaraki Japan Village - 29 km
Mito Ibaraki Japan Major city 240000 people 29 km
Uchihara Ibaraki Japan Village - 29 km
Nakago Ibaraki Japan Village - 29 km
Katsuori Ibaraki Japan Village - 29 km
Tono Ibaraki Japan Village - 29 km
Yonedaira Ibaraki Japan Village - 30 km
Noso Ibaraki Japan Village - 30 km
Syzugoya Ibaraki Japan Village - 30 km
Akiba Ibaraki Japan Village - 30 km
Kitakota Ibaraki Japan Village - 30 km
Hokota Ibaraki Japan Village 28000 people 31 km
Yamagata Ibaraki Japan Village - 31 km
Funaki Ibaraki Japan Village - 31 km
Okunoya Ibaraki Japan Village - 31 km
Torizone Ibaraki Japan Village - 31 km
Sakur-Amoto Ibaraki Japan Village - 31 km
Ohashi Ibaraki Japan Village - 32 km
Kitakubo Ibaraki Japan Village - 32 km
Sumiya Ibaraki Japan Village - 32 km
Torihada Ibaraki Japan Village - 32 km
Iinuma Ibaraki Japan Village - 32 km
Ambo Ibaraki Japan Village - 32 km
Noguchi Ibaraki Japan Village - 32 km
Takigawa Ibaraki Japan Village - 32 km
Kanari Ibaraki Japan Village - 32 km
Orihashi Ibaraki Japan Village - 33 km
Kamijiku Ibaraki Japan Village - 33 km
Otake Ibaraki Japan Village - 33 km
Ishiyatsudo Ibaraki Japan Village - 33 km
Kami-Takakura Ibaraki Japan Village - 33 km
Yawara Ibaraki Japan Village - 33 km
Kita-Tomita Ibaraki Japan Village - 34 km
Tomobe Ibaraki Japan Village 37000 people 34 km
Momiji Ibaraki Japan Village - 34 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
Hyakuri 32 Mil. Paved Yes 8800 37 km
26 0 63 km
Ryugasaki 2 0 71 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 72 km
Suzumenomiya 82 0 72 km
Otawara 201 0 72 km
Ryugasaki South 2 0 75 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 80 km
Fukushima FKS 372 Civ. Paved Yes 8200 89 km
Chiba-ken 19 0 91 km
Shimofusa 30 Civ. Paved Yes 7300 93 km
Shimoshizu 30 0 100 km

Ports

Name LOCODE Country Distance
Hitachi JPHTC Japan 6 km
Onahama JPONA Japan 59 km
Kashima JPKSM Japan 61 km
Choshi JPCHO Japan 81 km

Dams

Reservoir Dam Name River Year Distance
Jajanboike Kozogawa Kozogawa 1985 24 km
Mizunuma Mizunuma Hanazonokawa 1966 44 km
Shitokiko Shitoki Shitokigawa 1983 51 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 56 km
Takashibako Takashiba Samekawa 1961 57 km
Bobatako Sengozawa Kitasugawa 1974 83 km
Terayama Terayama Miyakawa 1984 84 km
Higashikoyako Nishiarakawa Nishiarakawa 1967 87 km
Shiobara Shiobara Hokigawa 1978 89 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 93 km
Yanakako Wataraseyusuichi Watarasegawa 1989 93 km
Sabigawa Sabigawa Sabigawa 1994 93 km
Miyamako Miyama Nakagawa 1973 98 km
Imaichichoseichi Imaichi Togawa 1988 99 km
Ikariko Ikari Ojikagawa 1956 99 km

Nuclear power plants

Site Type Name Country
Site-Tokai Nuclear Power Plant Tokai-2 Japan
Site-Tokai Nuclear Fuel Cycle Tokai II NPP Site SFSF Japan
Site-Tokai Nuclear Fuel Cycle Tokai Works Japan
Site-Tokai Nuclear Fuel Cycle JAEA Tokai (PFDF-MOX) Japan
Site-Ibaraki-2 Nuclear Fuel Cycle Plutonium Fuel Production Facility (PFPF-FBR) Japan
Site-Naka District 319-1112 Nuclear Fuel Cycle MNF-Fuel Fabrication Facility Japan
Site-Naka District 319-1112 Nuclear Fuel Cycle MNF-Reconversion facility Japan
Site-Ibaraki-1 Research reactor NSRR Japan
Site-Ibaraki-1 Research reactor JRR-3M Japan
Site-Naka District 319-1111 Nuclear Fuel Cycle MitsubishiNuclear Fuels Ltd(MNF) - Okegawa Plant Japan
Site-Ōarai Research reactor HTTR Japan

More information

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