M 4.7 in Japan on 24 Jul 2007 21:52 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.7M
Depth: 52.7 Km
Lat/Lon: 37.5132 , 138.511
Event Date: 24 Jul 2007 21:52 UTC
25 Jul 2007 06:52 Local
Exposed Population:
2770000 people within 100km
Source: NEIC
Inserted at: 27 Jul 2007 03:31 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
28963 0.5 24 Jul 2007 21:52 4.8M, 61.6km N/A 2.9 million (in 100km) 02:20 NEIC
28977 0.5 24 Jul 2007 21:52 4.9M, 10km N/A 2.8 million (in 100km) 11:00 EMSC
29019 0.5 24 Jul 2007 21:52 4.7M, 52.7km N/A 2.8 million (in 100km) 2d 05:39 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 Shiiya, Kariwa, Arahama, Warimachi-Shinden, Nishiyama, Inooka, Sakata, Shimo-Oshinden, Izumozaki, Funabashi, and Nagano.

Radius Population
100 km 2.7 million people
75 km 2.1 million people
50 km 980000 people
20 km 91000 people
10 km <1000 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
Shiiya Niigata Japan Village - 11 km
Kariwa Niigata Japan Village - 13 km
Arahama Niigata Japan Village - 13 km
Warimachi-Shinden Niigata Japan Village - 14 km
Nishiyama Niigata Japan Village - 14 km
Inooka Niigata Japan Village - 15 km
Sakata Niigata Japan Village - 16 km
Shimo-Oshinden Niigata Japan Village - 16 km
Izumozaki Niigata Japan Village - 16 km
Funabashi Niigata Japan Village - 17 km
Kashiwazaki Niigata Japan City 85000 people 17 km
Kami-Tajiri Niigata Japan Village - 19 km
Otomo Niigata Japan Village - 20 km
Yasuda Niigata Japan Village - 21 km
Shindo Niigata Japan Village - 21 km
Takanosu Niigata Japan Village - 22 km
Miyamoto Niigata Japan Village - 22 km
O-Hirata Niigata Japan Village - 22 km
Tanne Niigata Japan Village - 22 km
Jojo Niigata Japan Village - 23 km
Takatori Niigata Japan Village - 23 km
Hatsusaki Niigata Japan Village - 23 km
Torigoe Niigata Japan Village - 23 km
Yoshio Niigata Japan Village - 23 km
Sekihara Niigata Japan Village - 23 km
Wakino Niigata Japan Village - 24 km
Shimasaki Niigata Japan Village - 24 km
Odaira Niigata Japan Village - 24 km
Kami-nozoki Niigata Japan Village - 24 km
Yamaguchi Niigata Japan Village - 25 km
Kano Niigata Japan Village - 25 km
Yoshitake Niigata Japan Village - 25 km
Wakinomachi Niigata Japan Village - 25 km
Ogaya Niigata Japan Village - 26 km
Kami-Tomioka Niigata Japan Village - 26 km
Kamigiri Niigata Japan Village - 26 km
Fudosawa Niigata Japan Village - 26 km
Takase Niigata Japan Village - 26 km
Tsukanoyama Niigata Japan Village - 26 km
Fukumichi Niigata Japan Village - 27 km
Kita-jo Niigata Japan Village - 27 km
Raigoji Niigata Japan Village - 27 km
Yoita Niigata Japan Village - 27 km
Mizuno Niigata Japan Village - 27 km
Raikoji Niigata Japan Village - 27 km
Hirasawa Niigata Japan Village - 27 km
Morichika Niigata Japan Village - 27 km
Kurohime Niigata Japan Village - 27 km
Chiyazawa Niigata Japan Village - 28 km
Teradomari Niigata Japan Village - 28 km
Yama-Yokosawa Niigata Japan Village - 28 km
Nanokamachi Niigata Japan Village - 28 km
Iijima Niigata Japan Village - 28 km
Kamiya Niigata Japan Village - 29 km
Katakai Niigata Japan Village - 29 km
Sumomozaki Niigata Japan Village - 29 km
Moto-Ojima Niigata Japan Village - 29 km
Tajima Niigata Japan Village - 29 km
Kuroiwa Niigata Japan Village - 29 km
Takemori Niigata Japan Village - 29 km
Nihonyagani Niigata Japan Village - 30 km
Ojiya Niigata Japan Village 40000 people 30 km
Shimizudani Niigata Japan Village - 30 km
Beisanji Niigata Japan Village - 30 km
Iwano Niigata Japan Village - 30 km
Chujo Niigata Japan Village - 30 km
Oguni Niigata Japan Village - 30 km
Maejima Niigata Japan Village - 30 km
Miyahara Niigata Japan Village - 30 km
Tsubono Niigata Japan Village - 30 km
Bashome Niigata Japan Village - 30 km
Noda Niigata Japan Village - 30 km
Nakano-Nishi Niigata Japan Village - 31 km
Kurozu Niigata Japan Village - 31 km
Nagaoka Niigata Japan City 200000 people 31 km
Orii Niigata Japan Village - 31 km
Osawa Niigata Japan Village - 32 km
Akasawa Niigata Japan Village - 32 km
Mujinadaira Niigata Japan Village - 32 km
Gohen Niigata Japan Village - 32 km
Bunsui Niigata Japan Village - 32 km
Iizodo Niigata Japan Village - 32 km
Jogehama Niigata Japan Village - 32 km
Nagamine Niigata Japan Village - 32 km
Yamanota Niigata Japan Village - 33 km
Nishi-Takayama Niigata Japan Village - 33 km
Isonobe Niigata Japan Village - 33 km
Haranouchi Niigata Japan Village - 33 km
Fumoto Niigata Japan Village - 34 km
Ima Niigata Japan Village - 34 km
Okanomochi Niigata Japan Village - 34 km
Kamegai Niigata Japan Village - 34 km
Byodoji Niigata Japan Village - 34 km
Okami Niigata Japan Village - 34 km
Takayanagi Niigata Japan Village - 34 km
Izumidani Niigata Japan Village - 34 km
Kawadani Niigata Japan Village - 34 km
Kaji Niigata Japan Village - 34 km
Katamachi Niigata Japan Village - 35 km
Yahiko Niigata Japan Village - 35 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
23 0 62 km
Niigata KIJ 7 Civ. Paved Yes 8200 72 km

Ports

Name LOCODE Country Distance
Naoetsu JPNAO Japan 45 km
Sawane Japan 58 km
Ryotu Wan JPSDO Japan 64 km
Aikawa JPAIK Japan 65 km
Niigata JPKIJ Japan 67 km
Himekawa Japan 80 km
Sado Island Japan 82 km
Niigata-Higashi Japan 83 km

Dams

Reservoir Dam Name River Year Distance
Akaiwa Akaiwa Tannegawa 1990 24 km
Shozenjiko Shozenji Shozenjigawa 1984 50 km
Kuromatagawadaiichi Kuromatagawadaiichi Kuromatagawa 1958 56 km
Himesayuriko Otani Igarashigawa 1993 57 km
Kasaboriko Kasabori Kasaborigawa 1964 59 km
Kuromatagawadaini Kuromatagawadaini Kuromatagawa 1964 60 km
Aburumagawa Aburumagawa Aburumagawa 1986 61 km
Shakunageko Sagurigawa Sagurigawa 1993 67 km
Tagokurako Tagokura Tadamigawa 1959 72 km
Tadamiko Tadami Tadamigawa 1989 73 km
Ginzanko Okutadami Tadamigawa 1960 77 km
Otomiko Sasagamine Sekigawa 1979 82 km
Okutoneko Yagisawa Tonegawa 1967 82 km
Naramatako Naramata Naramatagawa 1990 86 km
Dogenko Sudagai Tonegawa 1955 86 km
Otsumata Otsumata Otsumatagawa 1968 87 km
Uchinokurako Uchinokura Uchinokuragawa 1972 89 km
Nozoriko Nozori Nakatsugawa 1956 89 km
Fujiwarako Fujiwara Tonegawa 1957 91 km
Kajigawa Kajigawachisui Kajigawa 1974 93 km
Akayako Aimata Akayagawa 1959 95 km
Tanbarako Tanbara Hocchigawa 1981 95 km
Okususobana Okususobana Susobanagawa 1979 100 km

Nuclear plants

Name Country Reactors Distance
KASHIWAZAKI KARIWA JAPAN 7 12 km

More information

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