M 4.6 in Japan on 11 Oct 2009 06:02 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: Km
Lat/Lon: 37.363 , 137.707
Event Date: 11 Oct 2009 06:02 UTC
11 Oct 2009 15:02 Local
Exposed Population:
2460000 people within 100km
Source: NEIC us2009mqan
Inserted at: 11 Oct 2009 06:33 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
us2009mqan 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
67533 0.5 11 Oct 2009 06:02 4.6M, 95.9km N/A 2.5 million (in 100km) 00:31 NEIC
67547 0.5 11 Oct 2009 06:01 4.5M, 146km N/A 35.5 million (in 100km) 05:05 GEOFON
67556 0.5 11 Oct 2009 06:01 4.5M, 151km N/A 19.1 million (in 100km) 12:45 EMSC
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 Chubu (population 5,172,046) . The nearest places are Fushimi, Takojima, Morikoshi, Hon, Uwano, Shoin, Noroshi, Suzawa, Mawaki, Ohmi, and Nagano.

Radius Population
100 km 2.4 million people
75 km 570000 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
Chubu Japan 5.2 million people
Tohoku Japan 10 million people
Kanto Japan 38.5 million people
Kinki Japan 22.2 million people
Chugoku Japan 8 million people
Shikoku Japan 4.3 million people
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Fushimi Ishikawa Japan Village - 33 km
Takojima Ishikawa Japan Village - 34 km
Morikoshi Ishikawa Japan Village - 35 km
Hon Ishikawa Japan Village - 36 km
Uwano Ishikawa Japan Village - 36 km
Shoin Ishikawa Japan Village - 38 km
Noroshi Ishikawa Japan Village - 38 km
Suzawa Niigata Japan Village - 38 km
Mawaki Niigata Japan Village - 38 km
Ohmi Niigata Japan Village - 39 km
Nomachi Niigata Japan Village - 39 km
Kajiyashiki Niigata Japan Village - 39 km
Itoigawa Niigata Japan Village 30000 people 39 km
Shidomari Ishikawa Japan Village - 39 km
Tozaki Niigata Japan Village - 40 km
Shiromaru Ishikawa Japan Village - 40 km
Nakao Niigata Japan Village - 40 km
Iida Ishikawa Japan Village - 40 km
Tonami Niigata Japan Village - 41 km
Higashi-Yamanaka Ishikawa Japan Village - 41 km
Aramachi Niigata Japan Village - 41 km
Momokawa Niigata Japan Village - 41 km
Hashiramichi Niigata Japan Village - 41 km
Ukai Ishikawa Japan Village - 42 km
Ushima Ishikawa Japan Village - 42 km
Matsunami Ishikawa Japan Village - 42 km
Jindo Ishikawa Japan Village - 42 km
Orito Ishikawa Japan Village - 42 km
Nadachi Niigata Japan Village - 42 km
Osaka Ishikawa Japan Village - 42 km
Senno Niigata Japan Village - 42 km
Orido Ishikawa Japan Village - 42 km
Kawasaka-Yachi Ishikawa Japan Village - 43 km
Shimizukura Niigata Japan Village - 43 km
Ogi Ishikawa Japan Village - 43 km
Ichiburi Niigata Japan Village - 43 km
Sakai Toyama Japan Village - 43 km
Agero Niigata Japan Village - 43 km
Shitakura Niigata Japan Village - 44 km
Issaka Ishikawa Japan Village - 44 km
Sasanami Ishikawa Japan Village - 44 km
Kago Ishikawa Japan Village - 44 km
Daira Toyama Japan Village - 45 km
Mawaki Ishikawa Japan Village - 45 km
Yukinobe Ishikawa Japan Village - 45 km
Mizoo Niigata Japan Village - 45 km
Arimagawa Niigata Japan Village - 45 km
Nishi-Torigoe Niigata Japan Village - 46 km
Suganuma Niigata Japan Village - 46 km
Nake-Kuwadori Niigata Japan Village - 46 km
Kurumizawa Niigata Japan Village - 46 km
Otani Ishikawa Japan Village - 46 km
Daibo Ishikawa Japan Village - 46 km
Odaira Niigata Japan Village - 47 km
Oya Ishikawa Japan Village - 47 km
Ichinono Niigata Japan Village - 47 km
Nagahama Niigata Japan Village - 47 km
Negoya Niigata Japan Village - 47 km
Nakanomata Niigata Japan Village - 47 km
Yokoyama Toyama Japan Village - 48 km
Maseguchi Niigata Japan Village - 48 km
Gozenyama Niigata Japan Village - 48 km
Tomari Toyama Japan Village - 48 km
Minakuchi Niigata Japan Village - 48 km
Kitakakuchi Toyama Japan Village - 49 km
Higashi-Hiyama Niigata Japan Village - 49 km
Kami-Kuromaru Ishikawa Japan Village - 49 km
Omae Niigata Japan Village - 49 km
Yunokawachi Niigata Japan Village - 49 km
Nishi-Hiyama Niigata Japan Village - 49 km
Nyuzen Toyama Japan Village - 49 km
Higashimine Niigata Japan Village - 49 km
Mitsuya Niigata Japan Village - 49 km
Ushitsu Ishikawa Japan Village - 50 km
Yamadera Niigata Japan Village - 50 km
Gochi-Kokubun Niigata Japan Village - 51 km
Uchikoshi Ishikawa Japan Village - 51 km
Oenosho Toyama Japan Village - 51 km
Yoshiwara Toyama Japan Village - 51 km
Hanyu Toyama Japan Village - 52 km
Naka-Yashiki Niigata Japan Village - 52 km
Nakamata Niigata Japan Village - 52 km
Naoetsu Niigata Japan Village - 52 km
Koshi Toyama Japan Village - 52 km
Doko Toyama Japan Village - 53 km
Araya Toyama Japan Village - 53 km
Yamanobo Niigata Japan Village - 53 km
Hanami Ishikawa Japan Village - 53 km
Shimizu Ishikawa Japan Village - 53 km
Ashisaki Toyama Japan Village - 54 km
Ugatsuka Ishikawa Japan Village - 54 km
Ishii Ishikawa Japan Village - 54 km
Nakagawara Niigata Japan Village - 54 km
Wakagurishin Toyama Japan Village - 55 km
Oami Niigata Japan Village - 55 km
Kamimachi Ishikawa Japan Village - 55 km
Awakura Ishikawa Japan Village - 55 km
Funami Toyama Japan Village - 55 km
Yanami Ishikawa Japan Village - 55 km
Dainichi Niigata Japan Village - 55 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
Noto 218 0 67 km
Toyama TOY 29 Civ. Paved Yes 6500 92 km
Nagano 347 0 94 km
23 0 100 km

Ports

Name LOCODE Country Distance
Iida Japan 39 km
Himekawa Japan 40 km
Naoetsu JPNAO Japan 51 km
Wajima Japan 60 km
Nanao JPNNO Japan 74 km
Toyahashi Japan 76 km
Toyama JPTOY Japan 80 km
Wajima JPWJM Japan 81 km
Toyama Shinko JPTOS Japan 82 km
Fushiki JPFSK Japan 85 km
Sawane Japan 87 km

Dams

Reservoir Dam Name River Year Distance
Shozenjiko Shozenji Shozenjigawa 1984 49 km
Otomiko Sasagamine Sekigawa 1979 64 km
Dashidaira Dashidaira Kurobegawa 1985 66 km
Akaiwa Akaiwa Tannegawa 1990 72 km
Okususobana Okususobana Susobanagawa 1979 74 km
Tane Tane Kumabuchigawa 1973 78 km
Kamiichigawa Kamiichigawa Kamiichigawa 1964 80 km
Kamiichigawadaini Kamiichigawadaini Kamiichigawa 1985 81 km
Kurobeko Kurobe Kurobegawa 1961 89 km
Ryujinko Omachi Takasegawa 1985 94 km
Furudoike Furudo Kajikawa 1984 95 km
Nanakura Nanakura Takasegawa 1978 97 km
Takaseko Takase Takasegawa 1979 99 km
Arimineko Arimine Wadagawa 1959 100 km

Nuclear plants

Name Country Reactors Distance
KASHIWAZAKI KARIWA JAPAN 7 78 km
SHIKA JAPAN 2 93 km

More information

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