M 4.9 in Japan on 03 Oct 2012 09:39 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: 4.9M
Depth: Km
Lat/Lon: 38.0698 , 141.898
Event Date: 03 Oct 2012 09:39 UTC
03 Oct 2012 18:39 Local
Exposed Population:
2080000 people within 100km
Source: NEIC usc000d09w
Inserted at: 03 Oct 2012 10:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000d09w 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
120028 0.5 03 Oct 2012 09:39 4.9M, 35.4km N/A 2.1 million (in 100km) 00:20 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 Futawatashi, Oshika, Ayukawahama, Niiyama, Aji, Kukunari, Ikenohama, Tomari, Oharahama, Kobuchi, and Sendai.

Radius Population
100 km 2 million people
75 km 120000 people
50 km 7900 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
Futawatashi Miyagi Japan Village - 41 km
Oshika Miyagi Japan Village - 41 km
Ayukawahama Miyagi Japan Village - 43 km
Niiyama Miyagi Japan Village - 43 km
Aji Miyagi Japan Village - 43 km
Kukunari Miyagi Japan Village - 44 km
Ikenohama Miyagi Japan Village - 44 km
Tomari Miyagi Japan Village - 46 km
Oharahama Miyagi Japan Village - 46 km
Kobuchi Miyagi Japan Village - 47 km
Yoriiso Miyagi Japan Village - 48 km
Yagawa Miyagi Japan Village - 49 km
Nitoda Miyagi Japan Village - 49 km
Odomari Miyagi Japan Village - 49 km
Koamikura Miyagi Japan Village - 50 km
Samenoura Miyagi Japan Village - 50 km
Fukkiura Miyagi Japan Village - 51 km
Kitsunezaki Miyagi Japan Village - 52 km
Takenohama Miyagi Japan Village - 52 km
Terama Miyagi Japan Village - 52 km
Izushima Miyagi Japan Village - 54 km
Onagawahama Miyagi Japan Village - 57 km
Kotake Miyagi Japan Village - 57 km
Ommaehama Miyagi Japan Village - 57 km
Kuwahama Miyagi Japan Village - 58 km
Kumazawa Miyagi Japan Village - 58 km
Tatsuhama Miyagi Japan Village - 59 km
Osu Miyagi Japan Village - 59 km
Ohama Miyagi Japan Village - 61 km
Watanoha Miyagi Japan Village - 61 km
Ogatsu Miyagi Japan Village - 61 km
Funagoshi Miyagi Japan Village - 61 km
Inai Miyagi Japan Village - 65 km
Mizunuma Miyagi Japan Village - 65 km
Ishinomaki Miyagi Japan City 120000 people 66 km
Nagatsura Miyagi Japan Village - 67 km
Moto-Funaba Miyagi Japan Village - 67 km
Tsukihama Miyagi Japan Village - 68 km
Ozashi Miyagi Japan Village - 68 km
Higashi-Fukuda Miyagi Japan Village - 69 km
Aikawa Miyagi Japan Village - 69 km
Kodaki Miyagi Japan Village - 70 km
Sendai Miyagi Japan Major city 1 million people 91 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
Matsushima 2 Civ. Paved Yes 8800 70 km
Kasuminome 5 0 86 km
Sendai SDJ 5 Civ. Paved Yes 9800 86 km

Ports

Name LOCODE Country Distance
Onagawa JPONG Japan 57 km
Ishinomaki JPISM Japan 63 km
Shiogama JPSGM Japan 81 km
Soma JPSMA Japan 86 km
Kesennuma Ko Japan 92 km

Dams

Reservoir Dam Name River Year Distance
Tarumizuko Tarumizu Masudagawa 1976 94 km
Naganuma Naganuma Hazamagawa 2005 96 km

Nuclear plants

Name Country Reactors Distance
ONAGAWA JAPAN 3 51 km

More information

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