M 4.8 in Japan on 14 Dec 2012 20:37 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: 4.8M
Depth: 53.9 Km
Lat/Lon: 38.6256 , 142.335
Event Date: 14 Dec 2012 20:37 UTC
15 Dec 2012 05:37 Local
Exposed Population:
580000 people within 100km
Source: NEIC usc000ea0n
Inserted at: 14 Dec 2012 22:16 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000ea0n 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
121446 0.5 14 Dec 2012 20:37 4.8M, 53.9km N/A 580 thousand (in 100km) 01:38 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 Kesennuma, Sakihama, Nonomae, Kurosaki, Tomari, Ryori, Okubo, Nagasaki, Koishihama, Matsuzaki, and Oya.

Radius Population
100 km 450000 people
75 km 120000 people
50 km no 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
Hokkaido Japan 5.8 million people
Chubu Japan 5.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Kesennuma Miyagi Japan Village 59000 people 64 km
Sakihama Miyagi Japan Village - 64 km
Nonomae Iwate Japan Village - 65 km
Kurosaki Iwate Japan Village - 65 km
Tomari Iwate Japan Village - 66 km
Ryori Iwate Japan Village - 66 km
Okubo Iwate Japan Village - 66 km
Nagasaki Iwate Japan Village - 67 km
Koishihama Iwate Japan Village - 67 km
Matsuzaki Miyagi Japan Village - 67 km
Attari Iwate Japan Village - 67 km
Sakihama Iwate Japan Village - 67 km
Shuku Miyagi Japan Village - 67 km
Kogakuchi Iwate Japan Village - 67 km
Uranohama Miyagi Japan Village - 68 km
Tomarihama Miyagi Japan Village - 68 km
Natari Miyagi Japan Village - 69 km
Tadagoe Miyagi Japan Village - 69 km
Akuao Miyagi Japan Village - 69 km
Hosaura Iwate Japan Village - 69 km
Tsurugaura Miyagi Japan Village - 69 km
Shimo-Horei Iwate Japan Village - 69 km
Oya Miyagi Japan Village - 69 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 100 km

Ports

Name LOCODE Country Distance
Kesennuma Ko Japan 69 km
Ofunato JPOFT Japan 71 km
Onagawa JPONG Japan 80 km
Kamaishi JPKIS Japan 81 km
Ishinomaki JPISM Japan 92 km
Yamada Japan 98 km

Nuclear plants

Name Country Reactors Distance
ONAGAWA JAPAN 3 77 km

More information

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