M 5 in Japan on 14 Apr 2011 06:07 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: 5.0M
Depth: Km
Lat/Lon: 36.7178 , 141.523
Event Date: 14 Apr 2011 06:07 UTC
14 Apr 2011 15:07 Local
Exposed Population:
1210000 people within 100km
Source: NEIC usc0002qid
Inserted at: 14 Apr 2011 06:59 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc0002qid 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
107163 0.5 14 Apr 2011 06:08 5.7M, 14.4km N/A 100 thousand (in 100km) 00:24 NEIC
107164 0.5 14 Apr 2011 06:07 5M, 44.1km N/A 1.2 million (in 100km) 00:52 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 Ohahama, Toyoma, Ena, Shimo-Takaku, Onahama, Aratame, Obama, Sumiyoshi, Shimo-Yata, Omori, and Yoshima.

Radius Population
100 km 990000 people
75 km 420000 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
Chubu Japan 5.2 million people
Kinki Japan 22.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Ohahama Fukushima Japan Village - 57 km
Toyoma Fukushima Japan Village - 58 km
Ena Fukushima Japan Village - 58 km
Shimo-Takaku Fukushima Japan Village - 61 km
Onahama Fukushima Japan City - 62 km
Aratame Fukushima Japan Village - 63 km
Obama Fukushima Japan Village - 63 km
Sumiyoshi Fukushima Japan Village - 63 km
Shimo-Yata Fukushima Japan Village - 64 km
Omori Fukushima Japan Village - 65 km
Taira Fukushima Japan City - 65 km
Sekifune Fukushima Japan Village - 66 km
Hirakata Ibaraki Japan Village - 67 km
Tanebe Fukushima Japan Village - 67 km
Yotsukura Fukushima Japan Village - 67 km
Terashita Fukushima Japan Village - 68 km
Tsuzura Fukushima Japan Village - 68 km
Soeno Fukushima Japan Village - 68 km
Shuku Ibaraki Japan Village - 69 km
Ueda Fukushima Japan City - 69 km
Yunami Ibaraki Japan Village - 70 km
Nakayama Fukushima Japan Village - 70 km
Yoshima Fukushima Japan Village - 70 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Name LOCODE Country Distance
Onahama JPONA Japan 60 km
Hitachi JPHTC Japan 84 km

Dams

Reservoir Dam Name River Year Distance
Shitokiko Shitoki Shitokigawa 1983 75 km
Takashibako Takashiba Samekawa 1961 76 km
Mizunuma Mizunuma Hanazonokawa 1966 77 km
Sakashita Sakashita Okawaragawa 1973 90 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAINI JAPAN 4 79 km
TOKAI JAPAN 3 86 km
FUKUSHIMA-DAIICHI JAPAN 6 89 km

More information

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