M 4.5 in Japan on 07 Feb 2016 20:45 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: 4.5M
Depth: 46.63 Km
Lat/Lon: 24.2903 , 123.4745
Event Date: 07 Feb 2016 20:45 UTC
08 Feb 2016 05:45 Local
Exposed Population:
About 50171 people within 100km
Source: NEIC
Inserted at: 07 Feb 2016 21:06 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
1118792 0 07 Feb 2016 20:45 4.5M, 46.63km N/A 50 thousand (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 Okinawa (population 1,242,315) . The nearest places are Ishigaki, Kobama, Hoshitate, Sakiyama, Agarisuji, Kubura, Honai, Toyohara, and Shirabaramitake.

Radius Population
100 km 50000 people
75 km 39000 people
50 km 2900 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Okinawa Japan 1.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Sakiyama Okinawa Japan Village - 21 km
Hoshitate Okinawa Japan Village - 30 km
Honai Okinawa Japan Village - 34 km
Toyohara Okinawa Japan Village - 40 km
Shirabaramitake Okinawa Japan Village - 40 km
Kobama Okinawa Japan Village - 52 km
Agarisuji Okinawa Japan Village - 56 km
Kubura Okinawa Japan Village - 56 km
Ishigaki Okinawa Japan City 45000 people 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
Hateruma HTR unknown 41 km
Iriomote Jima 12 41 km

Ports

Name LOCODE Country Distance
Irionote Island Japan 30 km
Ishigaki Japan 70 km
Ishigaki Island Japan 72 km

Dams

Reservoir Dam Name River Year Distance
Nagura Nagura Naguragawa 1996 72 km
Maezato Maezato Miyaragawa 1982 75 km
Sokobaru Sokobaru Sokobarugawa 1992 77 km

More information

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