M 4.7 in Japan on 14 Jan 2018 19:41 UTC
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: 4.7M
Depth: 10 Km
Lat/Lon: 25.0778 , 123.6993
Event Date: 14 Jan 2018 19:41 UTC
15 Jan 2018 03:41 Local
Exposed Population:
About 50000 people within 100km
Source: NEIC us2000cjjp
Inserted at: 14 Jan 2018 20:25 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us2000cjjp Scaled population (vector) 3.73  
  C1 earthquake 0.73  
  C2 earthquake -0.22  
  Country Vulnerability -0.71  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1194314 0 14 Jan 2018 19:41 4.7M, 10km N/A 50 thousand (in 100km) 00:43 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) .

Radius Population
100 km 51000 people
75 km <1000 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
Okinawa Japan 1.2 million people
Taiwan China 22.5 million people
Fujian China 33.3 million people
Zhejiang China 45.9 million people

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
Iriomote Jima 12 0 92 km
Ishigaki ISG 26 Civ. Paved Yes 4900 95 km
Yonaguni OGN 21 Civ. Paved Yes 4900 100 km

Ports

Name LOCODE Country Distance
Irionote Island Japan 83 km
Ishigaki Island Japan 84 km
Ishigaki Japan 95 km

Dams

Reservoir Dam Name River Year Distance
Nagura Nagura Naguragawa 1996 88 km
Maezato Maezato Miyaragawa 1982 89 km
Sokobaru Sokobaru Sokobarugawa 1992 90 km

More information

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