M 4.7 in Japan on 17 Feb 2017 01:18 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: 4.7M
Depth: 19.54 Km
Lat/Lon: 25.0981 , 125.1279
Event Date: 17 Feb 2017 01:18 UTC
17 Feb 2017 10:18 Local
Exposed Population:
About 52000 people within 100km
Source: NEIC us20008kde
Inserted at: 17 Feb 2017 02:45 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
us20008kde Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1157713 0 17 Feb 2017 01:18 4.7M, 19.54km N/A 50 thousand (in 100km) 01:27 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 Karimata, Kuninaka, Ichimasui, Hirara, Sugama, Arasato, Bora, and Shiokawa.

Radius Population
100 km 53000 people
75 km 53000 people
50 km 50000 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

Affected populated places

Name Region Province Country City class Population Distance
Karimata Okinawa Japan Village - 29 km
Kuninaka Okinawa Japan Village - 31 km
Ichimasui Okinawa Japan Village - 31 km
Hirara Okinawa Japan Village 34000 people 37 km
Sugama Okinawa Japan Village - 43 km
Arasato Okinawa Japan Village - 47 km
Bora Okinawa Japan Village - 51 km
Shiokawa Okinawa Japan Village - 65 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
Shimojishima SHI 16 Civ. Paved Yes 9800 30 km
Hirara MMY 45 Civ. Paved Yes 6500 39 km
9 0 66 km

Ports

Name LOCODE Country Distance
Hirara Japan 35 km
Myako Island Japan 47 km

More information

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