M 4.5 in Japan on 16 Mar 2015 14:23 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: 55.2 Km
Lat/Lon: 26.7906 , 128.2807
Event Date: 16 Mar 2015 14:23 UTC
16 Mar 2015 23:23 Local
Exposed Population:
1252583 people within 100km
Source: NEIC
Inserted at: 16 Mar 2015 16:27 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
1074016 0 16 Mar 2015 14:23 4.5M, 55.2km N/A 1.3 million (in 100km) 02:03 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 Hedo, and Ada.

Radius Population
100 km 1.3 million people
75 km 470000 people
50 km 120000 people
20 km 10000 people
10 km 4400 people
5 km 1900 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Okinawa Japan 1.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Hedo Okinawa Japan Village - 7 km
Ada Okinawa Japan Village - 7 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
Yoron RNJ 16 Civ. Paved Yes 3900 31 km
Ie Jima IEJ 75 Civ. Paved No 4900 50 km

Ports

Name LOCODE Country Distance
Oku Japan 41 km
Kin Wan JPKIN Japan 58 km

Dams

Reservoir Dam Name River Year Distance
Kannako Kanna Kannafukujigawa 1993 47 km

More information

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