M 6.9 in Japan on 02 Feb 2013 14:17 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: 6.9M
Depth: 103.1 Km
Event Date: 02 Feb 2013 14:17 UTC
02 Feb 2013 23:17 Local
Exposed Population:
448375 people within 100km
Source: NEIC usc000f03a
Inserted at: 02 Feb 2013 14:35 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC -0.1 0 0.5
usc000f03a Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
122279 0.5 02 Feb 2013 14:17 6.9M, 125.8km N/A 420 thousand (in 100km) 0m (at 00:00) 00:13 NEIC
122280 0.5 02 Feb 2013 14:17 6.9M, 103.1km N/A 450 thousand (in 100km) 0m (at 00:00) 00:17 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.

Tsunami affected locations

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: "eqid"

Fault parameters

  • Latitude: 42.812
  • Longitude: 143.078
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 242 (geogr angle: north=0, south=180)
  • Dip: 25 degree
  • Rake: 90 degree
  • Depth: 103 km

Calculation parameters

  • Calculation space (lon/lat): 140.078, 39.812, 146.078, 45.812
  • Instead of Step -> use Cell size:.45 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

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