M 6.7 in China on 31 Oct 2013 12:02 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.7M
Depth: 10 Km
Event Date: 31 Oct 2013 12:02 UTC
31 Oct 2013 20:02 Local
Exposed Population:
3870000 people within 100km
Source: USGS pt13304000
Inserted at: 31 Oct 2013 12:13 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
USGS 1.2 1 1.2
pt13304000 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.08m  
  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
1019539 1.2 31 Oct 2013 12:02 6.7M, 10km N/A 3.9 million (in 100km) 0.1m (at 01:01) 00:11 USGS
1019541 1.3 31 Oct 2013 12:02 6.7M, 10km N/A 4.8 million (in 100km) 0.1m (at 01:01) 00:12 NEIC
1019547 1.1 31 Oct 2013 12:02 6.6M, 9.34km N/A 3.1 million (in 100km) 0.2m (at 00:31) 00:24 NEIC
1019554 1 31 Oct 2013 12:02 6.3M, 12km N/A 3.1 million (in 100km) 00:48 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

The maximum Wave height is  0.1m in Chia-lu-lan, Taiwan. This height is estimated for 31-Oct-2013 13:03:64.

Alert Date (UTC) Name Country Wave height (m)
31-Oct-2013 13:03:64 Chia-lu-lan Taiwan  0.1
31-Oct-2013 12:35:00 Wu-shih_Pi Taiwan  0.1
31-Oct-2013 12:35:00 San_Hsien_Tai Taiwan  0.1
31-Oct-2013 13:00:38 Feng-pin Taiwan  0.0
31-Oct-2013 12:27:38 Chang-yuan Taiwan  0.0
31-Oct-2013 12:27:38 Ta-chiang-k'ou Taiwan  0.0
31-Oct-2013 12:27:38 Shih-ti-ping Taiwan  0.0

See full locations list (RSS)


Initial conditions

Title: "M6.7 Off-Shore"

Fault parameters

  • Latitude: 23.497
  • Longitude: 121.348
  • Length: 35 km
  • Width: 9 km
  • Magnitude: 6.7 M

Okada parameters:

  • Slip: 1 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 14 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 118.348, 20.497, 124.348, 26.497
  • Instead of Step -> use Cell size:.5 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.