M 6.6 in China from 31 Oct 2013 12:02 UTC to 12:02

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: 6.6M
Depth: 9.34 Km
Event Date: 31 Oct 2013 12:02 UTC
31 Oct 2013 20:02 Local
Exposed Population:
3110000 people within 100km
Source: NEIC
Inserted at: 31 Oct 2013 12:26 UTC

This is a pre-calculated grid scenario. The exact calculation for this event is available here

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 1.1 1 1.1
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.18m  
  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 12:33:07.

Alert Date (UTC) Name Country Wave height (m)
31-Oct-2013 12:33:07 Chia-lu-lan Taiwan  0.1
31-Oct-2013 12:18:42 Feng-pin Taiwan  0.1
31-Oct-2013 12:38:35 Wu-shih_Pi Taiwan  0.1
31-Oct-2013 12:38:35 San_Hsien_Tai Taiwan  0.1
31-Oct-2013 12:19:69 Chia-tsou-wan_Pi Taiwan  0.1
31-Oct-2013 13:15:18 Cheng-kung Taiwan  0.1
31-Oct-2013 12:13:26 Shih-ti-ping Taiwan  0.0
31-Oct-2013 12:55:15 Hsin-ch'eng Taiwan  0.0
31-Oct-2013 12:48:46 Shui-lien Taiwan  0.0
31-Oct-2013 12:36:65 Ta-chiang-k'ou Taiwan  0.0

See full locations list (RSS)


Initial conditions

Title: "M6.6 45km SSW of Hualian. Taiwan"

Fault parameters

  • Latitude: 23.591
  • Longitude: 121.441
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 14 degree
  • Rake: 90 degree
  • Depth: 9 km

Calculation parameters

  • Calculation space (lon/lat): 119.941, 22.091, 122.941, 25.091
  • Instead of Step -> use Cell size:.25 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.