M 6.6 in Mexico on 21 Jan 2016 18:06 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: 6.6M
Depth: 10 Km
Event Date: 21 Jan 2016 18:06 UTC
21 Jan 2016 11:06 Local
Exposed Population: No people within 100km
Source: NEIC
Inserted at: 21 Jan 2016 18:27 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 0.2 0.5
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.16m  
  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
1115987 0.3 21 Jan 2016 18:07 6.9M, 10km N/A No people affected (in 100km) 0.3m (at 00:38) 00:08 NTWC    
1115992 0.5 21 Jan 2016 18:06 6.6M, 10km N/A No people affected (in 100km) 0.2m (at 00:31) 00:20 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  0.2m in Ipala, Mexico. This height is estimated for 21-Jan-2016 18:37:07.

Alert Date (UTC) Name Country Wave height (m)
21-Jan-2016 18:37:07 Ipala Mexico  0.2
21-Jan-2016 18:34:24 Aquiles_Serdan Mexico  0.1

See full locations list (RSS)


Initial conditions

Title: "M6.6 215km SW of Tomatlan. Mexico"

Fault parameters

  • Latitude: 18.841
  • Longitude: -106.954
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 126 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -108.454, 17.341, -105.454, 20.341
  • 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.