M 6.6 in Japan from 10 Nov 2021 15:45 UTC to 15:45

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: 10 Nov 2021 15:45 UTC
10 Nov 2021 23:45 Local
Exposed Population: No people affected in 100km
Source: NTWC at00r2d3bo
Inserted at: 10 Nov 2021 16:02 UTC
INFORM Coping capacity of the alert score:
1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC 0 0.3 0.3
at00r2d3bo Scaled population (vector) 0 Max wave alert 0.31m  
  C1 earthquake 1 Max wave realtime 0.31m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1408110 0.2 10 Nov 2021 15:45 6.6M, 10km N/A No people affected (in 100km) 0.2m (at 00:24) 00:14 PTWC
1408111 0.3 10 Nov 2021 15:45 6.6M, 10km N/A No people affected (in 100km) 0.3m (at 00:22) 00:17 NTWC
1408112 0.3 10 Nov 2021 15:45 6.6M, 10km 4.08 N/A (in MMI>=VII) 0.3m (at 00:23) 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  0.3m in Bora, Japan. This height is estimated for 10-Nov-2021 16:07:53.

Alert Date (UTC) Name Country Wave height (m)
10-Nov-2021 16:07:53 Bora Japan  0.3
10-Nov-2021 16:07:41 Sugama Japan  0.2
10-Nov-2021 16:07:41 Arasato Japan  0.2
10-Nov-2021 16:24:77 Kuninaka Japan  0.1
10-Nov-2021 16:24:77 Ichimasui Japan  0.1

See full locations list (RSS)


Initial conditions

Title: ""165 km SE of Hirara""

Fault parameters

  • Latitude: 23.7
  • Longitude: 126.4
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 233 (geogr angle: north=0, south=180)
  • Dip: 16 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 124.9, 22.2, 127.9, 25.2
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

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

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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