M 7.3 in Russian Federation from 20 Dec 2018 17:01 UTC to 17:01

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: 7.3M
Depth: 33 Km
Event Date: 20 Dec 2018 17:01 UTC
21 Dec 2018 04:01 Local
Exposed Population: About 600 people within 100km
Source: PTWC pt18354000
Inserted at: 20 Dec 2018 17:12 UTC
INFORM Coping capacity of the alert score:
4.6 (Russia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 0.3 0.3
pt18354000 Scaled population (vector) 1.81 Max wave alert 0.29m  
  C1 earthquake 0.74 Max wave realtime 0.32m  
  C2 earthquake -0.13      
  Country Vulnerability -0.43      
  INFORM_normalised 0.94      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1241842 0.3 20 Dec 2018 17:01 7.3M, 33km N/A Few people (in 100km) 0.3m (at 00:42) 00:10 PTWC
1241844 0.3 20 Dec 2018 17:01 7.3M, 33km N/A Few people (in 100km) 0.4m (at 00:28) 00:11 NTWC    
1241854 0.6 20 Dec 2018 17:01 7.4M, 9.59km 6.04 N/A (in MMI>=VII) 0.7m (at 01:06) 00:20 NEIC
1241901 0.5 20 Dec 2018 17:01 7.3M, 16.56km 6.92 less than 100 (in MMI>=VII) 0.6m (at 00:46) 05:25 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 Seleniye, Russia. This height is estimated for 20-Dec-2018 17:27:46.

Alert Date (UTC) Name Country Wave height (m)
20-Dec-2018 17:27:46 Seleniye Russia  0.3
20-Dec-2018 17:27:46 Nikolskoye Russia  0.3
20-Dec-2018 17:15:06 Sarannove Russia  0.2
20-Dec-2018 18:19:82 Khaylyulinskiy Russia  0.2
20-Dec-2018 18:09:93 Podutesnaya Russia  0.1
20-Dec-2018 17:17:04 Novoolyutorka Russia  0.1
20-Dec-2018 17:09:75 Tilichiki Russia  0.1
20-Dec-2018 18:29:84 Uka Russia  0.1
20-Dec-2018 19:21:93 Palana Russia  0.1
20-Dec-2018 19:33:06 Makaryevskoye Russia  0.1
20-Dec-2018 17:41:16 Shubertovskiy Russia  0.1
20-Dec-2018 17:49:81 Kinkil Russia  0.1

See full locations list (RSS)


Initial conditions

Title: ""83km WSW of Nikolskoye""

Fault parameters

  • Latitude: 54.849
  • Longitude: 164.827
  • Length: 70 km
  • Width: 19 km
  • Magnitude: 7.3 M

Okada parameters:

  • Slip: 1.9 m
  • Strike: 299 (geogr angle: north=0, south=180)
  • Dip: 17 degree
  • Rake: 90 degree
  • Depth: 33 km

Calculation parameters

  • Calculation space (lon/lat): 158.827, 48.849, 170.827, 60.849
  • Instead of Step -> use Cell size:1 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.