M 4.8 in Russian Federation on 20 Oct 2021 04:45 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: 4.8M
Depth: 10 Km
Lat/Lon: 43.2441 , 45.5995
Event Date: 20 Oct 2021 04:45 UTC
20 Oct 2021 07:45 Local
Exposed Population:
2.7 million in 100km
Source: NEIC us6000fw1d
Inserted at: 21 Oct 2021 22:27 UTC
INFORM Coping capacity of the alert score
4.6 (Russia)
INFORM Coping capacity of the affected contries: Russia= 4.6; Georgia= 3.4

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.2 0.2
us6000fw1d Scaled population (vector) 6.81  
  C1 earthquake 0.74  
  C2 earthquake -0.13  
  Country Vulnerability -0.43  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1403399 0.2 20 Oct 2021 04:45 4.7M, 10km N/A 2.7 million (in 100km) 00:24 NEIC
1403759 0.2 20 Oct 2021 04:45 4.8M, 10km N/A 2.7 million (in 100km) 1d 17:41 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.

Exposed population

The earthquake happened in Russian Federation , Republic of Chechenskaya Respublika. The nearest places are Alchantschurt, Aldy, Alkhan-Kala, Grozny, Goity, Rabochiy Gorodok, Khadis-Yurt, Gikalovskiy, Blagodatnoye, Urus-Martan, and Vladikavkaz.

Radius Population
100 km 2.7 million people
75 km 1.7 million people
50 km 1.1 million people
20 km 480000 people
10 km 130000 people
5 km 23000 people
2 km 1500 people

Affected Provinces

Region Province Country Population
Chechenskaya Respublika Russian Federation -

Affected populated places

Name Region Province Country City class Population Distance
Alchantschurt Chechnya Russia Village - 3 km
Aldy Chechnya Russia Village - 5 km
Alkhan-Kala Chechnya Russia Village 10000 people 5 km
Grozny Chechnya Russia Major city - 10 km
Goity Chechnya Russia Village - 11 km
Rabochiy Gorodok Chechnya Russia Village - 12 km
Khadis-Yurt Chechnya Russia Village - 12 km
Gikalovskiy Chechnya Russia Village - 12 km
Blagodatnoye Chechnya Russia Village - 13 km
Urus-Martan Chechnya Russia City 41000 people 13 km
Staraya Sunzha Chechnya Russia Village 7800 people 15 km
Prigorodnoye Chechnya Russia Village 4900 people 15 km
Valerak Chechnya Russia Village - 16 km
Chechen-Aul Chechnya Russia Village 7100 people 17 km
Shaami-Yurt Chechnya Russia Village 3200 people 18 km
Predgornoye Chechnya Russia Village - 18 km
Nagayeva Chechnya Russia Village - 18 km
Pervomayskaya Chechnya Russia Village 5000 people 18 km
Berdykel' Chechnya Russia Village - 19 km
Lesnoye Chechnya Russia Village - 19 km
Ataga Chechnya Russia Village - 19 km
Katyr-Yurt Chechnya Russia Village 9100 people 20 km
Roshni-Chu Chechnya Russia Village 4200 people 20 km
Belgatoy Chechnya Russia Village 3200 people 20 km
Alkhazurovo Chechnya Russia Village 5400 people 20 km
Gekhi-Chu Chechnya Russia Village - 21 km
Michurinskiy Chechnya Russia Village - 21 km
Lipovka Chechnya Russia Village - 21 km
Goichu Chechnya Russia Village - 22 km
Grushevoye Chechnya Russia Village - 22 km
Zernosovkhozskiy Chechnya Russia Village - 22 km
Nadrech'ye Chechnya Russia Village - 22 km
Argun Chechnya Russia City - 22 km
Goryacheistochnenskaya Chechnya Russia Village - 24 km
Petropavlovskaya Chechnya Russia Village 3600 people 24 km
Chiri-Yurt Chechnya Russia Village 5100 people 25 km
Samashki Ingushetiya Russia Village 11000 people 25 km
Mesker-Yurt Chechnya Russia Village 11000 people 26 km
Duba-Yurt Chechnya Russia Village 5700 people 26 km
Podgornoye Chechnya Russia Village - 26 km
Tolstav-Yurt Chechnya Russia Village - 26 km
Achkhay-martan Ingushetiya Russia City - 26 km
Germenchak Chechnya Russia Village - 27 km
Davydenko Ingushetiya Russia Village - 27 km
Shali Chechnya Russia City - 27 km
Kizilovo Chechnya Russia Village - 27 km
Il'inskaya Chechnya Russia Village - 30 km
Trëkhgor'ye Chechnya Russia Village - 31 km
Chuzhi-Chu Chechnya Russia Village - 31 km
Novyye Arshty Ingushetiya Russia Village - 32 km
Novyy Yurt Chechnya Russia Village - 32 km
Razdol'noye Chechnya Russia Village - 33 km
Dzhalka Chechnya Russia Village 6200 people 33 km
Sovetskiy Chechnya Russia Village - 34 km
Oktyabr'skoye Chechnya Russia Village - 34 km
Terskoye Chechnya Russia Village - 34 km
Bamut Ingushetiya Russia Village 5100 people 34 km
Podlesnoye Chechnya Russia Village - 34 km
Adu-Yurt Chechnya Russia Village - 35 km
Nikolaevskaya Chechnya Russia Village - 35 km
Avturi Chechnya Russia Village - 35 km
Agashty Chechnya Russia Village - 35 km
Ken'-Yurt Chechnya Russia Village - 35 km
Assinovskaya Ingushetiya Russia Village 10000 people 35 km
Zibar-Yurt Chechnya Russia Village - 35 km
Maloye Chechnya Russia Village - 35 km
Meredzhoi-Beram Chechnya Russia Village - 36 km
Aslambekovskoye Ingushetiya Russia Village - 36 km
Shedy-Yurt Chechnya Russia Village - 36 km
Chervlennaya Chechnya Russia City - 37 km
Gel'dygen Chechnya Russia Village - 37 km
Kalinovskaya Chechnya Russia City 8300 people 37 km
Krasnoarmeyskoye Chechnya Russia Village - 37 km
Dal'neye Chechnya Russia Village - 38 km
Chemul'ga Ingushetiya Russia Village - 38 km
Konëv Chechnya Russia Village - 39 km
Kirov-Yurt Chechnya Russia Village - 39 km
Avarskoye Chechnya Russia Village - 39 km
Umarok Chechnya Russia Village - 39 km
Benoy Chechnya Russia Village - 39 km
Khvarshini Chechnya Russia Village - 39 km
Kalinovskiy Chechnya Russia Village - 40 km
Kurchaloy Chechnya Russia Village 21000 people 40 km
Arshty Ingushetiya Russia Village - 40 km
Gurchi Chechnya Russia Village - 40 km
Belorech'ye Chechnya Russia Village - 41 km
Zandak-Irzu Chechnya Russia Village - 41 km
Novo-Braguny Chechnya Russia Village - 41 km
Bukuzi Chechnya Russia Village - 42 km
Terkhi Chechnya Russia Village - 42 km
Dutsu-Khote Chechnya Russia Village - 42 km
Gilech Ingushetiya Russia Village - 42 km
Nizhneye Klyuchevoye Ingushetiya Russia Village - 42 km
Sovetskoye Chechnya Russia Village - 42 km
Savel'yevskaya Chechnya Russia Village - 43 km
Peshkhob Chechnya Russia Village - 43 km
Bochagirovo Chechnya Russia Village - 43 km
Gudermes Chechnya Russia City 33000 people 43 km
Mayortun Chechnya Russia Village - 44 km
Kruglovka Chechnya Russia Village - 44 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Groznyy-Goyty East 213 0 10 km
Groznyy East 137 0 16 km
Groznyy GRV 167 0 18 km
Petropavlovskaya 128 0 26 km
Tolstov-Yurt 91 0 29 km
Kalinovskaya 70 0 40 km
Ordzhonvldzevskaya 351 0 47 km
Vladikavkaz OGZ 501 Civ. Paved Yes 9800 81 km
Ordzhonikidze West 661 0 83 km
Mozdok / Veselovksoye 137 0 91 km

More information

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