M 5.5 in Gabon from 04 Dec 2022 09:53 UTC to 09:53
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: 5.5M
Depth: 10 Km
Lat/Lon: -1.021 , 10.2209
Event Date: 04 Dec 2022 09:53 UTC
04 Dec 2022 10:53 Local
Exposed Population: Less then 100 people in MMI VI
Few people affected (in MMI>=VII)
Source: NEIC us6000j6u0
Inserted at: 04 Dec 2022 10:10 UTC
INFORM Coping capacity of the alert score: 6 (Gabon)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us6000j6u0 Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1.11  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1476845 0 04 Dec 2022 09:53 5.5M, 10km 7.06 N/A (in MMI>=VII) 00:17 NEIC
1476848 0.2 04 Dec 2022 09:53 5.5M, 3.623km 7.06 514 (in MMI>=VII) 00:47 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 Gabon ,of Moyen-Ogooue (population 91,759) . The alertlevel for this event is GREEN

Intensity Population
<1000 people
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1476845 10.221/-1.021 5.5 10 7.065 04 Dec 2022 10:15 00:22 (new episode)
2 0 1476848 10.218/-1.037 5.5 3.6 7.87 04 Dec 2022 10:43 00:50 (new episode)
3 0 1476848 10.218/-1.037 5.5 3.6 7.87 04 Dec 2022 12:00 02:07 (upd of #2)
4 0 1476848 10.218/-1.037 5.5 3.6 7.87 05 Dec 2022 10:40 1d 00:47 (upd of #3)
5 0.2 1476848 10.236/-1.014 5.5 10 7.065 13 Dec 2022 00:50 8d 14:57 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Moyen-Ogooue Gabon <1000 people
Ngounie Gabon no people
Moyen-Ogooue Gabon <1000 people
Ngounie Gabon no people
Ogooue-Maritime Gabon no people
Moyen-Ogooue Gabon 62000 people
Ngounie Gabon 51000 people
Ogooue-Maritime Gabon 100000 people
Estuaire Gabon 500000 people
Ogooue-Lolo Gabon no people
Ogooue-Ivindo Gabon <1000 people
Nyanga Gabon 5600 people
Woleu-Ntem Gabon no people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Azériba Moyen-Ogooue Gabon Village - 8 km
Ndjambalika Moyen-Ogooue Gabon Village - 20 km
Bigouenya Moyen-Ogooue Gabon Village - 26 km
Tchad Moyen-Ogooue Gabon Village - 27 km
Mayengue Moyen-Ogooue Gabon Village - 33 km
Lambaréné Moyen-Ogooue Gabon Village 19000 people 35 km
Elombé Moyen-Ogooue Gabon Village - 38 km
Otanda Moyen-Ogooue Gabon Village - 41 km
Mimbanda Ngounie Gabon Village - 45 km
Fougamou Ngounie Gabon Village 5600 people 46 km
Sindara Ngounie Gabon Village - 48 km
Iguendjo Moyen-Ogooue Gabon Village - 50 km
Madangou Ngounie Gabon Village - 51 km
Boali Ngounie Gabon Village - 51 km
Moulamba Ngounie Gabon Village - 53 km
Veyrié Ogooue-Maritime Gabon Village - 55 km
Yombi Ngounie Gabon Village - 62 km
Bindéli Ngounie Gabon Village - 62 km
Mavou Ngounie Gabon Village - 63 km
Nzamata Moyen-Ogooue Gabon Village - 65 km
Aloun Moyen-Ogooue Gabon Village - 67 km
Issac Moyen-Ogooue Gabon Village - 68 km
Obaye Ngounie Gabon Village - 68 km
Esende Ogooue-Maritime Gabon Village - 72 km
Dilalou Ogooue-Maritime Gabon Village - 75 km
Vanguenengué Ogooue-Maritime Gabon Village - 77 km
Sangala Ngounie Gabon Village - 78 km
Bilanzambi Ngounie Gabon Village - 79 km
Paguilou Ogooue-Maritime Gabon Village - 79 km
Guidouma Ngounie Gabon Village - 85 km
Mpaga Ogooue-Maritime Gabon Village - 86 km
Bifoum Moyen-Ogooue Gabon Village - 87 km
Oberting Moyen-Ogooue Gabon Village - 88 km
Dianongo Ogooue-Maritime Gabon Village - 89 km
Ndougou Ogooue-Maritime Gabon Village - 93 km
Acondjo Estuaire Gabon Village - 94 km
Ngoumbi Ogooue-Maritime Gabon Village - 95 km
Ebéa Moyen-Ogooue Gabon Village - 97 km
Egnounga Ngounie Gabon Village - 97 km
Dondo Moucoubango Ngounie Gabon Village - 97 km
Ikengué Ogooue-Maritime Gabon Village - 98 km
Vandaréné Ogooue-Maritime Gabon Village - 100 km
Yéno Ogooue-Maritime Gabon Village - 103 km
Ovéna Moyen-Ogooue Gabon Village - 108 km
Ndjolé Moyen-Ogooue Gabon Village 4800 people 111 km
Coungou Ngounie Gabon Village - 112 km
Lassonie Ogooue-Maritime Gabon Village - 112 km
Ibega Ogooue-Maritime Gabon Village - 113 km
Toungounamba II Gabon Village - 113 km
Mimongo Ngounie Gabon Village - 113 km
Oyan Estuaire Gabon Village - 114 km
Bengoué Ogooue-Maritime Gabon Village - 116 km
Manega Ogooue-Maritime Gabon Village - 117 km
Ghébida Ngounie Gabon Village - 118 km
Iguéné Ogooue-Maritime Gabon Village - 119 km
Nzeng-Bour Estuaire Gabon Village - 119 km
Akourmané Estuaire Gabon Village - 121 km
Ekéoua Ogooue-Maritime Gabon Village - 122 km
Mavoul Estuaire Gabon Village - 122 km
Kendie Ogooue-Maritime Gabon Village - 123 km
Mandji Ogooue-Maritime Gabon Village - 123 km
Fernand-Vaz Gabon Village - 123 km
Ovel Kol Estuaire Gabon Village - 124 km
Mouboungou Ngounie Gabon Village - 124 km
Ndamba Ngounie Gabon Village - 124 km
Gongoué Ogooue-Maritime Gabon Village - 125 km
Orali Ogooue-Maritime Gabon Village - 126 km
Batanga Gabon Village - 126 km
Bongo Ogooue-Maritime Gabon Village - 126 km
Nlang-Mbeng Estuaire Gabon Village - 127 km
Mouila Ngounie Gabon Village 22000 people 129 km
Mpando Ogooue-Maritime Gabon Village - 129 km
Alembé Moyen-Ogooue Gabon Village - 132 km
Odimba Ogooue-Maritime Gabon Village - 132 km
Kango Estuaire Gabon Village 1400 people 132 km
Ongouendjo Ogooue-Maritime Gabon Village - 133 km
Yetsou II Ngounie Gabon Village - 133 km
Moghoumou Ngounie Gabon Village - 135 km
Ancien Matica Ngounie Gabon Village - 137 km
Agonenzork Estuaire Gabon Village - 138 km
Malaba Ngounie Gabon Village - 139 km
Mondorobé Ogooue-Maritime Gabon Village - 141 km
Moutassou Ngounie Gabon Village - 142 km
Oueliga Ngounie Gabon Village - 143 km
Kobékobe Estuaire Gabon Village - 145 km
Ancien Founa Moyen-Ogooue Gabon Village - 145 km
Ayoumba Ngounie Gabon Village - 145 km
Tassi Ogooue-Maritime Gabon Village - 145 km
Simane Ogooue-Maritime Gabon Village - 145 km
Nfoulameyong Estuaire Gabon Village - 146 km
Ndouaniang Estuaire Gabon Village - 147 km
Diéla Vievi Ogooue-Maritime Gabon Village - 149 km
Dissala Nyanga Gabon Village - 149 km
Nioungou Ogooue-Maritime Gabon Village - 150 km
Ozomboua Ogooue-Maritime Gabon Village - 153 km
Petit Loango Ogooue-Maritime Gabon Village - 153 km
Mevang Moyen-Ogooue Gabon Village - 153 km
Obele Estuaire Gabon Village - 154 km
Nzamaligue Estuaire Gabon Village - 155 km
Ayem Estuaire Gabon Village - 156 km
Mboungou Ngounie Gabon Village - 156 km
Ingong Estuaire Gabon Village - 161 km
N'Dama Ogooue-Maritime Gabon Village - 161 km
Port Gentil Ogooue-Maritime Gabon Major city - 164 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Lambarene LBQ 25 Civ. Unpaved No 7100 35 km
Fougamou FOU 80 Civ. Unpaved No 4900 53 km
Mandji KMD unknown 0 75 km
Manega MGO unknown 0 79 km
Alowe AWE unknown 0 91 km
Petit Bambam 88 0 93 km
Biawonque BAW unknown 0 94 km
N Djole KDJ unknown 0 104 km
Wora Na Ye International WNE unknown 0 104 km
Omboue Hopital OMB 10 Civ. Paved No 5500 123 km
Bongo BGP unknown 0 127 km
Mouilla Ville MJL 90 Civ. Paved No 5900 131 km
Iguela IGE unknown 0 141 km
Mevang MVG unknown 0 155 km
Owendo OWE unknown 0 165 km
Port Gentil POG 4 Civ. Paved Yes 6200 167 km
Moabi MGX 240 Civ. Unpaved No 3600 179 km
Libreville Leon M Ba LBV 12 Civ. Paved Yes 9800 187 km
Nkan NKA unknown 0 192 km

Ports

Intensity Name LOCODE Country Distance
Kango Gabon 132 km
Oguendjo Terminal GAOWE Gabon 153 km
Port Gentil GAPOG Gabon 163 km
Port Gentil Gabon 164 km
Ovendo GAOWE Gabon 165 km
Kenje Gabon 183 km
La Mondah Gabon 191 km

More information

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