M 4.7 in Mayotte on 15 May 2018 20:25 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: 4.7M
Depth: 10 Km
Lat/Lon: -12.878 , 45.5485
Event Date: 15 May 2018 20:25 UTC
15 May 2018 23:25 Local
Exposed Population:
210000 people within 100km
Source: NEIC us1000e5su
Inserted at: 15 May 2018 21:04 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us1000e5su Scaled population (vector) 5.58  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1210721 0 15 May 2018 20:25 4.7M, 10km N/A 220 thousand (in 100km) 00:38 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 Mayotte , of Mayotte. The nearest places are Dzaoudzi, Mamoudzou, Bandele, Dembeni, Dapani, Longoni, Chingoni, Sada, Cani, Dzoumogne, and Accua.

Radius Population
100 km 220000 people
75 km 220000 people
50 km 160000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Mayotte Mayotte -
Comoros Comoros -
Glorioso Is. Miscellaneous (French) Indian Ocean Islands -
Antsiranana Madagascar 820000 people
Mahajanga Madagascar 1.4 million people
Seychelles Seychelles 73000 people
Toamasina Madagascar 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Dzaoudzi Mayotte Village 14000 people 34 km
Mamoudzou Mayotte Capital 55000 people 41 km
Bandele Mayotte Village - 41 km
Dembeni Mayotte Village 7300 people 42 km
Dapani Mayotte Village - 44 km
Longoni Mayotte Village - 44 km
Chingoni Mayotte Village - 49 km
Sada Mayotte Village 9600 people 50 km
Cani Mayotte Village - 50 km
Dzoumogne Mayotte Village - 54 km
Moliha Mayotte Village - 54 km
Accua Mayotte Village - 60 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
Dzaoudzi Pamanzi DZA 8 Civ. Paved Yes 6000 33 km

Ports

Name LOCODE Country Distance
Zaudzi Mayotte 35 km
Dzaoudzi YTDZA Mayotte 40 km

More information

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