M 5.1 in Flores Region, Indonesia on 31 Dec 2020 10:18 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: 5.1M
Depth: 122.84 Km
Lat/Lon: -8.8164 , 122.348
Event Date: 31 Dec 2020 10:18 UTC
31 Dec 2020 18:18 Local
Exposed Population:
810000 people within 100km
Source: NEIC us6000d4iv
Inserted at: 31 Dec 2020 10:38 UTC
INFORM Coping capacity of the alert score
4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000d4iv Scaled population (vector) 6.03  
  C1 earthquake 1.54  
  C2 earthquake -0.64  
  Country Vulnerability 0.09  
  INFORM_normalised 0.96  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1350676 0 31 Dec 2020 10:18 5.1M, 122.84km N/A 810 thousand (in 100km) 00:19 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 Indonesia , Province of Nusa Tenggara Timur (population 3,515,623) . The nearest places are Balo, Botang, Doreng, Hebing, Wetakwekoh, Sika, Kewapante, Koting, Luah, Wairgete, and Nd Bélah.

Radius Population
100 km 810000 people
75 km 540000 people
50 km 380000 people
20 km 26000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Nusa Tenggara Timur Indonesia 3.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Balo Nusa Tenggara Timur Indonesia Village - 11 km
Botang Nusa Tenggara Timur Indonesia Village - 14 km
Doreng Nusa Tenggara Timur Indonesia Village - 14 km
Hebing Nusa Tenggara Timur Indonesia Village - 15 km
Wetakwekoh Nusa Tenggara Timur Indonesia Village - 19 km
Sika Nusa Tenggara Timur Indonesia Village - 19 km
Kewapante Nusa Tenggara Timur Indonesia Village - 21 km
Koting Nusa Tenggara Timur Indonesia Village - 22 km
Luah Nusa Tenggara Timur Indonesia Village - 23 km
Wairgete Nusa Tenggara Timur Indonesia Village - 24 km
Nita Nusa Tenggara Timur Indonesia Village - 26 km
Hitokalak Nusa Tenggara Timur Indonesia Village - 26 km
Maumere Nusa Tenggara Timur Indonesia Village 47000 people 27 km
Watoedirang Nusa Tenggara Timur Indonesia Village - 27 km
Nangahale Nusa Tenggara Timur Indonesia Village - 34 km
Paga Nusa Tenggara Timur Indonesia Village - 35 km
Talibura Nusa Tenggara Timur Indonesia Village - 37 km
Kodia Nusa Tenggara Timur Indonesia Village - 37 km
Wolowiro Nusa Tenggara Timur Indonesia Village - 37 km
Wolobeto Nusa Tenggara Timur Indonesia Village - 39 km
Daratpantai Nusa Tenggara Timur Indonesia Village - 40 km
Werangdetoeng Nusa Tenggara Timur Indonesia Village - 40 km
Watoe Neso Nusa Tenggara Timur Indonesia Village - 41 km
Kolisia Nusa Tenggara Timur Indonesia Village - 43 km
Wolofai Nusa Tenggara Timur Indonesia Village - 43 km
Bini Nusa Tenggara Timur Indonesia Village - 43 km
Nebe Nusa Tenggara Timur Indonesia Village - 44 km
Koro Nusa Tenggara Timur Indonesia Village - 46 km
Pulau Babi Nusa Tenggara Timur Indonesia Village - 47 km
Wolowaru Nusa Tenggara Timur Indonesia Village - 48 km
Basa Nusa Tenggara Timur Indonesia Village - 48 km
Tabana Nusa Tenggara Timur Indonesia Village - 48 km
Kedang Nusa Tenggara Timur Indonesia Village - 50 km
Wolowaru Nusa Tenggara Timur Indonesia Village - 50 km
Kringa Nusa Tenggara Timur Indonesia Village - 51 km
Napoeng Ndoera Nusa Tenggara Timur Indonesia Village - 51 km
Pulao Pomana-besor Nusa Tenggara Timur Indonesia Village - 52 km
Ndetoewaroe Nusa Tenggara Timur Indonesia Village - 54 km
Henggi Nusa Tenggara Timur Indonesia Village - 54 km
Dondo Nusa Tenggara Timur Indonesia Village - 58 km
Lewotobi Nusa Tenggara Timur Indonesia Village - 59 km
Wologai Nusa Tenggara Timur Indonesia Village - 60 km
Nobo Nusa Tenggara Timur Indonesia Village - 60 km
Ndetokeli Nusa Tenggara Timur Indonesia Village - 61 km
Watoe Kamba Nusa Tenggara Timur Indonesia Village - 63 km
Poe Nusa Tenggara Timur Indonesia Village - 65 km
Wairunu Nusa Tenggara Timur Indonesia Village - 65 km
Kloreamang Nusa Tenggara Timur Indonesia Village - 66 km
Lamawolo Nusa Tenggara Timur Indonesia Village - 67 km
Nd Bélah Nusa Tenggara Timur Indonesia Village - 68 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
Wai Oti MOF 35 Civ. Paved No 6000 23 km
H Hasan Aroeboesman 15 0 76 km
Larantuka LKA unknown 0 87 km

Ports

Name LOCODE Country Distance
Maumere IDMOF Indonesia 27 km
Ende Indonesia 77 km
Larantuka Indonesia 86 km

More information

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