M 6.4 in Indonesia on 28 Jul 2018 22:47 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.4M
Glide number: EQ-2018-000122-IDN
Depth: 7.49 Km
Lat/Lon: -8.332 , 116.4886
Event Date: 28 Jul 2018 22:47 UTC
29 Jul 2018 06:47 Local
Exposed Population: 140000 people in MMI
3680000 people within 100km
Source: NEIC us2000ggbs
Inserted at: 28 Jul 2018 23:04 UTC
INFORM Coping capacity of the alert score
4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 1.5 0 1.5
us2000ggbs Scaled population (vector) 4.19 Max wave scenario 0m  
  C1 shakemap -1.73 Max wave realtime 0.05m  
  C2 shakemap 0.79      
  Country Vulnerability 0      
  INFORM_normalised 0.96      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1221687 2.4 28 Jul 2018 22:47 6.5M, 14km N/A 3.7 million (in 100km) 0m (at 00:00) 00:06 GEOFON
1221690 1.5 28 Jul 2018 22:47 6.4M, 7.49km 7.34 150 thousand (in MMI>=VII) 0.1m (at 00:05) 00:16 NEIC
1221723 1.7 28 Jul 2018 22:47 6.4M, 6.39km 7.69 160 thousand (in MMI>=VII) 0m (at 00:05) 06:50 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 Barat (population 3,624,042) . The nearest places are Sambaloen Lawang, Bayan, Sembaloenboemboeng, Desa Anjar, Lepeloang, Salangan, Sembelie, Soengian, Lombok, Sangjang, and Djareweh.

Radius Population
100 km 3.7 million people
75 km 3.5 million people
50 km 2.1 million people
20 km 190000 people
10 km 62000 people
5 km 16000 people
2 km 3900 people

Affected Provinces

Region Province Country Population
Nusa Tenggara Barat Indonesia 3.6 million people

Affected populated places

Name Region Province Country City class Population Distance
Sambaloen Lawang Nusa Tenggara Barat Indonesia Village - 7 km
Bayan Nusa Tenggara Barat Indonesia Village - 8 km
Sembaloenboemboeng Nusa Tenggara Barat Indonesia Village - 10 km
Desa Anjar Nusa Tenggara Barat Indonesia Village - 12 km
Lepeloang Nusa Tenggara Barat Indonesia Village - 18 km
Salangan Nusa Tenggara Barat Indonesia Village - 22 km
Sembelie Nusa Tenggara Barat Indonesia Village - 23 km
Soengian Nusa Tenggara Barat Indonesia Village - 23 km
Lombok Nusa Tenggara Barat Indonesia Village - 28 km
Sangjang Nusa Tenggara Barat Indonesia Village - 29 km
Soerelage Nusa Tenggara Barat Indonesia Village - 30 km
Pringgabaja Nusa Tenggara Barat Indonesia Village - 31 km
Soeroengdjoekoeng Nusa Tenggara Barat Indonesia Village - 32 km
Masabagik Nusa Tenggara Barat Indonesia Village - 36 km
Tandjung Nusa Tenggara Barat Indonesia Village - 37 km
Balli Nusa Tenggara Barat Indonesia Village - 37 km
Kopang Nusa Tenggara Barat Indonesia Village - 37 km
Sakra Nusa Tenggara Barat Indonesia Village - 39 km
Pamenang Nusa Tenggara Barat Indonesia Village - 43 km
Praya Nusa Tenggara Barat Indonesia Village - 44 km
Mataram Nusa Tenggara Barat Indonesia City 310000 people 48 km
Praja Nusa Tenggara Barat Indonesia Village 33000 people 48 km
Genti Nusa Tenggara Barat Indonesia Village - 50 km
Mangsit Nusa Tenggara Barat Indonesia Village - 51 km
Laboean Mapin Nusa Tenggara Barat Indonesia Village - 51 km
Tandjoengkarang Nusa Tenggara Barat Indonesia Village - 52 km
Tapir Beru Nusa Tenggara Barat Indonesia Village - 53 km
Sengkol Nusa Tenggara Barat Indonesia Village - 58 km
Geroeng Nusa Tenggara Barat Indonesia Village - 59 km
Sunut Nusa Tenggara Barat Indonesia Village - 59 km
Alas Nusa Tenggara Barat Indonesia Village - 61 km
Tallwang Nusa Tenggara Barat Indonesia Village - 61 km
Awang Nusa Tenggara Barat Indonesia Village - 64 km
Taliwang Nusa Tenggara Barat Indonesia Village - 64 km
Pernang Nusa Tenggara Barat Indonesia Village - 64 km
Lembar Nusa Tenggara Barat Indonesia Village - 66 km
Koeta Nusa Tenggara Barat Indonesia Village - 68 km
Djareweh Nusa Tenggara Barat Indonesia Village - 70 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
Selaparang AMI 16 Civ. Paved Yes 6800 50 km

Ports

Name LOCODE Country Distance
Labuhanhaji Indonesia 44 km
Ampenan IDAMP Indonesia 52 km
Taliwang Indonesia 63 km
Labuantring Bay Indonesia 65 km

More information

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