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: 6.39 Km
Lat/Lon: -8.2735 , 116.4911
Event Date: 28 Jul 2018 22:47 UTC
29 Jul 2018 06:47 Local
Exposed Population: About 11000 people in MMI
3670000 people within 100km
Source: NEIC us2000ggbs
Inserted at: 29 Jul 2018 05:38 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 1.7 0 1.7
us2000ggbs Scaled population (vector) 4.45 Max wave scenario 0m  
  C1 shakemap -1.73 Max wave realtime 0.04m  
  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 Bayan, Desa Anjar, Sambaloen Lawang, Sembaloenboemboeng, Salangan, Lepeloang, Soengian, Sembelie, Soeroengdjoekoeng, Lombok, and Sunut.

Radius Population
100 km 3.7 million people
75 km 3.4 million people
50 km 1.2 million people
20 km 160000 people
10 km 68000 people
5 km 32000 people
2 km 6900 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
Bayan Nusa Tenggara Barat Indonesia Village - 3 km
Desa Anjar Nusa Tenggara Barat Indonesia Village - 4 km
Sambaloen Lawang Nusa Tenggara Barat Indonesia Village - 15 km
Sembaloenboemboeng Nusa Tenggara Barat Indonesia Village - 18 km
Salangan Nusa Tenggara Barat Indonesia Village - 19 km
Lepeloang Nusa Tenggara Barat Indonesia Village - 20 km
Soengian Nusa Tenggara Barat Indonesia Village - 26 km
Sembelie Nusa Tenggara Barat Indonesia Village - 28 km
Soeroengdjoekoeng Nusa Tenggara Barat Indonesia Village - 33 km
Lombok Nusa Tenggara Barat Indonesia Village - 37 km
Tandjung Nusa Tenggara Barat Indonesia Village - 38 km
Sangjang Nusa Tenggara Barat Indonesia Village - 39 km
Soerelage Nusa Tenggara Barat Indonesia Village - 40 km
Pringgabaja Nusa Tenggara Barat Indonesia Village - 40 km
Pamenang Nusa Tenggara Barat Indonesia Village - 45 km
Masabagik Nusa Tenggara Barat Indonesia Village - 46 km
Kopang Nusa Tenggara Barat Indonesia Village - 46 km
Balli Nusa Tenggara Barat Indonesia Village - 47 km
Sakra Nusa Tenggara Barat Indonesia Village - 49 km
Praya Nusa Tenggara Barat Indonesia Village - 52 km
Mataram Nusa Tenggara Barat Indonesia City 310000 people 54 km
Mangsit Nusa Tenggara Barat Indonesia Village - 54 km
Praja Nusa Tenggara Barat Indonesia Village 33000 people 57 km
Tandjoengkarang Nusa Tenggara Barat Indonesia Village - 57 km
Laboean Mapin Nusa Tenggara Barat Indonesia Village - 57 km
Genti Nusa Tenggara Barat Indonesia Village - 60 km
Tapir Beru Nusa Tenggara Barat Indonesia Village - 61 km
Geroeng Nusa Tenggara Barat Indonesia Village - 66 km
Alas Nusa Tenggara Barat Indonesia Village - 66 km
Sengkol Nusa Tenggara Barat Indonesia Village - 67 km
Pernang Nusa Tenggara Barat Indonesia Village - 68 km
Sunut 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 55 km

Ports

Name LOCODE Country Distance
Labuhanhaji Indonesia 54 km
Ampenan IDAMP Indonesia 57 km
Labuantring Bay Indonesia 71 km
Taliwang Indonesia 72 km

More information

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