Apr 30, 2017

Green earthquake alert (4.5M,depth:93.16km) in Indonesia at 4/30/2017 8:28:51 AM

Green Earthquake in Indonesia


Population Density near epicenter (people/km2). Image area: 6x4 decimal degrees (approx. 650x450km2).


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

  • Earthquake Magnitude 4.5M, Depth:93.16km
  • 30 Apr 2017 08:28:51 UTC
  • 1519707 people within 100km

Whether international humanitarian aid is needed must be decided by an expert.

See the GDACS website for live news coverage (including OCHA Situation Reports), the full earthquake report

For information on emergency response, please consult the GDACS Virtual OSOCC.


Earthquake Event


  • Magnitude: 4.5 M
  • Depth: 93.16 km (deep)
  • Source: NEIC NEIC
  • Location (latitude/longitude): 1.611, 98.6104
  • Time (UTC): 30 Apr 2017 08:28:51
  • Time (ECT): 30 Apr 2017 10:28:51

Earthquake Impact Details

The earthquake happened inIndonesia, Province of Sumatera Utara (population 9,319,344). The distance to the nearest coast is 0km. The nearest places are Sibolga (79000 people , 24km), Halangan (28km), Koealabatangtoroe (29km), Sorkam (31km), Lumut (39km), and 18 more.

The following vulnerable infrastructure is nearby and may be affected.

For logistics, the following access points are nearby. The nearest airports are Pinangsore (33km), and Aek Godang (95km). The nearest ports are Sibolga (24km), Barus (48km), Lae Tapus (57km), and Tabuyung (94km).

The maximum altitude nearby is NaNm.

The population near the earthquake is shown in the table below.

Radius Population Density (people/km2)
75 km 780000 people 44
50 km 520000 people 67
20 km 7300 people 5
10 km 3200 people 10



While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website. Please refer to the GDACS website for subscribing or unsubscribing from the earthquake alert email or SMS service.

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