Apr 30, 2017

Green earthquake alert (5M,depth:12.05km) in Japan at 4/29/2017 8:22:58 PM

Green Earthquake in Japan


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 5M, Depth:12.05km
  • 29 Apr 2017 20:22:58 UTC
  • 316204 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: 5 M
  • Depth: 12.05 km (shallow)
  • Source: NEIC NEIC
  • Location (latitude/longitude): 30.7721, 131.3963
  • Time (UTC): 29 Apr 2017 20:22:58
  • Time (ECT): 29 Apr 2017 22:22:58

Earthquake Impact Details

The earthquake happened off shore, near Japan, Region of Kyushu (population 13,296,000). The distance to the nearest coast is 28km. The nearest places are Shoiiura (29km), Iseki (30km), Guniwa (30km), Anno (30km), Azako (31km), and 52 more.

The following vulnerable infrastructure is nearby and may be affected.

For logistics, the following access points are nearby. The nearest airports are Nishinoomote (33km), Tanegashima (runway 4900ft, 46km), Yakushima (runway 4900ft, 79km), and Kanoya (runway 7300ft, 86km). The nearest ports are Shibushi (84km), Yamagawa (87km), and Aburatsu (92km).

The maximum altitude nearby is NaNm.

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

Radius Population Density (people/km2)
75 km 36000 people 2
50 km 18000 people 2
20 km no people 0
10 km no people 0



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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