Jun 8, 2017

Green earthquake alert (4.9M,depth:38.19km) in Japan at 6/8/2017 12:25:29 AM

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 4.9M, Depth:38.19km
  • 08 Jun 2017 00:25:29 UTC
  • 9222937 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: 4.9 M
  • Depth: 38.19 km (deep)
  • Source: NEIC NEIC
  • Location (latitude/longitude): 35.5798, 140.7209
  • Time (UTC): 08 Jun 2017 00:25:29
  • Time (ECT): 08 Jun 2017 02:25:29

Earthquake Impact Details

The earthquake happened off shore, near Japan, Region of Kanto (population 38,543,000). The distance to the nearest coast is 10km. The nearest places are Asahi Yokaichiba (16km), Tokawacho (17km), Inuwaka (18km), Choshi (83000 people , 19km), Hasunuma (21km), and 84 more.

The following vulnerable infrastructure is nearby and may be affected.

For logistics, the following access points are nearby. The nearest airports are Tokyo Narita International (runway 13100ft, 36km), Shimoshizu (51km), Ryugasaki South (54km), Ryugasaki (57km), Shimofusa (runway 7300ft, 68km), and 3 more. The nearest ports are Choshi (19km), Kashima (35km), Chiba (55km), Anegasaki (56km), Goi (56km), and 3 more.

The maximum altitude nearby is NaNm.

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

Radius Population Density (people/km2)
75 km 3.2 million people 185
50 km 960000 people 123
20 km 91000 people 72
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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