Jun 4, 2017

Green earthquake alert (4.5M,depth:27.22km) in Japan at 6/4/2017 12:56:13 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 4.5M, Depth:27.22km
  • 04 Jun 2017 00:56:13 UTC
  • 19913314 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: 27.22 km (shallow)
  • Source: NEIC NEIC
  • Location (latitude/longitude): 35.3429, 140.4627
  • Time (UTC): 04 Jun 2017 00:56:13
  • Time (ECT): 04 Jun 2017 02:56:13

Earthquake Impact Details

The earthquake happened off shore, near Japan, Region of Kanto (population 38,543,000). The distance to the nearest coast is 5km. The nearest places are Ichinomiya (9km), Ohara (19000 people , 12km), Mobara (95000 people , 17km), Katakai (20km), Chonan (20km), and 60 more.

The following vulnerable infrastructure is nearby and may be affected.

For logistics, the following access points are nearby. The nearest airports are Shimoshizu (44km), Tokyo Narita International (runway 13100ft, 47km), Kisarazu (runway 6000ft, 50km), Ryugasaki South (62km), Shimofusa (runway 7300ft, 65km), and 6 more. The nearest ports are Katsuura Ko (27km), Goi (38km), Chiba (42km), Anegasaki (43km), Kisarazu (49km), and 11 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 5.5 million people 312
50 km 1.6 million people 210
20 km 140000 people 112
10 km 12000 people 39



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