M 5.6 in Near East Coast Of Honshu, Japan on 02 Jan 2020 18:23 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 5.6M
Depth: 32.2 Km
Lat/Lon: 35.8319 , 141.2779
Event Date: 02 Jan 2020 18:23 UTC
03 Jan 2020 03:23 Local
Exposed Population: 2320000 people within 100km
Source: NEIC us70006ttf
Inserted at: 03 Jan 2020 18:28 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us70006ttf Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1288570 0 02 Jan 2020 18:23 5.6M, 32.2km 4.09 N/A (in MMI>=VII) 1d 00:04 NEIC
1288935 0 02 Jan 2020 18:23 5.6M, 17.05km 4.54 N/A (in MMI>=VII) 3d 01:22 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 Japan , Region of Kanto (population 38,543,000) . The nearest places are Inuwaka, Tokawacho, Choshi, Yatabe, Okunoya, Asahi Yokaichiba, Kashima, Omigawa, Kyuchu, Koya, and Mito.

Radius Population
100 km 2.3 million people
75 km 530000 people
50 km 96000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people
Tohoku Japan 10 million people
Chubu Japan 5.2 million people
Kinki Japan 22.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Inuwaka Chiba Japan Village - 41 km
Tokawacho Chiba Japan Village - 41 km
Choshi Chiba Japan City 84000 people 43 km
Yatabe Ibaraki Japan Village - 45 km
Okunoya Ibaraki Japan Village - 54 km
Asahi Yokaichiba Chiba Japan Village - 58 km
Kashima Ibaraki Japan Village 65000 people 60 km
Omigawa Chiba Japan City 25000 people 60 km
Kyuchu Ibaraki Japan Village - 60 km
Koya Ibaraki Japan Village - 61 km
Obunatsu Ibaraki Japan Village - 61 km
Aotsuka Ibaraki Japan Village - 63 km
Hamatsuga Ibaraki Japan Village - 64 km
Omi Ibaraki Japan Village - 65 km
Narage Ibaraki Japan Village - 67 km
Idako Ibaraki Japan Village - 67 km
Kyochikama Ibaraki Japan Village - 67 km
Ushibori Ibaraki Japan Village - 67 km
Negoya Ibaraki Japan Village - 69 km
Muyokama Ibaraki Japan Village - 69 km
Nekoya Ibaraki Japan Village - 70 km
Mito Ibaraki Japan Major city 240000 people 100 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
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 81 km
Hyakuri 32 Mil. Paved Yes 8800 87 km
Ryugasaki 2 0 94 km
Ryugasaki South 2 0 94 km

Ports

Name LOCODE Country Distance
Choshi JPCHO Japan 42 km
Kashima JPKSM Japan 53 km
Hitachi JPHTC Japan 94 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 71 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 92 km

More information

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