M 4.7 in Japan on 27 Oct 2020 07:01 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: 4.7M
Depth: 42.02 Km
Lat/Lon: 40.1507 , 142.6434
Event Date: 27 Oct 2020 07:01 UTC
27 Oct 2020 17:01 Local
Exposed Population:
170000 people within 100km
Source: NEIC us6000cdmw
Inserted at: 27 Oct 2020 07:23 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000cdmw Scaled population (vector) 4.5  
  C1 earthquake 0.73  
  C2 earthquake -0.22  
  Country Vulnerability -0.71  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1339861 0 27 Oct 2020 07:01 4.7M, 42.02km N/A 170 thousand (in 100km) 00:22 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 Tohoku (population 9,984,608) . The nearest places are Fudai, Shimanokoe, Shimanokoshi, Kiriushi, Omoto, Kosode, Horinai, Kuki, Noda-Tamagawa, Hamaiwaizumi, and Noda.

Radius Population
100 km 170000 people
75 km 36000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people
Hokkaido Japan 5.8 million people
Kanto Japan 38.5 million people
Sakhalinskaya oblast' Russian Federation 730000 people
Chubu Japan 5.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Fudai Iwate Japan Village - 63 km
Shimanokoe Iwate Japan Village - 64 km
Shimanokoshi Iwate Japan Village - 65 km
Kiriushi Iwate Japan Village - 66 km
Omoto Iwate Japan Village - 67 km
Kosode Iwate Japan Village - 68 km
Horinai Iwate Japan Village - 68 km
Kuki Iwate Japan Village - 68 km
Noda-Tamagawa Iwate Japan Village - 68 km
Hamaiwaizumi Iwate Japan Village - 69 km
Hirananamisawa Iwate Japan Village - 69 km
Torii Iwate Japan Village - 69 km
Ojiri Iwate Japan Village - 70 km
Minami-Samuraihama Iwate Japan Village - 70 km
Aonotaki Iwate Japan Village - 70 km
Noda Iwate Japan Village - 70 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Name LOCODE Country Distance
Fudai Japan 62 km
Miyako JPMYK Japan 81 km
Yamada Japan 96 km

Dams

Reservoir Dam Name River Year Distance
Yukiyagawa Yukiyagawa Yukiyagawa 1976 97 km
Setsukinaidamuko Setsukinai Setsukinaigawa 1986 98 km

More information

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