M 4.8 in Japan on 28 Feb 2021 14:30 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: 4.8M
Depth: 28.12 Km
Lat/Lon: 30.1738 , 131.0856
Event Date: 28 Feb 2021 14:30 UTC
28 Feb 2021 23:30 Local
Exposed Population:
About 45000 people within 100km
Source: NEIC us7000decy
Inserted at: 28 Feb 2021 15:44 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
us7000decy Scaled population (vector) 4.71  
  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
1361121 0 28 Feb 2021 14:30 4.9M, 32.22km N/A 50 thousand (in 100km) 00:25 NEIC
1361127 0 28 Feb 2021 14:30 4.8M, 28.12km N/A 50 thousand (in 100km) 01:14 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 Kyushu (population 13,296,000) . The nearest places are Takesaki, Osaki, Shimonaka, Shimo-Nishime, Nishino, Hirota, Hirayama, Hamada, Kaminaka, Ushino, and Nagata.

Radius Population
100 km 45000 people
75 km 44000 people
50 km 19000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Kyushu Japan 13.3 million people
Shikoku Japan 4.3 million people
Chugoku Japan 8 million people
Okinawa Japan 1.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Takesaki Kagoshima Japan Village - 26 km
Osaki Kagoshima Japan Village - 27 km
Shimonaka Kagoshima Japan Village - 28 km
Shimo-Nishime Kagoshima Japan Village - 29 km
Nishino Kagoshima Japan Village - 29 km
Hirota Kagoshima Japan Village - 30 km
Hirayama Kagoshima Japan Village - 31 km
Hamada Kagoshima Japan Village - 32 km
Kaminaka Kagoshima Japan Village - 32 km
Ushino Kagoshima Japan Village - 36 km
Sakai Kagoshima Japan Village - 37 km
Shimama Kagoshima Japan Village - 37 km
Onasu Kagoshima Japan Village - 38 km
Miza Kagoshima Japan Village - 39 km
Takeyano Kagoshima Japan Village - 40 km
Mitariyama Kagoshima Japan Village - 41 km
Noma Kagoshima Japan Village - 41 km
Nakayama Kagoshima Japan Village - 42 km
Masuda Kagoshima Japan Village - 43 km
Odaira Kagoshima Japan Village - 44 km
Ambo Kagoshima Japan Village - 45 km
Funayuki Kagoshima Japan Village - 45 km
Ikenohira Kagoshima Japan Village - 45 km
Nijuban Kagoshima Japan Village - 48 km
Takenokawa Kagoshima Japan Village - 48 km
Mugyu Kagoshima Japan Village - 48 km
Haro Kagoshima Japan Village - 48 km
Tachiyama Kagoshima Japan Village - 49 km
Hamatsuwaki Kagoshima Japan Village - 50 km
Jurokuban Kagoshima Japan Village - 50 km
Mampa Kagoshima Japan Village - 51 km
Ono Kagoshima Japan Village - 51 km
Onoaida Kagoshima Japan Village - 52 km
Makigawa Kagoshima Japan Village - 52 km
Anjo Kagoshima Japan Village - 53 km
Jusamban Kagoshima Japan Village - 53 km
Kojima Kagoshima Japan Village - 53 km
Fukagawa Kagoshima Japan Village - 54 km
Hirauchi Kagoshima Japan Village - 54 km
Furuta Kagoshima Japan Village - 54 km
Hiramatsu Kagoshima Japan Village - 55 km
Sumiyoshi Kagoshima Japan Village - 56 km
Azako Kagoshima Japan Village - 57 km
Kurazami Kagoshima Japan Village - 58 km
Yakenota Kagoshima Japan Village - 58 km
Miyanoura Kagoshima Japan Village - 58 km
Yudomari Kagoshima Japan Village - 59 km
Shoiiura Kagoshima Japan Village - 60 km
Komakino Kagoshima Japan Village - 60 km
Anno Kagoshima Japan Village - 61 km
Nishinoomote Kagoshima Japan Village 18000 people 62 km
Guniwa Kagoshima Japan Village - 63 km
Yokoyama Kagoshima Japan Village - 63 km
Nakama Kagoshima Japan Village - 63 km
Kurio Kagoshima Japan Village - 64 km
Kerisaki Kagoshima Japan Village - 65 km
Takabo Kagoshima Japan Village - 66 km
Iseki Kagoshima Japan Village - 66 km
Osaki Kagoshima Japan Village - 67 km
Segire Kagoshima Japan Village - 67 km
Yanagihara Kagoshima Japan Village - 68 km
Hayama Kagoshima Japan Village - 68 km
Nagata Kagoshima Japan Village - 68 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
Tanegashima TNE 97 Civ. Paved Yes 4900 43 km
Yakushima KUM 37 Civ. Paved Yes 4900 47 km
Nishinoomote IIN unknown 0 71 km

Dams

Reservoir Dam Name River Year Distance
Saikyo Saikyo Matanobugawa 1984 66 km

More information

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