M 4.7 in Japan on 28 Feb 2015 08:40 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: 47.41 Km
Lat/Lon: 35.6273 , 140.7215
Event Date: 28 Feb 2015 08:40 UTC
28 Feb 2015 17:40 Local
Exposed Population:
19271152 people within 100km
Source: NEIC
Inserted at: 28 Feb 2015 09:07 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1072780 0.1 28 Feb 2015 08:40 4.7M, 47.41km N/A 19.3 million (in 100km) 00:26 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 Asahi Yokaichiba, Tokawacho, Inuwaka, Choshi, Yatabe, Hasunuma, Yokoshiba, Tako, Omigawa, Katakai, and Kawasaki.

Radius Population
100 km 20.2 million people
75 km 6.4 million people
50 km 1.5 million people
20 km 210000 people
10 km 13000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Asahi Yokaichiba Chiba Japan Village - 12 km
Tokawacho Chiba Japan Village - 15 km
Inuwaka Chiba Japan Village - 15 km
Choshi Chiba Japan City 84000 people 15 km
Yatabe Ibaraki Japan Village - 20 km
Hasunuma Chiba Japan Village - 22 km
Yokoshiba Chiba Japan Village - 22 km
Tako Chiba Japan City - 26 km
Omigawa Chiba Japan City 25000 people 27 km
Katakai Chiba Japan City - 27 km
Okunoya Ibaraki Japan Village - 28 km
Naruto Chiba Japan City 22000 people 29 km
Togane Chiba Japan Village 55000 people 32 km
Narita Chiba Japan City 100000 people 34 km
Ino Chiba Japan Village - 35 km
Idako Ibaraki Japan Village - 38 km
Kashima Ibaraki Japan Village 65000 people 38 km
Kyuchu Ibaraki Japan Village - 38 km
Obunatsu Ibaraki Japan Village - 39 km
Oami Chiba Japan Village - 39 km
Ushibori Ibaraki Japan Village - 41 km
Kansaki Chiba Japan Village - 42 km
Namegawa Chiba Japan Village - 43 km
Ichinomiya Chiba Japan Village - 43 km
Koya Ibaraki Japan Village - 44 km
Mobara Chiba Japan City 96000 people 44 km
Itako Ibaraki Japan Village 25000 people 45 km
Sakura Chiba Japan City 180000 people 45 km
Nekoya Ibaraki Japan Village - 46 km
Negoya Ibaraki Japan Village - 47 km
Omi Ibaraki Japan Village - 47 km
Koda Ibaraki Japan Village - 47 km
Aotsuka Ibaraki Japan Village - 47 km
Narage Ibaraki Japan Village - 47 km
Aso Ibaraki Japan Village - 48 km
Ryugasaki Chiba Japan Village 85000 people 49 km
Aonuma Ibaraki Japan Village - 49 km
Hamatsuga Ibaraki Japan Village - 49 km
Chiba-nyutaun Chiba Japan Village - 50 km
Yoshikawa Ibaraki Japan Village - 51 km
Chonan Chiba Japan Village - 51 km
Edosaki Ibaraki Japan Village 21000 people 51 km
Oshita Ibaraki Japan Village - 52 km
Yamada Ibaraki Japan Village - 52 km
Ohara Chiba Japan City 20000 people 52 km
Fuda Ibaraki Japan Village - 52 km
Kyochikama Ibaraki Japan Village - 53 km
Oyama Ibaraki Japan Village - 53 km
Kubo Ibaraki Japan Village - 54 km
Taiyo Ibaraki Japan Village - 54 km
Inoue Ibaraki Japan Village - 54 km
Obata Ibaraki Japan Village - 54 km
Chiba Chiba Japan Major city 920000 people 54 km
Muyokama Ibaraki Japan Village - 55 km
Kofunatsu Ibaraki Japan Village - 55 km
Yaida Ibaraki Japan Village - 56 km
Ryugaski Ibaraki Japan Village - 57 km
Fukawa Ibaraki Japan Village - 58 km
Dainigorisawa Ibaraki Japan Village - 58 km
Kihara Ibaraki Japan Village - 58 km
Ushiku Chiba Japan Village - 58 km
Goi Chiba Japan Village - 58 km
Takata Ibaraki Japan Village - 58 km
Aruga Ibaraki Japan Village - 59 km
Omori Chiba Japan Village - 59 km
Owana Ibaraki Japan Village - 59 km
Otake Ibaraki Japan Village - 61 km
Owada Ibaraki Japan Village - 62 km
Kashiwazaki Ibaraki Japan Village - 62 km
Sakihama Ibaraki Japan Village - 62 km
Kamiyama Ibaraki Japan Village - 63 km
Iina Ibaraki Japan Village - 63 km
Wakaguri Ibaraki Japan Village - 64 km
Jikkoku Ibaraki Japan Village - 64 km
Hokota Ibaraki Japan Village 28000 people 64 km
Katsuura Chiba Japan Village 22000 people 64 km
Ambo Ibaraki Japan Village - 65 km
Hangu Ibaraki Japan Village - 65 km
Katsuori Ibaraki Japan Village - 65 km
Anegasaki Chiba Japan Village - 65 km
Ushiku Ibaraki Japan Village 79000 people 65 km
Shishikura Ibaraki Japan Village - 65 km
Ikku Ibaraki Japan Village - 65 km
Kamagaya Chiba Japan City 110000 people 66 km
Torinosu Ibaraki Japan Village - 66 km
Fujishiro Ibaraki Japan Village 33000 people 67 km
Noda Ibaraki Japan Village - 67 km
Ishiyatsudo Ibaraki Japan Village - 67 km
Iioka Ibaraki Japan Village - 67 km
Tonouchi Ibaraki Japan Village - 67 km
Funabashi Chiba Japan City 560000 people 67 km
Arakawa-Oki Ibaraki Japan Village - 68 km
Abiko Chiba Japan City 130000 people 68 km
Tamatsukuri Ibaraki Japan Village - 69 km
Kai-Tamari Ibaraki Japan Village - 69 km
Ogawa Ibaraki Japan Village - 69 km
Kururi Chiba Japan Village - 69 km
Asahi Ibaraki Japan Village - 69 km
Funaki Ibaraki Japan Village - 70 km
Tokyo Tokyo Japan Capital 8.1 million people 81 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 34 km
Shimoshizu 30 0 51 km
Ryugasaki South 2 0 52 km
Ryugasaki 2 0 54 km
26 0 66 km
Shimofusa 30 Civ. Paved Yes 7300 67 km
Hyakuri 32 Mil. Paved Yes 8800 67 km
Kisarazu 3 Mil. Paved Yes 6000 78 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 86 km
Chiba-ken 19 0 93 km
Yokohama YOK unknown 0 100 km

Ports

Name LOCODE Country Distance
Choshi JPCHO Japan 16 km
Kashima JPKSM Japan 30 km
Chiba JPCHB Japan 55 km
Anegasaki JPANE Japan 56 km
Goi JPGOI Japan 57 km
Katsuura Ko Japan 67 km
Katunan Ko Japan 67 km
Kisarazu JPKZU Japan 77 km
Ogasawara JPOGA Japan 84 km
Tokyo JPTYO Japan 88 km
Kawasaki JPKWS Japan 88 km
Hitachi JPHTC Japan 97 km
Yokohama JPYOK Japan 100 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 42 km
Yamakura Yamakura Yamakuragawa 1964 56 km
Takatakiko Takataki Yorogawa 1990 60 km
Kameyamako Kameyama Obitsugawa 1980 73 km
Kori Kori Korigawa 1972 82 km
Jajanboike Kozogawa Kozogawa 1985 93 km
Sakuma Sakuma Okuzuregawa 1990 93 km

Nuclear plants

Name Country Reactors Distance
TOKAI JAPAN 3 93 km

More information

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