M 5.5 in Japan on 21 Feb 2019 12:22 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: 5.5M
Depth: 41.2 Km
Lat/Lon: 42.8126 , 141.9491
Event Date: 21 Feb 2019 12:22 UTC
21 Feb 2019 21:22 Local
Exposed Population: 550000 people in MMI
3410000 people within 100km
Source: NEIC us2000jl3a
Inserted at: 21 Feb 2019 12:38 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
us2000jl3a Scaled population (vector) 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
1249734 0 21 Feb 2019 12:22 5.5M, 41.2km 4.85 N/A (in MMI>=VII) 00:16 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 Hokkaido (population 5,808,054) . The nearest places are Horonai, Takinoue, Azuma, Hayakita, Oiwake, Mayachi, Hobetsu, Naka-hobetsu, Rubeshibe, Hama-atsuma, and Higashi-shizunai.

Radius Population
100 km 3.4 million people
75 km 2.8 million people
50 km 1 million people
20 km 24000 people
10 km 1600 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Hokkaido Japan 5.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Horonai Hokkaido Japan Village - 7 km
Takinoue Hokkaido Japan Village - 11 km
Azuma Hokkaido Japan Village - 11 km
Hayakita Hokkaido Japan Village - 11 km
Oiwake Hokkaido Japan Village - 13 km
Mayachi Hokkaido Japan Village - 16 km
Hobetsu Hokkaido Japan Village - 16 km
Naka-hobetsu Hokkaido Japan Village - 18 km
Rubeshibe Hokkaido Japan Village - 19 km
Hama-atsuma Hokkaido Japan Village - 21 km
Kiyomizudani Hokkaido Japan Village - 21 km
Kenufuchi Hokkaido Japan Village - 22 km
Chitose Hokkaido Japan City 92000 people 25 km
Hobiboe Hokkaido Japan Village - 25 km
Biratori Hokkaido Japan Village - 26 km
Yuni Hokkaido Japan Village - 26 km
Mukawa Hokkaido Japan Village - 26 km
Yubari Hokkaido Japan City 13000 people 28 km
Kuriyama Hokkaido Japan City - 30 km
Furenai Hokkaido Japan Village - 30 km
Sarufuto Hokkaido Japan Village - 31 km
Eniwa Hokkaido Japan Village 68000 people 32 km
Shimamatsu Hokkaido Japan Village - 32 km
Manji Hokkaido Japan Village - 33 km
Kawamukai Hokkaido Japan Village - 33 km
Ninyu Hokkaido Japan Village - 35 km
Tomakomai Hokkaido Japan City 170000 people 35 km
Hachigo-shigaichi Hokkaido Japan Village - 37 km
Kurisawa Hokkaido Japan Village - 38 km
Mombetsu Hokkaido Japan Village - 38 km
Sannakoro Hokkaido Japan Village - 39 km
Oji Hokkaido Japan Village - 41 km
Showa Hokkaido Japan Village - 44 km
Kohan Hokkaido Japan Village - 45 km
Iwamizawa Hokkaido Japan City 84000 people 45 km
Horonai Hokkaido Japan Village - 46 km
Ebetsu Hokkaido Japan City 130000 people 46 km
Atsubetsu Hokkaido Japan Village - 46 km
Horonaibuto Hokkaido Japan Village - 47 km
Kikaiba Hokkaido Japan Village - 48 km
Shin-horonai-tanzan Hokkaido Japan Village - 48 km
Chiroro Hokkaido Japan Village - 49 km
Nishikioka Hokkaido Japan Village - 49 km
Shinotsu Hokkaido Japan Village - 50 km
Mikasa Hokkaido Japan City 12000 people 50 km
Atsugacho Hokkaido Japan Village - 50 km
Tsukisamu Hokkaido Japan Village - 51 km
Kami-tappu Hokkaido Japan Village - 51 km
Kami-yamahana Hokkaido Japan Village - 53 km
Bibai Hokkaido Japan City 29000 people 55 km
Garo Hokkaido Japan Village - 56 km
Ikushumbetsu Hokkaido Japan Village - 56 km
Sapporo Hokkaido Japan Major city 1.9 million people 56 km
Tobetsu Hokkaido Japan Village - 57 km
Shiraoi Hokkaido Japan Village 21000 people 57 km
Takinosawa Hokkaido Japan Village - 58 km
Niikappu Hokkaido Japan Village - 58 km
Sariwarabe Hokkaido Japan Village - 59 km
Higashiyama Hokkaido Japan Village - 61 km
Tsukigata Hokkaido Japan Village - 62 km
Chashinai Hokkaido Japan Village - 63 km
Shizunai Hokkaido Japan Village 22000 people 63 km
Ichibu Hokkaido Japan Village - 64 km
Ikutora Hokkaido Japan Village - 64 km
Tomamu Hokkaido Japan Village - 64 km
Bannaguro Hokkaido Japan Village - 65 km
Jozankei Hokkaido Japan Village - 65 km
Kotoni Hokkaido Japan Village - 66 km
Shimo-futano Hokkaido Japan Village - 67 km
Ishikari Hokkaido Japan Village 57000 people 68 km
Naie Hokkaido Japan Village - 68 km
Shimo-furano Hokkaido Japan Village - 69 km
Higashi-shizunai Hokkaido Japan Village - 70 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
Sapporo-New Chitose CTS 21 Civ. Paved Yes 9800 21 km
Sappora / Chitose 27 Mil. Paved Yes 9800 23 km
Sapporo OKD 8 Civ. Paved Yes 4500 57 km
Sado Shima SDS unknown 0 63 km
Tokachi 84 Civ. Paved Yes 4900 99 km

Ports

Name LOCODE Country Distance
Tomakomai JPTMK Japan 33 km
Wakkanai Japan 70 km
Otaru JPOTR Japan 88 km
Muroran JPMUR Japan 97 km
Hamamasu Japan 97 km

Dams

Reservoir Dam Name River Year Distance
Azuma Azuma Azumagawa 1969 8 km
Kawabata Kawabata Yubarigawa 1962 11 km
Hobetsu Hobetsu Hobetsugawa 1984 20 km
Shimizusawa Shimizusawa Yubarigawa 1954 22 km
Nibutaniko Nibutani Sarugawa n/a 26 km
Shuparoko Oyubari Yubarigawa 1959 27 km
Iwachishi Iwachishi Sarugawa 1958 37 km
Horomui Horomui Mappugawa 1990 39 km
Eniwako Izarigawa Izarigawa 1980 41 km
Katsurazawako Katsurazawa Ikushunbetsugawa 1957 48 km
Kanayamako Kanayama Sorachigawa 1967 53 km
Ashibetsuko Ashibetsu Sorachigawa 1952 54 km
Niikappu Niikappu Niikappugawa 1974 55 km
Shimonikappu Shimonikappu Nikappugawa 1969 55 km
Poroshiriko Okunikappu Nikappugawa 1963 62 km
Jozanko Hoheikyo Toyohiragawa 1972 66 km
Shizunaichoseichi Shizunai Shizunaigawa 1966 67 km
Sapporoko Jozankei Otarunaigawa 1989 68 km
Sappinaichosuichi Sappinai Sappinaigawa 1926 68 km
Tsukigata Tsukigata Subetsugawa 1973 68 km
Takamiko Takami Shizunaigawa 1983 69 km
Nokanan Nokanan Nokanangawa 1978 74 km
Kitasatoko Kitasato Sorachigawa 1999 76 km
Higashinosawachoseichi Higashinosawa Koikakushushibicharigawa 1987 77 km
Mitsuishi Mitsuishi Mitsuishigawa 1991 78 km
Nokananko Nokanan Sorachigawa 1971 78 km
Aoyamachosuichi Aoyama Tobetsugawa 1963 80 km
Sahoroko Sahoro Sahorogawa 1984 83 km
Fujinnoumi Horobetsu Horobetsugawa 1967 83 km
Kuttariko Kuttari Tokachigawa 1987 87 km
Rukuchosuichi Shintotsukawa Rukushubetsugawa 1961 88 km
Nisshin Nisshin Pirikafuranuigawa 1970 88 km
Iwamatsuko Iwamatsu Tokachigawa 1943 91 km
Shikisaiko Shirogane Oyaunnaigawa 1996 92 km
Wakkachosuichi Wakka Makinosawagawa 1923 92 km
Higashitaisetsuko Tokachi Tokachigawa 1984 94 km

More information

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