M 4.9 in Japan on 30 Aug 2011 13:44 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: 4.9M
Depth: Km
Lat/Lon: 39.1833 , 140.429
Event Date: 30 Aug 2011 13:44 UTC
30 Aug 2011 22:44 Local
Exposed Population:
3330000 people within 100km
Source: NEIC us2011qfbe
Inserted at: 30 Aug 2011 16:32 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
us2011qfbe 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
111441 0.5 30 Aug 2011 13:44 4.9M, 146.4km N/A 3.3 million (in 100km) 02:48 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 Shimizu, Ueda, Yuzawa, Nishimonai, Mori, Asamai, Fumoto, Jumomji, Osawa, Matsuaka, and Morioka.

Radius Population
100 km 2.9 million people
75 km 1.6 million people
50 km 470000 people
20 km 170000 people
10 km 78000 people
5 km 20000 people
2 km 2200 people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people

Affected populated places

Name Region Province Country City class Population Distance
Shimizu Akita Japan Village - 3 km
Ueda Akita Japan Village - 3 km
Yuzawa Akita Japan Village 33000 people 3 km
Nishimonai Akita Japan Village - 4 km
Mori Akita Japan Village - 5 km
Asamai Akita Japan Village - 6 km
Fumoto Akita Japan Village - 7 km
Jumomji Akita Japan Village - 7 km
Osawa Akita Japan Village - 7 km
Matsuaka Akita Japan Village - 8 km
Tori-daigo Akita Japan Village - 8 km
Daigo Akita Japan Village - 8 km
Numadate Akita Japan Village - 9 km
Masuda Akita Japan Village - 10 km
Sekiguchi Akita Japan Village - 10 km
Akesawa Akita Japan Village - 10 km
Nakagami Akita Japan Village - 11 km
Tashiro Akita Japan Village - 11 km
Usui Akita Japan Village - 11 km
Niiyama Akita Japan Village - 11 km
Shimo-seki Akita Japan Village - 12 km
Shinto-Yanagita Akita Japan Village - 12 km
Kami-Seki Akita Japan Village - 12 km
Narazaki Akita Japan Village - 13 km
Age Akita Japan Village - 13 km
Tanemori Akita Japan Village - 13 km
Otate Akita Japan Village - 14 km
Akagawa Akita Japan Village - 14 km
Omori Akita Japan Village - 14 km
Odate Akita Japan Village - 14 km
Yoshino Akita Japan Village - 14 km
Yokote Akita Japan Village 39000 people 15 km
Oikata Akita Japan Village - 15 km
Budo Akita Japan Village - 15 km
Mitsunashi Akita Japan Village - 15 km
Tateai Akita Japan Village - 15 km
Aikawa Akita Japan Village - 15 km
Takadoya Akita Japan Village - 16 km
Ota Akita Japan Village - 16 km
Yoshiyachi Akita Japan Village - 16 km
Nozaki Akita Japan Village - 17 km
Maginotai Akita Japan Village - 17 km
Tagonai Akita Japan Village - 17 km
Tanaka Akita Japan Village - 17 km
Ainono Akita Japan Village - 17 km
Hakamagata Akita Japan Village - 17 km
Yokobori Akita Japan Village - 18 km
Motomura Akita Japan Village - 18 km
Shimo-innai Akita Japan Village - 18 km
Inaniwa Akita Japan Village - 18 km
Yamazaki Akita Japan Village - 19 km
Kami-jinego Akita Japan Village - 19 km
Innai Akita Japan Village - 19 km
Uwachi Akita Japan Village - 19 km
Kurobuchi Akita Japan Village - 19 km
O-Matsukawa Akita Japan Village - 19 km
Uwaji Akita Japan Village - 19 km
Itaida Akita Japan Village - 20 km
Kura Akita Japan Village - 20 km
Miroku Akita Japan Village - 20 km
Iizume Akita Japan Village - 20 km
Ogoto Akita Japan Village - 20 km
Sakabe Akita Japan Village - 20 km
Kami-Kawauchi Akita Japan Village - 20 km
Kakumagawa Akita Japan Village - 20 km
Kanesawa Akita Japan Village - 21 km
Sugo Akita Japan Village - 21 km
Kitsunemori Akita Japan Village - 21 km
Fushimi Akita Japan Village - 22 km
Gonai Akita Japan Village - 22 km
Takamatsu Akita Japan Village - 22 km
Naka-Arasawa Akita Japan Village - 22 km
Nakamura Akita Japan Village - 23 km
Kabutoshitamura Akita Japan Village - 23 km
Kiridome Akita Japan Village - 23 km
Kami-Noyage Akita Japan Village - 23 km
Iwaikawa Akita Japan Village - 23 km
Shuzuno Akita Japan Village - 24 km
Sodeyama Akita Japan Village - 24 km
Naka-Hitane Akita Japan Village - 24 km
Yoshiyaji Akita Japan Village - 25 km
Tsubakidai Akita Japan Village - 25 km
Hinosawa Akita Japan Village - 25 km
Kanaya Akita Japan Village - 25 km
Kodade Akita Japan Village - 25 km
Yashima Akita Japan Village - 26 km
Shimo-Shinden Akita Japan Village - 26 km
Nonoshuku Iwate Japan Village - 26 km
Arakawa Akita Japan Village - 26 km
Tadeishi Akita Japan Village - 26 km
Jumonji Akita Japan Village - 26 km
Sarugura Akita Japan Village - 27 km
Oyana Akita Japan Village - 27 km
Nozoki Yamagata Japan Village - 27 km
Omagari Akita Japan Village 38000 people 27 km
Rokugo Akita Japan Village - 27 km
Moto-Tamogi Akita Japan Village - 27 km
Ogoya Akita Japan Village - 28 km
Hanadate Akita Japan Village - 28 km
Yamamoto Akita Japan Village - 29 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
Akita AXT 95 Civ. Paved Yes 8200 48 km
Akita Old 15 0 63 km
Hanamaki HNA 91 Civ. Paved Yes 6500 64 km
Shonai SYO 22 Civ. Paved Yes 6500 72 km
Ojojibara 70 0 86 km
Junmachi GAJ 108 Civ. Paved Yes 6500 90 km
Ippongibara 304 0 91 km

Ports

Name LOCODE Country Distance
Sakata JPSKT Japan 62 km
Akita JPAXT Japan 64 km
Funakawa JPFNK Japan 88 km
Oga Japan 98 km

Dams

Reservoir Dam Name River Year Distance
Ainono Ainono Yokotegawa 1960 19 km
Oyasukyoko Minase Minasegawa 1963 24 km
Kuromorigawadaiichicosuichi Kuromorigawadaiichi Kuromorigawa 1976 35 km
Takasaka Takasaka Sakegawa 1967 37 km
Kinshuko Yuda Wagagawa 1964 39 km
Masuzawa Masuzawa Izumitagawa 1963 40 km
Ishibuchiko Ishibuchi Isawagawa 1953 41 km
Ishibane Ishibane Wagagawa 1954 45 km
Senganishitameike Senganishi Shukunaigawa 1934 49 km
Jindaichoseichi Jindai Tamagawa 1940 50 km
Natsuse Natsuse Tamagawa 1940 52 km
Kurikoma Kurikoma Sanhazamagawa 1961 54 km
Toyosawako Toyosawa Toyosawagawa 1961 54 km
Araoko Naruko Eaigawa 1958 56 km
Oshuku Oshuku Oshukugawa 1957 59 km
Kawakitako Iwami Sannaigawa 1978 59 km
Hanayamako Hanayama Hazamagawa 2004 61 km
Heiannomizuumi Sannokai Takinagawa 2001 65 km
Shusenko Yoroihata Tamagawa 1957 66 km
Otakisawatameike Otakisawatameike Michigawa 1937 67 km
Hosenko Tamagawa Tamagawa 1990 71 km
Goshoko Gosho Shizukuishigawa 1981 73 km
Meigenko Urushizawa Narusegawa 1980 74 km
Taseko Tase Sarugaishigawa 1954 77 km
Koaniko Haginari Koanigawa 1966 79 km
Kejonuma Kejonuma Tajirigawa 1995 80 km
Naganuma Naganuma Hazamagawa 2005 84 km
Nanbukatafujiko Shijushida Kitakamigawa 1968 85 km
Tsunatori Tsunatori Nagatsugawa 1982 86 km
Gassanko Sagae Sagaegawa 1990 92 km
Yakuwa Yakuwa Bonjigawa 1957 93 km
Taiheiko Moriyoshi Komatagawa 1953 93 km
Nanatsumoriko Minamikawa Minamikawa 1987 93 km
Sotoyama Sotoyama Sotoyamagawa 1943 95 km
Okuatsumiko Atsumigawa Atsumigawa 1986 96 km
Hanekawa Hanekawa Itonagaregawa 1967 97 km
Arasawako Arasawa Akagawa 1955 98 km
Nanakita Nanakita Nanakitagawa 1984 99 km

More information

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