M 6.6 in Japan from 21 Oct 2016 05:07 UTC to 05:07

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.6M
Depth: 11 Km
Lat/Lon: 35.4 , 133.9
Event Date: 21 Oct 2016 05:07 UTC
21 Oct 2016 14:07 Local
Exposed Population: 2910000 people within 100km
Source: PTWC pt16295050
Inserted at: 21 Oct 2016 05:21 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 1.1 1 1.1
pt16295050 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.03m  
  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
1143515 1.1 21 Oct 2016 05:07 6.6M, 11km N/A 2.9 million (in 100km) 0m (at 00:21) 00:13 NTWC    
1143516 1.1 21 Oct 2016 05:07 6.6M, 11km N/A 2.9 million (in 100km) 0m (at 00:21) 00:14 PTWC
1143519 1.1 21 Oct 2016 05:07 6.6M, 6.35km N/A 3.1 million (in 100km) 0m (at 00:00) 00:19 NEIC
1143522 0.9 21 Oct 2016 05:07 6.2M, 10km 7.18 3 million (in 100km) 00:34 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 Chugoku (population 7,963,924) . The nearest places are Yamada, Kurio, Sakamoto, Misasa, Katashiba, Higashi Oshika, Ogochi, Motoizumi, Kakidani, Fukuyoshi, and Okayama.

Radius Population
100 km 3.7 million people
75 km 1.2 million people
50 km 650000 people
20 km 110000 people
10 km 51000 people
5 km 6300 people
2 km 2100 people

Affected Provinces

Region Province Country Population
Chugoku Japan 8 million people

Affected populated places

Name Region Province Country City class Population Distance
Yamada Tottori Japan Village - 2 km
Kurio Tottori Japan Village - 3 km
Sakamoto Tottori Japan Village - 3 km
Misasa Tottori Japan Village - 3 km
Katashiba Tottori Japan Village - 4 km
Higashi Oshika Tottori Japan Village - 4 km
Ogochi Tottori Japan Village - 4 km
Motoizumi Tottori Japan Village - 4 km
Kakidani Tottori Japan Village - 4 km
Fukuyoshi Tottori Japan Village - 6 km
Nagota Tottori Japan Village - 7 km
Tando Tottori Japan Village - 7 km
Sugegatani Tottori Japan Village - 7 km
Agel Tottori Japan Village - 7 km
Tabatake Tottori Japan Village - 7 km
Kurayoshi Tottori Japan City 48000 people 8 km
Todomi Tottori Japan Village - 8 km
Wada Tottori Japan Village - 8 km
Matsuzaki Tottori Japan Village - 8 km
Kaita Tottori Japan Village - 8 km
Kodota Tottori Japan Village - 8 km
Maruyama Tottori Japan Village - 8 km
Kubara Tottori Japan Village - 8 km
Tawara Tottori Japan Village - 8 km
Kuwabara Tottori Japan Village - 8 km
Kijiyama Tottori Japan Village - 9 km
Koda Tottori Japan Village - 9 km
Nakatsu Tottori Japan Village - 9 km
Kami Asozu Tottori Japan Village - 10 km
Kadani Tottori Japan Village - 10 km
Shinden Tottori Japan Village - 10 km
Kami Furukawa Tottori Japan Village - 10 km
Hirose Tottori Japan Village - 10 km
Tajiri Tottori Japan Village - 10 km
Akawase Okayama Japan Village - 10 km
Urushihara Tottori Japan Village - 10 km
Anagamo Tottori Japan Village - 11 km
Kou Tottori Japan Village - 11 km
Egita Tottori Japan Village - 11 km
Shimo Mishidani Tottori Japan Village - 11 km
Shimo Asozu Tottori Japan Village - 11 km
Kochi Shimojo Tottori Japan Village - 11 km
Hasshoji Tottori Japan Village - 12 km
Hashizu Tottori Japan Village - 12 km
Yokota Tottori Japan Village - 12 km
Ekita Tottori Japan Village - 12 km
Kobessho Tottori Japan Village - 12 km
Yumihara Tottori Japan Village - 12 km
Nagase Tottori Japan Village - 12 km
Hara Tottori Japan Village - 12 km
Obata Tottori Japan Village - 12 km
Tashiro Tottori Japan Village - 12 km
Narutake Tottori Japan Village - 12 km
Ombara Okayama Japan Village - 12 km
Ogiyama Okayama Japan Village - 13 km
Kueubi Tottori Japan Village - 13 km
Tomari Tottori Japan Village - 13 km
Fukuyama Tottori Japan Village - 13 km
Kitano Tottori Japan Village - 13 km
Yonesato Tottori Japan Village - 13 km
Sekiganeshuku Tottori Japan Village - 13 km
Shimobata Tottori Japan Village - 13 km
Sekigane Tottori Japan Village - 13 km
Nakatsuko Okayama Japan Village - 13 km
Teragahara Okayama Japan Village - 13 km
Yamane Tottori Japan Village - 14 km
Kobayashi Okayama Japan Village - 14 km
Kami Saihara Okayama Japan Village - 14 km
Kami Fukuda Tottori Japan Village - 14 km
Tochiwara Tottori Japan Village - 14 km
Yoshikawa Tottori Japan Village - 15 km
Seto Tottori Japan Village - 15 km
Okuzaki Tottori Japan Village - 15 km
Endo Okayama Japan Village - 15 km
Fokudome Tottori Japan Village - 16 km
Owai Tottori Japan Village - 16 km
Yura Tottori Japan Village - 16 km
Nakano Tottori Japan Village - 16 km
Oka Tottori Japan Village - 16 km
Yamaguchi Tottori Japan Village - 16 km
Otani Tottori Japan Village - 16 km
Sengen Okayama Japan Village - 16 km
Nishisono Tottori Japan Village - 16 km
Hattori Tottori Japan Village - 16 km
Hime Tottori Japan Village - 16 km
Yurashuku Tottori Japan Village - 16 km
Bessho Okayama Japan Village - 16 km
Shikano Tottori Japan Village - 16 km
Aoya Tottori Japan Village - 16 km
Yoshida Okayama Japan Village - 16 km
Horakujt Tottori Japan Village - 17 km
Yurajuku Tottori Japan Village - 17 km
Yamatobara Okayama Japan Village - 17 km
Nikenya Okayama Japan Village - 17 km
Koge Tottori Japan Village - 17 km
Taikyuji Tottori Japan Village - 17 km
O-Kachi Tottori Japan Village - 17 km
Kauchi Tottori Japan Village - 17 km
Hamamura Tottori Japan Village - 18 km
Shimontane Tottori Japan Village - 18 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
Tottori TTJ 20 Civ. Paved Yes 6500 28 km
Nihonbara 240 0 37 km
Miho YGJ 6 Civ. Paved Yes 6500 61 km
Okayama OKJ 245 Civ. Paved Yes 8200 71 km
Tajima TJH 177 Civ. Paved Yes 3900 82 km
Kohnan 1 Civ. Paved No 3900 90 km
Izumo IZO 2 Civ. Paved Yes 6500 92 km

Ports

Name LOCODE Country Distance
Sakaiminato JPSMN Japan 61 km
Kasumi Japan 72 km
Matsue JPMTE Japan 77 km
Okayama JPOKJ Japan 87 km
Aioi JPAIO Japan 87 km
Tsuiyama JPTYM Japan 89 km
Aboshi JPABO Japan 95 km
Shikama JPHRH Japan 97 km
Hirohata JPHRH Japan 97 km
Himeji JPHIM Japan 99 km
Mizushima JPMIZ Japan 99 km

Dams

Reservoir Dam Name River Year Distance
Onbarako Onbara Onbaragawa 1928 13 km
Kuroki Kuroki Kuramigawa 1966 23 km
Yubarako Yubara Asahigawa 1954 26 km
Yashiroguchi Yashiroguchi Asahigawa 1954 28 km
Doyo Doyo Doyogawa 1986 37 km
Osadamuko Osa Osakabegawa 1982 45 km
Ryokusuiko Kasho Hosshojigawa 1988 53 km
Asahikawako Asahikawa Asahigawa 1983 54 km
Miyoshiko Osakabegawa Osakabegawa 1955 57 km
Nichinanko Sugesawa Ingagawa 1967 57 km
Onzuiko Hikihara Hikiharagawa 1957 61 km
Komoto Komoto Nishikawa 1964 63 km
Shirotsubakiko Fube Iinashigawa 1967 69 km
Yamabiko Yamasa Yamasagawa 1980 73 km
Ogaike Ogaike 1661 77 km
Otanichosuichi Otani Otanigawa 1956 77 km
1968 78 km
Kakiharatameike Kakiharatameike Nishitanigawa 1952 82 km
Tataragi Tataragi Tataragigawa 1974 87 km
Ginzanko Ikuno Ichikawa 1972 87 km
Aikawa Aikawa Aikawa 1942 88 km
Kurokawa Kurokawa Kurokawa 1974 91 km
Osakaike Osakaike Osakagawa 1965 99 km

Nuclear plants

Name Country Reactors Distance
SHIMANE JAPAN 2 83 km

More information

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