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Major mag. 7.7 earthquake - Bonin Islands, Japan Region on Saturday, 30 May 2015

Major mag. 7.7 earthquake  - Bonin Islands, Japan Region on Saturday, 30 May 2015
30 May 11:30 UTC: First to report: GFZ after 7 minutes.
May 30 14:10: Magnitude recalculated from 7.8 to 7.7.
Date & time: Saturday, 30 May 2015 11:23 UTC
Magnitude: 7.7
Depth: 695.0 km
Epicenter latitude / longitude: 27.87°N / 140.41°E (Japan)
Nearest volcano: Doyo (36 km / 22 mi)
Nearby towns and cities:
197 km (123 mi) NW of Hutami (pop: 900)
872 km (542 mi) S of Tokyo (pop: 8,336,600)
Primary data source: GFZ
Estimated released energy: 2.2 x 1016 joules (6219 gigawatt hours, equivalent to 5.4 x 106 tons of TNT or 334.4 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
TimeMag. / DepthLocationSource
Sat, 30 May 11:23 UTCM 7.7 / 695 kmBonin Islands, Japan RegionGFZ
Sat, 30 May 11:23 UTCM 7.8 / 693 kmBONIN ISLANDS, JAPAN REGIONEMSC
Saturday, May 30, 2015 20:23:02 (30 May 11:23:02 UTC)M 7.8 / 677.6 km189km WNW of Chichi-shima, JapanUSGS
Sat, 30 May 11:23 UTCM 7.8 / 677 kmWNW of Chichishima, JapanGeoAu

User reports for this quake (75)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Leave a comment if you find a particular report interesting or want to add to it.
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Delhi (6114.8 km WNW of epicenter) [Map] / Light shaking (MMI IV) : I was on top floor (6th) of building. Felt clear shaking of building for a minutes.. I didn't go down as now we are feeling accustomed of earthquake??
Shiba japan / Violent shaking (MMI IX) : Came in two waves . 4th floor apartment 2nd one was a huge swaying effect very scary
Tokyo / Moderate shaking (MMI V) : 30th Floor . Shaking for almoust 1 min
Koh samui / Very weak shaking (MMI II)
Roppongi / Very strong shaking (MMI VII) : I felt it, it was the strongest I've felt in Japan in 3 year
Kolkata India / Very strong shaking (MMI VII) : I Felt Earthquake in kolkata around 05:00 PM.Fan was shaking floor was shaking on my 9th floor flats.
Iwaki (1021.5 km N of epicenter) [Map] / Weak shaking (MMI III)
Tokyo / Weak shaking (MMI III)
Ginza, Tokyo / Strong shaking (MMI VI) : It was a little scary. The whole building was shaking and even the sushichefs looked puzzeld when the water in the aquarium started to move.
Tokyo / Light shaking (MMI IV) : Walked into supermarket and noticed some hanging signs swaying, an elderly lady holding onto the magazine rack, and shoppers whispering before I actually felt the ground moving. Lasted about half a minute after I noticed.
Tokyo / Light shaking (MMI IV) : Walked into supermarket and noticed some hanging signs swaying, an elderly lady holding onto the magazine rack, and shoppers whispering before I actually felt the ground moving. Lasted about half a minute after I noticed.
Tokyo / Light shaking (MMI IV) : Walked into supermarket and noticed some hanging signs swaying, an elderly lady holding onto the magazine rack, and shoppers whispering before I actually felt the ground moving. Lasted about half a minute after I noticed.
Tokyo / Light shaking (MMI IV) : Walked into supermarket and noticed some hanging signs swaying, an elderly lady holding onto the magazine rack, and shoppers whispering before I actually felt the ground moving. Lasted about half a minute after I noticed.
Tokyo / Light shaking (MMI IV) : Walked into supermarket and noticed some hanging signs swaying, an elderly lady holding onto the magazine rack, and shoppers whispering before I actually felt the ground moving. Lasted about half a minute after I noticed.
Hiyoshi, Kanagawa / Moderate shaking (MMI V) : I was in the middle of a huge grocery store when all the shelves began to shake. The earthquake came in two waves. The first was stronger than the second, but they both lasted rather long.
Utsunomiya (967.6 km N of epicenter) [Map] / Moderate shaking (MMI V)
Japan, Tokio, Innenstadt, Hotel Nördlich vom Kita / Strong shaking (MMI VI) : Kann die Intensität nicht einschätzen, da ich noch kein Erdbeben erlebt habe, daher meine Beschreibung: Zuerst kleines Vorgeben mit vertikalen Schwingung, hauptsächlich mit Füßen und durch Sitzen spürbar, dann längeres Beben horizontal, intensiv und längere Zeit spürbar, Geräusche vom Bewegen der Gebäudesubstanz und schwingen von Kleiderbügel im Schrank, Gebäude des Hotel Grand Palace schwang gefühlt mehrerer Minuten, jetzt auch mehrfach Fahrzeuge mit Einsatzsignal zu hören.
Ito japan / Very strong shaking (MMI VII)
Westin Tokio / Moderate shaking (MMI V)
Kobe (905.1 km NNW of epicenter) [Map] / not felt
Kyoto / Violent shaking (MMI IX) : Being in the 14th Floor of an hotel we feeled the house shaking.
Tokyo, Japan (881.9 km N of epicenter) [Map] / Light shaking (MMI IV)
Japan, Tokio, Innenstadt, Hotel Nördlich vom Kita / Moderate shaking (MMI V)
Tokyo / Weak shaking (MMI III)
Tokyo / Weak shaking (MMI III)
Osaka, Japan (889.6 km NNW of epicenter) [Map] / Light shaking (MMI IV)
Yokohama (845.6 km N of epicenter) [Map] / Moderate shaking (MMI V)
tokyo / Light shaking (MMI IV)
Kamakura, Kanagawa, Japan (833.7 km N of epicenter) [Map] / Moderate shaking (MMI V)
Zama, Japan / Moderate shaking (MMI V)
Yokosuka / Light shaking (MMI IV)
Tokyo / Strong shaking (MMI VI) : The drawers came out. It was somewhat hard to stand still. The crows were all cawing and circling everywhere.
ariake tokyo (865.2 km N of epicenter) [Map] / Very strong shaking (MMI VII)
Ginza, Tokyo / Strong shaking (MMI VI)
Yokohama japan (846.7 km N of epicenter) [Map] / Light shaking (MMI IV) : Yokohama Japan
Tokyo / Moderate shaking (MMI V)
Roppongi / Moderate shaking (MMI V)
Shenzhen Shi (China, 2718 km W of epicenter) : I feel an earthquake will coming at 10:54am in China Shenzhen ...normally my ear can hear the earthquake frequency means seismic over 5, the frequency came to my right ear and till 3 seconds with middle high sonic ...it will happen soon or in these days (reported through EMSC)
Geoje-si (South Korea, 1364 km NW of epicenter) : Felt our apartment building swaying. Lasted about 1 minute mostly low frequency waves. (reported through EMSC)
Gurgaon (India, 6145 km W of epicenter) : Very less impact (reported through EMSC)
Gurgaon (India, 6144 km W of epicenter) : Bed shook (reported through EMSC)
New Delhi (India, 6129 km W of epicenter) : I am in movie hall.. Few other also felt (reported through EMSC)
New Delhi (India, 6129 km W of epicenter) : I felt it...first i think it's coming from Nepal aftershocks.. but after few minuets i got a message 8.5 M. Quake in Japan...Message on my mobile (reported through EMSC)
Noida (India, 6116 km W of epicenter) : Mild shaking (reported through EMSC)
Kanpur (India, 5898 km W of epicenter) : Not feel in kanpur u.p. then how is possible in delhi because first place kanpur n second place delhi (reported through EMSC)
Bangkok (Thailand, 4420 km W of epicenter) : i felt bed moving and shaking (reported through EMSC)
Shanghai (China, 1874 km W of epicenter) : I felt the quake. weak tremor. (reported through EMSC)
Ichikawa-shi (Japan, 863 km NW of epicenter) : 横に揺れました。shooked horizontally. (reported through EMSC)
Urayasu (Japan, 860 km NW of epicenter) : Prolonged swaying, most people didn't notice. Others paused wondering what was next. (reported through EMSC)
Gurgaon (India, 6148 km W of epicenter) : We have felt little (reported through EMSC)
Greater Noida (India, 6105 km W of epicenter) : Felt the table sway a bit in Greater Noida (reported through EMSC)
Siddharthanagar (Nepal, 5569 km W of epicenter) : Anyone felt this in Nepal?? (reported through EMSC)
Pokhara (Nepal, 5498 km W of epicenter) : somewhat confused (reported through EMSC)
Patna (India, 5461 km W of epicenter) : I feel it (reported through EMSC)
Incheon (South Korea, 1673 km NW of epicenter) : It felt like I was trying to walk across a suspension bridge that was swaying. (reported through EMSC)
Shibuya-ku (Japan, 863 km NW of epicenter) : I was really scary!! I was in a restaurant in Harajuku, dishes started to move. I was totally paralised, thanks to the waiters that helped me to calm down. (reported through EMSC)
Chuo (Japan, 863 km NW of epicenter) : On 34th floor of Mandarin Oriental in Tokyo. Building swayed for minutes. Squeaking sounds lasted for at least 1 1/2 minutes. (reported through EMSC)
Yokohama (Japan, 839 km NW of epicenter) : First came a smaller shake that was almost over when the second one hit. The second one was a lot stronger and lasted quite long. It felt like it grew a bit in strength before it calmed down. After it followed a series of weak tremors. (reported through EMSC)
Kolkata (India, 5242 km W of epicenter) : Was on my deck working but felt the tremors twice.... felt in delhi too confirmed with friends (reported through EMSC)
(South Korea, 1380 km NW of epicenter) : Even in southern region of Korea, I felt the back and forth of building. (reported through EMSC)
Hiroshima (Japan, 1048 km NW of epicenter) : Tenth floor mild shaking about a minute (reported through EMSC)
Tsukuba (Japan, 907 km NW of epicenter) : You could feel it getting closer and it increased in intensity. It had a quality where you knew it was coming and would get bigger. Reminded me of 3/11 and I was worried for a short while it would grow. It lasted a long time with a big swaying motion. Not aggressive, jerky, but large sways. (reported through EMSC)
Nerima (Japan, 871 km NW of epicenter) : I actually felt two: the first was a longer lasting shaking. Shortly after it had stopped, it began anew; but a rather slow, strong swinging. (reported through EMSC)
(Japan, 868 km NW of epicenter) : Building swaying (reported through EMSC)
(Japan, 868 km NW of epicenter) : Building is swaying but nothing felt off (reported through EMSC)
Shibuya (Japan, 863 km NW of epicenter) : The larger tremor was preceeded by a smaller one. Both continued to roll/sway longer than usual. (reported through EMSC)
Shinagawa (Japan, 857 km NW of epicenter) : On 36 floor of The Prince Hotel, Shinagawa. The building was swaying for around 5 minutes after the earthquake. This could be perceived both visually and by "squeaking" of building as it swayed. (reported through EMSC)
(Japan, 942 km NW of epicenter) : The shaking was not hugely strong but it lasted a long time, maybe 3-4 minutes, died down once, strengthened again, and then died down fully. (reported through EMSC)
Shinjuku (Japan, 866 km NW of epicenter) : Our appartment in a floor 14 start moving, the bed shake! (reported through EMSC)
Shibuya-ku (Japan, 863 km NW of epicenter) : Was at the restaurant in Harajuku that was long and scary the electric cables were shaking in the street for quite a moment. (reported through EMSC)
Urayasu-shi (Japan, 859 km NW of epicenter) : 大きな揺れ幅だった。 (reported through EMSC)
Minato-ku (Japan, 858 km NW of epicenter) : Almost lost balance (reported through EMSC)
Yokohama-shi (Japan, 849 km NW of epicenter) : Ça a duré une minute en s'intensifiant un peu. (reported through EMSC)
Kawasaki (Japan, 848 km NW of epicenter) : spürbar für etwa 1minute (reported through EMSC)
Ebina-shi (Japan, 840 km NW of epicenter) : Came in waves, and was long (reported through EMSC)

Aftershocks of the 7.7 quake: Bonin Islands, Japan Region, 30 May 2015 11:23

More info
Recorded aftershocks, latest first (86 quakes):
  • 28 Apr 2017 21:01 UTC
    | M 4.9 |
    52.7 km (32.7 mi) depth
    |
    220 km (137 mi) distance
    | USGS | Details
  • 17 Apr 2017 09:40 UTC
    | M 4.6 |
    50.7 km (31.5 mi) depth
    |
    224 km (139 mi) distance
    | USGS | Details
  • 10 Apr 2017 20:42 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    266 km (165 mi) distance
    | GFZ | Details
  • 05 Apr 2017 03:27 UTC
    | M 5.2 |
    455.3 km (282.9 mi) depth
    |
    204 km (126 mi) distance
    | NIED | Details
  • 10 Mar 2017 15:53 UTC
    | M 4.9 |
    130 km (80.8 mi) depth
    |
    218 km (135 mi) distance
    | GFZ | Details
  • 28 Feb 2017 17:41 UTC
    | M 4.9 |
    34.7 km (21.6 mi) depth
    |
    284 km (177 mi) distance
    | USGS | Details
  • 10 Jan 2017 16:21 UTC
    | M 5.1 |
    480 km (298.3 mi) depth
    |
    47 km (29 mi) distance
    | GFZ | Details
  • 30 Dec 2016 01:53 UTC
    | M 5.1 |
    408 km (253.5 mi) depth
    |
    186 km (116 mi) distance
    | GFZ | Details
  • 30 Dec 2016 01:53 UTC
    | M 5.1 |
    408 km (253.5 mi) depth
    |
    186 km (116 mi) distance
    | GFZ | Details
  • 11 Dec 2016 10:51 UTC
    | M 5.0 |
    465.6 km (289.3 mi) depth
    |
    274 km (171 mi) distance
    | NIED | Details
  • 11 Dec 2016 10:51 UTC
    | M 5.0 |
    465.6 km (289.3 mi) depth
    |
    274 km (171 mi) distance
    | NIED | Details
  • 04 Dec 2016 12:39 UTC
    | M 4.5 |
    101 km (62.8 mi) depth
    |
    245 km (152 mi) distance
    | EMSC | Details
  • 04 Dec 2016 12:39 UTC
    | M 4.5 |
    101 km (62.8 mi) depth
    |
    245 km (152 mi) distance
    | EMSC | Details
  • 27 Nov 2016 09:16 UTC
    | M 4.8 |
    439.3 km (273 mi) depth
    |
    258 km (160 mi) distance
    | NIED | Details
  • 26 Nov 2016 12:40 UTC
    | M 4.8 |
    94 km (58.4 mi) depth
    |
    181 km (112 mi) distance
    | EMSC | Details
  • 23 Nov 2016 09:59 UTC
    | M 5.8 |
    502 km (311.9 mi) depth
    |
    92 km (57 mi) distance
    | GFZ | Details
  • Show all

Earlier earthquakes in the same area

Major mag. 7.7 earthquake - Bonin Islands, Japan Region on Saturday, 30 May 2015
 

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