Damaging earthquake in Nagano, Honshu, Japan - 37 people injured, 5 seriously

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Update November 24, 17:17 UTC : The table below shows the final numbers for the number of injured, collapsed houses and damaged houses.
Translated we can say : 37 injured people (32 slight and 5 serious), 47 collapsed residential houses, 94 seriously damaged residential houses and 282 slightly damaged residential houses. 38 damaged public buildings and/or infrastructure.

Update November 23, 10:33 UTC : 34 houses were badly damaged in the Nagano prefecture. 40 people were injured from which 7 has serious injuries. If you watch the video below you will agree with us that it is a miracle nobody got killed in this earthquake

Update 00:35 UTC : More video footage from Hakuba Japan

Update 00:27 UTC : Yahoo Japan reports that the number of injured has climbed to 57 people

Update November 23, 00:22 UTC : At least 23 people are injured and buildings collapsed in Hakuba village Nagano from last nights quake (source @RobertSpeta).

Image courtesy and copyright @samaikukan

Update 17:20 UTC : The number of injured has increased to 20

Update 16:43 UTC : In the 16:23 update we did talk about a Thrust type earthqauke. This was confirmed by the following report : In Joetsu, the road has been lifted about 50cm (Kiyosato District Kaminakajo district)

Update 16: 39 UTC : The latest reports are mentioning 11 injured

Update 16:23 UTC : The damage looks rather limited if we take the strong Magnitude into consideration. One of the main reasons is the earthquake type. Based on the USGS beach-ball below we are looking at a thrust focal mechanism (2 plates pushing towards each other. The resulting movements are far less dangerous than transform earthquakes (the type which hit China today). An additional reason to have weaken the shaking is the location it occurred, the rocky Japanese Alps. This kind of underground does not transmit the earthquake waves like it would be the case in for example a sediment valley.

Update 16:12 UTC : As we are after midnight in Japan, rescue operations take more time. In some parts of the epicenter area the power is down. There are also reports of broken water pipes, a ruptured fuel tank leaking 1000 liter of oil. Collapsed walls etc. It will take at least 5 to 6 hours (early morning) before we will get a good picture of the damage.

Update 16:01 UTC : So far at least 4 people injured

Update 14:38 UTC : As could be expected, multiple landslides have been notices (these are the Japanese Alps). One of these landslides is blocking the Shirasawa tunnel who links Nagano with Hakuba

Important Update 14:27 UTC : Several buildings collapsed and people possibly buried in Nagano Prefecture. (Source NHK Japan) Update : 4 houses should have been collapsed. No further news at the moment.

Update 14:17 UTC : The Nagano Fire Department is reporting several injuries and a building collapse after 6.8 quake this evening.

Update 14:13 UTC : Kyodo News Reports that Hakuba Village (famous for the 98 olympics) has seen a building collapse.

Update 14:11 UTC : Image of a convenience store in Nagano

At convenience store in #Nagano City. #quake #Japan RT @oyamin380: 長野市のコンビニはこのような感じです pic.twitter.com/dhtSWTf0gI

— Shimadenia (@SHIMADEN) November 22, 2014

Update 14:06 UTC : The city of Nagano has not sustained damage so far (this would be seen almost immediately). Power is still on in Nagano based on the webcam we are looking at. So far we have reports of 2 people who have been injured in Hakuba (ambulance under way).

Update 14:01 UTC : Below the theoretical shaking map of USGS based on a M6.2 Magnitude (JMA Japan reports M6.8)

Update 13:51 UTC : The Nagano prefecture authority has reported that the Kashiwazaki-Kariwa nuclear power plant sustained NO damage but has been shut down as a precautionary measure.

Update 13:47 UTC : Shaking of the Nagano earthquake (ni mention of distance from the epicenter)

Update 13:43 UTC : until now only reports from items falling from shelves. No structural damage so far (too soon to be final of course) (thx to @RobertSpeta living in Japan)

Update 13:37 UTC : Prof. Max Wyss who specializes in theoretical calculations of injured and fatalities based on many parameters expect for this earthquake 0 to 10 fatalities and 0 to 100 injured. He has used the GFZ data (M6.2 at 10 km for his calculations).

Update 13:31 UTC : We expect the whole Nagano prefecture at risk for damage and injuries.

Update 13:30 UTC : EMSC and USGS are reporting a M6.2 Magnitude bur JMA Japan maintains his M6.8 Magnitude at 10 km.

Update 13:24 UTC : Shaking values who may lead to damage. Landslides are almost a certainty! Of course NO tsunami risk because the earthquake happened below mainland Honshu

6- Nagano-shi Togakushi*, Nagano- shi Kinasa*, Otari-mura Nakaotari*, Ogawa-mura Takafu*
5+ Nagano-shi Hakoshimizu, Nagano-shi Toyonomachi-Toyono*, Nagano-shi Nakajo*, Hakuba-mura Hokujo* and Shinano-machi Kashiwabara-higashiura*
5- Nagano-shi Shinshushimmachi-shimmachi*, Nagano-shi Ooka*, Nakano-shi Toyotsu*, Omachi-shi Yasaka*

Update 13:22 UTC : JMA Japan has a theoretical shaking of -6 We at Earthquake-report.com consider 5+ already as probably damaging. The earthquake happened at a shallow depth below Eastern Honshu

16km (10mi) NNE of Omachi, Japan
24km (15mi) W of Nagano-shi, Japan
33km (21mi) N of Hotaka, Japan
36km (22mi) W of Suzaka, Japan
191km (119mi) NW of Tokyo, Japan

Most important Earthquake Data:

Magnitude : 6.2

Local Time (conversion only below land) : 2014-11-22 22:08:18

GMT/UTC Time : 2014-11-22 13:08:18

Depth (Hypocenter) : 12 km

Depth and Magnitude updates in the list below.

Share your earthquake experience (I Have Felt It) with our readers.
Click on the "I Felt It" button behind the corresponding earthquake. Your earthquake experience is not only important for science, but also for people in the area as well as our global readership.

					Refresh this list
SRC	Location	UTC Date/time	M	D	INFO
USGS	Omachi, Japan	Nov 22 13:08	6.2	10	MAP
GEOFON	Eastern Honshu, Japan	Nov 22 13:08	6.2	12	MAP I Felt It INFO
Tokyo - Shaking. 8th floor. 50 seconds Osaka - Movement on hotel 12th floor – no damage Tokyo - No damage Tokyo - Weak shaking for about 30 seconds. Tokyo - 12floor of a hotel, felt the building sway although there was no wind Tokyo - Woke us up. Tokyo - 1st floor, concrete apartment. Very light shaking that lasted a few seconds. Cat was not spooked. Gakuen-nishimachi - Keinerlei Schäden in meiner Wohnung, leichte Schwingungen, aber alle Gegenstände blieben in den Regalen stehen Tokyo - Hotel 8er Stock. Gebäude hat geschaukelt. Vorgang hat gewackelt Toyokawa - Um tremor fraco com movimentos laterais Tokyo - 3rd floor. Weak shaking Tokyo - 9th floor, bed shook enough to wake up. 30 or so seconds Hodogaya - No damage, But bit moderate shaking and aftershock around 30 second Nagoya (city) - Around 22:15 JST (local time). Experienced minor building movement for approximately 5 seconds. Third floor of a 4 story concrete apartment structure. (Perceptible earthquakes are unusual in our immediate area.) Tokio - Gebäude hat geschwankt Tokio - Hotel 34.Stock, Gebäude merklich bewegt und die Wände haben geknarrzt Chikuma - No damage caused in building or surrounding area from what I know. Noticeable moderate shaking of light fittings, tatami walls and our room on the second story of the wooden ryokan we are in. First after shock felt strongly and two subsequent aftershocks felt although considerably less. Itoigawa - Extremely wobbly to walk, many items swinging, but nothing fell. Yaizu - Lampen schwangen hin und her, wackelig auf den Beinen
EMSC	Eastern Honshu, Japan	Nov 22 13:08	6.2	2	MAP

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Shaking Strength *
MMI II (Very weak shaking)	? People : Felt by persons at rest, on upper floors or favorably placed.
MMI III (Weak shaking)	? People : Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
MMI IV (Light shaking)	? People : Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building. Fittings : Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock. Structures : Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
MMI V (Moderate shaking)	? People : Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed. Fittings : Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate. Structures : Some large display windows cracked. A few earthenware toilet fixtures cracked.
MMI VI (Strong shaking)	? People Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily. Fittings : Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or "easy glide" drawers may open (or shut). Structures : Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall. Environment : Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
MMI VII (Very strong shaking)	? People General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop. Fittings : Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings. Structures : Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged. Environment : Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
MMI VIII (Severe shaking)	? People Alarm may approach panic. Steering of motorcars greatly affected. Structures : Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down. Environment : Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.
MMI IX (Violent shaking)	? Structures Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames. Environment : Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.
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