(Major) Earthquakes list April 12, 2012 – Very strong earthquake out of the Fukushima coast, Japan

Last update: April 12, 2012 at 10:45 pm by By

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Very strong M5.9 earthquake at a depth of 30 km in Japan (Fukushima-ken Oki)
No direct danger for the population and infrastructure. The earthquake has been felt in a wide area.
JMA 4 is the max. reported intensity (ER considers 5+ as a possible damaging quake).  JMA 4 intensity in Kurihara-shi Wakayanagi*, Kurihara-shi Kannari* and Ishinomaki-shi Monoucho*
All data from JMA Japan

Shaking intensity image courtesy JMA Japan

M 6.9      2012/04/12 07:15     Depth 10.1 km      GULF OF CALIFORNIA
Please read our in-depth report about this earthquake – Click here
12:06:01 AM at epicenter – Epicenter location see below in list
143 km (89 miles) NE (48°) from Guerrero Negro, Baja California Sur, Mexico
The whole western coast of North America is currently very instable. Earthquakes from Mexico until Oregon via the Gulf of California.
Update 07:36 UTC : USGS has upgraded this ridge earthquake to a 6.9 Magnitude (from M7.0 earthquake-report calls the earthquake “massive”). We are currently setting up an in-depth report on this earthquake. It will be on-line in a couple of minutes.

Continuous aftershocks are hitting an area of 300 by 300 km to the West of Sumatra.
Follow our in-depth reporting of this earthquake. Click here

Label info : M = magnitude, D = depth (km), Time = UTC – Click here for conversion in your local time.

SRC Location UTC Date/time M D INFO
EMSC Southeast Indian Ridge Apr 12 23:15 4.8 10 MAP I Felt It
USGS Southeast Indian Ridge Apr 12 23:15 4.8 10 MAP I Felt It
USGS Off The West Coast Of Northern Sumatra Apr 12 21:42 4.8 28 MAP I Felt It
GEOFON Off West Coast Of Northern Sumatra Apr 12 21:42 4.9 10 MAP I Felt It
EMSC Off W Coast Of Northern Sumatra Apr 12 21:42 5.0 10 MAP I Felt It
EMSC Off W Coast Of Northern Sumatra Apr 12 20:21 5.3 10 MAP I Felt It
GEOFON Off West Coast Of Northern Sumatra Apr 12 20:21 5.3 10 MAP I Felt It
USGS Off The West Coast Of Northern Sumatra Apr 12 20:21 5.1 9 MAP I Felt It
GEOFON Off West Coast Of Northern Sumatra Apr 12 19:25 4.8 10 MAP I Felt It
USGS Off The West Coast Of Northern Sumatra Apr 12 15:07 4.8 11 MAP I Felt It
GEOFON Off West Coast Of Northern Sumatra Apr 12 15:07 4.9 10 MAP I Felt It
EMSC Off W Coast Of Northern Sumatra Apr 12 15:07 4.8 10 MAP I Felt It
EMSC Java, Indonesia Apr 12 15:01 4.8 69 MAP I Felt It
GEOFON Java, Indonesia Apr 12 15:01 4.9 65 MAP I Felt It
USGS Java, Indonesia Apr 12 15:01 4.8 42 MAP I Felt It
USGS Near The East Coast Of Honshu, Japan Apr 12 14:50 5.6 23 MAP I Felt It
GEOFON Near East Coast Of Honshu, Japan Apr 12 14:50 5.4 24 MAP I Felt It
EMSC Near East Coast Of Honshu, Japan Apr 12 14:50 5.7 10 MAP I Felt It
USGS Off The West Coast Of Northern Sumatra Apr 12 14:46 5.0 27 MAP I Felt It
EMSC Off W Coast Of Northern Sumatra Apr 12 14:46 5.0 5 MAP I Felt It
GEOFON Off West Coast Of Northern Sumatra Apr 12 14:46 5.0 10 MAP I Felt It
EMSC Off W Coast Of Northern Sumatra Apr 12 13:09 5.3 30 MAP I Felt It
USGS Off The West Coast Of Northern Sumatra Apr 12 13:09 5.3 30 MAP I Felt It
GEOFON Off West Coast Of Northern Sumatra Apr 12 13:09 5.3 10 MAP I Felt It
EMSC Off W Coast Of Northern Sumatra Apr 12 12:19 4.8 26 MAP I Felt It
USGS Off The West Coast Of Northern Sumatra Apr 12 12:19 4.8 29 MAP I Felt It
EMSC Southern Mid-atlantic Ridge Apr 12 11:38 4.9 33 MAP I Felt It
USGS Southern Mid-atlantic Ridge Apr 12 11:38 4.9 10 MAP I Felt It
GEOFON Southern Mid Atlantic Ridge Apr 12 11:38 4.8 10 MAP I Felt It
EMSC Near East Coast Of Honshu, Japan Apr 12 11:20 5.2 18 MAP I Felt It
USGS Near The East Coast Of Honshu, Japan Apr 12 11:19 5.3 14 MAP I Felt It
GEOFON Near East Coast Of Honshu, Japan Apr 12 11:19 5.2 14 MAP I Felt It
  • Tokyo - Just weak shaking.
  • JAPAN - Tohoku - Shaking very light but prolonged.
  • Tokyo - More like a gentle, prolonged, rolling and rocking. Nothing fell off the walls. 2 shakes between 9:00 pm and Midnight, Tokyo 04/12/2012.
  • GEOFON Southwest Of Sumatra, Indonesia Apr 12 11:02 5.1 35 MAP I Felt It
    USGS Southern Sumatra, Indonesia Apr 12 11:02 4.9 28 MAP I Felt It
    EMSC Southern Sumatra, Indonesia Apr 12 11:02 4.9 29 MAP I Felt It
    GEOFON Off West Coast Of Northern Sumatra Apr 12 10:59 4.9 10 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 10:59 4.9 5 MAP I Felt It
    GEOFON Gulf Of California Apr 12 10:27 4.8 10 MAP I Felt It
    USGS Gulf Of California Apr 12 10:26 4.9 9 MAP I Felt It
    EMSC Gulf Of California Apr 12 10:26 5.0 10 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 10:18 4.9 27 MAP I Felt It
    GEOFON North Indian Ocean Apr 12 09:15 4.8 10 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 09:15 4.8 2 MAP I Felt It
    USGS Off The West Coast Of Northern Sumatra Apr 12 07:43 5.1 30 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 07:43 5.1 30 MAP I Felt It
    USGS North Indian Ocean Apr 12 07:34 5.0 15 MAP I Felt It
    EMSC North Indian Ocean Apr 12 07:34 5.1 10 MAP I Felt It
    EMSC Baja California, Mexico Apr 12 07:15 6.3 60 MAP I Felt It
  • Sonora, Hermosillo - Very weak shaking indicated
  • Hermosillo Sonora Mexico - Light shaking indicated
  • Hermosillo - Very weak shaking indicated
  • Hermosillo, Sonora Mexico - My computer monitor and my fish tank were shaking and i heard a berry weard sound
  • Guaymas, Sonora - Woke up to the bed shaking lightly.
  • Guaymas, Sonora - Very weak shaking indicated
  • Hermosilla, Sonora - Temblor debil con vibracion de vidrios y movimiento de camas, estaba despierta por eso lo senti, mi gato no lo sintio porque estaba dormido.
  • Bahia de Kino Viejo, Sonora - Strong shaking indicated
  • Tucson Az. - Thought I heard someone opening doors
  • Hermosillo, Mexico - Sitting at my laptop just past midnight felt my chair moving underneath me twice! Crazy experience didn't know what it was till I found out about the earthquake.
  • Tucson AZ - felt house shake for a split second was absolutely crazy never experienced that before.
  • GEOFON Baja California, Mexico Apr 12 07:15 7.0 10 MAP I Felt It
    USGS Gulf Of California Apr 12 07:15 6.9 10 MAP I Felt It
    GEOFON Baja California, Mexico Apr 12 07:06 6.1 10 MAP I Felt It
    USGS Gulf Of California Apr 12 07:06 6.2 10 MAP I Felt It
    EMSC Gulf Of California Apr 12 07:06 6.0 10 MAP I Felt It
    USGS Off The West Coast Of Northern Sumatra Apr 12 07:01 5.0 26 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 07:01 5.0 10 MAP I Felt It
    GEOFON Off West Coast Of Northern Sumatra Apr 12 07:01 5.1 10 MAP I Felt It
    GEOFON North Indian Ocean Apr 12 06:47 4.8 10 MAP I Felt It
    USGS North Indian Ocean Apr 12 02:54 5.0 14 MAP I Felt It
    EMSC North Indian Ocean Apr 12 02:54 5.0 10 MAP I Felt It
    GEOFON North Indian Ocean Apr 12 02:54 5.0 10 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 02:42 4.8 28 MAP I Felt It
    USGS Off The West Coast Of Northern Sumatra Apr 12 02:42 4.8 27 MAP I Felt It
    GEOFON Off West Coast Of Northern Sumatra Apr 12 00:30 4.8 10 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Apr 12 00:01 5.1 2 MAP I Felt It

    Data sources courtesy : USGSEMSCGFZGEONET

    Earthquakes occurred yesterday (UTC time), but today local time

    Continuous aftershocks are hitting an area of 300 by 300 km to the West of Sumatra.
    Follow our in-depth reporting of this earthquake. Click here


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    I have felt it Ik heb het gevoeld – Το έκανα αισθάνεται – Yo lo he sentido – 我的确感到了 – 私はそれを感じていました- Ich habe es gefühlt – Bunu hissediyorum yaptı – لم أشعر أنه

    SHARE YOUR EARTHQUAKE EXPERIENCE WITH US

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    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    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.
    Write your experience below + let us know if your property has been damaged (even slight damage) or if you have knowledge of any damage caused by this earthquake. (max. 500 characters)

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