Earthquakes list October 21, 2011

Last update: October 21, 2011 at 11:18 pm by By

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M 7.5    7.3  7.6  7.4    2011/10/21 17:57    Depth 39.8 32.9 km     KERMADEC ISLANDS
October 22, 2011 at 05:57:17 AM at epicenter
Please read our in-depth report about this earthquake – Click here
870 km (541 miles) S (185°) from NUKU’ALOFA, Tonga
Satellite map of the greater epicenter area

M 5.8  6.1    2011/10/21 08:02     Depth 188.2 185 km      HOKKAIDO, JAPAN REGION
05:02:38 PM at epicenter
Probably harmless earthquake because of the focal depth
17 km (11 miles) NE (35°) from Asahikawa, Hokkaido, Japan
Satellite map of the greater epicenter area

M 3.8    2011/10/21    03:16     Depth 9.6 km    SAN FRANCISCO BAY AREA, CALIFORNIA
Thursday, October 20, 2011 at 08:16:05 PM at epicenter
Please read our in-depth report about this earthquake – Click here
UPDATE: No reports of damage or injuries from this quake too.
weak shallow earthquake just below Berkeley, CA
second earthquake in the same region after six hours of earlier M 4.0
8 km (5 miles) NNW  from Oakland, CA
Satellite map of the greater epicenter area
“I Have Felt It” reports as received by Earthquake-Report.com
Berkeley: Another one similar to this afternoon but longer! A few things fell off shelves and a plant pot broke.
Santa Cruz: Just sitting at my desk doing homework and my chair and table wobbled and I felt the ground slightly shake for 6 sec
Santa Clara: Sitting in bed watching tv, bed shook twice.  Much like someone getting out of bed.
Oakland: 2nd quake of the day.  pretty intense.  nothing fell over but there was a lot of shaking
Richmond: While having a deep conversation, the walls in my apt and windows began to shake. At first I thought it was my neighbor upstairs until my other half received a phone call about an earthquake. Second time today.
Berkeley: rond 8.00pm terug beving in Berkeley / California (2de vandaag), enkele lichtere voorwerpen vallen van kast, duidelijke beving van het huis, waarschijnlijk terug rond de 4 op schaal van Richter.
Fremont: A sudden sideways jolt, creak of wood studs and sideways shaking lasting 2-3 seconds.
More “I Have Felt It” reports : Click here

M 4.6    2011/10/21    05:50     Depth 43.9 km    SULAWESI, INDONESIA
01:50:22 PM at epicenter
moderate earthquake at intermediate depth
the epicenter location is 78 km SW of Palu (pop 282,431)
Badan Meteorologi & Geofisika  Djakarta, Indonesia mentions Felt MMI III
177 km (109 miles) NNW of Palopo, Sulawesi, Indonesia
Satellite map of the greater epicenter area

Summary of earthquakes only faintly felt by people
M 4.2      2011/10/21 13:17     Depth 15.4 km      OFFSHORE BAJA CALIFORNIA, MEXICO
Approx. 30 km from Puerto San Carlos

Japan, Honshu : aftershocks of M 4.5 or greater
M 4.7    2011/10/21    01:25     Depth 27.4 km    NEAR THE EAST COAST OF HONSHU, JAPAN

Daily summary of earthquakes only surrounded by a lot of water
M 5.1    2011/10/21    02:55     Depth 112.3 km    BANDA SEA

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

Ridge earthquakes in the Oceans (separating tectonic plates)
M 5.2      2011/10/20 16:07     Depth 10.3 km      WEST OF MACQUARIE ISLAND

seismograph - recordingUseful information to read this daily earthquake list
This earthquake list covers important earthquakes in the world.
If a more detailed page is present, the earthquake line will be linked to the detailed page.
For your comfort, we will provide in most cases Google Satellite Map links to give you an idea where the earthquake struck, which terrain it happened and if villages or cities are located in the immediate vicinity. The reference for the time zone is UTC (Coordinated Universal Time, also called GMT)
The page is regularly updated to add new earthquakes.
green color = NOT dangerous for damage or injuries
orange color = MODERATE risk for damage or injuries
red color = CONSIDERABLE risk for damage or injuries

QuakeSOS+ and QuakeSOS free are iPhone applications developed by Armand Vervaeck, the founder of Earthquake Report. The Application simplifies immediate group communication to friends and family members (with your exact GPS location) and is feeding the users with Earthquake Report news. The 0.99 US$ QuakeSOS+ version will support the activities of SOS Earthquakes.

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Earthquake-Report.com headlines on twitter
@OnlyQuakeNews : Get all the headlines of our earthquake-report.com articles + regular updates on ongoing events
@QuakeSOS : earthquake-report.com news + automatic earthquake notifications of USGS earthquakes of M 4.0 or higher with emphasis to earthquakes in the America’s and the Pacific Ocean sphere (4 and up) and a lot of the rest of the world (5 and up). This account was created for our QuakeSOS and QuakeSOS+ iPhone applications
@ShakingEarth : earthquake-report.com news + automatic earthquake notifications of EMSC earthquakes of M 4.0 or higher with emphasis to earthquakes in European and Asian / Middle East sphere (4 and up) and a lot of the rest of the world (5 and up). This account was originally created to stimulate our Facebook account
@QuakeMaps : earthquake-report.com news with mapping notifications of ALL earthquakes M 3.0 and higher from all over the world via EMSC and USGS. This account was created for our http://www.quake-maps.com website

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

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People :
Felt by persons at rest, on upper floors or favorably placed.
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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.
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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.
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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.
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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.
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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).
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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.
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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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