Earthquakes list July 22, 2011

Last update: July 23, 2011 at 7:36 am by By

M 5.3      2011/07/23 06:28     Depth 44.8 km      ALASKA PENINSULA
July 22, 2011 at 10:28:35 PM at epicenter
A series of moderate to strong harmless earthquakes in the greater Sand Point area.
People who experienced it have reported a III MMI (weak shaking). The lower magnitude can be explained because of the distance and the focal depth.
70 km (43 miles) SW of Sand Point, Alaska and 90 km (55 miles) ESE of Cold Bay, Alaska
Satellite map of the greater epicenter area

M 5.5      2011/07/23 02:56     Depth 120.6 km      SAN JUAN, ARGENTINA / CHILE
Friday, July 22, 2011 at 11:56:53 PM at epicenter
Harmless deep high Andes earthquake. 222,000 people have felt a light shaking and a lot more a weak shaking.
130 km (80 miles) SE of Vallenar, Atacama, Chile
Satellite map of the greater epicenter area

M 5.6      2011/07/22 20:58     Depth 4.4 km     GUAM REGION
July 23, 2011 at 06:58:55 AM at epicenter
Max. MMi light shaking at Guam island. Epicenter on the high subduction slope.
93 km (57 miles) SE of HAGATNA, Guam
Satellite map of the greater epicenter area

M 4.5      2011/07/22 08:20     Depth 62.2 km     NEAR THE COAST OF ECUADOR
Friday, July 22, 2011 at 03:20:31 AM at epicenter
Harmless moderate earthquake at an intermediate depth close to Guyaquil.
64 km (40 miles) SW (217°) from Guayaquil, Ecuador
Satellite map of the greater epicenter area

M 6.0      2011/07/22 06:56     Depth 600.6 km      FIJI REGION
06:56:40 PM at epicenter
Too deep in the hot solid mantle of the earth to cause any problems.
This however very strong earthquake will NOT be felt by the people living above it.
43 km (26 miles) NNE of Ndoi Island, Fiji
Satellite map of the greater epicenter area

Shallow weak to moderate earthquakes well felt by people living above it
M 4.9      2011/07/22 14:52     Depth 15.0 km     EASTERN RUSSIA-N.E. CHINA BORDER REGION

Summary of earthquakes only faintly felt by people
M 4.5      2011/07/22 11:58     Depth 32.2 km      OFFSHORE OAXACA, MEXICO
M 5.0      2011/07/22 10:48     Depth 51.5 km     NEAR THE COAST OF NICARAGUA
M 4.7      2011/07/22 10:07     Depth 48.2 km     OFFSHORE CHIAPAS, MEXICO
M 4.6      2011/07/22 09:43     Depth 41.6 km     ALASKA PENINSULA
M 4.5      2011/07/22 06:39     Depth 66.3 km      OFFSHORE CHIAPAS, MEXICO

Japan, Honshu : aftershocks of M 4.5 or greater
M 4.8      2011/07/22 00:56     Depth 23.4 km      OFF THE EAST COAST OF HONSHU, JAPAN

Daily summary of earthquakes only surrounded by a lot of water
M 5.2      2011/07/22 20:35     Depth 39.7 km      WEST CHILE RISE

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

M 5.1      2011/07/21 17:39    Depth 12.0 km     CHRISTCHURCH, NEW ZEALAND
Friday, July 22 2011 at 5:39 am
Moderate shallow aftershock
Satellite map of the greater epicenter area

M 5.6     2011/07/21  23:01     Depth 10.0 km   BALLENY ISLANDS REGION
Friday, July 22, 2011 at 10:01:42 AM at epicenter
453 km NNE of Young Island, Balleny Islands
2442 km SSE of HOBART, Tasmania, Australia
2456 km SSW of WELLINGTON, New Zealand
Satellite map of the greater epicenter area

Daily summary of earthquakes only surrounded by a lot of water
M 5.0     2011/07/21   23:17     Depth 20.2 km KERMADEC ISLANDS REGION

Summary of earthquakes only faintly felt by people
M 4.2      2011/07/21 22:52     Depth 20.0 km     GREECE

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

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I have felt it – Ik heb het gevoeld – Το έκανα αισθάνεται – Yo lo siento – 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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