IRAN INDIA ENVIRONMENTAL UPDATE:
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Fair Use: http://earthquake.usgs.gov/
Significant Earthquakes (SOURCE USGS)
Significant EarthquakesPast 30 Days
The
government earthquake monitoring center said the quake registered magnitude 6.2
and hit Sunday evening. It said it was centered 175 miles southeast of the
oasis city of Hotan. The area is deep in the thinly populated Kunlun mountains.
Iran
earthquakes kill more than 180; toll could rise
The twin quakes,
one a magnitude 6.4, strike a relatively lightly populated region in
northwestern Iran. The epicenter is near the town of Ahar.
TEHRAN –- More than 180 people were
reported killed and 1,300 injured Saturday when twin earthquakes struck
mountainous northwestern Iran, sending entire villages crashing to the
ground.
Iran earthquakes leave scores dead in Tabriz region
Two strong
earthquakes have struck north-western Iran, leaving at least 180 people dead
and more than 1,300 injured, officials say.
The quakes struck near Tabriz
and Ahar, but most of the casualties are thought to be in outlying villages.
Six villages were destroyed,
and thousands are spending the night in emergency shelters or in the open.
Tectonic
Summary
Seismo tectonics of the Himalaya and Vicinity
Seismicity in the Himalaya
dominantly results from the continental collision of the India and Eurasia
plates, which are converging at a relative rate of 40-50 mm/yr. Northward
underthrusting of India beneath Eurasia generates numerous earthquakes and consequently
makes this area one of the most seismically hazardous regions on Earth. The
surface expression of the plate boundary is marked by the foothills of the
north-south trending Sulaiman Range in the west, the Indo-Burmese Arc in the
east and the east-west trending Himalaya Front in the north of India.
The India-Eurasia plate boundary
is a diffuse boundary, which in the region near the north of India, lies within
the limits of the Indus-Tsangpo (also called the Yarlung-Zangbo) Suture to the
north and the Main Frontal Thrust to the south. The Indus-Tsangpo Suture Zone
is located roughly 200 km north of the Himalaya Front and is defined by an
exposed ophiolite chain along its southern margin. The narrow (<200km)
Himalaya Front includes numerous east-west trending, parallel structures. This
region has the highest rates of seismicity and largest earthquakes in the
Himalaya region, caused mainly by movement on thrust faults. Examples of
significant earthquakes, in this densely populated region, caused by reverse
slip movement include the 1934 M8.1 Bihar, the 1905 M7.5 Kangra and the 2005
M7.6 Kashmir earthquakes. The latter two resulted in the highest death tolls
for Himalaya earthquakes seen to date, together killing over 100,000 people and
leaving millions homeless. The largest instrumentally recorded Himalaya
earthquake occurred on 15th August 1950 in Assam, eastern India. This M8.6
right-lateral, strike-slip, earthquake was widely felt over a broad area of
central Asia, causing extensive damage to villages in the epicentral region.
The Tibetan Plateau is situated
north of the Himalaya, stretching approximately 1000km north-south and 2500km
east-west, and is geologically and tectonically complex with several sutures
which are hundreds of kilometer-long and generally trend east-west. The Tibetan
Plateau is cut by a number of large (>1000km) east-west trending,
left-lateral, strike-slip faults, including the long Kunlun, Haiyuan, and the
Altyn Tagh. Right-lateral, strike-slip faults (comparable in size to the left-lateral
faults), in this region include the Karakorum, Red River, and Sagaing.
Secondary north-south trending normal faults also cut the Tibetan Plateau.
Thrust faults are found towards the north and south of the Tibetan Plateau.
Collectively, these faults accommodate crustal shortening associated with the
ongoing collision of the India and Eurasia plates, with thrust faults
accommodating north south compression, and normal and strike-slip accommodating
east-west extension.
Iran is one of the most seismically active countries
in the world, being crossed by several major fault lines[1] that cover at least 90% of the country.[2] As a result, earthquakes in Iran occur often and
are destructive.
21st century
|
Date
|
Time
|
Epicenter
|
Magnitude
|
Fatalities
|
Coordinates
|
Official
title
|
|
Aug 11, 2012
|
12:23:18
|
6.4 and 6.3
|
250
|
|||
|
Jun 15, 2011
|
01:05:30
|
5.3
|
2
|
|||
|
Dec 20, 2010
|
22:12:01
|
6.5
|
11
|
|||
|
Aug 27, 2010
|
23:56:34
|
5.9
|
19
|
2010 Damghan earthquake
|
||
|
Sep 10, 2008
|
11:00:34
|
6.1
|
7
|
|||
|
March 31, 2006
|
01:17:01
|
6.1[4]
|
70[4]
|
|||
|
November 27, 2005
|
10:22:19
|
6.0[5]
|
13[5]
|
|||
|
February 22, 2005
|
02:25:22
|
6.4[6]
|
At least 602[7]
|
|||
|
May 28, 2004
|
12:38:46
|
6.3[8]
|
At least 35[8]
|
|||
|
December 26, 2003
|
01:56:52
|
6.6[9]
|
At least 30,000[9]
|
|||
|
June 22, 2002
|
02:58:21
|
6.5[10]
|
262[2]
|
Related
THINK OF THE EARTH - India Flash Floods,
and other Disasters - so you cannot sleep ask K. Leslie why
Thought provoking radio,
for thinking people
Fair Use:
Fair Use:
India Flash Flood Death
Toll Rises To 26
LUCKNOW, India -- An official says army troops
and police are searching for more bodies in the debris of destroyed homes in
northern India, where at least 26 people have been killed by torrential rains.
Government spokesman Amit Chandola says at least
five people are still missing after heavy downpours starting Thursday triggered
landslides and flash floods in Uttarakhand state.
Chandola said Sunday that soldiers helped rescue
hundreds of people stranded in areas of Chamoli district.
----------------------
The Northeast Regional Climate Center at Cornell
University reported Tuesday that the average temperature in the 12-state region
was 49.9 degrees from January through July. That's the warmest seven-month
period since 1895, the year systematic record keeping began.
----------------------
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