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Earthquakes

Bizarro Earth

Earthquakes, volcanic eruptions, sinkholes and flooding all in one: Iceland examines Bardarbunga volcano 'cauldrons'


BBC
Thu, 28 Aug 2014 08:09 UTC
barbarbunga cauldrons
Scientists in Iceland say they are examining several 'cauldrons' found near Bardarbunga volcano, which could potentially be a sign of an eruption.

The cauldrons, depressions in the volcano's surface, each between 10-15m (49 ft) deep and 1km (0.6 miles) wide, were seen during a flight on Wednesday.

Iceland's Met Office said they were formed "as a result of melting, possibly a sub-glacial eruption."

Bardarbunga volcano has been hit by several recent tremors.

The area experienced a magnitude 5.7 earthquake on Tuesday. Experts say these earthquakes are caused as magma flows beneath the ground, cracking the rocks as it moves.

The Met Office has kept its aviation warning level - indicating the potential threat of volcanic activity to air travel - at orange, its second-highest.

Comment: Iceland's Bardarbunga volcano: Magma moving towards new volcanic system

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Attention

Iceland's Bardarbunga volcano: Magma moving towards new volcanic system

Rebecca Morelle
BBC News
Tue, 26 Aug 2014 08:00 UTC
monitoring volcano

The University of Cambridge is monitoring the area with 70 seismometers
The magma from Iceland's Bardarbunga volcano could be moving towards another large volcanic system.

Data recorded by a team from the University of Cambridge suggests that 50 million cubic metres of molten rock has moved in the last 24 hours.

If it continues on a northern trajectory it could feed into the Askja volcanic system, potentially triggering a large eruption.

Prof Bob White said: "It's headed straight for it."

But he cautioned that volcanoes were hard to predict.

"It's moving at about 4km a day towards Askja, and if it keeps going it will get there in a few days," he told BBC News.

"We know there is a lot of molten rock sitting under the ground beneath Askja, which is a major volcanic system. If this molten rock hits that, we know it is likely to trigger it to erupt.

"But who knows, it may just stop. It is still at 5km-depth, and it is possible it could freeze there and not a lot more will happen. That is perfectly plausible."

Comment: Click Play below to see the volcanic activity around the world map for the month of August. The Ring of Fire is active as well as the "usual suspects" in Europe:



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Map

August 24, 2014: 7.0 earthquake strikes Peru + 6.7 in Chile + 6.0 in California + Iceland erupting = major unrest occurring

Michael Zanitch
Dutchsinse
Sun, 24 Aug 2014 08:03 UTC
earthquakes 24 august

Past 36 hours of earthquakes (up to 700pm CDT Aug. 24, 2014) shows a series of large events in South and North America. California having its first “destructive” earthquake in 25 years near San Francisco, Peru having a 7.0M event, and Chile having a 6.4M event.

Another large earthquake has struck the Pacific ring of fire.

On top of today's 6.0M in Central California, on top of yesterdays 6.7M earthquake in Chile, now we see a 6.8 magnitude (upgraded to 7.0M) event in Peru.

Overall, we are seeing a major uptick in earthquake activity occur. On top of Icelands large volcanic eruption, I would say now is a good time to have a plan and be prepared.

I'd still be watching near Vancouver Island. Salton Sea should show something soon as well. Notice the earthquakes stopped in Oklahoma temporarily.. the pressure has been "transferred" temporarily...

But to where? Where has the pressure transferred? Since we first saw the 6.7M yesterday in Chile.. now the 6.0M in California.. this makes me think its a NW pressure transfer which is occurring like all those deep asthenosphere earthquakes which were happening at the 350mile deep range.

Comment: Why is our Earth so seismically and volcanically active this summer? And don't forget that hundreds of methane plumes are erupting along the U.S. Atlantic coast! Things must be reaching a tipping point of sorts. Earth Changes and the Human Cosmic Connection has all the answers. A little spoiler: each one of us help create - or not - these conditions on our planet.

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Alarm Clock

USGS: Earthquake Magnitude 6.0 - 6km NW of American Canyon, California


U.S. Geological Survey
Sun, 24 Aug 2014 04:20 UTC
Earthquake 6.0 in N CA, USA
© USGS
Event Time
2014-08-24 10:20:44 UTC
2014-08-24 03:20:44 UTC-07:00 at epicenter

Location
38.220°N 122.313°W depth=11.3km (7.0mi)

Nearby Cities
6km (4mi) NW of American Canyon, California
8km (5mi) SSW of Napa, California
13km (8mi) NNW of Vallejo, California
14km (9mi) ESE of Sonoma, California
81km (50mi) WSW of Sacramento, California

Scientific data

Comment: There was a bigger earthquake later the same day in Peru, a 6.9.

Seems like the ring of fire is heating up!

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Alarm Clock

USGS: Earthquake Magnitude 6.9 - 43km ENE of Tambo, Peru


U.S. Geological Survey
Mon, 25 Aug 2014 01:43 UTC
Earthquake 6.9 tampo in Peru
© USGS
Event Time
2014-08-24 23:21:45 UTC
2014-08-24 18:21:45 UTC-05:00 at epicenter

Location
14.586°S 73.578°W depth=101.0km (62.8mi)

Nearby Cities
43km (27mi) ENE of Tambo, Peru
61km (38mi) ENE of Puquio, Peru
105km (65mi) S of Andahuaylas, Peru
129km (80mi) SW of Abancay, Peru
467km (290mi) SE of Lima, Peru

Scientific data
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Map

6.0 magnitude earthquake shakes San Francisco Bay Area


The New York Times
Sun, 24 Aug 2014 07:53 UTC
bay area earthquake
© Lyall Davenport/Associated Press
A damaged building in Napa, California, after an earthquake hit the San Francisco Bay Area on Sunday
An earthquake with a preliminary magnitude of 6.0 was reported early Sunday in California's northern San Francisco Bay Area.

Leslie Gordon of the United States Geological Survey said the tremor struck about 3:30 a.m. Sunday, about 10 miles northwest of American Canyon, which is about six miles southwest of Napa. The agency said it was the largest tremor to shake the Bay Area since the magnitude-6.9 Loma Prieta quake in 1989.

The agency said there was a "low likelihood for casualties," but issued an "orange alert" for possible damage, a rating that means "significant damage is likely and the disaster is potentially widespread."

Comment: Here's a map of the global seismic activity from just the beginning of August till today:



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Bizarro Earth

USGS: Earthquake Magnitude 5.3 - 113km WNW of Hofn, Iceland


US Geological Survey
Sat, 23 Aug 2014 20:11 UTC
Image
© USGS
Event Time
2014-08-24 00:09:53 UTC
2014-08-24 00:09:53 UTC+00:00 at epicenter

Location
64.686°N 17.351°W depth=5.4km (3.4mi)

Nearby Cities
113km (70mi) WNW of Hofn, Iceland
116km (72mi) SSE of Akureyri, Iceland
227km (141mi) ENE of Reykjavik, Iceland
229km (142mi) ENE of Kopavogur, Iceland
231km (144mi) ENE of Hafnarfjordur, Iceland

Comment: This year has seen a sharp rise in the number of earthquakes reported across the globe compared to 2012 and 2013, see chart below -



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Bizarro Earth

6.6 Magnitude earthquake shakes Valparaiso, Chile


USA Tiday
Sat, 23 Aug 2014 19:57 UTC
Image
© USGS
A 6.6-magnitude earthquake rocked the region around Valparaiso, Chile on Saturday, the U.S. Geological Survey reported.No injuries or serious damage from the strong quake that occurred at 7:23 p.m. ET were reported, but electricity and telephone service was interrupted in some areas.Earthquakes in the range of 6.1 to 6.9 happen about 100 times a year, according to the Department of Geological Engineering and Sciences at Michigan Technological University. But they can cause a lot of damage in populated areas and can be felt hundreds of miles from the epicenter.

The seismological service said a preliminary report showed the quake was centered about 11 miles west-northwest of a community called Hacienda La Calera, about 67 miles northwest of the capital of Santiago. It had a depth of about 19 miles.

The largest recorded earthquake was the Great Chilean Earthquake of May 22, 1960, which had a magnitude of 9.5. Each whole-number increase on the Richter scale represents a tenfold increase in an earthquake's strength.

USGS data
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Bizarro Earth

USGS: Earthquake Magnitude 4.7 - 104km SSE of Akureyri, Iceland


US Geological Survey
Sat, 23 Aug 2014 14:08 UTC
Image
© USGS
Event Time
2014-08-23 18:33:06 UTC
2014-08-23 18:33:06 UTC+00:00 at epicenter

Location
64.792°N 17.380°W depth=2.5km (1.5mi)

Nearby Cities
104km (65mi) SSE of Akureyri, Iceland
229km (142mi) ENE of Reykjavik, Iceland
230km (143mi) ENE of Kopavogur, Iceland
233km (145mi) ENE of Hafnarfjordur, Iceland
613km (381mi) NW of Torshavn, Faroe Islands
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Blue Planet

250 injured after strong earthquake hits Iran near border with Iraq


CNN
Sun, 17 Aug 2014 23:31 UTC
Iran earthquake
© AFP Photo/Frederick Florin
The US Geological Survey, reporting the magnitude of the quake at 6.3, said it struck 36 kilometres (22 miles) southeast of the city of Abdanan, near the border with Iraq.
A powerful earthquake struck early Monday in western Iran, injuring at least 250 people in a region near the border with Iraq.

Local authorities said they fear the quake may have caused widespread destruction in rural areas.

The 6.2-magnitude earthquake hit at a depth of around 10 kilometers (6 miles) in an area 36 kilometers southeast of the Iranian city of Abdanan, the U.S. Geological Survey said. It was followed by a series of aftershocks.

The quake injured at least 250 people in the province of Ilam, Iran's official news agency IRNA reported, citing local disaster management authorities. The tremors cut off water, electricity and phone lines in Abdanan.
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