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Mon, 19 Nov 2018
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Earthquakes

Seismograph

Major 7.1-magnitude earthquake strikes Peru on border with Brazil and Bolivia

Peru has been rocked by a 7.1 magnitude earthquake
© USGS
Peru has been rocked by a 7.1 magnitude earthquake
Peru has been rocked by a major 7.1 magnitude earthquake close to the border with Brazil and Bolivia, the US Geographical Survey (USGS) said.

The massive quake struck 248km north-west of Puerto Maldonado, a city in south-eastern Peru, at 4:04am local time (10am BST).

Its epicentre was at a depth of 610km (379 miles), according to the USGS, with the city of Pucallpa hit by two violent shakes.

The quake was also felt in northern Chile and the Colombian city of Medellin, but authorities said there was no tsunami risk.

There are currently no reports of damage or casualties.

Comment: This comes just three days after a similar magnitude earthquake struck northern Venezuela:

Major 7.3 earthquake strikes northern Venezuela, causing minor damage - Largest quake in 118 years


Seismograph

Magnitude 6.3 earthquake shakes Alaska as state is hit by 35 tremors in 2 days

The eruption happened at around 4.30am BST
© USGS/BRYTTA
The eruption happened at around 4.30am BST
A 6.3 magnitude earthquake was struck 28 miles south east of Tanaga Volcano, Alaska, according to the US Geological Survey (USGS).

The eruption, which occurred in the remote Andreanof Islands region of Alaska, happened at around 4.30am BST and had a depth of 27 miles.

There has been a total of 35 earthquakes in Alaska in the last two days, ranging from 2.5 in magnitude to 6.3 according to the USGS.

Tanaga Volcano, is located in Tanaga Island within the Andreanof archipelago and is one of three volcanoes on the island.

Attention

69 massive earthquakes hit the Pacific's Ring of Fire in 48 hours sparking fears of 'the Big One' in California

ring of fire map
© youtube.com
A large swath of earthquakes hit the Pacific's so-called Ring of Fire earlier this week, prompting some to wonder if it is a precursor to the oft-discussed massive earthquake, colloquially known as "the Big One."

Sixty-nine earthquakes, including 16 tremors registering 4.5 or above on the Richter scale, recently hit the area, according to the U.S. Geological Survey (USGS), which recorded the events but did not issue a warning.

Several of the quakes registered significant impacts, including one that hit 5.0 and shook the area on Tuesday morning. Fiji appeared to be the most impacted, as five tremors above a 4.5 magnitude hit the small island.

Luckily, the earthquakes did not reach the western coast of the U.S., which partially sits on the Cascadia subduction zone, a fault that stretches from mid-Vancouver Island to Northern California. The recent tremors have sparked concern that "the Big One" could be near, according to The Daily Mail, but the USGS has made no mention of this.

Of the 69 earthquakes, 53 hit the area on Sunday, followed by the 16 subsequent tremors, impacting Indonesia, Bolivia, Japan and the aforementioned Fiji.

Comment: Some notable earthquakes over the past few days include: See also:


Binoculars

Magnitude 6.3 earthquake off coast of Oregon warns of Cascadia subduction zone slippage

Cascadia subduction zone

Cascadia subduction zone
A magnitude 6.3 earthquake struck off the coast of Oregon on Wednesday. The quake, which occurred 188 miles west of the town of Bandon is sparking fears that the Cascadia subduction zone will slip causing a major apocalyptic tsunami.

The quake was recorded at a depth of about 10 km, according to the USGS website and there was no tsunami warning issued. Robert Sanders said people as far away as Portland reported feeling the tremblor. No injuries or damage has been reported.

All seems well and quiet on the West Coast. For now. But scientists still warn that the Cascadia subduction zone could cause a major event if the Juan de Fuca ocean plate, which goes under the North American continental plate causes a "slip" and a massive 9.0 earthquake.

Comment: See also:


Seismograph

Project Cannikin: When the US created a magnitude 6.8 earthquake with a 5 megaton nuclear warhead

Project Cannikin

Project Cannikin
So you don't buy that earthquakes can be man made? This is evidence from 60 years ago! It was detonated at least 6000 feet into the ground (roughly 2000 meters). This footage is from Project Cannikin, which was a proof-test for the 5 megaton warhead to be used on the Spartan missile system. Researchers were fearful of such a large device being detonated underground, so the testing was moved to way out in the middle of nowhere on the Amchitka penninsula in Alaska. The effect on the ground was necessary, and predicted, to see its pulse effect.

Seismic recordings of the test registered a magnitude of 6.8 on the richter scale as a direct result of the detonation. Over 1,000 after shocks with magnitudes as greater than 4.0 on the richter scale were recorded within the first 30 days following the blast.

The energy produced by the detonation caused the surface of the island directly above the device to rise 25 feet. Large portions of the coastline collapsed into the sea for a stretch of two-miles from ground-zero. The beach and ocean floor in the near vicinity, the Cannikin site were permanently raised 5 feet.

Comment: While much of the extreme changes in weather patterns and the increase in earthquake and volcanic activity are likely correlated with other happenings in our solar system, that doesn't mean nefarious players on earth haven't been involved in insane attempts to modify the weather or to hone the use of earthquakes as a weapon of war: Also check out SOTTs monthly documentary: SOTT Earth Changes Summary - July 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs


Attention

Devil's Woodyard volcano on Trinidad erupts again - at the same time as major quake hits off Venezuela

Hindustan villagers Richard Bissoon and Yoge Deochan, right, near the sea of mud left behind after the mud volcano at Devil’s woodyard erupted on Carnival Tuesday.
© Lincoln Holder
FILE PHOTO: Hindustan villagers Richard Bissoon and Yoge Deochan, right, near the sea of mud left behind after the mud volcano at Devil’s woodyard erupted on Carnival Tuesday.
The Devil's Woodyard mud volcano erupted this afternoon almost at the same time a 6.9 magnitude earthquake shook TT, Venezuela, Grenada, St Lucia, St Vincent and Guyana.

Councillor from the Princes Town Regional Corporation for Hindustan/St Mary's, Michelle Benjamin, told Newsday that residents reported hearing a loud sound coming from the volcano at the same time the first tremors from the earthquake began.

Benjamin said residents fled their homes, seeking open ground, and saw the volcano spewing mud several feet in the air.

She said no one had reported any structural damage to their homes and there were no reports of further cracking of the earth around the volcano.

Seismograph

Shallow magnitude 6.3 earthquake strikes off the coast of Oregon - 3rd major quake worldwide within 12 hours

earthquake
An earthquake has been recorded at a depth of about 10 km (6 miles) and 302 km (188 miles) west of Bandon, Oregon, according to the United States Geological Survey (USGS) website.

No tsunami warning has yet been issued. There is no information about possible victims or damage.

Earlier today a 7.3 quake hit Venezuela, Trinidad, Guyana, Barbados and Grenada.

A magnitude 6.7 earthquake has also hit the Republic of Vanuatu in the New Hebrides archipelago in the Pacific Ocean.

Comment: The 2 other recent events:


Seismograph

Shallow M6.7 earthquake hits Vanuatu

Earthquake at Vanuatu's sparsely-populated Ambrym island.

The quake struck at a moderate depth of 30 kilometres with the epicentre just off the northern tip of Vanuatu's sparsely-populated Ambrym island.
A 6.7-magnitude earthquake hit the Pacific island nation of Vanuatu on Wednesday morning, the US Geological Survey said, but no tsunami warning was issued.

The quake struck at a moderate depth of 30 kilometres with the epicentre just off the northern tip of Vanuatu's sparsely-populated Ambrym island.

The Pacific Tsunami Warning Centre said there was no tsunami risk.

"Shaking would have been felt throughout the whole of Vanuatu," Geoscience Australia senior seismologist Eddie Leask told AFP.

"But it's hard to tell whether it will cause damage. It's reasonably shallow but it all depends on the buildings, soil type and so on."

On its website, Geoscience put the potential damage radius at 63 kilometres.

Seismograph

Major 7.3 earthquake strikes northern Venezuela, causing minor damage - Largest quake in 118 years

earthquake hit the Northern Venezuela coast
© REUTERS
People evacuate a building following tremors in Caracas after an earthquake hit the Northern Venezuela coast
A powerful earthquake with a magnitude of 7.3 has struck the northern coast of Venezuela, forcing the Pacific Tsunami Warning Center to briefly issue a warning for coastal areas within a 300 km radius of the epicenter.

The deep jolt, registered by USGS at depth of 123 km, was most strongly felt around the Gulf of Paria area but has also shaken buildings in the capital, Caracas. However, according to the Venezuelan Seismological Research Foundation, the earthquake was somewhat smaller and a lot more shallow, measuring 6.3 in magnitude and less than a kilometer deep.

After issuing an initial tsunami warning for the Venezuelan coast and neighboring Trinidad & Tobago, as well as Grenada, the Pacific Tsunami Warning Center (PTWC) updated its alert, noting that "there is no tsunami threat from this earthquake." People along the coast are still asked to "remain observant" and to exercise "caution" near the sea. Sea fluctuations "up to 30 cm" above or below normal tide may still take place over the course of the next few hours along the coastal areas, the PTWC advised.
caracas building earthquake
© Federico Parra/AFP/Getty Images
Part of the abandoned skyscraper Torre de David leans precariously in Caracas after the quake.

Comment: According to USGS, there have been 17 previous earthquakes with magnitude of over 6 in the region, though large earthquakes are rare. Tuesday's quake was the largest within 155 miles (250 kilometers) of this location in over a century. See our Earthquakes topic section for more recent increased seismic activity.

Now for the big question: is it 'just a coincidence' that this quake strikes Venezuela, and not far from Caracas, at this time? Socio-political upheaval mirrored in planetary upheaval?

Or could there have been some measure of 'direction' (as we suspect happened with the Haiti earthquake in 2010)?

At the very moment this one struck, Venezuela's leaders were celebrating a "revolutionary" new economic plan they hope will rescue Venezuela's stricken economy:
According to Associated Press, the confusing moments after the quake were captured on state television as Diosdado Cabello, one of Venezuela's most powerful politicians, was delivering a speech at a pro-government rally. "Earthquake!" many members of the audience cried, pointing to the ground, as Cabello and others looked from side to side.
Here it is here; around the 2-min mark:




Seismograph

Yet MORE earthquakes hit Lombok, Indonesia - 6.9 and 6.3 magnitude quakes cause landslides

A second earthquake has hit in the northeast of Lombok in less than 24 hours

A second earthquake has hit in the northeast of Lombok in less than 24 hours
A magnitude 6.9 earthquake has hit to the northeast of the Indonesian island of Lombok.

The US Geological Survey had originally measured the quake at magnitude 7.2 but has revised that figure and says it hit near to the island at a depth of 20 kilometres.

It comes just hours after a 6.3 earthquake caused landslides and damage to houses on the popular holiday island.

Video shot by the Indonesian Red Cross showed huge clouds of dust billowing from the mountain's slopes after the earlier tremors struck.


Comment: How many is that now? 4 major quakes on Lombok in less than a month?

See also: Indonesia earthquake shakes Lombok AGAIN as island hit by 6.3 magnitude tremor after disaster killed 460