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Sat, 20 Jul 2019
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Earthquakes

Seismograph

Strong M6.1 earthquake hits Panama but no initial reports of casualties

Panama earthquake
© USGS
The 6.1 magnitude earthquake struck at 3.24pm ET Sunday about 4 miles southeast of Plaza de Caisan, Panama, at a depth of 23 miles
A 6.1 magnitude earthquake hit Panama on Sunday near the border with Costa Rica, the U.S. Geological Survey said, but there were no immediate reports of damage or casualties.

The quake struck at a depth of 37 km (23 miles) in the far west of the country and the closest town was Santa Cruz, about 5 km away, it said.

There was no tsunami alert issued from the Pacific Tsunami Warning Center, and USGS said there was a low likelihood of casualties and damage.

In November 2017 a 6.5-magnitude quake on the Pacific coast of Costa Rica left buildings swaying in the capital San Jose and contributed to the deaths of two people who had heart attacks.

Farther north, two months earlier in September 2017 a 7.1-magnitude earthquake killed more than 300 people in Mexico.

Seismograph

Magnitude 6.3 earthquake hits near Miyazaki in southwestern Japan

Earthquake in Miyazaki, Japan
© USGS
The U.S. Geological Survey says a magnitude 6.3 earthquake hit near Miyazaki in southwestern Japan
The U.S. Geological Survey says a magnitude 6.3 earthquake hit near Miyazaki in southwestern Japan.

The agency says the earthquake struck at 8:48 a.m. Friday and had an epicenter 39 kilometers (24 miles) southeast of Miyazaki, a city of about 400,000.

The earthquake had a depth of 23 kilometers (14 miles.)

The Japan Times reports that Kyushu Electric Power Co. says no abnormalities were reported at the nearby Sendai nuclear power plant in Kagoshima Prefecture.

The Times also reports that nation's weather agency did not issue a tsunami warning.

Seismograph

7.2 magnitude earthquake hits Papua New Guinea [Update]

PNG quake
© USGS
The 7.2-magnitude earthquake was reported by USGS

Quake strikes eastern edge of mountainous country


A 7.2 magnitude earthquake has struck near Papua New Guinea, the United States Geological Survey (USGS) has said.

The quake struck 33km north west of the town of Bulolo in the early hours of Tuesday morning.

The epicentre of the strong quake was 127 km (79 miles) below the surface, the USGS said, in a region at the eastern edge of the mountainous country.

Comment: More information on the quake:
Its epicentre was 33 kilometers from the town of Bulolo at 2119 GMT according to the agency. It has a population of some 16,000. The nearest population centre is Lae, Morobe, 66km from the epicentre, with 76,000 residents.

The fire department in Lae said no one had yet called in to report damage or injuries so far following the quake. Social media photos out of Lae show stock strewn over the floors of supermarkets and clinics, though there appears to be little structural damage.

The Moresby-based National Disaster Management office said there had been no immediate reports of damage but news from the quake zone could take time to trickle in.

"We are awaiting assessments," a spokesman told AFP.



Christopher Lam was in Lae, about 100km north of Bulolo, said the rumble was audible.

"It was big. You can hear it. Got stuff thrown around in the house and the power is now cut off," he tweeted, alongside a video that showed his home rattling.

The PNG Power Ltd has issued a statement saying several of its power plants in the area of Ramu and Baiune had been knocked offline due to moving machinery, minor damage to power houses and damaged transformers.

The USGS automated assessment predicts a 65 per cent chance of zero fatalities, and just 4 per cent odds for there being up to one hundred. Economic losses are expected to be minimal.

But a similar 7.5 earthquake last year buried homes under landslides, killing some 125 people. It took several days for news of the tragedy to trickle out of PNG's remote countryside.

According to the Richter Scale, a 7-magnitude quake is equivalent to the detonation of 20 billion kilograms of dynamite and can cause serious damage to building foundations and underground pipes.



Seismograph

"Unprecedented": M2.5 quake hits Surrey, UK - 20 in less than a year since fracking began

surrey quake may 2019
© British Geological Survey/PA Wire
Buildings shook after the latest in a series of earthquakes struck Surrey in the early hours of Saturday morning.

Residents described fearing there had been an "explosion" after the 2.5 magnitude shaker hit at 1.19am.

It follows at least 20 similar quakes in the county in little more than a year - with many residents saying they fear the new seismic activity may be linked to oil and gas exploration being conducted at Horse Hill near Gatwick airport.

A spokeswoman for the British Geological Survey said: "Around 100 reports from members of the public in the epicentral area have been received so far and many others have taken to social media to report their experience. Typical reports described 'windows and doors shook', 'felt like some sort of explosion' and 'a loud bang woke me up'."

Comment: While the UK government couldn't care less about the destruction wrought by fracking, thankfully business has made the decision for them and fracking appears to be on the out. Although, that's not to say that the quake risk is over: Geologists discover London sitting on two serious fault lines, capital at risk of dangerous earthquake

See also:


Seismograph

Shallow magnitude 6.1 earthquake strikes north of the Solomon Islands

chart
A magnitude 6.1 earthquake struck north of the Solomon Islands in the southwest Pacific Ocean on Friday, the United States Geological Survey reported.

The quake hit at 6:45 p.m. local time at a depth of 10 kilometers, roughly 145 km north-northeast of Buala, a small town on the southeast coast of Santa Isabel Island, the longest island in the Solomon Islands.

There were no immediate reports of damage or casualties.

The Tsunami Warning Center in Hawaii reported there is no tsunami threat.

Seismograph

Shallow magnitude 6.2 earthquake hits Carlsberg Ridge, Indian Ocean

earthquake
Most important Earthquake Data:

Magnitude : 6.2

Local Time (conversion only below land) : Unknown

GMT/UTC Time : 2019-04-29 14:19:53

Depth (Hypocenter) : 10 km

Book 2

A Book Review - Prehistory Decoded

Gobekli Tepe
© Wikipedia Commons
Any follower of Catastrophism the last few years has seen extraordinary confirmations of ancient cataclysm and novel contributions to our way of thinking. To the Tusk, three revelations have characterized the period: The discovery of an extraordinarily youthful late Pleistocene crater in Greenland; a series of popular, comprehensive and unrefuted major journal articles which exquisitely defined hard evidence for the Younger Dryas impact catastrophe; and the singular contribution of Dr. Martin Sweatman, as made in his fabulous book, Prehistory Decoded.

Dr. Sweatman has done our planet and history a tremendous favor by writing Prehistory Decoded. By employing the hard science of probability, he has managed to demystify the world's very earliest and most mysterious art.

Prehistory Decoded begins by documenting Sweatman's initial discovery, reported worldwide in 2015, of an empirical method for decoding the world's first art using pattern matching and statistics. Guess what? The code is a memorial and date stamp for our favorite subject here: the Younger Dryas Catastrophe, and its associated Taurid meteor traumas.

Sweatman has managed to produce a synthesis explanation for the previously indecipherable succession of artistic animal figures at Gobekeli Tepe in Turkey, Chauvet Cave in France, Lascaux Cave in France, and Çatalhöyük in Turkey, among others. Unsurprisingly to the open minded, the ancient artists are communicating using a universally handy and persistent reference set: Stars. Or, more precisely, the appearance of constellations as adjusted over time according earth's precession.

(Don't you love the internet? One hyperlink and no need to explain all that!)

It seems reasonable then to the Tusk that, if there were a code, someone, somewhere, would break the code soon given the global availability and intense interest in the information. In fact, if I waited much longer without someone cracking it, the Tusk may have become convinced the oldest art is simply stunning cave paintings, and heavy carved rocks, with no relevant common narrative (other than horses are pretty, and moving rocks is cool).

Seismograph

Strong 6.1 magnitude earthquake hits Arunachal Pradesh, India

Earthquake seismograph
A strong 6.1-magnitude earthquake struck India's northeastern state of Arunachal Pradesh early Wednesday, the US Geological Survey said.

The epicenter of the shallow quake was about 40 kilometres (25 miles) southeast of Along, and 180 kilometres southwest of the state capital Itanagar.

It struck at 1.45 am (2015 GMT Tuesday). Arunachal Pradesh is India's least densely populated state, but is still home to more than 1.2 million people, according to the state government's website.

China's official state news agency Xinhua said the quake was felt in Tibet, which neighbors the Indian state. New Delhi and Beijing for decades have disputed control of Arunachal Pradesh -- a dispute that remains unresolved. India considers Arunachal Pradesh one of its northeastern states, while China claims about 90,000 square kilometres (34,750 square miles) of the territory.

Arunachal Pradesh also borders Myanmar and Bhutan. USGS estimated there was a "low likelihood" of casualties and damage from the quake.

Seismograph

Scientists have identified almost 2 million 'hidden' earthquakes shaking California

Earthquake crack
© SteveCollender/iStock
California is notorious for its earthquakes, but a stunning new discovery reveals for the first time just how much we've underestimated its omnipresent earth-shaking potential.

By the time you just about finish reading this story, in fact, Southern California will probably have experienced another quake - based off a new, unprecedented deep dive into 10 years' worth of seismic data, which isolated almost 2 million 'hidden' tremors in the region that scientists had never identified before.

For decades, scientists suspected these invisible, smaller quakes existed, but had no way of singling them out from other random vibrations created by things like vehicle traffic, construction projects, weather events, and more.

"It's not that we didn't know these small earthquakes were occurring," says geophysicist Zachary Ross from Caltech.

"The problem is that they can be very difficult to spot amid all of the noise."


Seismograph

At least 11 killed as strong shallow 6.3 magnitude earthquake hits Luzon, Philippines - UPDATES

A strong 6.3-magnitude earthquake struck the Philippines island of Luzon on Monday afternoon
© European-Mediterranean Seismological Centre
A strong 6.3-magnitude earthquake struck the Philippines island of Luzon on Monday afternoon, the US Geological Survey said.
A strong 6.3-magnitude earthquake struck the Philippines island of Luzon on Monday afternoon, the US Geological Survey said.

The quake struck at 5.11pm local time (0911 GMT) at a shallow depth of 40 kilometers (25 miles).

AFP reporters in the capital city Manila said central offices were evacuated and buildings were shaking.

There were no immediate reports of injuries or damage.

The Philippines is part of the Pacific "Ring of Fire," an arc of intense seismic activity that stretches from quake-prone Japan through Southeast Asia and across the Pacific basin.


Comment: Update 18:00 CET

RT reports that 5 people were killed:
Three people were crushed by a collapsed building in the town of Porac, according to provincial governor Lilia Pineda. Two others victims, an elderly woman and her grandchiled, were killed in a building collapse in the town of Lubao.
Update 21:00 CET

The latest report by Reuters via The Star has at least 8 now dead:
At least eight people were killed when a magnitude 6.1 earthquake struck the Philippines' main island of Luzon on Monday and officials feared dozens could be trapped in the rubble of a collapsed commercial building.

The quake hit 60 km (37 miles) northwest of the capital, Manila, disrupting air, rail and road transport and causing some damage to buildings and infrastructure.

The province of Pampanga was worst hit. Eight people were killed and about 20 injured, provincial governor Lilia Pineda said by telephone, citing information from disaster officials.

Rescuers were using heavy duty equipment and search dogs to try to reach people trapped after a four-storey building went down, crushing the ground-floor supermarket, she said. [...]

Pampanga's international airport at Clark, a former U.S. military base, was closed and scores of flights were cancelled after damage to parts of the facility including check-in areas.

Large cracks appeared on provincial roads and electricity poles were felled.

Rescue teams in Manila were preparing to reinforce efforts to reach people trapped in Pampanga. The government urged people to be calm as rumours of greater death and destruction gained traction online.

"We urge them to refrain from spreading disinformation in social media that may cause undue alarm, panic and stress," said presidential spokesman, Salvador Panelo.

In Manila, the quake, shortly after 5 p.m., caused tall buildings to sway for several minutes in the main business districts.

"We got nervous, we got dizzy. I ran downstairs with three kids," said Arlene Puno, a domestic helper in a high-rise apartment in the Makati financial centre.

Elevated rail services were halted and workers were evacuated from offices and condominiums, sending a flood of people onto sidewalks and into bus queues and adding more chaos to roads that are among the world's most congested. [...]

Mark Genesis Samodio, 23, a maintenance worker at a Makati condominium in the capital, said the quake's impact was unusual, even for a city that has grown used to them.

"I was sitting down then it shook so strong I thought I was being rocked in a cradle," he said.

Update: The New York Times reports on the 22nd of April:
A powerful earthquake shook the northern Philippines on Monday, leaving at least 11 people dead in collapsed buildings, municipal and disaster relief officials said.

The Philippine Institute of Volcanology and Seismology said the quake had registered a magnitude of 6.1 and had been centered near the town of Castillejos in Zambales Province, west of Manila. It struck shortly after 5 p.m., as government offices and private businesses were closing for the day.

In the town of Porac, northwest of Manila, five people were reported crushed to death after a wall in a four-story supermarket collapsed, RJ Mago, a spokesman for the National Disaster Risk Reduction and Management Council, told a local radio station.