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OMG Earthquake! Thread

Sharpshooter

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RWMc1 All-Star

RWMc1

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4 minutes ago, Warhippy said:

Interesting to know that earthquake swarms are being recorded off of the coast and are turning in to cause for serious conversation among the USGS

Sometimes swarms like this precede a volcano or even a bigger earthquake. There is a large underwater volcano near the quakes and tremors. It could be a magma chamber shifting.

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6of1_halfdozenofother All-Star

6of1_halfdozenofother

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7.6 magnitude earthquake strikes southern Philippines, tsunami warning issued

 
iStock-1471675700-1024x512.jpg
Seismograph recording ground motion and earthquake activity on grid paper. iStock
   

By The Associated Press

Posted December 2, 2023 7:24 am.

Last Updated December 2, 2023 11:22 am.

 

A powerful earthquake with a preliminary magnitude of 7.6 struck Saturday off the southern Philippine coast, prompting many villagers to flee their homes in panic around midnight after Philippine authorities issued a tsunami warning.

 

The quake struck at 10:37 p.m. at a depth of 32 kilometers (20 miles), according to the U.S. Geological Survey. There were no immediate reports of major damage or casualties.

 

The Pacific Tsunami Warning Center initially said that based on the magnitude and location, it expected tsunami waves to hit the southern Philippines and parts of Indonesia, Palau and Malaysia. But the center later dropped its tsunami warning.

 

In Japan, authorities issued evacuation orders in various parts of Okinawa Prefecture, including for the entire coastal area, affecting thousands of people.

 

Teresito Bacolcol, the head of the Philippine Institute of Volcanology and Seismology, told The Associated Press his agency advised residents along the coast of southern Surigao del Sur and Davao Oriental provinces to immediately evacuate to higher ground or move farther inland.

 

Owners of boats in harbors, estuaries or shallow coastal waters off the two provinces should secure their boats and move away from the waterfront, the quake agency said in its tsunami warning. Boats already at sea should stay offshore in deep waters until further advised, it said.

 

Based on the quake’s magnitude, Bacolcol said a 1-meter (3.2-foot) tsunami may hit but the wave could be higher in enclosed coves, bays and straits.

 

Villagers were fleeing their homes to safety around midnight in Hinatuan town and outlying areas in Surigao del Sur province, according to authorities and the government’s disaster-response agency, which said that it could not immediately provide specific details.

 

Pictures posted on Hinatuan government’s Facebook account show residents fleeing to higher ground on foot or aboard cars, trucks, motorcycles and tricycle taxis at night.

 

More than three hours after the quake hit, Bacolcol said there was no report of a tsunami hitting the coast from his agency’s field offices but added authorities would continue monitoring.

 

The Philippines, one of the world’s most disaster-prone countries, is often hit by earthquakes and volcanic eruptions due to its location on the Pacific “Ring of Fire,” an arc of seismic faults around the ocean. The archipelago is also lashed by about 20 typhoons and storms each year.

 

https://vancouver.citynews.ca/2023/12/02/7-6-magnitude-earthquake-southern-philippines-tsunami-warning/

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6of1_halfdozenofother All-Star

6of1_halfdozenofother

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From the OT thread:

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Rescuers race against time in search for survivors in Japan after powerful quakes leave 73 dead

 
20240103040136-65952ac0844eec45428363afj
Firefighters search collapsed houses following earthquakes in Wajima, Ishikawa prefecture, Japan Wednesday, Jan. 3, 2024. A series of powerful earthquakes that hit western Japan left multiple people dead Wednesday, as rescue workers fought to save those feared trapped under the rubble of collapsed buildings.(Kyodo News via AP)
   

By Hiro Komae, Richard Colombo And Yuri Kageyama, The Associated Press

Posted January 2, 2024 9:24 pm.

 

Japanese rescue workers and canine units searched urgently through rubble Wednesday ahead of predicted bitter cold and heavy rain in what the prime minister called a race against time after powerful earthquakes killed at least 73 people in western Japan.

 

Ishikawa prefecture and nearby areas were shaken by a 4.9 magnitude aftershock on Wednesday — one of dozens that have followed Monday’s magnitude 7.6 temblor centered near Noto, about 300 kilometers (185 miles) from Tokyo on the opposite coast. The quake set off tsunami warnings, followed by waves measuring more than 1 meter (3 feet) in some places.

 

The first 72 hours are especially critical for rescues, experts say, because the prospects for survival greatly diminish after that.

 

“More than 40 hours have passed. This is a race against time, and I feel that we are at a critical moment,” Prime Minister Fumio Kishida told reporters. “We have received reports many people are still waiting for rescue under collapsed buildings.”

 

The narrow Noto Peninsula has added to the challenges in reaching some communities. Water, power and cellphone service were still down in some areas.

 

Naomi Gonno says she and her children got out of their house just as it came crashing down.

 

But her children were screaming “Granma,” and Gonno saw that her mother was trapped under the smashed house, with only her hand visible. She was able to squeeze her way out through a tiny space, Gonno said.

 

“I can’t believe we’re still alive,” she said. “We are living in fear.”

 

Relief officials handed out water, blankets, food and other supplies. Search dogs joined military personnel and firefighters trying to find dozens of people who are thought to be trapped, although the exact number is unclear.

 

Weather forecasts warned of heavy rain in Ishikawa, leading to worries about landslides and further damage to half-crumbled homes. Temperatures were expected to drop to around 4 C (39 F) overnight.

 

Of the deaths, 39 were counted in Wajima city, while 23 people died in Suzu, according to Ishikawa prefectural authorities. The other deaths were reported in five neighboring towns. Although there has been no official number of missing, dozens are believed trapped under collapsed buildings.

More than 300 people have been injured, at least 25 of them seriously.

 

Ishikawa Gov. Hiroshi Hase encouraged everyone to use masks, antiseptic and soap to guard against the spread of infectious diseases as evacuees shelter together. Ensuring adequate water supplies and toilets for those who were displaced is a priority, he said.

 

Nearly 33,000 people are staying at evacuation centers, and some said they were hungry and cold, unable to sleep and afraid.

 

When Monday’s quake hit, Yasuo Kobatake ran out of his house with just one sock on. The shaking threw him to the ground, and a concrete wall came crashing down, barely missing him, he said.

 

He was eating only rice balls and a few sips of water in paper cups at the elementary school where he and others were sheltering. They slept on cushions, with no blankets.

 

“It was so cold. I thought I’d freeze to death,” he said.

 

In the aftermath of the quakes and tsunami, boats lay overturned in the sea, roads were blocked by mounds of dirt, and pillars and walls lay scattered from flattened homes. A large fire turned an entire section of Wajima city into ashes.

 

Officials warned that more major quakes could follow.

 

Japan is prone to earthquakes, with many fault lines and volcanoes. A massive quake, tsunami and nuclear disaster in 2011 caused widespread damage in northeastern Japan.

 

No major problems were reported at nuclear plants after Monday’s quake. The Shika nuclear plant in Ishikawa suffered a partial electricity failure, but backup power kicked in, ensuring the critical cooling process continued.

 

Japan is an organized, conformist and relatively crime-free society where warnings are systematically relayed as a public service. Disaster experts say that’s helping save lives.

 

Takako Izumi, a disaster science professor at Tohoku University, said time is needed to figure out logistics because roads are often blocked after an earthquake, and large trucks can’t get through to deliver aid.

 

If land routes aren’t accessible, aid may have to be dropped from the sky or brought in by boat. The winter cold adds to health risks, and some people may still have not reached an evacuation center, she added.

 

“We need to accurately assess the damage first. And then a proper response can come, and what’s needed can reach the right places,” Izumi said.

 

https://vancouver.citynews.ca/2024/01/02/japan-earthquakes-death-toll/

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Gurn All-Star

Gurn

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2.7 hit Squamish/Sechelt area today:

https://earthquaketrack.com/quakes/2024-01-26-16-26-51-utc-2-7-2

 

2.7 magnitude earthquake 40 km from Sechelt, British Columbia, Canada

4 hours ago

UTC time: Friday, January 26, 2024 16:26 PM
Your time: Friday, January 26, 2024 at 8:26 a.m. PST
Magnitude Type: ml
USGS status: Reviewed by a seismologist
Reports from the public: 4 people

 

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Chickenspear All-Star

Chickenspear

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https://www.cbc.ca/news/world/taiwan-earthquake-japan-tsunami-warning-1.7161831

Major earthquake strikes off Taiwan, Japan issues tsunami alert for Okinawa islands

7.4-magnitude quake triggers tsunami, Japan's meteorological agency forecasts wave up to 3 metres

The Associated Press · Posted: Apr 02, 2024 5:39 PM PDT | Last Updated: 15 minutes ago
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6of1_halfdozenofother All-Star

6of1_halfdozenofother

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It's crushing (pun not intended) to see the devastation of buildings toppled and reports of injuries and lives lost, but I have to admit I love how this article in The Conversation starts.  And I'm guessing she won't be invited to any conferences in the prc anytime soon, given how stuck up the ccp is with characterizations of Taiwan as an independent country.

 

https://theconversation.com/taiwan-earthquake-an-earthquake-scientist-on-what-we-know-so-far-and-what-may-happen-next-227051

 

Quote

Earlier today, a major earthquake of magnitude 7.4 struck the central east coast of Taiwan, roughly 20 kilometres south of the city of Hualien.

 

Locals near the epicentre described severe to violent ground shaking during the quake – strong enough to make standing and driving a vehicle difficult. It was reportedly felt across the country, as well as in neighbouring China.

 

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