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Wed, 22 Sep 2021
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Earthquakes

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Powerful 8.2 magnitude earthquake hits off Alaska - Strongest to hit state in 56 years

Jenny Stanton
Daily Mail
Thu, 29 Jul 2021 07:03 UTC
Alaska earthquake map
© Volcano Discovery
A powerful 8.2 magnitude earthquake has struck off the coast of Alaska, triggering a tsunami warning.

The shallow quake hit 56 miles (91 kilometers) southeast of the town of Perryville, the United States Geological Survey (USGS) said, with a tsunami warning in effect for south Alaska and the Alaskan peninsula.

The US government issued a tsunami warning for Alaska's southeast, while authorities in Hawaii also issued a tsunami watch.

'Hazardous tsunami waves for this earthquake are possible within the next three hours along some coasts,' the US Tsunami Warning System said in a statement.

Perryville is a small village about 500 miles from Anchorage, Alaska's biggest city.

An emergency alert sent to people's phones read: 'The National Weather Service has issued a TSUNAMI WARNING.

'A series of powerful waves and strong currents may impact coasts near you. You are in danger. Get away from coastal waters. Move to high ground or inland now. Keep away from the coast until local officials say it is safe to return.'


Comment: No tsunami but it was the strongest felt in the state since the 1964 event described above.

And this may herald the arrival of a cluster of strong quakes elsewhere.

      Read More...
Seismograph

Shallow 6.2-magnitude earthquake strikes off Indonesia's Sulawesi island


India.com
Mon, 26 Jul 2021 08:31 UTC
graph
An earthquake of 6.2-magnitude on Richter Scale struck near Indonesia's Sulawesi island on Monday, the United States Geological Survey said. The earthquake hit offshore Sulawasi island at around 5.39 PM but there is no tsunami warning as of now, news agency AFP reported.

There were no immediate reports of damage or loss of life. The epicenter of the quake was at a depth of 10 kilometres and at 97 km west-northwest of Luwuk, according to USGS. Tremors from the strong earthquake were also felt about 200 kilometres from the epicentre at Palu.

Indonesia falls under the 'Ring of Fire' arc on the Pacific ocean that has an intense seismic activity throughout the year. Also Read - Powerful Magnitude 6.8 Earthquake Jolts Panama and Costa Rica

In 2018, a 7.5-magnitude earthquake, followed by tsunami in Palu had left more than 4,300 people dead or missing.
      Read More...
Seismograph

Shallow 6.1-magnitude earthquake hits Kermadec Islands region: USGS


Xinhua
Sat, 24 Jul 2021 10:52 UTC
quake
An earthquake with a magnitude of 6.1 jolted Kermadec Islands region on Saturday, the U.S. Geological Survey said.

The epicenter, with a depth of 11.13 km, was initially determined to be at 29.9492 degrees south latitude and 176.902 degrees west longitude.
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Seismograph

Magnitude 6.7 earthquake hits south of the Philippine capital

Neil Jerome Morales
Reuters
Sat, 24 Jul 2021 09:18 UTC
quake
An earthquake of magnitude 6.7 struck south of the Philippine capital early on Saturday, the Philippine Institute of Volcanology and Seismology said.

The agency said aftershocks were expected from the tectonic earthquake, which had a depth of 116 kilometres (72.08 miles).

Some residents in the capital region were awakened by the quake that lasted nearly a minute.

"The quake was deep so there is no tsunami," Renato Solidum, director of the Seismology agency, told DZRH radio station. "In Manila, the intensity 4.0 or 5.0 is strong but not yet destructive."
      Read More...
Seismograph

Shallow 6.9 magnitude earthquake hits offshore near Panama


Reuters
Wed, 21 Jul 2021 23:52 UTC
Panama earthquake
© EMSC
A strong earthquake struck off the southern coast of Panama on Wednesday near the border with Costa Rica, although there were no immediate reports of damage and authorities said a tsunami was not expected.

The European-Mediterranean Seismological Centre (EMSC) said the earthquake had a 6.9 magnitude and hit at a depth of 2 km (1.2 miles) about 321 km (200 miles) southeast of Costa Rica's capital, San Jose. The U.S. Geological Survey measured the quake at a 6.8 magnitude.

Quakes of that magnitude can cause severe damage.

"Regarding the earthquake we felt in almost the entire country, we report that we have no damage to public infrastructure or personal injuries," said Alexander Solis, head of Costa Rica's National Emergency Commission.

A Reuters witness said the quake was felt in San Jose.
      Read More...
Seismograph

Strong shallow mag. 6.1 earthquake in the Bismarck Sea


Volcano Discovery
Wed, 21 Jul 2021 18:15 UTC
quake
Local time at epicenter: 22 Jul 12:26 am (GMT +10)

Magnitude: 6.1

Depth: 10.0 km

Epicenter latitude / longitude: 3.39°S / 146.81°E (Bismarck Sea, Papua New Guinea)

Nearest volcano: Baluan (105 km / 65 mi)
      Read More...
Seismograph

Shallow M6.2 earthquake strikes south of Panama - EMSC


Reuters
Sat, 17 Jul 2021 21:30 UTC
earthquake graph
© Phil McCarten / Reuters
An earthquake of magnitude 6.2 struck south of Panama on Saturday, the European-Mediterranean Seismological Centre (EMSC) said.

The quake was at a depth of 10 kms, according to EMSC.

Reporting by Kanishka Singh in Bengaluru
      Read More...
Seismograph

M5.9 quake kills 5 & destroys dozens of homes in Tajikistan


Al Jazeera
Sat, 10 Jul 2021 10:11 UTC
tajikistan rasht
The magnitude 5.9 quake struck 27km (17 miles) east of Rasht district, authorities say.

At least five people have died after an earthquake struck eastern Tajikistan, according to authorities in the mountainous country.

The magnitude 5.9 quake hit 27km (17 miles) east of Rasht district on Saturday morning.

Comment: See also: Huge explosion filmed in Caspian Sea, officials speculate oil rig fire or mud volcano - UPDATE: Footage of 'new island' formed in aftermath released

      Read More...
Seismograph

M6.1 earthquake hits eastern Indonesia


Pragativadi News
Sat, 10 Jul 2021 04:51 UTC
earthquake graph
© Phil McCarten / Reuters
An earthquake with a magnitude of 6.1 on the Richter scale struck off the coast of Indonesia's Sulawesi island Saturday, said the United States Geological Survey.

As per reports, the strong quake hit 258 kilometres (160 miles) northeast of the city of Manado in North Sulawesi at a depth of 68 kilometres.

Indonesia experiences frequent quakes due to its position on the Pacific "Ring of Fire", an arc of intense seismic activity where tectonic plates collide that stretches from Japan through Southeast Asia and across the Pacific basin.

Earlier, in January, more than 100 people were killed while thousands left homeless by a 6.2-magnitude quake that struck Sulawesi.
      Read More...
Seismograph

M6.0 earthquake & dozens of aftershocks rattle northern California


RT
Fri, 09 Jul 2021 03:09 UTC
The aftermath of an earthquake is seen on California's Highway 395
© Twitter / @brettdurrant / screenshot
The aftermath of an earthquake is seen on California's Highway 395 in images shared to social media, including large boulders that landed on the road after they were dislodged by the the tremor.
A powerful 6.0 magnitude earthquake and dozens of aftershocks have struck the California-Nevada border area, triggering a rockslide in the Sierra Nevada mountain range and reports of shaking from San Francisco to Carson City.

The most powerful jolt, eventually upgraded by the US Geological Survey (USGS) to magnitude 6.0, happened at 3:49pm local time on Thursday, some 150 miles east of Sacramento. Within the next two hours, the area was rattled by over 50 aftershocks ranging between 2.5 and 4.6 on the Richter scale.

The quake was the "result of normal faulting in the shallow crust of the North America plate," USGS said, noting however that there is a small chance this was a foreshock of a larger earthquake, according to CBS Sacramento.

      Read More...
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