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Mon, 02 Aug 2021
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Earthquakes


Seismograph

Earthquake rattles Greek islands close to Turkey

Nisyros

The Greek island of Nisyros
The Athens-based Institute of Geodynamics says a 5.4-magnitude tremor occurred early Sunday in the Aegean Sea, near the small Greek island of Nisyros, west of Rhodes

A 5.4-magnitude tremor occurred early Sunday in the Aegean Sea, near the small Greek island of Nisyros, west of Rhodes, the Athens-based Institute of Geodynamics reported.

The quake's epicenter was 23 kilometers (14.3 miles) south southwest of Nisyros, a small island, round in shape with about 1,000 inhabitants and an active volcano. The tremor occurred at 7:31 a.m. local time (0431 GMT) at a depth 15.6 kilometers (9.7 miles), the institute reported.

The quake was also felt in the Turkish coastal town of Datca in Mugla province. Turkey's emergency and disaster authority AFAD gave the magnitude as 5.5. Turkish authorities have not reported any damage.

Earlier, late Saturday and early Sunday, there had been two tremors of magnitudes 4.7 and 4.1, respectively.

Since then, several aftershocks have occurred. There are no reports of injuries or damage.

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Shallow earthquake of magnitude 6.1 strikes Peru-Ecuador border region

quake
An earthquake of magnitude 6.1 struck the Peru-Ecuador border region on Friday, the GFZ German Research Center for Geosciences (GFZ) said.

The quake was at a depth of 10 km (6.21 miles), GFZ said.

Seismograph

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

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.


Seismograph

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

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.

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Shallow 6.1-magnitude earthquake hits Kermadec Islands region: USGS

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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Magnitude 6.7 earthquake hits south of the Philippine capital

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."

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Shallow 6.9 magnitude earthquake hits offshore near Panama

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.

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Strong shallow mag. 6.1 earthquake in the Bismarck Sea

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)

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Shallow M6.2 earthquake strikes south of Panama - EMSC

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

Seismograph

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

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