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Earthquakes

Seismograph

Shallow magnitude 6.1 earthquake shakes Macquarie Island region, USGS says

Kirill Kureview
Sputnik
Fri, 08 Oct 2021 09:08 UTC
mapped

M6.1 earthquake Macquarie Island region
According to preliminary estimates, the earthquake occurred at a depth of 10 kilometers, and the epicenter was located a long way off the coast. So far, there are no reports of injuries or property damage.

A powerful 6.2-magnitude earthquake struck in the vicinity of Macquarie Island in the South West Pacific Ocean on Thursday night, the US Geological Survey reported.

As of now, there was no indication of a tsunami threat in the area.

According to Australian government agency Geoscience Australia, the depth of one of the tremors was recorded at 1 kilometer.
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Seismograph

Tokyo jolted by 6.1 quake, blackouts but no tsunami warning

Elaine Lies and Hideyuki Sano
MSN
Thu, 07 Oct 2021 16:07 UTC
quake
A strong earthquake with a preliminary magnitude of 6.1 jolted Tokyo and surrounding areas late on Thursday, stopping train lines and causing sporadic power cuts, but there were no reports of major damage, Japan's public broadcaster NHK said.

The tremor, at 10:41 p.m. (1341 GMT), registered "strong-5" on Japan's intensity scale, a level that could cause some damage to buildings and power cuts, the Japan Meteorological Agency said.

The quake had an epicenter in Chiba prefecture, to the east of the capital Tokyo. There was no danger of a tsunami from the quake, accoring to NHK.
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Seismograph

Shallow magnitude 5.9 earthquake hits southwestern Pakistan, kills at least 20


KYODO NEWS
Thu, 07 Oct 2021 10:45 UTC
QUAKE
A magnitude 5.9 earthquake struck southwestern Pakistan early Thursday, killing at least 20 people and leaving 300 others injured, according to local authorities.

The quake occurred 15 kilometers northeast of Harnai in Balochistan Province at 3:01 a.m. local time at a depth of 9 km, according to the U.S. Geological Survey. It was followed by a magnitude 4.6 quake in the same area two hours later.

The death toll is feared to rise as people are believed to have been buried under collapsed homes and other buildings. Rescue efforts are reportedly being hampered as roads have become impassable due to landslides.

The Provincial Disaster Management Authority in Balochistan said at least 300 people were brought to hospitals after the quake, including those critically injured.

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Seismograph

Krísuvík volcano (Iceland): intense seismic activity, more than 1000 quakes


Volcano Discovery
Tue, 05 Oct 2021 17:51 UTC
4.2 quake detected at 0.8 km SW of Keilir
© VolcanoDiscovery
4.2 quake detected at 0.8 km SW of Keilir
More than 1000 quakes have been detected near Keilir mountain over the past 24 hours of which one have been located with a maximum magnitude of 4.2 on 2 October.

4 quakes during the past 24 hours were recorded with magnitudes of 3 or more located about 1.3 km SW of Keilir.

Earthquakes have been occurring on the Reykjanes peninsula and in the southwest corner.

Source: RUV volcano activity update 5 October 2021
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Red Flag

Largest underwater eruption makes new volcano bigger than Empire State Building

Robert Lea
Newsweek
Fri, 01 Oct 2021 11:32 UTC
A stock photo showing lava pouring
© EVAN AUSTEN/GETTY
A stock photo showing lava pouring into the ocean at Kīlauea Volcanic eruption in Hawaii on the Big Island, unrelated to the underwater volcano. Scientists have recorded the largest underwater volcanic eruption of lava, which created a new volcano on the seafloor in the Indian Ocean.
The largest underwater eruption ever recorded has created a volcano on the seafloor that is 2,690 feet tall.

The volcano, which is twice as tall as the Empire State Building, was not present off the eastern coast of the island of Mayotte in the Indian Ocean before an earthquake shook the island 2018.

The underwater seismic event generated over 11,000 detectable earthquakes in what the authors of a Nature paper documenting it describes as a "major magmatic event." The event, which caused the deformation of the seafloor was so great it was registered beyond the Indian Ocean and around the globe.

"Volcanic eruptions shape Earth's surface and provide a window into deep Earth processes," the authors said. "This is the largest active submarine eruption ever documented."
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Seismograph

Major magnitude 7.3 earthquake in South Pacific Ocean, Vanuatu Islands region


Volcano Discovery
Sat, 02 Oct 2021 09:55 UTC
quake
Major magnitude 7.2 earthquake at 525 km depth

Date & time: Oct 2, 2021 06:29:18 UTC
Local time at epicenter: Saturday, Oct 2, 2021 6:29 pm (GMT +12)
Magnitude: 7.2
Depth: 525.0 km
Epicenter latitude / longitude: 21.06°S / 174.76°E↗

Comment: Later revised to a 7.3 magnitude by USGS.

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Fire

La Palma volcano: Third fissure erupts after 8 new earthquakes


Sky News
Fri, 01 Oct 2021 17:45 UTC
A satellite image of the lava flow on the island of La Palma taken before the eruption of a third fissure.
© Copernicus Sentinel-2 Imagery
A satellite image of the lava flow on the island of La Palma taken before the eruption of a third fissure.
An erupting volcano in the Canary Islands has blown open a third fissure - sending a fresh river of lava down the mountainside.

It came as authorities recorded eight new earthquakes up to magnitude 3.5 on the island of La Palma on Friday.

They are now waiting to see whether lava from the new fissure - which burst open around 400m to the north of original eruption site - will join the main flow from the Cumbre Vieja volcano range, which has reached the Atlantic Ocean.


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Seismograph

Earthquake swarm in Iceland continues - at least 1,100 shakes in 2 days

Trine Jonassen
Highnorthnews.com
Thu, 30 Sep 2021 14:57 UTC
About a hundred small earthquakes have been detected approximately one kilometer south of Keilir in the last 24 hours. The photo shows geometrical activity in Reykjadalur in Iceland.
© Trine Jonassen
About a hundred small earthquakes have been detected approximately one kilometer south of Keilir in the last 24 hours. The photo shows geometrical activity in Reykjadalur in Iceland.
As reported by RUV.is, a short, sharp earthquake of magnitude 3.7 was felt across the southwest of Iceland just before 02.00 thursday morning. Around 700 earthquakes have been registered around on the Reykjanes peninsula during the past day.

The largest quake's epicentre was between Keilir and Litli hrútur, according to Met Office natural hazards specialist Bjarki Kaldalón Friis. The earthquake swarm began on Monday and included 700 shakes yesterday and 400 so far today.

The 3.7 quake followed a 3.5 at around 11.00 yesterday morning, and a handful of others around 3. The quakes are occurring at a depth of 6-7 kilometres and there is no sign of volcanic unrest. Live cameras are being monitored closely and new satellite images will be analysed today. The civil protection agency scientific council will meet this afternoon to discuss Reykjanes, and also Askja in the highlands.
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Seismograph

6.1 magnitude earthquake strikes off Japan, no tsunami warning issued


NDTV
Wed, 29 Sep 2021 10:31 UTC
grpaph
A 6.1-magnitude earthquake struck off Japan's northwestern coast on Wednesday but no tsunami warning was issued, Japanese and US authorities said.

The quake produced shaking across a large swath of the northeastern coast and was also felt in Tokyo, but there were no immediate reports of damage.

The United States Geological Survey (USGS) said the quake hit at a depth of 368 kilometres (228 miles) in the Sea of Japan, known as the East Sea in Korea.

Japan's meteorological agency said there was no tsunami risk following the jolt.

Japan sits on the Pacific "Ring of Fire", an arc of intense seismic activity that stretches through Southeast Asia and across the Pacific basin.

Source: Agence France-Presse
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Seismograph

Multiple earthquakes strike Crete, damaging old buildings and killing one man

Harrison Jones
Metro UK
Mon, 27 Sep 2021 10:30 UTC
crete earthquake
At least one person has died and nine others have been injured after the Greek island of Crete was rocked by an earthquake measuring around 6.0 on the Richter scale.

The European Mediterranean Seismological Centre (EMSC) reported that the quake in the holiday destination had a depth of just 1.24 miles, and was one of a series felt by locals on Monday morning.

The largest of the quakes struck at around 9.15am local time, before at least nine aftershocks also hit the area.

Greece's climate crisis and civil protection ministry confirmed that local authorities have reported one death and nine people injured so far, following earlier reports that two people were trapped in damaged buildings.
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