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Magnitude 6.5 earthquake rattles Nevada - UPDATE: Largest in 66 years

Jay Croft and Carma Hassan
CNN
Fri, 15 May 2020 12:01 UTC
Screenshot of earthquake near Toponah, Nevada.
© USGS.gov
Screenshot of earthquake near Toponah, Nevada.
An earthquake with an initial magnitude of 6.4 hit Nevada on Friday morning, about 225 miles northwest of Las Vegas near the California border, the US Geological Survey says.

The quake occurred at 4:03 a.m. local time, the USGS says. It was 4.7 miles deep. At least four aftershocks were reported.It was about 35 miles west of the town of Tonopah, east of the Sierra Nevada range.

The earthquake was "widely felt," USGS spokesman Paul Laustsen told CNN."There have been almost 8,000 'Did you feel it' reports, with people logging into USGS to report it," Laustsen said.

Esmeralda County Sheriff's Deputy Jacob Stritenberger felt the main earthquake and it was the biggest one he's ever experienced, he said.Deputies are checking out reported damage on US 95."North- and southbound is undriveable around mile marker 89," Stritenberger said. "According to people who called it in, it's buckled really bad."

Comment: Comment:

Update: On 16 May CNN reports:
An earthquake with a revised magnitude of 6.5 hit a remote area of Nevada on Friday morning, about 225 miles northwest of Las Vegas and near the California border, the US Geological Survey says.

The quake, which was 4.7 miles deep, occurred at 4:03 a.m. local time, the USGS says.The revised ranking makes the quake the first large one since 1954, said Graham Kent, director of the Nevada Seismological Laboratory.

"As the third most seismic state in the nation, we kind of had a streak of not having big earthquakes for 66 years," Kent said.

"This was a magnitude 6.5, and it was certainly felt in the Reno-Tahoe area, and also throughout the San Joaquin and Sacramento valleys in California," Kent said.

The USGS said in its aftershock forecast that there will be between 63 and 260 aftershocks with a magnitude of 3.0 or greater over the next seven days.


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Seismograph

Very shallow M4.3 earthquake near Burra was South Australia's biggest in a decade


ABC Science Online
Thu, 14 May 2020 07:19 UTC
The earthquake struck at Burra, north of Adelaide
© Geoscience Australia
The earthquake struck at Burra, north of Adelaide.
An earthquake which has been felt widely across parts of South Australia is the biggest to have occurred in the state in the past decade, a seismologist says.

Geoscience Australia estimates the magnitude-4.3 earthquake happened between Burra and Clare, in the state's Mid North, at 3:23pm.

People felt shaking in Adelaide office and apartment buildings, as well as in the Adelaide Hills and Yorke Peninsula.

Geoscience Australia seismologist Hugh Glanville said it was the largest earthquake in the state for the past 10 years.

He said there were no reports of damage was so far, but it was felt from Mount Barker to Jamestown.

"It is possible for minor damage from a magnitude-4 but it's reasonably unlikely for this earthquake," he told ABC Radio Adelaide.

He said the earthquake happened at a "very shallow" depth of 3 kilometres.
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Seismograph

Scientists closely monitor underwater volcano off Hawaii after rare earthquake swarm

Keahi Tucker
Hawaii News Now
Wed, 13 May 2020 20:59 UTC
Big Island earthquake swarm
© Hawaii News Now (screen capture)
Volcanologists are keeping a close eye on their instruments after a rare earthquake swarm off the Big Island the past two days.

Twenty miles off the southeast coast of the Big Island, Hawaii's newest volcano rises 10,000 feet from the ocean floor with its summit about 3,000 feet under the surface.

When Loihi starts shaking, scientists pay attention.

"Think of it as a younger version of Kilauea or Mauna Loa volcanoes," said David Phillips, deputy scientist in charge at Hawaiian Volcano Observatory.

Phillips said there's no significant hazard at the moment, but at one point HVO recorded 14 earthquakes per hour on the Loihi Seamount.

"The peak did take place yesterday afternoon, whether it continues to subside or come back is hard to say," Phillips said.

On a seismogram, more than a hundred temblors struck in the 2- to 3-magnitude range, suggesting magma is on the move.
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Seismograph

6.6-magnitude quake hits 169 km SE of Lata, Solomon Islands


Xinhua
Wed, 13 May 2020 09:46 UTC
quake
An earthquake with a magnitude of 6.6 jolted 169 km southeast of Lata, Solomon Islands at 22:41:15 GMT on Tuesday, the U.S. Geological Survey said.

The epicenter, with a depth of 125.0 km, was initially determined to be at 12.1 degrees south latitude and 166.5 degrees east longitude.
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Seismograph

M3.3 earthquake hits Rome as city emerges from lockdown

Chris Pleasance
Daily Mail
Mon, 11 May 2020 05:03 UTC
Fonte Nuova

An earthquake of magnitude 3.3 struck Fonte Nuova, 10 miles north of the Italian capital, at 5.03am on Monday - prompting calls to fire services but no reports of injuries or damage
A mild earthquake shook Rome on Monday morning as the city tries to adjust to life following coronavirus lockdown.

The quake had a magnitude of 3.3 and struck at 5.03am with an epicentre in Fonte Nuova, a small town around 10 miles outside the capital.

Firefighters said they had received numerous inquiries from people who had been shaken awake, but no reports of damage or injuries.

Residents reported hearing a loud roaring noise for around 30 seconds just before the shaking started, sending people scrambling into the streets.

'People woke up, screams of fright were heard from our building,' a man identified only as Fayruj told Italian news site AGI.

Comment: Just two weeks ago in Rome: Sinkhole opens up at Pantheon

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Seismograph

Iranians spill into the streets after 5.1 earthquake centering on sleeping volcano hits Tehran


RT
Thu, 07 May 2020 23:37 UTC
Mount Damavand, Iran
© Global Look Press / imago stock
Mount Damavand, Iran
A 5.1 magnitude earthquake has jolted an area in northern Iran, home to a sleeping volcano, forcing panicked residents in and around Tehran to rush onto the streets despite the Covid-19 lockdown.

The quake sent ripples across Iran's north shortly after midnight local time on Friday, striking at a shallow depth of just 7 km, less than 10 km (6.2 mi) north of the city of Damavand. The city is located close to Mount Damavand, the second-highest volcano in Asia.

The dormant volcano sits some 70 km (43 mi) north-east of the Iranian capital Tehran, where locals reported moderate to severe shaking from the Friday morning tremor.

Photos and videos have emerged on social media showing residents flooding the streets in the aftermath of the quake.

Iranian emergency services said that at least two people died and 13 were injured in the ensuing chaos.
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Seismograph

6.1-magnitude earthquake hits east of Papua New Guinea

huaxia
Xinhua
Thu, 07 May 2020 12:35 UTC
earthquake graph
© Phil McCarten / Reuters
An earthquake of 6.1 magnitude jolted 186 km east of Taron, Papua New Guinea at 11:21:19 GMT on Thursday, the U.S. Geological Survey (USGS) said.

The epicenter, with a depth of 466.17 km, was initially determined to be at 4.4543 degrees south latitude and 154.7127 degrees east longitude.
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Seismograph

Powerful magnitude 6.8 earthquake shakes Indonesia


Daily Independent
Wed, 06 May 2020 16:44 UTC
quake
A powerful earthquake shook islands in eastern Indonesia on Wednesday evening, but no damage or injuries were expected.

The quake measured a preliminary magnitude 6.8 and was centered below the sea at a depth of 107 kilometers (67 miles), the U.S. Geological Survey said. It was located 205 kilometers (128 miles) northwest of the nearest city, Saumlaki, it said.

The earthquake triggered moderate shaking and was unlikely to cause injuries or economic losses, USGS said.

Indonesia, a vast archipelago of 260 million people, is frequently struck by earthquakes, volcanic eruptions and tsunamis because of its location on the "Ring of Fire," an arc of volcanoes and fault lines in the Pacific Basin.

Source: AP
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Seismograph

Strong mag. 6.0 earthquake - Northwest of Ryukyu Islands, Japan


Volcano Discovery
Sun, 03 May 2020 13:02 UTC
Strong mag. 6.0 earthquake - Northwest of Ryukyu Islands, Japan
Date & time: Sunday, 3 May 2020 11:54 UTC
Magnitude: 6.0
Depth: 10.0 km
Epicenter latitude / longitude: 31.33°N / 128.77°E (Japan)
Nearest volcano: Kuroshima (128 km)
Primary data source: GFZ
Estimated released energy: 6.3*10^13 J (17.5 GWh / 15080 tons of TNT / 0.9 atomic bombs equivalent) [learn more]
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Seismograph

Earthquake of 5.5 magnitude rattles Puerto Rico, damages buildings

Artemis Moshtaghian and Jay Croft
CNN
Sat, 02 May 2020 14:51 UTC
Rubble litters a street in Puerto Rico after Saturday's temblor.

Rubble litters a street in Puerto Rico after Saturday's temblor.

A 5.5-magnitude earthquake was recorded off the waters of southern Puerto Rico early Saturday, rattling the city of Ponce, according to the US Geological Survey.

Other earthquakes ranging from 3.4 to 4.9 on the Richter scale have hit the same area.

No tsunami advisory has been issued.

Ponce Mayor Maria "Mayita" Melendez said several buildings were damaged.

Officials are assessing the quake's effects and checking on citizens, she said.

The Electric Energy Authority tweeted that its EcoElectrica power plant was offline, but crews were working to restore service. It was not clear how many residents had lost power.

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