All of them measured between magnitude 4.5 and 5.5, according to the U.S. Geological Survey (USGS).
At least three strong aftershocks struck the same area later Tuesday, the USGS said.
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The USGS originally gave the magnitude as 7.3 but later corrected it to 7.2.
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The USGS recently decided to retire its Landsat 5 satellite after nearly 30 years in service.
At least 10 aftershocks followed, including two in the magnitude 5 range, the USGS reported.
ET, off the coast of Alaska was downgraded by the USGS from 7.7 to 7.5.
Don Blakeman, a USGS geophysicist, said the California quake had nothing to do with the quake that devastated Turkey.
This "is a great resource, " said Christina Aiello, a USGS scientist and Ph.
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The original earthquake on May 12 registered a magnitude 7.9, the USGS said.
It was about 89 miles (143 km) southwest of Santiago, the USGS said.
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The world's largest recorded quake took place in Chile on May 22, 1960, with a magnitude of 9.5, the USGS said.
The USGS placed the epicenter 53 miles east-southeast of Khash, 103 miles northeast of Iranshahr and 123 miles southeast of Zahedan.
The EIA was estimating discovered reserves of natural gas, while the USGS was looking at undiscovered reserves yet to be found.
Conversations between the USGS and the EIA to identify differences in their analytical approaches are underway, and are a good start.
The quake struck 90km (60 miles) south of the country's only nuclear power station in Bushehr, the US Geological Survey (USGS) says.
Monday's earthquake was about 10 kilometers (6.2 miles) deep, the USGS said.
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The EIA and the USGS were looking at two entirely different things.
The quake took place about 6 miles (10 kilometers) underground, according to the USGS -- a depth that can produce severe shaking.
Today, the updated USGS estimate for Marcellus is 84 trillion cubic feet.
Carrieann Bedwell, a USGS seismologist, said a 7.8-magnitude quake was "a large event for any area" and could be expected to cause damage in inhabited places.
Recent GOP budget proposals have suggested cuts to the USGS, FEMA, and other agencies responsible for ensuring that natural disasters do the least damage as possible.
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As the USGS report came out, the US administration was negotiating the "Sydney Declaration", a document on climate change, at the Asia-Pacific Economic Co-operation forum in Australia.
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It was a huge increase, yet on first glance, this report from the USGS seemed to contradict one released just a month earlier from the U.S. Energy Information Administration.
Nasa, USGS and the Federal Office of Management and Budget (OMB) are now seeking a long-term solution that would see Landsat-9 and all following spacecraft arrive on a predictable track.
In a 2012 update, the USGS put the mean undiscovered estimate of recoverable oil in Russia's Arctic provinces alone at 28 billion barrels, plus about 27 trillion cubic meters of gas.
William Alley served as Chief of the Office of Groundwater for the USGS for almost two decades and oversaw the USGS role in the Yucca Mountain project from 2002 to 2010.
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But a joint survey by the state-run Petrobangla corporation and the United States Geological Survey (USGS) suggests that Bangladesh's gas reserves could reach as much as sixty-one trillion cubic feet (tcf).
The quake struck at 08:02 local time (00:02 GMT) on Saturday, with the China Earthquake Administration categorising it as a 7.0 magnitude, and the US Geological Survey (USGS) reporting it as 6.6.
The North Slope natural gas hydrates make up 11.5 percent of the volume of gas within all other undiscovered, technically recoverable gas resources in the United States -- frozen or not, the USGS estimated.
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