Updated 11:32a.m 3-11

Santiago, Chile (CNN) --

Three strong earthquakes rocked Chile on Thursday morning, just as the country was swearing in a new president.

A 7.2-magnitude earthquake hit at 11:39 a.m. local time (9:39 a.m. ET), followed by a 6.9-magnitude quake 16 minutes later, the U.S. Geological Survey reported. A third, measured at magnitude 6.0, came 27 minutes later.
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Updated 10:52a.m 3-11

Santiago, Chile (CNN) -- Two strong earthquakes rocked Chile on Thursday morning, just as the country was swearing in a new president.

A 7.2-magnitude earthquake hit at 11:39 a.m. local time (9:39 a.m. ET), followed by a 6.9-magnitude quake 16 minutes later, the U.S. Geological Survey reported.

They were the strongest aftershocks to rattle Chile since a February 27 earthquake on the country's west coast that toppled buildings and spawned a tsunami, killing several hundred people.

The first quake on Thursday shook the ground near Libertador General Bernardo O'Higgins, near the Chilean coast, just as Chile prepared to inaugurate a new president, Sebastian Pinera.

The epicenter was about 95 miles (152 km) south-southwest of the capital, Santiago, and about 90 miles (145 km) away from Valparaiso, where Pinera was to be inaugurated. Television footage showed the inauguration proceeding without a hitch.

A second earthquake -- with an initial magnitude of 6.9 -- struck moments later. It was about 89 miles (143 km) southwest of Santiago, the USGS said.

There were no immediate reports of damage or injuries.

Rolando Santos, senior vice president and general manager of CNN Chile, said he and his colleagues felt the quake.

"I can tell you within our newsroom in Santiago, which is state of the art in terms of seismic construction, it shook for more than 45 seconds," he said.

He said that he told staffers to get under desks and that three people burst into tears.

In the last two days, people had kind of gotten used to aftershocks, but "there was no question this one got everyone's attention," he said.

Pinera, a conservative billionaire businessman, became the Chilean president about 12:15 p.m. local time, roughly 20 minutes after the second aftershock.

The Pacific Tsunami Warning Center said that "a destructive Pacific-wide tsunami is not expected" as a result of the quakes, and that there is no tsunami threat to Hawaii.

However, the center also said that "earthquakes of this size sometimes generate local tsunamis that can be destructive along coasts located within" about 62 miles (100 km) of the epicenter.

Hundreds of people were killed when the magnitude-8.8 earthquake struck Chile's west coast February 27. That quake also triggered a tsunami that toppled buildings, especially in the coastal Maule region.

Authorities this week released the names of 279 people whose bodies had been identified in the quake, but officials said the new tally does not include hundreds of unidentified victims.

The February 27 earthquake was violent enough to move the Chilean city of Concepcion at least 10 feet to the west and Santiago about 11 inches to the west-southwest, researchers said.
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An earthquake with a preliminary magnitude of 7.2 has struck south of Santiago, Chile, the United States Geological Survey reports.

We will have more details as soon as they become available.