Iran's seismological centre in Bushehr province, linked to Tehran University, registered the quake at a magnitude of 6.1.
While others might quake at the sight of Springboks running headlong in their direction, Byrne relishes the responsibility of his position.
The U.S. Geological Survey initially put the largest quake at 6.8 magnitude, later upgrading it to a 6.9, and the other two at magnitudes 4.8 and 4.6.
The magnitude-4.8 quake struck at a depth of 15.5km (9.6 miles) 35km north of the city of Lucca, officials said.
Italy's National Institute of Geophysics and Volcanology (INGV) said the quake struck at 15:48 (14:48 GMT), with its epicentre in Garfagnana.
Iran's Fars news agency said the quake measured at 6.1 magnitude.
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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.
Seismologists said the quake struck at 16:22 (11:52 GMT) at a depth of 10km (6.2 miles) near the town of Kaki, south of Bushehr - a Gulf port city that is home to Iran's first and only nuclear power plant.
Microsoft employees quake all year at the prospect of their annual meetings with Bill Gates, where even being shouted at would not hurt as much as seeming to be an idiot.
At the Taipei office of The Wall Street Journal, the quake was felt for at least 15 seconds, shaking the ceiling violently enough that it squeaked.
Mourners placed yellow and white silk flowers at a quake memorial, sang the national anthem and a white jade carving of a clock that stopped at 2:28, when the temblor hit, with the date underneath, according to the state-run Xinhua news agency.
Haitian officials say the death toll in the quake has risen to at least 75, 000.
Authorities say it is unlikely the quake, which occurred at 9:43 a.m.
Because the area is remote and communications have been cut, it could be some time before there are full reports of damage or casualties at the quake's epicenter.
Solar stocks made a nice move Monday, propelled higher by a steady stream of alarming news about radiation leaks and explosions at various quake-damaged nuclear facilities in Japan.
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Buildings damaged by Wednesday's quake, which struck at about 1854 GMT and was the strongest to hit the state for 52 years, included the headquarters of coffee firm Starbucks.
The quake off Sumatra happened at around 0800 local time, causing a giant rupture in the sea bed, which set a huge body of water moving at a speed of up to 700kph.
In Japan, engineers must adhere to strict construction codes aimed at making structures quake-resistant.
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On Tuesday, a magnitude 8.0 quake-triggered tsunami killed at least 111 people in the Samoan islands and Tonga.
The quake reportedly rocked the area at 18:10 local time.
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Australian outfit No Anchor understand how to make sinister noise-rock that sounds great: Their 2011 album, Real Pain Supernova, includes slabs of distorted bass notes that rumble and quake, sludgy riffs played at a crawling pace, shrieks of feedback that shoot skyward, and harrowing vocals punctuated with shrill wailing.
Since the primary waves travel more quickly than the comparatively sluggish secondary waves, the system picks up on the magnitude and speed at which the quake is approaching, and beams the data over fiber optic networks to emergency relay stations setup in corporate towers, governmental buildings, hospitals, and transportation venues such as railways.
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Two years ago a massive quake-triggered tsunami caused meltdowns at the plant.
The massive quake knocked out cooling systems to reactors at the country's Fukushima nuclear plant.
Mr. Edano said another reactor in the same complex, one that was not operating at the time of the quake, was on fire Tuesday morning.
Quake must outrace rivals doing similar work at dozens of university labs, as well as such firms as Caliper Technologies, that are pursuing different lab-on-a-chip technologies.
Most streets are now passable, and in Leogane - the town at the epicentre of the quake which has much flatter and more accessible geography than the capital - about 80% of the debris has been removed from the downtown area.
Electricity shortages are a serious problem, due to the ongoing crisis at the Fukushima plant damaged by the quake and tsunami.
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