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A powerful 7.6-magnitude earthquake struck the Caribbean Saturday evening, about 130 miles southwest of the Cayman Islands, which triggered a tsunami advisory that was later canceled. The U.S ...
The same nation was devastated in 2010 by a 7.0 magnitude earthquake but due to the event’s shallow depth and its epicenter near the capital, more than 200,000 people were reported killed ...
A magnitude 6.2 earthquake rattled a region of southwest Mexico on Sunday, the U.S. Geological Survey said. There were no immediate reports of casualties or damage. The tremor was about five miles ...
Seismic intensity scales categorize the intensity or severity of ground shaking (quaking) at a given location, such as resulting from an earthquake.They are distinguished from seismic magnitude scales, which measure the magnitude or overall strength of an earthquake, which may, or perhaps may not, cause perceptible shaking.
see 2011 Lorca earthquake: 37.699 -1.673 9 5.1 M w (USGS) Centred 50 km SW of Murcia, Spain, at a depth of 1 km. [15] May 19, 2011 20:15 Western Turkey see 2011 Kütahya earthquake: 39.137 29.074 2 5.8 M w (USGS) Centred 53 km NNW of Uşak, Turkey, at a depth of 9.1 km. [16] June 13, 2011 02:20 South Island of New Zealand see June 2011 ...
In an earthquake, damage to buildings and infrastructure is related more closely to ground motion, of which PGA is a measure, rather than the magnitude of the earthquake itself. For moderate earthquakes, PGA is a reasonably good determinant of damage; in severe earthquakes, damage is more often correlated with peak ground velocity .
The region last suffered a major earthquake in 1956, when a tremor with a magnitude of 7.7 struck to the south of the island of Amorgos, followed minutes later by a magnitude 7.2 earthquake near ...
Moderately damaging earthquakes strike between New York and Wilmington, Delaware, about twice a century, the USGS said, and smaller earthquakes are felt in the region roughly every two to three years.