Already feeling the pressure of a swine flu variant which is stressing their emergency and health services, Mexico received another shock on Monday, a magnitude 5.6 earthquake centered near Chilpancingo, about 130 miles southwest of Mexico City.

The death toll continues to rise in a magnitude 6.3 earthquake centered near the medieval city of L'Aquila in Italy which struck at 3:32 AM local time on Monday.

A magnitude 6.3 earthquake struck central Italy early Monday morning, seriously damaging buildings in the mountainous Abruzzo Region east of Rome. At least 16 people, four of them children, died.

California is known for its earthquakes, but anyone who looks at a map that shows the plate structure of the earth will see that the entire West Coast of the United States sites on a seam between two plates. Thus, a Seattle earthquake should surprise no one.

The subduction zone that brought us the 2004 Sumatra-Andaman earthquake and tsunami is ripe for yet another large event, despite a sequence of quakes that occurred in the Mentawai Islands area in 2007, according to a group of earthquake researchers led by scientists from the Tectonics Observatory at the California Institute of Technology (Caltech).

Indonesian authorities have lifted a tsunami warning that was issued after a strong earthquake struck off the northern region of Sulawesi island. Indonesia earthquake had a magnitude of 7.7, said the country's meteorological agency. VOA news reports about the Indonesia earthquake.

A strong aftershock has shaken southwestern Pakistan, about 12 hours after a major earthquake in the region killed at least 160 people and left many others buried under rubble.

A magnitude-5.4 earthquake shook Southern California at 11:42 a.m. today, report Cal Tech referring on Chino Hills earthquake.

The United States faces the risk of a damaging earthquake at any time, but is the country ready?

Los Angeles is rattled by a very strong earthquake one hour ago. U.S. Geological Survey says the magnitude is 5.4. All lines are busy and jammed. It's hard to get information. However, no reports of any major damages are coming from L.A.

The May 12 earthquake that rocked Sichuan Province in China was the first there in recorded history and unexpected in its magnitude. Now a team of geoscientists is looking at the potential for future earthquakes due to earthquake-induced changes in stress.