The after - effects of this volcanic outburst are still being felt today, as earthquakes like the 5.8
magnitude quake centered near Mineral, Va. in 2011 still rumble through the faults weakened by the volcanoes.
Not exact matches
But in 2001, a huge burst of pressure was released through Jurassic - era fault lines near the
center of the Indian plate, triggering a
magnitude 7.7
quake that took 20,000 lives.
At the U.S. Geological Survey (USGS) lab in Menlo Park, seismometers peg the
quake at
magnitude 8.1, and the tsunami detection
centers in Alaska and Hawaii begin waking up the alarm system with standby alerts all around the Pacific Rim.
The Southern California Earthquake
Center says there is a 46 percent chance that the state will see a
magnitude 7.5 or greater
quake in the next 30 years.
The
magnitude 5.1
quake was
centered near La Habra in northwestern Orange County about 21 miles (33 kilometers) east - southeast of Los Angeles, and was widely felt throughout Southern California.
Here's the «shake map» for today's 6.3 -
magnitude quake, which was
centered just six miles east of the city
center:
The 5.8 -
magnitude quake,
centered in Virginia 84 miles southwest of Washington, D.C., is a reminder of the importance of factoring in shaking in the design of buildings and important installations like nuclear power plants.