Magnitude 4.2 quake shakes Bay Area
What you need to know about earthquakes Every year, there are about 500,000 earthquakes – 100,000 of which can be felt on the Earth’s surface. But how do earthquakes work? …
Northern
What you need to know about earthquakes Every year, there are about 500,000 earthquakes – 100,000 of which can be felt on the Earth’s surface. But how do earthquakes work? …