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It is estimated that about 30,000 earthquakes happen in California each year. However, many of these are much too small to even be noticed. Only about 15-20 earthquakes are 4.0 or higher in California annually.

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Where do the majority of the earthquakes in the US occur?

The most earthquakes occur in Alaska, followed by California.


Why does Florida have less earthquakes than California?

California has more earthquakes then Florida, because California sits along the San Andreas Fault line. ( )-improvement, actually California sits on a series of many fault lines, the San Andreas only being one of them. San Andreas runs most of the length of the coast of California and is well known because it has a hard "kink" near LA which causes more violent earthquakes when it shifts, and can actually be seen in the topography of some areas of California from overhead.These fault lines are also a part of the "ring of fire" which causes the majority of the earthquakes and volcanoes along the West Coast of N America, Japan, and many of the Island chains of the Pacific.


How many earthquakes were there ever in California?

From 1680 to Jan. 12-11, there have been 65 earthquakes. Sorry, couldn't find any for the rest of 2011 or 2012.


Why are there so many earthquakes in California and Japan?

There are fault lines in those areas, and when the earth's plates move, they cause earthquakes. There are two fault lines in San Francisco, but I do not know how much in Japan.


Why has Britain had so many earthquakes?

Most parts of the world have small earthquakes every few days, small enough not to be noticed by people in general, only by instruments. Britain is fortunate that it generally has few earthquakes that cause damage, unlike places such as Pakistan and California that have had devastating earthquakes during the last 100 years or so.