A magnitude-4.1 earthquake struck Saturday afternoon near the same area as Friday night’s magnitude-5.1 temblor in La Habra.
The quake was reported around 2:32 p.m. four miles away from La Habra and one mile from Rowland Heights, according to the United States Geological Survey.
No damage was reported as a result of the quake.
Kevin Black emailed NBC4 from Orange and said that he felt the temblor shake for at least 10 seconds.
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There have been more than140 aftershocks since the quake that struck La Habra.
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Caltech geophysicist Doug Given told NBC4 that the aftershocks are on the more active range of normal, but do nothing to prevent a larger earthquake.
"The stress that is released on faults by the moderate earthquakes like the one last night and the aftershocks that follow really don't amount to very much," Given said. "They're a very small fraction of the total stress built up in the Earth's crust and that larger stress must be released by very large earthquakes eventually."
The USGS said Southern Californians may feel aftershocks for weeks to come.
