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4.5 Magnitude Quake Hits LA

Orange star marks the epicenter of a quake that hit L.A. late Friday night. (Screenshot via USGS)
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An earthquake struck east of downtown Los Angeles at 11:38 p.m. According to the U.S. Geological Survey the quake hit about 2 miles southwest of South El Monte and had a preliminary magnitude of 4.5.

Initial reports have the earthquake's magnititude, which has since been revised downward twice which is not uncommon as scientists assess the data coming in from their monitors.

Seismologist Lucy Jones reported from Pasadana via Twitter:

"Still getting everything processed, but it was a pretty good jolt here in Pasadena"

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As Jones noted in her Tweet, it's the same location of the deadly 1989 Whittier Narrows quake. That temblor killed eight people and caused $360 million in damage.

The USGS is asking for people if they felt the quake, information they use to determine the range of the shaking.


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We don't want to scare you, but the Big One is coming. We don't know when, but we know it'll be at least 44 times stronger than Northridge and 11 times stronger than the Ridgcrest quakes last year. To help you get prepared, we've compiled a handy reading list