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3.5 and 3.9 magnitude quakes strike near Ontario, small aftershocks continue
Two quakes with magnitudes above 3.5 are the largest in a cluster of quakes that hit near Ontario International Airport Saturday morning.
(
Courtesy USGS
)
Two earthquakes struck near Ontario within 30 minutes on Saturday morning, with a magnitude of 3.5 and 3.9, respectively, according to the U.S. Geological Survey. They were the largest in a series of smaller quakes that continue to rattle the area.
The first quake, a 3.5, struck at around 10:05 a.m. It was followed by the 3.9, about 30 minutes later. Quakes of those magnitude produce weak shaking.
No immediate reports of injury or damage.
A shake alert message was sent.
Two quakes hit near Ontario nearly back to back Saturday morning.
(
Courtesy USGS
)
Does this mean a bigger quake is coming?
There's a roughly 5% chance that a bigger quake could strike some time in the next few days. Although seismologist have advised us it would likely be only slightly more powerful.
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This is the standard forecast for all quakes, since the question comes up frequently.
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- Your guide to surviving the Big One
- For earthquakes, forget the 'go-bag.' Here's how to prepare
- How to not get life-threatening diarrhea after a major earthquake
- 10 earthquake-related questions to ask your landlord immediately
- How to prepare for an earthquake if you have a disability
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