A 4.4 magnitude earthquake struck California’s South Pasadena area on Monday. According to the United States Geological Survey, the quake struck 2 miles south east of Highland Park at a depth of 7 miles. Tremors were felt in the Los Angeles area. The Los Angeles Police Department tweeted, “Significant earthquake just felt in the Los Angeles area. Reminder, please use 911 only for emergencies. Be prepared for aftershocks.”
Significant earthquake just felt in the Los Angeles area. Reminder, please use 911 only for emergencies. Be prepared for aftershocks.
— LAPD HQ (@LAPDHQ) August 12, 2024
LA County Supervisor Holly J. Mitchell confirmed that no major damage or road closures occurred as a result of the earthquake.
“Thankfully, no major damages or road closures were reported due to the earthquake. To help you stay prepared, please check out these helpful tips,” Mitchell wrote on X.
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The quake was initially reported as a 4.7 magnitude but was later revised to 4.4. The National Weather Service confirmed that a tsunami was not expected.
Earthquake expert Lucy Jones noted that the quake likely originated from the same fault system responsible for the 1987 Whittier Narrows quake.
“There have been others in the past. In 1989 we had a pair of four-and-a-half’s there were also in the system that were just a half-hour apart. There have been plenty of small ones over the years that are also within this,” Jones said, Fox 11 reported.
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“Imaging shows us several faults that stack on top of each other, none of which come to the surface. The Puente Hills thrust and Elysian Park thrust are names given to that stack,” Jones added.
Recalling the 2017 Mexico City earthquake, Jones noted a key difference, “The duration of that was just a lot longer, the whole building shook. And so it was a very noticeable difference immediately, that this one just ended much, much quicker.”