Los Angeles August 14, 2019 12:35 pm

What You Need to Know About the ShakeAlert App Changes

After the criticism, Mayor Eric Garcetti and the U.S. Geological Survey announced changes to the app, lowering the threshold, so more quakes at a lower magnitude will be detected. Mekahlo Medina reports for NBC4 News at 11 a.m. on Wednesday, August 14, 2019.

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