BART to slow trains, test earthquake early warning system

Sarina Kernberg /File

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BART passengers will experience slower train speeds for 15 minutes Monday morning because of a systemwide demonstration of the ShakeAlert earthquake early warning system, as announced in a BART press release.

At 11 a.m., BART trains are set to slow down to 27 mph. An alert to passengers will also be broadcast in trains and stations at that time, according to the press release.

The ShakeAlert system detects initial, nondamaging earthquake waves to allow BART to prepare for stronger waves that could cause damage. It was successfully deployed in early September, when trains responded to a 3.3 magnitude earthquake by coming to a stop.

According to the press release, Monday’s ShakeAlert demonstration marks the formal rollout of a revised version of the warning system.

Danielle Kaye is an assistant news editor. Contact her at [email protected] and follow her on Twitter at @danielledkaye.