Accidental Alert Warns California Of An Earthquake That Happened In 1925

An algorithmic error told Californians theyd be in for a major earthquake on Wednesday, but the earthquake had already happened in 1925.

The automatically generated report from the U.S. Geological Survey indicated that a magnitude 6.8 quake would occur in the Pacific Ocean 10 miles west of Santa Barbara.

As a frame of reference, a magnitude 6.9 earthquakein 1989 killed 63 people and caused $6 billion of damage in California.

So what gives with this quake scare?

The quake did happen, but it happened in 1925, Rafael Abreu, a geophysicist with the U.S. Geological Survey, told The Associated Press.

This should seem like good news, but the false alarm still sent shockwaves through social media. Many automated tweets, synced with the USGS alert system, were pushed out, sparking concern.

Additionally, people around the country began to scratch their heads as no one had reported feeling tremors something that most certainly would have happened in large numbers had an earthquake of that size actually come about.

Still, publications like the Los Angeles Times, which has automated emails from the USGS to aid in its coverage, ended up alerting the public about the fake quake and then had to rescind the messages.

The LA Times bot even generated an article about the fake quake:

So, how did the USGS casually send out an alert that confused even the LA Times?

Apparently false alarms are fairly common, though the AP says they rarely report quakes so big or in such populated areas.

Also, researchers from the California Institute of Technology were using new information to analyze the epicenter of the 1925 earthquake in the Santa Barbara Channel. That earthquake a real one leveled several buildings and killed many people. You can see the LA Times article from that quake below:

Even more intriguingly, the full quake report associated with Wednesdays tweet listed the date as June 29, the same date as the 1925 quake, but indicated it would happen in the year 2025. So, yeah, that USGS report was all sorts of screwed up.

Lets just hope they were wrong about any quakes in 2025 too.

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