NEEDS REVIEW
As of September 3, 2026 at 1:38 PM, this is how Optics News reads the wording differences in this story.
What happened The U.S. Geological Survey released a new study showing the probability of a major earthquake in the San Francisco area.
The headline split The headlines are mostly aligned. The differences are small wording choices, not a major framing split.
Match confidence Developing. Only 5 sources are matched, and the source map is still narrow. Useful to watch, not enough to draw conclusions yet.
Same-event confidenceDevelopingNot enough sources yet to confirm this is the same specific event.
Framing confidenceHiddenWording-gap score not shown — same-event match is still developing.
Wording differs, but the match is too narrow to read confidently yet.
WHAT EACH SIDE EMPHASIZED
Left / center-leftNo matching source in this bucket yet.Optics keeps watching for pickup.
CenterOdds of major earthquake striking San Francisco Bay Area in next 30 years increasing, experts sayKABC / ABC7 Los Angeles · Center · News report
Right / center-rightNo matching source in this bucket yet.Optics keeps watching for pickup.
SEE THE HEADLINES
Odds of major earthquake striking San Francisco Bay Area in next 30 years increasing, experts say
The U.S. Geological Survey released a new study showing the probability of a major earthquake in the San Francisco area.
Open sourceOdds of major earthquake striking San Francisco Bay Area in next 30 years increasing, experts say
The U.S. Geological Survey released a new study showing the probability of a major earthquake in the San Francisco area.
Open sourceOdds of major earthquake striking San Francisco Bay Area in next 30 years increasing, experts say
The U.S. Geological Survey released a new study showing the probability of a major earthquake in the San Francisco area.
Open sourceOdds of major earthquake striking San Francisco Bay Area in next 30 years increasing, experts say
The U.S. Geological Survey released a new study showing the probability of a major earthquake in the San Francisco area.
Open sourceOdds of major earthquake striking San Francisco Bay Area in next 30 years increasing, experts say
The U.S. Geological Survey released a new study showing the probability of a major earthquake in the San Francisco area.
Open sourceDetailsScore hidden · 5 sources · 1 bias buckets
Score hidden until the match is cleanerLow confidence5 sources · 1 bias bucketsDeveloping · 5 sources · 1 bucketFormats: News report
SOURCE MAP CHANGES
Sep 3, 1:38 PM: KABC / ABC7 Los Angeles joined the source map.
Sep 3, 1:38 PM: WLS / ABC7 Chicago joined the source map.
Sep 3, 1:38 PM: KGO / ABC7 San Francisco joined the source map.
Sep 3, 1:38 PM: WPVI / 6abc Philadelphia joined the source map.
Now: score hidden until the source match is cleaner. Story health is developing · 5 sources · 1 bucket.