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3 sources checked · 2 source groups included · 2h ago

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Powerful 7.2-magnitude earthquake strikes off northern Japan. No tsunami warning

A powerful earthquake has struck off Japan's northern coast, but there was no danger of a tsunami, the country's meteorological agency said.

2 Left1 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of June 25, 2026 at 4:24 AM, this is how Optics News reads the wording differences in this story.

What happened A powerful earthquake has struck off Japan's northern coast, but there was no danger of a tsunami, the country's meteorological agency said.
The headline split The left frames it as "Powerful 7.2 Magnitude Earthquake Strikes Japan, No Tsunami Warning Issued". The center frames it as "Powerful 7.2-magnitude earthquake strikes off northern Japan. No tsunami warning".
Match confidence Medium confidence. 3 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

3 sources across 2 bias buckets agree on the event.

Framing confidenceMild

39/99 — small wording differences, not a major framing split.

WHAT EACH SIDE EMPHASIZED

Left / center-leftPowerful 7.2 Magnitude Earthquake Strikes Japan, No Tsunami Warning Issued

NDTV · Center-left · News report

CenterPowerful 7.2-magnitude earthquake strikes off northern Japan. No tsunami warning

KABC / ABC7 Los Angeles · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

CenterHigh
KABC / ABC7 Los AngelesNews report · Jun 25, 4:24 AM

Powerful 7.2-magnitude earthquake strikes off northern Japan. No tsunami warning

72-magnitudenorthern

A powerful earthquake has struck off Japan's northern coast, but there was no danger of a tsunami, the country's meteorological agency said.

Open source
Center-leftMostly Factual
NDTVNews report · Jun 25, 3:22 AM

Powerful 7.2 Magnitude Earthquake Strikes Japan, No Tsunami Warning Issued

magnitudeissued

A magnitude 6.9 earthquake struck northern Japan on Thursday, the country's weather agency said, adding that there was no tsunami warning.

Open source
Center-leftVery High
PBS NewsHourNews report · Jun 25, 1:56 AM

A powerful 6.9-magnitude earthquake strikes off northern Japan

There was no danger of a tsunami, the country's meteorological agency said.

Open source
Details39/99 Wording Gap · Medium confidence · 3 sources
39/99 Wording GapMedium confidence3 sources · 2 bias bucketsLive match · 3 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Jun 25, 1:56 AM: PBS NewsHour joined the source map.

Jun 25, 3:22 AM: NDTV joined the source map.

Jun 25, 4:24 AM: KABC / ABC7 Los Angeles joined the source map.

Now: Wording Gap is 39/99 and story health is live match · 3 sources · 2 buckets · comparable news format.