BoomTracker
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Boom over the Tri-Cities - Jul 28, 2026, 5:52 PM

Tuesday, July 28, 2026 at 5:54 PM · 2 hours ago

I felt this one too
2 reports1 contributor
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Reports (numbered)Direction it came fromEarthquake (USGS)
Origin not pinned yet

We need at least two reports that note which direction it came from (ideally from different spots) before we can triangulate an origin.

Add your direction →

What it lines up with

Automatic cross-references. Suggestive, not proof.

📍Nearest known source

Richland Sub Station (substation) - about 7.5 km from the estimated origin.

🌤️Conditions

Conditions weren’t especially sound-carrying. (32°C, wind 25 km/h, 2% cloud)

🕒Timing

evening on a weekday.

🌕Moon

Full moon (100% lit).

Heard the boom and lost power?

Transformer and substation faults set off both a boom and an outage. See who else nearby is out, and when it is coming back.

isthepowerout.com

What people reported

Each number matches a dot on the map above.

1
Felt it shake · intensity 3/5
anon-5943 · Jul 28, 5:54 PM · 2 hours ago

Second one. Sounds like a pile driver.

2
Felt it shake · intensity 3/5
anon-5943 · Jul 28, 5:52 PM · 2 hours ago

What do you think it was?

Cast your vote. The data’s nearest match: substation - Richland Sub Station.

0 votes so far.

Discussion

Saw the same thing? Have a theory or evidence about what it was? Weigh in.

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