Boom over the Tri-Cities - Jul 31, 2026, 11:13 AM
Friday, July 31, 2026 at 11:17 AM · 2 months ago
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 →Collecting reports
Reports are still coming in. We compare every boom against seismic records, 911 dispatch activity, weather and known local sources. If we can pin down what it was, this is where it will appear.
More reports make this far more likely, especially from different directions.
What it lines up with
Automatic cross-references. Suggestive, not proof.
Richland Sub Station (substation) - about 7.5 km from the estimated origin.
A USGS M1.46 earthquake 88 km away, 45h apart.
Conditions weren’t especially sound-carrying. (29°C, wind 5 km/h, 0% cloud)
morning on a weekend.
Waning gibbous (95% lit).
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.comWhat people reported
Each number matches a dot on the map above.
Seems to be happening at regular intervals. 3 so far I. The last few minutes. Just hear#4. It was the loudest. Scared me a bit.
Sounds like a piledriver
What do you think it was?
Cast your vote. The data’s nearest match: substation - Richland Sub Station.
Discussion
Saw the same thing? Have a theory or evidence about what it was? Weigh in.