Boom over the Tri-Cities - Aug 3, 2026, 3:03 PM
Monday, August 3, 2026 at 3:03 PM · 3 hours 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 →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 M1.78 earthquake 30 km away, 3h apart.
Conditions weren’t especially sound-carrying. (27°C, wind 9 km/h, 0% cloud)
afternoon on a weekday.
Waning gibbous (71% 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.
Several sets of rhythmic thumps like a piledriver. 4 sets of 5-6 and one set of 4. A few minutes between each set.
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.