Boom over the Tri-Cities - Jul 11, 2026, 9:24 PM

Saturday, July 11, 2026 at 10:04 PM · 3 hours ago

2 reports2 contributors1 gave a direction

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.

What it lines up with

Automatic cross-references. Suggestive, not proof.

📍Nearest known source

Tri-Cities Airport (PSC) (airport) - about 5.4 km from the estimated origin.

🔴Seismic activity

A USGS M1.36 earthquake 13 km away, 34h apart.

🌤️Conditions

Conditions weren’t especially sound-carrying. (26°C, wind 10 km/h, 97% cloud)

🕒Timing

night on a weekend.

🌕Moon

Waning crescent (7% 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.

Each number matches a dot on the map above.

Boom + lights · intensity 3/5

anon-9031 · Jul 11, 9:24 PM · 3 hours ago

Heard a boom · intensity 2/5 · from the WNW

anon-5075 · Jul 11, 10:04 PM · 3 hours ago

Cast your vote. The data’s nearest match: airport - Tri-Cities Airport (PSC).

0 votes so far.

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