Boom over the Tri-Cities - Jul 18, 2026, 12:34 AM

Saturday, July 18, 2026 at 12:34 AM · 3 hours ago

1 report1 contributor1 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 sourcestrong

Richland Sub Station (substation) - about 1.2 km from the estimated origin.

🌤️Conditions

Conditions weren’t especially sound-carrying. (22°C, wind 8 km/h, 0% cloud)

🕒Timing

overnight on a weekend.

🌕Moon

Waxing crescent (13% 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.

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

anon-5525 · Jul 18, 12:34 AM · 3 hours ago

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

0 votes so far.

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