Boom over the Tri-Cities - Jun 22, 2026, 11:14 PM

Monday, June 22, 2026 at 11:11 PM · 3 hours ago

6 reports6 contributors4 gave a direction

Reports (numbered)Direction it came fromEstimated origin (source)Earthquake (USGS)

Estimated origin - interesting, not definitive

Triangulated from 4 directional reports. The red marker is our best guess at the source; the blue dots are where people were. It sharpens as more people report which way it came from.

Confidence:50% · Moderatebearings + loudness

What it lines up with

Automatic cross-references. Suggestive, not proof.

📍Nearest known sourcestrong

Thayer Drive Substation (substation) - about 0.1 km from the estimated origin.

🌤️Conditions

Conditions weren’t especially sound-carrying. (21°C, wind 8 km/h, 0% cloud)

🕒Timing

night on a weekday.

🌕Moon

First quarter (57% lit).

What people reported

Each number matches a dot on the map above.

Heard a boom · intensity 4/5 · from the E

anon-9031 · Jun 22, 11:14 PM · 3 hours ago

Heard a boom · intensity 4/5

anon-1953 · Jun 22, 11:11 PM · 3 hours ago

Heard a boom · intensity 4/5

anon-1132 · Jun 22, 11:10 PM · 3 hours ago

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

anon-5071 · Jun 22, 11:14 PM · 3 hours ago

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

anon-5429 · Jun 22, 11:11 PM · 3 hours ago

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

anon-9327 · Jun 22, 11:10 PM · 3 hours ago

What do you think it was?

Cast your vote. The data’s nearest match: substation - Thayer Drive Substation.

0 votes so far.

Discussion

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