Boom over the Tri-Cities - Jun 20, 2026, 12:55 AM

Saturday, June 20, 2026 at 12:55 AM · 2 hours ago

4 reports4 contributors3 gave a direction

ReportsDirection it came fromEstimated originSeismic (USGS)

📍 The map thinks it came from around here

Triangulated from 3 directional reports - 43% confidence. The more people who report which way the sound came from, the sharper this gets.

What people reported

Heard a boom · intensity 3/5 · from the N

2 hours ago

Also heard one 10 mins ago

Heard a boom · intensity 3/5 · from the SSW

2 hours ago

Heard a boom · intensity 3/5 · from the S

2 hours ago

Heard a boom · intensity 3/5

2 hours ago

Around 1230am i heard the 2nd loud boom of the night (first one was around 1050pm?)

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