Report what you felt
Takes about 20 seconds. No account needed.
🔗You’re adding your account of an existing event. Tell us where you were and what you experienced.
1Where were you?required
Pan to where you were · 46.2520, -119.2810
2When?required
3What did you experience?requiredChoose all that apply
4How strong was it?What did it do?
Strength: 2/5 · Noticeable
5Which direction did it come from?
Tap the dial if you could tell
Directions from many people let us triangulate where it started.
6Capture itOptional but powerful
The boom’s sound is the whole mystery. A few seconds helps - and the exact timing sharpens triangulation.
đź“·
Add photos or video
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Pick what you experienced