I believe it was huge, when it hit the ground, it shook 40 plus miles!
Location
Address
Twisp, WA
Latitude
48° 22' 9.15'' N (48.369208°)
Longitude
119° 59' 39.12'' W (-119.994199°)
Elevation
-
Time and Duration
Local Date & Time
2011-12-19 05:45 PST
UT Date & Time
2011-12-19 13:45 UT
Duration
≈1.5s
Direction
Moving direction
From down right to up left
Descent Angle
305°
Moving
Facing azimuth
42.4937°
First azimuth
41.54581°
First elevation
-
Last azimuth
38.86691°
Last elevation
-
Brightness and color
Stellar Magnitude
-13
Color
red
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
It was quick, and so low. There was a loud explosive sound and the ground shook. People felt it from mazama all the way past Twisp. 30-40 miles. It was heading towards the pasayten wilderness.
