Crack. A granular wave at 20 Hz, originating from Deep Ocean. Recorded in a corridor environment, era: 1940s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3192 — Crack
ID#3192
Rarity
X-HI:10%
Frequency
20 Hz
EX:4%
Wave Type
Granular
EX:3%
Resonance
Brittle
X-HI:6%
Era
1940s
EX:4%
Origin
Deep Ocean