Tremor. A pulse wave at 440 Hz, originating from Mountain Pass. Recorded in a cave environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0047 — Tremor
ID#47
Rarity
MID:32%
Frequency
440 Hz
X-HI:7%
Wave Type
Pulse
X-HI:7%
Resonance
Cold
X-HI:10%
Era
1980s
X-HI:8%
Origin
Mountain Pass