0000m
0500m
1000m
2000m
4180m
PACIFIC
ZONE A
ZONE B
HADAL
TARGET
R/V Meridian  ·  14°N 128°E March 9, 2025 Signal Active
Deep Field Dispatch  ·  Dr. Lena Voss
THE
SIGNAL.

At four thousand metres below the Philippine Sea, a marine acoustician heard something that the ocean had no reason to say — and realized it was speaking directly to her.

0000 Depth (m)
000.0 Pressure (bar)
00 Signal Interval (s)
Hydrophone Sensitivity 0%
04:12 UTC Signal First Detected
91.000 s Pulse Interval
4,180 m Source Depth
UNKNOWN Signal Origin
PENDING Classification
Descend
Logged 04:12 UTC  ·  March 9, 2025  ·  4,180 m depth
End of Dispatch  ·  Signal Status: Unclassified