CTBTO
2026
Overview
Traffic
Propagation
Measured sound
Comparisons
Evidence & methods
Arrival windows
Recording intervals
Spectrogram
Spectra through time
Percentiles
Anomalies
Station
HA01
HA03
HA08
HA10
Hydrophone array
H01W
Date
2025-01-12
2025-04-14
2025-04-27
2025-06-17
2025-06-28
2025-07-15
2025-09-27
2025-10-01
2025-10-04
2025-10-17
2025-10-25
2025-12-14
2026-01-18
2026-03-26
2026-06-22
2026-07-09
2026-07-13
2026-08-12
2026-08-13
2026-08-14
2026-08-20
2026-08-25
Time interval
02:45–03:45
H01W1
H01W2
H01W3
Combined
Loading tonal data…
Context & definitions
Tonal detections
217 hydrophone intervals and 79 hydrophone array intervals.