Head Banger – Residency
32nd sighting in Monterey Bay
Head Banger @7153
Apr 18 – May 12, 2025 · Monterey Bay
Monterey Bay · Apr – May 2025
156 m
Deepest dive
6:44
Longest dive
94
Dives
- Sightings
- 7
- Days between first and last sighting
- 24
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Apr 18, 2025 | 55 m | 12.5°C | 49 m |
| Apr 20, 2025 | 58 m | 12.6°C | 46 m |
| Apr 20, 2025 | 62 m | 12.6°C | 53 m |
| Apr 21, 2025 | 1,598 m | 13.1°C | 117 m |
| Apr 28, 2025 | 69 m | 12.8°C | 21 m |
| May 12, 2025 | 57 m | 13.6°C | 39 m |
| May 12, 2025 | 340 m | 13.6°C | 156 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
156 m
Deepest dive
6:44
Longest dive
94
Dives
22 m
Avg dive depth
7
Sightings
24
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (340 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 12, 2025
measured- Seafloor depth
- 340 m
- Sea-surface temperature
- 13.6°C
- Distance from shore
- 8.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 55 m – 1,598 m
- Sea-surface temperature
- 12.5°C – 13.6°C
- Distance from shore
- 3.0 km – 12.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.