Prop Mom – Residency
15th sighting in Monterey BayProp Mom @123
Mar 29, 2026 · Monterey Bay
Monterey Bay · Mar 2026
90 m
Deepest dive
3:23
Longest dive
19
Dives
- Sightings
- 1
- Days between first and last sighting
- Same day
- Deepest dive on record
- 90 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 29, 2026 | 104 m | 13.5°C | 90 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
90 m
Deepest dive
3:23
Longest dive
19
Dives
23 m
Avg dive depth
1
Sightings
Same day
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 (104 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 29, 2026
measured- Seafloor depth
- 104 m
- Sea-surface temperature
- 13.5°C
- Distance from shore
- 16.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.