HW-MN0520930 – Residency
2nd sighting in Chukotka
HW-MN0520930 @46484
Aug 10 – 11, 2025 · Chukotka
Chukotka · Aug 2025
25 m
Deepest dive
1:04
Longest dive
11
Dives
- Sightings
- 2
- Days between first and last sighting
- 1
- Deepest dive on record
- 25 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) |
|---|---|---|---|
| Aug 10, 2025 | 12 m | — | 11 m |
| Aug 11, 2025 | 55 m | — | 25 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
25 m
Deepest dive
1:04
Longest dive
11
Dives
12 m
Avg dive depth
2
Sightings
1
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 (55 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 11, 2025
measured- Seafloor depth
- 55 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 12 m – 55 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.