Megatteraccia – Residency
42nd sighting in IcelandMegatteraccia @105323
Oct 2 – 20, 2026 · Iceland
October Off Iceland
Autumn light, cold water, cliffs watching me feed in good company.
117 m
Deepest dive
3:29
Longest dive
33
Dives
- Sightings
- 3
- Days between first and last sighting
- 18
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Oct 2, 2026 | 213 m | 7.8°C | 117 m |
| Oct 17, 2026 | 149 m | 6.8°C | 99 m |
| Oct 20, 2026 | 74 m | 6.6°C | 15 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
117 m
Deepest dive
3:29
Longest dive
33
Dives
25 m
Avg dive depth
3
Sightings
18
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 (213 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 2, 2026
measured- Seafloor depth
- 213 m
- Sea-surface temperature
- 7.8°C
- Distance from shore
- 4.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 74 m – 213 m
- Sea-surface temperature
- 6.6°C – 7.8°C
- Distance from shore
- 4.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.