Piero – Residency
54th sighting in IcelandPiero @98218
May 28 – Sep 22, 2025 · Iceland
Iceland · May – Sep 2025
91 m
Deepest dive
4:01
Longest dive
95
Dives
- Sightings
- 11
- Days between first and last sighting
- 117
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 28, 2025 | 42 m | 8.8°C | 32 m |
| May 30, 2025 | 96 m | 8.4°C | 52 m |
| Jun 1, 2025 | 115 m | 8.1°C | 71 m |
| Jun 7, 2025 | 100 m | 7.5°C | 91 m |
| Jun 8, 2025 | 113 m | 7.4°C | 33 m |
| Jun 15, 2025 | 66 m | 8.4°C | 45 m |
| Jul 17, 2025 | 28 m | 10.7°C | 21 m |
| Jul 21, 2025 | 80 m | 11.9°C | 43 m |
| Jul 23, 2025 | 75 m | 10.9°C | 49 m |
| Jul 25, 2025 | 54 m | 11.0°C | 44 m |
| Sep 22, 2025 | -0 m | 8.5°C | — |
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
91 m
Deepest dive
4:01
Longest dive
95
Dives
22 m
Avg dive depth
11
Sightings
117
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 (100 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 7, 2025
measured- Seafloor depth
- 100 m
- Sea-surface temperature
- 7.5°C
- Distance from shore
- 2.0 km
Across the residency · 11 sightings
measured- Seafloor depth
- -0 m – 115 m
- Sea-surface temperature
- 7.4°C – 11.9°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 11 catalogued encounters on Happywhale.