Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Iceland

HW-MN0103821 – Residency

25th sighting in Iceland
Fluke of HW-MN0103821
HW-MN0103821 Confirmed in the catalog @124077
Apr 11 – Jun 24, 2026 · Iceland

Cold Water, Good Company

Lenses found me over and over in that green shallow water this spring.

128 m
Deepest dive
5:07
Longest dive
280
Dives
Sightings
19
Days between first and last sighting
74
Deepest dive on record
128 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Apr 11, 202692 m2.8°C19 m
Apr 12, 202626 m3.3°C18 m
Apr 13, 202693 m3.4°C39 m
May 2, 202668 m4.0°C52 m
May 2, 202673 m4.1°C43 m
May 11, 202632 m4.9°C29 m
May 17, 202655 m5.9°C41 m
May 18, 202659 m5.9°C46 m
May 20, 202639 m6.0°C35 m
May 22, 202658 m6.4°C53 m
May 23, 20269 m6.7°C8 m
May 24, 202623 m6.8°C19 m
May 25, 202650 m7.0°C44 m
May 25, 2026149 m7.0°C125 m
May 27, 202639 m7.0°C23 m
May 31, 2026120 m6.5°C57 m
Jun 1, 2026149 m6.9°C128 m
Jun 1, 202693 m6.9°C41 m

Seafloor and sea temperature measured · ✳ dives modelled ·

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Apr 11, 2026 — seafloor 92 m (measured), deepest dive 19 m (modelled)Apr 11Apr 12, 2026 — seafloor 26 m (measured), deepest dive 18 m (modelled)Apr 13, 2026 — seafloor 93 m (measured), deepest dive 39 m (modelled)May 2, 2026 — seafloor 68 m (measured), deepest dive 52 m (modelled)May 2, 2026 — seafloor 73 m (measured), deepest dive 43 m (modelled)May 2May 11, 2026 — seafloor 32 m (measured), deepest dive 29 m (modelled)May 17, 2026 — seafloor 55 m (measured), deepest dive 41 m (modelled)May 18, 2026 — seafloor 59 m (measured), deepest dive 46 m (modelled)May 20, 2026 — seafloor 39 m (measured), deepest dive 35 m (modelled)May 20May 22, 2026 — seafloor 58 m (measured), deepest dive 53 m (modelled)May 23, 2026 — seafloor 9 m (measured), deepest dive 8 m (modelled)May 24, 2026 — seafloor 23 m (measured), deepest dive 19 m (modelled)May 25, 2026 — seafloor 50 m (measured), deepest dive 44 m (modelled)May 25May 25, 2026 — seafloor 149 m (measured), deepest dive 125 m (modelled)May 27, 2026 — seafloor 39 m (measured), deepest dive 23 m (modelled)May 31, 2026 — seafloor 120 m (measured), deepest dive 57 m (modelled)Jun 1, 2026 — seafloor 149 m (measured), deepest dive 128 m (modelled)Jun 1Jun 1, 2026 — seafloor 93 m (measured), deepest dive 41 m (modelled)Jun 24, 2026 — seafloor 107 m (measured), deepest dive 72 m (modelled)

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

128 m
Deepest dive
5:07
Longest dive
280
Dives
19 m
Avg dive depth
19
Sightings
74
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150128 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (149 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Jun 1, 2026

measured
Seafloor depth
149 m
Sea-surface temperature
6.9°C
Distance from shore
6.0 km

Across the residency · 19 sightings

measured
Seafloor depth
9 m – 149 m
Sea-surface temperature
2.8°C – 8.4°C
Distance from shore
1.0 km – 6.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 19 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.