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

HW-MN0104310 – Residency

20th sighting in Iceland
Fluke of HW-MN0104310
HW-MN0104310 Confirmed in the catalog @142092
Jun 12 – Oct 21, 2026 · Iceland

Same Grey Water, Again

Shallow, familiar, full of food—why leave?

49 m
Deepest dive
2:26
Longest dive
223
Dives
Sightings
19
Days between first and last sighting
131
Deepest dive on record
49 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 12, 202656 m10.3°C47 m
Jun 13, 202635 m10.7°C31 m
Jul 17, 202628 m10.2°C23 m
Jul 18, 202634 m10.2°C20 m
Jul 19, 202617 m10.2°C15 m
Jul 24, 202619 m11.2°C17 m
Jul 26, 202621 m11.2°C13 m
Aug 10, 202677 m11.3°C43 m
Sep 8, 202646 m11.4°C36 m
Sep 11, 202656 m—45 m
Sep 15, 202618 m—16 m
Sep 18, 202622 m—16 m
Sep 27, 202632 m—18 m
Sep 28, 202622 m—19 m
Oct 7, 202650 m—46 m
Oct 7, 202640 m—32 m
Oct 11, 202619 m—14 m
Oct 12, 202655 m—49 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
Jun 12, 2026 — seafloor 56 m (measured), deepest dive 47 m (modelled)Jun 12Jun 13, 2026 — seafloor 35 m (measured), deepest dive 31 m (modelled)Jul 17, 2026 — seafloor 28 m (measured), deepest dive 23 m (modelled)Jul 18, 2026 — seafloor 34 m (measured), deepest dive 20 m (modelled)Jul 19, 2026 — seafloor 17 m (measured), deepest dive 15 m (modelled)Jul 19Jul 24, 2026 — seafloor 19 m (measured), deepest dive 17 m (modelled)Jul 26, 2026 — seafloor 21 m (measured), deepest dive 13 m (modelled)Aug 10, 2026 — seafloor 77 m (measured), deepest dive 43 m (modelled)Sep 8, 2026 — seafloor 46 m (measured), deepest dive 36 m (modelled)Sep 8Sep 11, 2026 — seafloor 56 m (measured), deepest dive 45 m (modelled)Sep 15, 2026 — seafloor 18 m (measured), deepest dive 16 m (modelled)Sep 18, 2026 — seafloor 22 m (measured), deepest dive 16 m (modelled)Sep 27, 2026 — seafloor 32 m (measured), deepest dive 18 m (modelled)Sep 27Sep 28, 2026 — seafloor 22 m (measured), deepest dive 19 m (modelled)Oct 7, 2026 — seafloor 50 m (measured), deepest dive 46 m (modelled)Oct 7, 2026 — seafloor 40 m (measured), deepest dive 32 m (modelled)Oct 11, 2026 — seafloor 19 m (measured), deepest dive 14 m (modelled)Oct 11Oct 12, 2026 — seafloor 55 m (measured), deepest dive 49 m (modelled)Oct 21, 2026 — seafloor 34 m (measured), deepest dive 24 m (modelled)

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

Dives

49 m
Deepest dive
2:26
Longest dive
223
Dives
14 m
Avg dive depth
19
Sightings
131
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (55 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.

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Place

Where this happened · Oct 12, 2026

measured
Seafloor depth
55 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 19 sightings

measured
Seafloor depth
17 m – 77 m
Sea-surface temperature
10.2°C – 11.4°C
Distance from shore
3.0 km – 22.0 km

Sources: GEBCO seafloor grid · 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).

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