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Iceland

Uma – Residency

15th sighting in Iceland
Fluke of Uma
Uma Confirmed in the catalog @140062
May 2 – 18, 2026 · Iceland

Cold Water, Well Known

Spring feeding, and my flukes gave me away constantly this month.

47 m
Deepest dive
1:53
Longest dive
78
Dives
Sightings
9
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 2, 202673 m4.1°C33 m
May 2, 202668 m4.0°C47 m
May 10, 202644 m4.3°C35 m
May 11, 202632 m4.9°C26 m
May 13, 202663 m5.1°C25 m
May 15, 202620 m5.7°C18 m
May 16, 202631 m5.8°C29 m
May 17, 202645 m5.8°C9 m
May 18, 202658 m5.9°C38 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
May 2, 2026 — seafloor 73 m (measured), deepest dive 33 m (modelled)May 2May 2, 2026 — seafloor 68 m (measured), deepest dive 47 m (modelled)May 2May 10, 2026 — seafloor 44 m (measured), deepest dive 35 m (modelled)May 10May 11, 2026 — seafloor 32 m (measured), deepest dive 26 m (modelled)May 11May 13, 2026 — seafloor 63 m (measured), deepest dive 25 m (modelled)May 13May 15, 2026 — seafloor 20 m (measured), deepest dive 18 m (modelled)May 15May 16, 2026 — seafloor 31 m (measured), deepest dive 29 m (modelled)May 16May 17, 2026 — seafloor 45 m (measured), deepest dive 9 m (modelled)May 17May 18, 2026 — seafloor 58 m (measured), deepest dive 38 m (modelled)May 18

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

Dives

47 m
Deepest dive
1:53
Longest dive
78
Dives
15 m
Avg dive depth
9
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (68 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 · May 2, 2026

measured
Seafloor depth
68 m
Sea-surface temperature
4.0°C
Distance from shore
1.0 km

Across the residency · 9 sightings

measured
Seafloor depth
20 m – 73 m
Sea-surface temperature
4.0°C – 5.9°C
Distance from shore
1.0 km – 4.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 9 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.