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

Hermione – Residency

7th sighting in Iceland
Fluke of Hermione
Hermione Confirmed in the catalog @109965
May 30 – Jun 21, 2025 · Iceland

Iceland · May – Jun 2025

159 m
Deepest dive
5:46
Longest dive
95
Dives
Sightings
6
Days between first and last sighting
22
Deepest dive on record
159 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 30, 2025114 m—29 m
May 30, 2025149 m—72 m
Jun 1, 2025140 m—113 m
Jun 9, 2025179 m—159 m
Jun 11, 2025201 m—117 m
Jun 21, 2025185 m—145 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 30, 2025 — seafloor 114 m (measured), deepest dive 29 m (modelled)May 30May 30, 2025 — seafloor 149 m (measured), deepest dive 72 m (modelled)May 30Jun 1, 2025 — seafloor 140 m (measured), deepest dive 113 m (modelled)Jun 1Jun 9, 2025 — seafloor 179 m (measured), deepest dive 159 m (modelled)Jun 9Jun 11, 2025 — seafloor 201 m (measured), deepest dive 117 m (modelled)Jun 11Jun 21, 2025 — seafloor 185 m (measured), deepest dive 145 m (modelled)Jun 21

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

Dives

159 m
Deepest dive
5:46
Longest dive
95
Dives
28 m
Avg dive depth
6
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200159 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (179 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 · Jun 9, 2025

measured
Seafloor depth
179 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 6 sightings

measured
Seafloor depth
114 m – 201 m
Sea-surface temperature
—
Distance from shore
4.0 km – 11.0 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 6 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.