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

Zorua – Residency

9th sighting in Iceland
Fluke of Zorua
Zorua Confirmed in the catalog @38367
Jul 31 – Aug 12, 2021 · Iceland

Iceland · Jul – Aug 2021

140 m
Deepest dive
4:24
Longest dive
55
Dives
Sightings
4
Days between first and last sighting
12
Deepest dive on record
140 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 2021165 m11.8°C57 m
Aug 9, 2021174 m12.1°C73 m
Aug 9, 2021149 m12.4°C136 m
Aug 12, 2021154 m11.6°C140 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
Jul 31, 2021 — seafloor 165 m (measured), deepest dive 57 m (modelled)Jul 31Aug 9, 2021 — seafloor 174 m (measured), deepest dive 73 m (modelled)Aug 9Aug 9, 2021 — seafloor 149 m (measured), deepest dive 136 m (modelled)Aug 9Aug 12, 2021 — seafloor 154 m (measured), deepest dive 140 m (modelled)Aug 12

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

Dives

140 m
Deepest dive
4:24
Longest dive
55
Dives
34 m
Avg dive depth
4
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150140 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (154 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 · Aug 12, 2021

measured
Seafloor depth
154 m
Sea-surface temperature
11.6°C
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
149 m – 174 m
Sea-surface temperature
11.6°C – 12.4°C
Distance from shore
6.0 km – 8.0 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 4 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.