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

Mata Hari – Residency

35th sighting in Iceland
Fluke of Mata Hari
Mata Hari Confirmed in the catalog @38812
May 5 – Jul 9, 2023 · Iceland

Iceland · May – Jul 2023

23 m
Deepest dive
1:35
Longest dive
110
Dives
Sightings
11
Days between first and last sighting
65

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 5, 202326 m7.4°C20 m
May 6, 202326 m7.5°C19 m
May 11, 202326 m7.7°C18 m
May 31, 202326 m8.3°C12 m
Jun 1, 202326 m8.5°C19 m
Jun 16, 202326 m9.8°C18 m
Jun 18, 202326 m9.9°C23 m
Jul 7, 202326 m10.3°C21 m
Jul 8, 202326 m10.4°C19 m
Jul 8, 202326 m10.4°C23 m
Jul 9, 202326 m11.4°C19 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 5, 2023 — seafloor 26 m (measured), deepest dive 20 m (modelled)May 5May 6, 2023 — seafloor 26 m (measured), deepest dive 19 m (modelled)May 6May 11, 2023 — seafloor 26 m (measured), deepest dive 18 m (modelled)May 11May 31, 2023 — seafloor 26 m (measured), deepest dive 12 m (modelled)May 31Jun 1, 2023 — seafloor 26 m (measured), deepest dive 19 m (modelled)Jun 1Jun 16, 2023 — seafloor 26 m (measured), deepest dive 18 m (modelled)Jun 16Jun 18, 2023 — seafloor 26 m (measured), deepest dive 23 m (modelled)Jun 18Jul 7, 2023 — seafloor 26 m (measured), deepest dive 21 m (modelled)Jul 7Jul 8, 2023 — seafloor 26 m (measured), deepest dive 19 m (modelled)Jul 8Jul 8, 2023 — seafloor 26 m (measured), deepest dive 23 m (modelled)Jul 8Jul 9, 2023 — seafloor 26 m (measured), deepest dive 19 m (modelled)Jul 9

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

Dives

23 m
Deepest dive
1:35
Longest dive
110
Dives
11 m
Avg dive depth
11
Sightings
65
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255023 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (26 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 18, 2023

measured
Seafloor depth
26 m
Sea-surface temperature
9.9°C
Distance from shore
13.0 km

Across the residency · 11 sightings

measured
Seafloor depth
26 m
Sea-surface temperature
7.4°C – 11.4°C
Distance from shore
13.0 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 11 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.