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

HW-MN0420166 – Residency

1st sighting in Hawaiian Islands
Fluke of HW-MN0420166
HW-MN0420166 Confirmed in the catalog @6071
Mar 22 – 24, 2025 · Hawaiian Islands

Hawaiian Islands · Mar 2025

68 m
Deepest dive
3:00
Longest dive
14
Dives
Sightings
2
Days between first and last sighting
2
Deepest dive on record
68 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 22, 202539 m25.1°C28 m
Mar 24, 202576 m24.9°C68 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
Mar 22, 2025 — seafloor 39 m (measured), deepest dive 28 m (modelled)Mar 22Mar 24, 2025 — seafloor 76 m (measured), deepest dive 68 m (modelled)Mar 24

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

Dives

68 m
Deepest dive
3:00
Longest dive
14
Dives
23 m
Avg dive depth
2
Sightings
2
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010068 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (76 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 · Mar 24, 2025

measured
Seafloor depth
76 m
Sea-surface temperature
24.9°C
Distance from shore
4.0 km

Across the residency · 2 sightings

measured
Seafloor depth
39 m – 76 m
Sea-surface temperature
24.9°C – 25.1°C
Distance from shore
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 2 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.