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

Head Banger – Residency

22nd sighting in Monterey Bay
Fluke of Head Banger
Head Banger Confirmed in the catalog @7153
Aug 8 – 10, 2019 · Monterey Bay

Monterey Bay · Aug 2019

49 m
Deepest dive
2:18
Longest dive
43
Dives
Sightings
4
Days between first and last sighting
2

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 8, 201986 m13.2°C33 m
Aug 9, 201971 m13.0°C49 m
Aug 9, 201954 m13.0°C38 m
Aug 10, 201981 m13.3°C20 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
Aug 8, 2019 — seafloor 86 m (measured), deepest dive 33 m (modelled)Aug 8Aug 9, 2019 — seafloor 71 m (measured), deepest dive 49 m (modelled)Aug 9Aug 9, 2019 — seafloor 54 m (measured), deepest dive 38 m (modelled)Aug 9Aug 10, 2019 — seafloor 81 m (measured), deepest dive 20 m (modelled)Aug 10

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

Dives

49 m
Deepest dive
2:18
Longest dive
43
Dives
18 m
Avg dive depth
4
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
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (71 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 9, 2019

measured
Seafloor depth
71 m
Sea-surface temperature
13.0°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
54 m – 86 m
Sea-surface temperature
13.0°C – 13.3°C
Distance from shore
2.0 km – 7.0 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.