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

Check – Residency

39th sighting in Monterey Bay
Fluke of Check
Check Confirmed in the catalog @2
Mar 28 – May 1, 2020 · Monterey Bay

Monterey Bay · Mar – May 2020

188 m
Deepest dive
9:26
Longest dive
100
Dives
Sightings
5
Days between first and last sighting
34
Deepest dive on record
188 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 28, 202082 m13.6°C64 m
Apr 4, 2020573 m13.2°C188 m
Apr 10, 202073 m13.2°C65 m
Apr 27, 202070 m14.2°C38 m
May 1, 202072 m13.4°C54 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 28, 2020 — seafloor 82 m (measured), deepest dive 64 m (modelled)Mar 28Apr 4, 2020 — seafloor 573 m (measured), deepest dive 188 m (modelled)Apr 4Apr 10, 2020 — seafloor 73 m (measured), deepest dive 65 m (modelled)Apr 10Apr 27, 2020 — seafloor 70 m (measured), deepest dive 38 m (modelled)Apr 27May 1, 2020 — seafloor 72 m (measured), deepest dive 54 m (modelled)May 1

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

Dives

188 m
Deepest dive
9:26
Longest dive
100
Dives
24 m
Avg dive depth
5
Sightings
34
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200188 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (573 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 · Apr 4, 2020

measured
Seafloor depth
573 m
Sea-surface temperature
13.2°C
Distance from shore
14.0 km

Across the residency · 5 sightings

measured
Seafloor depth
70 m – 573 m
Sea-surface temperature
13.2°C – 14.2°C
Distance from shore
6.0 km – 14.0 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 5 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.