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

Underscore Period – Residency

5th sighting in Monterey Bay
Fluke of Underscore Period
Underscore Period Confirmed in the catalog @24771
Sep 6 – Oct 29, 2018 · Monterey Bay

Monterey Bay · Sep – Oct 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
5
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 6, 201873 m——
Sep 9, 201848 m——
Sep 22, 2018139 m——
Sep 23, 2018254 m——
Oct 29, 2018567 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
Sep 6, 2018 — seafloor 73 m (measured), deepest dive — (modelled)Sep 6Sep 9, 2018 — seafloor 48 m (measured), deepest dive — (modelled)Sep 9Sep 22, 2018 — seafloor 139 m (measured), deepest dive — (modelled)Sep 22Sep 23, 2018 — seafloor 254 m (measured), deepest dive — (modelled)Sep 23Oct 29, 2018 — seafloor 567 m (measured), deepest dive — (modelled)Oct 29

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
5
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. 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 · Oct 29, 2018

measured
Seafloor depth
567 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 5 sightings

measured
Seafloor depth
48 m – 567 m
Sea-surface temperature
—
Distance from shore
2.0 km – 16.0 km

Sources: GEBCO seafloor grid · 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.