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Historical caseStructured for retrospective review and comparison against modern sightings.

Mural and "alien obelisk" near Seattle commemorating the June 21-22 1947 Maury Island UFO incident, which killed a dog and spawned the "Men in Black" mythos! [oc]

UnknownNamed sourcesJun 21, 1947, 12:00 AMSeattle

Witnesses

Unknown

Duration

Unknown

Source material

3

Timeline

3

Source context

Limited context

46

Interesting, but still missing stronger corroboration or harder source material.

Source provenance

r/UFOs

Live sighting record b9c229f3-9774-425f-b14f-3e551186a1cb.

Using the selected case's real source, media, and context throughout the workspace.

Correlations

Field Intelligence

Sunlight window

Daytime — sun above horizon

Sighting occurred during daylight hours

Solar window

Sunrise4:12 AM
Sunset8:11 PM
Day length15h 59m

Weather

Open-Meteo
ConditionsMainly clear
Temperature62°F
Cloud cover26% · Mostly clear
Wind4 mph

Area activity

Within 2 daysNo sightings within 60 mi

Extracted details

Observed facts

Occurred

Jun 21, 1947, 12:00 AM

Timezone

Pacific Time

Location

Seattle

Witness account

Narrative

On June 21, 1947, Harold Dahl was out cruising Puget Sound south of Seattle looking for logs to salvage when he saw six donut-shaped objects flying over his boat. According to Dahl, one of the objects began dumping white metal and some debris resembling lava rock which fell onto his boat, breaking a crewman's arm and killing a dog. The next day, in Dahl's story, he was approached by a man in a dark suit who warned him not to discuss the incident further with anyone, without giving any credent...

Case progression

Timeline

Encounter windowJun 21, 1947, 12:00 AM

Witnesses place the encounter near Seattle.

PublishedJun 22, 2026, 8:20 PM

r/UFOs carried the report into the source network.

Linked event

Grouped into the Maury Island Incident incident dossier.

Ledger

Source material

media

Cover image

Open

Visual reference carried with the original report.

source

Original report

Open

Direct source material from r/UFOs.

telemetry

Environmental pass

Historical atmosphere, astronomy, and nearby infrastructure were resolved for this case.