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CH19930618_A ·The 1993 season ·Switzerland

Gümmenen

18 June 1993·Gümmenen

Plate — one of 1 image on this record · 575×415 px every image →

Reported 18 June 1993 at Gümmenen. One archive recorded it, so nothing about it can be cross-checked.

The record

date
18 June 1993 day precision
place
Gümmenen, Switzerland no other name or place string on any source record · name from the cropcirclecenter.com name
crop
not recorded by any source
size
not recorded
recorded by
cc · cropcirclecenter.com
images
1 · 1 diagram
writing
nothing was written about this formation on any source

Where exactly

20 km
coordinate
46.945570, 7.240930
how it was got
geonames — place, to within 2,000 m, from the cc record
on a map
OpenStreetMap

No source publishes a coordinate for any formation in this archive. Every coordinate here is derived from the place name a source printed, and this page says how precise that makes it rather than rounding it away.

Images

1 image(s) on this formation's own source records. Click a tile for the full image; the bytes are fetched when you ask for them and are not stored in this page.

Diagrams (1)

sitekindcreditbasiscaptionsizefilesource page
cc diagram cropcirclecenter.com / Bertold Zugelder site default 575×415
44.9 KiB image/jpeg
image c5f98320cc09 https://www.cropcirclecenter.com/date/1993/199306.html

Date

18 June 1993, to day precision. What a source records is the day a formation was found and reported.

reported by
cc: 18 June 1993
weekday
Friday, day 169 of the year, ISO week 24, summer
sun and moon
2.9 days before the June solstice; moon waning crescent (3% lit), 14.0 days after the full moon (computed at 12:00 UTC; a reported date is a discovery date, not a creation date)

Place

What each source printed, and the coordinate derived from it. No source in this archive publishes a coordinate of its own.

coordinate
46.945570, 7.240930 — place, ±2,000 m, by geonames, from the cc record
on a map
OpenStreetMap
siteplacecountycountrygrid refwhat3wordsfix
ccBernSwitzerland 46.945570, 7.240930 place / geonames

Crop and size

crop and size not recorded by any source

Source records

What each source published, side by side. A row whose values differ across the sources is marked: the archive prints the disagreement rather than choosing a winner.

field cc cropcirclecenter.com
id / slug CH19930618_A
name Gümmenen
location
county Bern
country Switzerland
date reported 1993-06-18
date precision day
crop
size
diameter (ft)
grid reference
what3words
map link
credits cropcirclecenter.com / Bertold Zugelder
source page https://www.cropcirclecenter.com/date/1993/199306.html
link to the entity singleton
decided by none on 2026-09-11
warnings no_formation_page
record cc/5b178426a9a7c…
raw record view: /formation/cc/5b178426a9a7cfac00034ae313b8b0b73fafc35ecbb0784fd72ac4946ec334fd in the preview app

Texts

no text documents in the archive for this formation

Claims about this formation

no claim was extracted from a text about this formation

Geometry

1 diagram file(s) on this page. measured from the diagram itself, and experimental: the extractor's rotational order is right on 88.8 % of a 200-diagram hand-labelled set against a gate of 90 %, so read a number here beside the picture rather than instead of it.

diagramrotational symmetryelementsringsmirrorfill
cc c5f98320 ≈ none found 1 1 0.875 0.1198

Experimental, and marked ≈ wherever it appears. These numbers are read off a drawing, not off the field: the extractor's rotational order agrees with a hand-labelled set on 88.8 per cent of 200 diagrams against a gate of 90 per cent, its element count is within one on 97.5 per cent, and its ring count is not calibrated at all. Nothing in the analysis tree is derived from the rotational order while that gate is unmet.

Diagrams that look like these: cc c5f98320— the nearest by perceptual hash. The whole archive is browsable by shape in the shape section, and this formation's own diagrams go straight into that grid: show them in the grid.

Neighbours

In time

previous
Berry Pomeroy 17 June 1993, Berry Pomeroy
next
Wulferdingsen 20 June 1993, Wulferdingsen
previous in CH
Configon 4 February 1990
next in CH
CH19960726_A 26 July 1996
same day
no other formation is dated this day
within 7 days and 25 km
none, or this formation has no coordinate at place confidence or better

In place

The nearest formations the archive can place.

same county and year
none

Provenance

entity built at
2026-09-11T19:20:39Z (derived from the link decisions, not from this build)
index run ids
none
reviews applied
none
open queue pairs
none
entity record
index/formations/CH19930618_A.json · row in index/manifest.jsonl
input digests
entity cb61a00727f3 · images 03122f9a5d52 · texts 4f53cda18c2b · geo 06b9f66555bb