International EarthCache Day

Occurs annually on Sunday of the 2nd full week in October. In 2022, this is October 9th.

Frequency:
Sun of Wk. 2
Inception Year:
2012
Hashtags:
References:
geosociety.org/GSA/fieldexp/EarthCache/events/EarthCache_Day.aspx
twitter.com/GoGeocaching/status/653686573897089024
earthsciweek.org/focus-days

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