An explosion occurred at a location identified on Wikimapia as a military firing range near Cheboksary, Russia. The post notes that observable changes at the site followed the explosion, with a linked image as supporting evidence.
Sources & corroboration1 linked
Single-source — unconfirmed.
01
NeonhandrailXprimary
“@Exilenova_plus @GeoConfirmed @UAControlMap @AndrewPerpetua The Cheboksary explosion occurred on what is listed on wikimapia as a "Military Firing Range". Some changes occurred since the explosion https://t.co/sjgVh2ed29”