She is celebrated on important seasonal days, such as the day sowing or harvesting begins, or when snow falls for the first time in a year, and prayed to when things seem to be exploding into one's face.
Despite the fact that Father is usually blamed for cataclysms, Mother still throws temper tantrums occasionally. Volcanos and geothermal activity are associated with her, as are mountains and hills.
(See also: Father, and Father and Mother.)