Cascade Range volcanoes at normal background levels of activity this week: https://t.co/2s08QEkqp5. During the darkest days of winter, #MountStHelens' crater gets very little sun. As a result, snow accumulates on Crater Glacier, which slowly creeps into Loowit Canyon (far left). https://t.co/g8jP0QoRkm USGS Volcanoes🌋 Earthquake Alert on Telegram by @EarthquakeAlertTelegram A @grttme project - Other backups: @Hallotme