Cascade (juggling) and thrown from closer to the middle of the pattern, causing each ball to pass under the ball previously thrown, in a reverse cascade objects are caught near the middle of the pattern and thrown from the outside, causing each ball to pass above the ball previously thrown. Thus from the juggler's perspective the left hand moves in a clockwise motion, and the right hand in a counterclockwise motion. The reverse cascade is generally considered to be more difficult to perform than the cascade, with a difficulty rating of 4 rather than 2 out of 10. The reverse cascade is,
Canadian Cascade Arc of the volcanic arc. It also has no records of historical eruptions. Nevertheless, the volcanic arc poses a threat to the surrounding region. Any volcanic hazard—ranging from landslides to eruptions—could pose a significant risk to humans and wildlife. Even though there are no historical eruptions in the Canadian Cascade Arc, eruptive activity is very likely to resume; if this were to happen, relief efforts would be quickly organized. Teams such as the Interagency Volcanic Event Notification Plan (IVENP) are prepared to notify people threatened by volcanic eruptions. The Cascade Arc was originally created by subduction of the now vanished Farallon