Figure 2From: Structural characteristics of the Bayonnaise Knoll caldera as revealed by a high-resolution seismic reflection survey Poststack time-migrated profiles of the Bayonnaise Knoll caldera (above) and its interpretation (below). The horizontal axis is common depth point (CDP) number. The CDP interval is 6.25Â m in this survey. The vertical axis shows the two-way travel time (TWT) in seconds.Back to article page