Could the seismic signal of an underground nuclear test explosion be 'hidden' by the signal generated by a natural earthquake?

Under the terms of the Comprehensive Nuclear-Test-Ban Treaty all nuclear explosions are prohibited whether for military or peaceful purposes.

Have you ever stood in a barren desert, feeling the world fall silent, only to hear a haunting, unearthly melody rising from the dunes? This isn’t a mirage or a trick of the mind. In some of the world ...