On night shift of August 22, 2024 a ground failure was discovered by NGM shifter on the MXD ramp. The dimensions of the failure: 15 ft. w x 12 ft. t x 6 ft. deep and started at the sill and did not quite reach the spring line. A cross-shift blast in the MXD 2853 West induced the failure. The ramp was barricaded and closed down.