Any person owning or controlling real estate or other premises who voluntarily and without compensation grants a license or privilege, or otherwise permits the designation or use of the whole or any part or parts of such real estate or premises for the purpose of emergency management activities during an actual, impending, mock or practice disaster or emergency, is, together with their successors in interest, if any, not civilly liable, except in the case of gross negligence or willful and malicious failure to guard or warn against a dangerous condition, use, structure, or activity, for causing the death of, or injury to, any person on or about such real estate or premises or for loss of, or damage to, the property of such person.