X30 Exposure to excessive natural heat
X31 Exposure to excessive natural cold
X32 Exposure to sunlight
X33 Victim of lightning
X34 Victim of earthquake
X35 Victim of volcanic eruption
X36 Victim of avalanche, landslide and other earth movements
X37 Victim of cataclysmic strom
X38 Victim of flood
X39 Exposure to other and unspecified forces of nature