|<---- exceedence probability at tephra load
            POI name,            latitude,           longitude,      0.01,        0.1,        0.5,        1.0,        5.0,       10.0,       25.0,       50.0,      100.0,      190.0,      250.0,      500.0,      750.0,     1000.0, 
            Lake Van,  38.637849774435395,   42.86545579532573,     0.470,      0.287,      0.154,      0.110,      0.035,      0.017,      0.004,      0.000,      0.000,      0.000,      0.000,      0.000,      0.000,      0.000,