Northern Alaska  50km w of mt salisbury 69 83' n, 146 27' w june 28, 1992	Alaska  lake beverly and nerka 59 71' n, 158 7' w aug 6, 1992	Alaska 25 mi ne of graling 63 04' n, 159 w	Alaska aug 6, 1992	Albania, Vlore City 40 48' n, 19 63' e june 4, 1991	Algeria 22 19' n, 2 07' e nov 25, 1991
Algeria 200km w of bilhirane 29 70' n, 6 77' e dec, 13 1991	Angola northeastern lunda norte region 8 95' s, 20 40' e dec 16, 1990	Antartic Peninsula on the larson ice shelf 67 34' s, 66 75' march 18, 1990	Central Arizona 75km e of phoenix near ray mine 33 01' n, 111 25' w june 15, 1991	Bolivia 50 km n of trinidad 13 99' s, 64 50' w june 22, 1992	Brazil 100 km sw of macauda 11 44' s, 51 86' w july 16, 1992
Northern Brazil near maraa amazonas 1 41' s, 65 52' w june 20, 1990	Southern Brazil southern goias 100km w of jatai 18 04's, 52 82' w aug 17, 1992	Canada  near squaw rapids dam north of saskatchewan 53 95' n, 103 05' w june 17, 1992	China guang dong 150km w of uang zhou 22o05 n, 112o75 e dec 24, 1990	China  qing hai near qabqa 36 87' n, 100 54' e sept 5, 1992	Colombia northeastern invichadla 4 39' n, 69 38' w feb 27, 1990
Indonesia celebes coastal region 53 n, 122 57' e jan 10, 1991	Central Iran near afahan 33 76' n, 52 57' e sept 10, 1990	Iran near maku 38 92' n, 45 52' e aug 27, 1990	Southeastern Iran near zahedan 29 50' n, 60 39' e july 11, 1992	Central Kazakhstan near derzhavinsk 50 54' n, 65 39' e april 26, 1991	Longisland New York 40 69' n, 73 44' w may 2, 1993
Mexico amecameca nw of opocatepetl volcano may 24, 1991	Mexico amecamecan w of opocatepetl volcano may 24, 1991	Mexico michoacan lago de cuitezeoa cambaro 20 03' 50" n, 100 51' 45" w may 25, 1992	Mexico western coahuila 26 85' n, 102 65' w july 28, 1993	Mongolia inner china 3000km n of beijing 43 37' n, 115 86' e aug 11, 1991	N Dakota 8 22' 40" n 103 09' 20" w june 19, 1991
Niger River Delta near warri 5 85' n,5 43' e dec 24, 1991	NY long island may 2, 1993	Mt Mcloughlin Oregon upper klamath lake 122 09' 4" w,  42 33' 51" n may 31, 1992	Quebec lacstpierre 46 27' n, 73 01' w aug 28, 1990	Central Russia near yeniseysk city 57 79' n, 94 78' e apr 3, 1991	Russia near balagansk 53 31' n, 103 85' e aug 21, 1990
Southeastern Russia near vaninoon the tatar straight 49 97' n, 139 86' e july 5, 1990	Southern Russia siberia near balagansk 54 23' n, 103 81' e aug 21, 1990	San Fransisco 37 77' n, 122 47' w jan, 27 1990	San Fransisco jan 27, 1990	Saudi Arabia 75km nw of riyadh 25 74' n, 46 46' e aug 14, 1990	Saudi Arabia near jeddah 21 25' n, 39 26' e jan 9, 1991

created by jeff, 10/2000