1958-1959
compiled by Wm. Robert Johnston
last updated 12 June 2005
| nation | test name | date (GMT) | time (GMT) | latitude | longitude | HOB (m) | test type | site | yield (kt) | device | device type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| USSR | 04Jan58 | ~50 N | ~ 78 E | 400 | A | KS | 1.3 | ||||
| USSR | 17Jan58 | ~50 N | ~ 78 E | 500 | A | KS | 0.5 | ||||
| USSR | 23Feb58 | ~73.8 N | ~ 55.0 E | 2500 | A | NZN | 860 | TN | |||
| USSR | 27Feb58 | 0759 | ~73.8 N | ~ 55.0 E | 2500 | A | NZN | 250 | TN? | ||
| USSR | 27Feb58 | 1024 | ~73.8 N | ~ 55.0 E | A | NZN | 1500 | TN | |||
| USSR | 13Mar58 | ~50 N | ~ 78 E | 475 | A | KS | 1.2 | ||||
| USSR | 14Mar58 | ~50 N | ~ 78 E | 1030 | A | KS | 35 | ||||
| USSR | 14Mar58 | ~73.8 N | ~ 55.0 E | A | NZN | 40 | |||||
| USSR | 15Mar58 | ~50 N | ~ 78 E | 965 | A | KS | 14 | ||||
| USSR | 18Mar58 | ~50 N | ~ 78 E | 290 | A | KS | 0.16 | ||||
| USSR | 20Mar58 | ~50 N | ~ 78 E | 1015 | A | KS | 12 | ||||
| USSR | 21Mar58 | ~73.8 N | ~ 55.0 E | 2500 | A | NZN | 650 | ||||
| USSR | 22Mar58 | ~50 N | ~ 78 E | 1415 | A | KS | 18 | ||||
| USA | HARDTACK I-Yucca | 28Apr58 | 0240 | 12.62 N | 163.02 E | 26000 | AB | PO | 1.7 | W-25 | IP? |
| UK | Grapple Y | 28Apr58 | 1905 | ~ 2. N | ~157. W | 2350 | AD | CH | 2000 | TN | |
| USA | HARDTACK I-Cactus | 05May58 | 1815 | 11.555 N | 162.354 E | 0 | AS | EN | 18 | ||
| USA | HARDTACK I-Fir | 11May58 | 1750 | 11.69 N | 165.27 E | 0 | AW | BK | 1360 | 6 | |
| USA | HARDTACK I-Butternut | 11May58 | 1815 | 11.485 N | 162.351 E | 0 | AW | EN | 81 | TX-46 primary? | PR? |
| USA | HARDTACK I-Koa | 12May58 | 1830 | 11.673 N | 162.206 E | 1 | AS | EN | 1370 | XW-35 | 55 |
| USA | HARDTACK I-Wahoo | 16May58 | 0130:00.5 | 11.3447 N | 162.1789 E | -150 | WD | EN | 9 | W34/Mk7? | IF |
| USA | HARDTACK I-Holly | 20May58 | 1830 | 11.543 N | 162.356 E | 0 | AW | EN | 5.9 | W31-Y3 | BF |
| USA | HARDTACK I-Nutmeg | 21May58 | 2120 | 11.50 N | 165.36 E | 0 | AW | BK | 25.1 | XW-47 | |
| USA | HARDTACK I-Yellowwood | 26May58 | 0200 | 11.658 N | 162.225 E | 0 | AW | EN | 330 | TX-46 | FZ |
| USA | HARDTACK I-Magnolia | 26May58 | 1800 | 11.542 N | 162.354 E | 0 | AW | EN | 57 | ||
| USA | HARDTACK I-Tobacco | 30May58 | 0215 | 11.661 N | 162.230 E | 0 | AW | EN | 11.6 | XW-50 | FZ |
| USA | HARDTACK I-Sycamore | 31May58 | 0300 | 11.69 N | 165.27 E | 0 | AW | BK | 92 | TX-41 | FZ |
| USA | HARDTACK I-Rose | 02Jun58 | 1845 | 11.485 N | 162.351 E | 0 | AW | EN | 15 | XW-49 primary? | FZ |
| USA | HARDTACK I-Umbrella | 08Jun58 | 1815:00.2 | 11.3808 N | 162.2192 E | -55 | WB | EN | 8 | W34 | IF |
| USA | HARDTACK I-Maple | 10Jun58 | 1730 | 11.69 N | 165.41 E | 0 | AW | BK | 213 | 89 | |
| USA | HARDTACK I-Aspen | 14Jun58 | 1730 | 11.69 N | 165.27 E | 0 | AW | BK | 319 | XW-47? | 50 |
| USA | HARDTACK I-Walnut | 14Jun58 | 1830 | 11.658 N | 162.225 E | 0 | AW | EN | 1450 | TN | |
| USA | HARDTACK I-Linden | 18Jun58 | 0300 | 11.543 N | 162.356 E | 0 | AW | EN | 11 | XW-50 primary? | PR? |
| USA | HARDTACK I-Redwood | 27Jun58 | 1730 | 11.69 N | 165.41 E | 0 | AW | BK | 412 | XW-47? | 60 |
| USA | HARDTACK I-Elder | 27Jun58 | 1830 | 11.661 N | 162.230 E | 0 | AW | EN | 880 | TX-43? | 50 |
| USA | HARDTACK I-Oak | 28Jun58 | 1930 | 11.606 N | 162.108 E | 0 | AW | EN | 8900 | TX-46? | 56? |
| USA | HARDTACK I-Hickory | 29Jun58 | 0000 | 11.50 N | 165.36 E | 0 | AW | BK | 14 | XW-47 primary? | PR |
| USA | HARDTACK I-Sequoia | 01Jul58 | 1830 | 11.543 N | 162.356 E | 0 | AW | EN | 5.2 | PR | |
| USA | HARDTACK I-Cedar | 02Jul58 | 1730 | 11.69 N | 165.27 E | 0 | AW | BK | 220 | 15 | |
| USA | HARDTACK I-Dogwood | 05Jul58 | 1830 | 11.661 N | 162.230 E | 0 | AW | EN | 397 | XW-47? | 60 |
| USA | HARDTACK I-Poplar | 12Jul58 | 0330 | 11.69 N | 165.27 E | 0 | AW | BK | 9300 | TX-41 | 5 |
| USA | HARDTACK I-Scaevola | 14Jul58 | 0400 | 11.545 N | 162.360 E | 0 | AW | EN | 0 | XW-34 | |
| USA | HARDTACK I-Pisonia | 17Jul58 | 2300 | 11.547 N | 162.327 E | 0 | AW | EN | 255 | XW-50? | 50 |
| USA | HARDTACK I-Juniper | 22Jul58 | 0420 | 11.50 N | 165.36 E | 0 | AW | BK | 65 | XW-47 primary? | PR? |
| USA | HARDTACK I-Olive | 22Jul58 | 2030 | 11.661 N | 162.230 E | 0 | AW | EN | 202 | ||
| USA | HARDTACK I-Pine | 26Jul58 | 2030 | 11.654 N | 162.219 E | 0 | AW | EN | 2000 | TX-41 | 10 |
| USA | HARDTACK I-Teak | 01Aug58 | 0950 | ~16.72 N | ~169.55 W | 76800 | AR | JO | 3800 | W39 | 50 |
| USA | HARDTACK I-Quince | 06Aug58 | 0215 | 11.549 N | 162.359 E | 0 | AS | EN | 0 | XW-51? | FZ |
| USA | HARDTACK I-Orange | 12Aug58 | 0930 | ~16.35 N | ~169.55 W | 43000 | AR | JO | 3800 | W39 | 50 |
| USA | HARDTACK I-Fig | 18Aug58 | 0400 | 11.549 N | 162.359 E | 0 | AS | EN | 0.022 | XW-51? | |
| UK | GRAPPLE Z-Pennant 2 | 22Aug58 | 1800 | ~ 2. N | ~157. W | 450 | AB | CH | ~35 | PR | |
| USA | Argus I | 27Aug58 | 0200 | 38.7 S | 11.9 W | 490000 | AR | AS | 1.5 | W-25 | IP? |
| USA | Argus II | 30Aug58 | 0310 | 49.4 S | 8.7 W | 490000 | AR | AS | 1.5 | W-25 | IP? |
| UK | GRAPPLE Z-Flagpole 1 | 02Sep58 | 1724 | ~ 2. N | ~157. W | 2850 | AD | CH | ~2750 | TN | |
| USA | Argus III | 06Sep58 | 2205 | 49.5 S | 10.4 W | 490000 | AR | AS | 1.5 | W-25 | IP? |
| UK | GRAPPLE Z-Halliard 1 | 11Sep58 | 1749 | ~ 2. N | ~157. W | 2650 | AD | CH | ~2750 | TN | |
| USA | HARDTACK II-Eddy | 19Sep58 | 1400 | ~37.1 N | 116.0 W | 150 | AB | NV | 0.083 | W-47? | |
| UK | GRAPPLE Z-Burgee 2 | 23Sep58 | 1800 | ~ 2. N | ~157. W | 450 | AB | CH | ~35 | ||
| USA | HARDTACK II-Mora | 29Sep58 | 1405 | ~37.1 N | 116.0 W | 460 | AB | NV | 2 | FZ | |
| USSR | 30Sep58 | 0750 | ~73.8 N | ~ 55.0 E | 1500 | A | NZN | 1200 | TN? | ||
| USSR | 30Sep58 | 0955 | ~73.8 N | ~ 55.0 E | 2500 | A | NZN | 900 | |||
| USSR | 02Oct58 | 0800 | ~73.8 N | ~ 55.0 E | 1400 | A | NZN | 290 | |||
| USSR | 02Oct58 | 0901 | ~73.8 N | ~ 55.0 E | A | NZN | 40 | ||||
| USSR | 04Oct58 | ~73.8 N | ~ 55.0 E | 800 | A | NZN | 9 | ||||
| USSR | 05Oct58 | 0600 | ~73.8 N | ~ 55.0 E | 1200 | A | NZN | 15 | |||
| USA | HARDTACK II-Hidalgo | 05Oct58 | 1410 | ~37.1 N | 116.0 W | 115 | AB | NV | 0.0055 | ||
| USSR | 06Oct58 | ~73.8 N | ~ 55.0 E | 1200 | A | NZN | 5.5 | ||||
| USSR | 10Oct58 | 0751 | ~73.8 N | ~ 55.0 E | A | NZN | 68 | ||||
| USA | HARDTACK II-Quay | 10Oct58 | 1430 | ~37.1 N | 116.0 W | 30 | AT | NV | 0.079 | XW-50 primary? | PR? |
| USSR | 12Oct58 | 0753 | ~73.8 N | ~ 55.0 E | A | NZN | 1450 | TN | |||
| USA | HARDTACK II-Lea | 13Oct58 | 1320 | ~37.1 N | 116.0 W | 460 | AB | NV | 1.4 | XW-54? | |
| USSR | 15Oct58 | 0751 | ~73.8 N | ~ 55.0 E | 2150 | A | NZN | 1500 | TN | ||
| USA | HARDTACK II-Hamilton | 15Oct58 | 1600 | 36.8 N | ~115.95 W | 15 | AT | NV | 0.0012 | XW-51? | FZ |
| USA | HARDTACK II-Dona Ana | 16Oct58 | 1420 | ~37.1 N | 116.0 W | 137 | AB | NV | 0.037 | ||
| USA | HARDTACK II-Vesta | 17Oct58 | 2300 | 37.1 N | 116.0 W | 0 | AS | NV | 0.024 | XW-47 primary | |
| USSR | 18Oct58 | 0951 | ~73.8 N | ~ 55.0 E | A | NZN | 2900 | TN | |||
| USA | HARDTACK II-Rio Arriba | 18Oct58 | 1425 | 37.0 N | 116.0 W | 22.1 | AT | NV | 0.09 | Mk 7 | |
| USSR | 19Oct58 | 0727 | ~73.8 N | ~ 55.0 E | A | NZN | 40 | ||||
| USSR | 19Oct58 | ~73.8 N | ~ 55.0 E | 900 | A | NZN | ~0.0005 | FZ | |||
| USSR | 20Oct58 | 0820 | ~73.8 N | ~ 55.0 E | A | NZN | 440 | TN? | |||
| USSR | 21Oct58 | ~73.8 N | ~ 55.0 E | 270 | A | NZN | 2 | ||||
| USSR | 22Oct58 | 0821 | ~73.8 N | ~ 55.0 E | 2070 | A | NZN | 2800 | TN | ||
| USA | HARDTACK II-Socorro | 22Oct58 | 1330 | ~37.1 N | 116.0 W | 440 | AB | NV | 6 | XW-54 | |
| USA | HARDTACK II-Wrangell | 22Oct58 | 1650 | 36.8 N | ~115.95 W | 460 | AB | NV | 0.115 | XW-47 primary? | FZ |
| USA | HARDTACK II-Oberon | 22Oct58 | 2030 | 37.2 N | ~116.1 W | 7.6 | AT | NV | 0.188 | XW-47 primary? | FZ |
| USA | HARDTACK II-Rushmore | 22Oct58 | 2340 | 37.1 N | 116.0 W | 150 | AB | NV | 0 | XW-47 primary? | PR? |
| USSR | 24Oct58 | 0803 | ~73.8 N | ~ 55.0 E | 1525 | A | NZN | 1000 | TN? | ||
| USA | HARDTACK II-Catron | 24Oct58 | 1500 | 37.0 N | 116.0 W | 22.1 | AT | NV | 0.021 | ||
| USA | HARDTACK II-Juno | 24Oct58 | 1601 | 37.1 N | 116.0 W | 0 | AS | NV | 0.0017 | ||
| USSR | 25Oct58 | 0820 | ~73.8 N | ~ 55.0 E | 1500 | A | NZN | 190 | TN? | ||
| USSR | 25Oct58 | ~73.8 N | ~ 55.0 E | 300 | A | NZN | ~0.05 | ||||
| USA | HARDTACK II-Ceres | 26Oct58 | 0400 | 37.2 N | ~116.1 W | 7.6 | AT | NV | 0.0007 | XW-48 | |
| USA | HARDTACK II-Sanford | 26Oct58 | 1020 | 36.8 N | ~115.95 W | 460 | AB | NV | 4.9 | XW-47 primary? | PR? |
| USA | HARDTACK II-De Baca | 26Oct58 | 1600 | ~37.1 N | 116.0 W | 460 | AB | NV | 2.2 | ||
| USA | HARDTACK II-Chavez | 27Oct58 | 1430 | 37.0 N | 116.0 W | 16 | AT | NV | 0.0006 | ||
| USA | HARDTACK II-Mazama | 29Oct58 | 1120 | 37.1 N | 116.0 W | 15 | AT | NV | 0.0078 | XW-51? | |
| USA | HARDTACK II-Humboldt | 29Oct58 | 1445 | 37.0 N | 116.0 W | 7.6 | AT | NV | 0 | FZ | |
| USA | HARDTACK II-Santa Fe | 30Oct58 | 0300 | ~37.1 N | 116.0 W | 460 | AB | NV | 1.3 | ||
| USA | HARDTACK II-Ganymede | 30Oct58 | 1100 | 37.1 N | 116.0 W | 0 | AS | NV | 22 | W-47 primary | PR |
| USA | HARDTACK II-Titania | 30Oct58 | 2034 | 37.2 N | ~116.1 W | 7.6 | AT | NV | 0.0002 | W-47 primary | PR |
| USSR | 01Nov58 | ?48 N | ? 44 E | 12000 | AR | MT | 10 | ||||
| (US/USSR bilateral moratorium on atmospheric nuclear tests began 1 Nov 1958) | |||||||||||
| USSR | 03Nov58 | ?48 N | ? 44 E | 12000 | AR | MT | 10 | ||||
© 2001, 2005 by Wm. Robert Johnston.
Last modified 12 June 2005.
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