David A. Johnston was an American volcanologist who worked with the United States Geological Survey (USGS). He was killed during the 1980 eruption of Mount St. Helens in Washington while monitoring the volcano. Johnston reported the eruption shortly before being caught in a lateral blast. Although his body was never found, his remains were discovered in 1993. He conducted research on various volcanoes across the United States and was respected for his analyses of volcanic gases. Following his death, a memorial fund was established in his name at the University of Washington.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 360 days away.
Death Anniversary
Next death anniversary is 218 days away.
Death Date
Place of Birth
Time Zone - America/Chicago (6:0 W)
Chinese Zodiac Sign
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Meaning of the name - David
beloved, friend
Read Full David Name AnalysisDecember 18, 1949 Facts
Generation Group
David A. Johnston belongs to the Baby Boomers group.
Place of Birth: Chicago
Place of Death: Mount St. Helens
Cause of Death: 1980 eruption of Mount St. Helens
Educated At: University of Illinois at Urbana–Champaign | University of Washington
Occupation: volcanologist | geologist
Employers: United States Geological Survey
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.
Ephemeris for December 18, 1949
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 18, 2025 | Secondary Progressions for December 18, 2025 |
|---|---|---|---|
| Sun | 26 Sagittarius 30 | 27 Sagittarius 4 | 13 Pisces 36 |
| Moon | 12 Sagittarius 35 | 12 Sagittarius 34 | 17 Virgo 44 |
| Mercury | 11 Capricorn 7 | 9 Sagittarius 4 | 24 Aquarius 56 |
| Venus | 9 Aquarius 52 | 22 Sagittarius 32 | 5 Aquarius 45 |
| Mars | 26 Virgo 54 | 2 Capricorn 36 | 8 Libra 20 |
| Jupiter | 3 Aquarius 31 | 22 Cancer 59 | 21 Aquarius 9 |
| Saturn | 19 Virgo 49 | 25 Pisces 26 | 16 Virgo 48 |
| Uranus | 3 Cancer 17 | 28 Taurus 22 | 0 Cancer 59 |
| Neptune | 17 Libra 5 | 29 Pisces 23 | 16 Libra 49 |
| Pluto | 17 Leo 59 | 2 Aquarius 20 | 16 Leo 23 |
| Rahu | 12 Aries 48 | 12 Pisces 52 | 8 Aries 47 |
| Ketu | 12 Libra 48 | 12 Virgo 52 | 8 Libra 47 |
Chandra Kundali (Equal House, North Indian Diamond Chart)