Solar storm of 1859
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encyclopedia
Sunspots of September 1, 1859, as
sketched by Richard Carrington.
A and B mark the initial positions of an intensely bright event, which moved
over the course of five minutes to C and D before disappearing.
The solar storm of 1859, also
known as the Carrington event,[1] was a powerful geomagnetic solar storm in 1859 during solar cycle 10.
A solar coronal mass ejection hit Earth's magnetosphere and induced one of the largest geomagnetic storms on
record. The associated "white light flare" in the solar photosphere
was observed and recorded by English astronomers Richard C. Carrington
and Richard Hodgson.
Studies have shown that a solar
storm of this magnitude occurring today would likely cause widespread problems
for modern civilization. The solar storm of 2012 was of similar magnitude, but it passed Earth's orbit
without striking the Earth.[2]
Carrington
super flare
From August 28 through September 2,
1859, numerous sunspots were observed on the Sun. On August 29, southern aurorae were observed as far north as Queensland,
Australia.[3]
Just before noon on September 1, the English amateur astronomers Richard Carrington
and Richard Hodgson independently made the first observations of a solar flare.[4]
The flare was associated with a major coronal mass ejection (CME) that travelled directly toward Earth, taking 17.6
hours to make the 93 million mile journey. It is believed that the relatively
high speed of this CME (typical CMEs take several days to arrive at Earth) was
made possible by a prior CME, perhaps the cause of the large aurora event on
August 29, that "cleared the way" of ambient solar wind
plasma for the Carrington event.[4]
Because of a simultaneous "crochet"
observed in the Kew Observatory magnetometer record by Scottish physicist Balfour Stewart
and a geomagnetic storm observed the following day, Carrington suspected a
solar-terrestrial connection. Worldwide reports on the effects of the
geomagnetic storm of 1859 were compiled and published by Elias Loomis,
which support the observations of Carrington and Stewart.
On September 1–2, 1859, one of the
largest recorded geomagnetic storms (as recorded by ground-based magnetometers)
occurred. Aurorae were seen around the world, those in the northern hemisphere
even as far south as the Caribbean; those over the Rocky Mountains
were so bright that their glow awoke gold miners, who began preparing breakfast
because they thought it was morning.[4]
People who happened to be awake in the northeastern US
could read a newspaper by the aurora's light.[5]
The aurora was visible as far from the poles as Cuba and Hawaii.[6]
Telegraph systems all over Europe and North America failed, in some
cases giving telegraph operators electric shocks.[7]
Telegraph pylons threw sparks.[8]
Some telegraph operators could continue to send and receive messages despite
having disconnected their power supplies.[9]
On Saturday, September 3, 1859, the Baltimore
American and Commercial Advertiser
reported, "Those who happened to be out late on Thursday night had an
opportunity of witnessing another magnificent display of the auroral lights.
The phenomenon was very similar to the display on Sunday night, though at times
the light was, if possible, more brilliant, and the prismatic hues more varied
and gorgeous. The light appeared to cover the whole firmament, apparently like
a luminous cloud, through which the stars of the larger magnitude indistinctly
shone. The light was greater than that of the moon at its full, but had an
indescribable softness and delicacy that seemed to envelop everything upon
which it rested. Between 12 and 1 o'clock, when the display was at its full
brilliancy, the quiet streets of the city resting under this strange light, presented
a beautiful as well as singular appearance."[10]
In June 2013, a joint venture from
researchers at Lloyd's of London and Atmospheric and Environmental Research (AER) in the
United States used data from the Carrington Event to estimate the current cost
of a similar event to the US alone at $0.6–2.6 trillion.[11]
Similar
events
Ice cores containing thin nitrate-rich
layers have been analyzed to reconstruct a history of past solar storms
predating reliable observations. Data from Greenland
ice cores, gathered by Kenneth G. McCracken[12]
and others, show evidence that events of this magnitude—as measured by
high-energy proton radiation, not geomagnetic effect—occur approximately once
per 500 years, with events at least one-fifth as large occurring several times
per century.[13]
However, more recent work by the ice core community (McCracken et al. are space
scientists) shows that nitrate spikes are not a result of solar energetic
particle events, so use of this technique is in doubt. Beryllium-10
and Carbon-14
levels are considered to be more reliable indicators by the ice core community.[14]
These similar but much more extreme cosmic ray
events, however, may originate outside the solar system
and even outside the galaxy. Less severe storms have occurred in 1921 and 1960, when
widespread radio disruption was reported. The March
1989 geomagnetic storm knocked
out power across large sections of Quebec. On July 23, 2012 a
"Carrington-class" Solar Superstorm (Solar flare,
Coronal mass ejection, Solar
EMP) was observed; its trajectory missed
Earth in orbit. Information about these observations was shared first publicly
by NASA on April 28, 2014.[2][15]
References
1.
·
Philips, Tony (January 21, 2009). "Severe Space Weather--Social and Economic
Impacts". NASA Science: Science News
(science.nasa.gov). Retrieved February 16, 2011.
·
·
Phillips, Dr. Tony (July 23, 2014). "Near Miss: The Solar Superstorm of July
2012". NASA. Retrieved July 26, 2014.
·
·
"SOUTHERN AURORA.". The
Moreton Bay Courier
(Brisbane: National Library of Australia). 7 September 1859. p. 2.
Retrieved 17 May 2013.
·
·
Odenwald, Sten F.; Green, James L.
(July 28, 2008). "Bracing the Satellite Infrastructure for a
Solar Superstorm". Scientific American. Retrieved February 16, 2011.
·
·
Richard A. Lovett (March 2, 2011). "What If the Biggest Solar Storm on Record
Happened Today?". National
Geographic News. Retrieved September 5, 2011.
·
·
Committee on the Societal and Economic Impacts of Severe Space Weather
Events: A Workshop, National Research Council (2008). Severe Space Weather
Events--Understanding Societal and Economic Impacts: A Workshop Report.
National Academies Press. p. 13. ISBN 0-309-12769-6.
·
·
Carlowicz, Michael J.; Lopez, Ramon E. (2002). Storms from the Sun:
The Emerging Science of Space Weather. National Academies Press.
p. 58. ISBN 0-309-07642-0.
·
·
"The Aurora Borealis". Baltimore
American and Commercial Advertiser.
September 3, 1859. p. 2; Column 2. Retrieved February 16, 2011.
·
·
"How do you determine the effects of a solar
flare that took place 150 years ago?"
(PDF). Stuart Clarks Universe. Retrieved May 23, 2012.
·
·
McCracken, K. G.; Dreschhoff, G. A. M.; Zeller, E. J.; Smart, D. F.;
Shea, M. A. (2001). "Solar cosmic ray events for the period 1561–1994 1.
Identification in polar ice, 1561–1950". Journal of Geophysical
Research 106 (A10): 21,585–21,598. Bibcode:2001JGR...10621585M. doi:10.1029/2000JA000237.
·
·
Wolff, E. W.; Bigler, M.; Curran, M. A. J.; Dibb, J.; Frey, M. M.;
Legrand, M. (2012). "The Carrington event not observed in most ice core
nitrate records". Geophysical Research Letters 39 (8):
21,585–21,598. Bibcode:2012GeoRL..39.8503W. doi:10.1029/2012GL051603.
15. · "Video
(04:03) – Carrington-class coronal mass ejection narrowly misses Earth".
NASA.
April 28, 2014. Retrieved July 26, 2014.
Further
reading
- Cliver, E. W.; Svalgaard, L. (2004). "The 1859 Solar–Terrestrial Disturbance and the Current Limits of Extreme Space Weather Activity" (PDF). Solar Physics 224: 407. Bibcode:2004SoPh..224..407C. doi:10.1007/s11207-005-4980-z.
- Tsurutani, B. T.; Gonzalez, W. D.; Lakhina, G. S.; Alex, S. (2003). "The extreme magnetic storm of 1–2 September 1859". Journal of Geophysical Research 108. Bibcode:2003JGRA..108.1268T. doi:10.1029/2002JA009504.
- Issue 2 of Volume 38, Pages 115-388 (2006), of Advances in Space Research, an issue entitled "The Great Historical Geomagnetic Storm of 1859: A Modern Look"
- Robertclauer, C.; Siscoe, G. (2006). "The great historical geomagnetic storm of 1859: A modern look". Advances in Space Research 38 (2): 117–118. Bibcode:2006AdSpR..38..117R. doi:10.1016/j.asr.2006.09.001.
- Cliver, E. (2006). "The 1859 space weather event: Then and now". Advances in Space Research 38 (2): 119–129. Bibcode:2006AdSpR..38..119C. doi:10.1016/j.asr.2005.07.077.
- Green, J.; Boardsen, S. (2006). "Duration and extent of the great auroral storm of 1859". Advances in Space Research 38 (2): 130–135. Bibcode:2006AdSpR..38..130G. doi:10.1016/j.asr.2005.08.054.
- Silverman, S. (2006). "Comparison of the aurora of September 1/2, 1859 with other great auroras". Advances in Space Research 38 (2): 136–144. Bibcode:2006AdSpR..38..136S. doi:10.1016/j.asr.2005.03.157.
- Green, J.; Boardsen, S.; Odenwald, S.; Humble, J.; Pazamickas, K. (2006). "Eyewitness reports of the great auroral storm of 1859". Advances in Space Research 38 (2): 145–154. Bibcode:2006AdSpR..38..145G. doi:10.1016/j.asr.2005.12.021.
- Humble, J. (2006). "The solar events of August/September 1859 – Surviving Australian observations". Advances in Space Research 38 (2): 155–158. Bibcode:2006AdSpR..38..155H. doi:10.1016/j.asr.2005.08.053.
- Boteler, D. (2006). "The super storms of August/September 1859 and their effects on the telegraph system". Advances in Space Research 38 (2): 159–172. Bibcode:2006AdSpR..38..159B. doi:10.1016/j.asr.2006.01.013.
- Siscoe, G.; Crooker, N.; Clauer, C. (2006). "Dst of the Carrington storm of 1859". Advances in Space Research 38 (2): 173–179. Bibcode:2006AdSpR..38..173S. doi:10.1016/j.asr.2005.02.102.
- Nevanlinna, H. (2006). "A study on the great geomagnetic storm of 1859: Comparisons with other storms in the 19th century". Advances in Space Research 38 (2): 180–187. Bibcode:2006AdSpR..38..180N. doi:10.1016/j.asr.2005.07.076.
- Kappenman, J. (2006). "Great geomagnetic storms and extreme impulsive geomagnetic field disturbance events – An analysis of observational evidence including the great storm of May 1921". Advances in Space Research 38 (2): 188–199. Bibcode:2006AdSpR..38..188K. doi:10.1016/j.asr.2005.08.055.
- Silverman, S. (2006). "Low latitude auroras prior to 1200 C.E. and Ezekiel's vision". Advances in Space Research 38 (2): 200–208. Bibcode:2006AdSpR..38..200S. doi:10.1016/j.asr.2005.03.158.
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