2017 Great American Eclipse
Moment · 2017 · Viral
Glasses sold out before an eclipse seen by an estimated 216 million American adults.
Spread Score
How it worksNumbers
- Observed peak date
- Week of Aug 22, 2017
- Aug 21 ’17 to Week of Aug 22, 2017
- Platforms
- 6
- Started on Open web
- Origin
- Organic
- Culture (no sector)
How it spread
Trace the originGlasses sold out before the eclipse crossed the US. Viewers traveled, shared images and watched broadcasts; NASA later reported more than 50 million live views across platforms. Tourism studies estimated spending, and volunteers supplied research data.
Observed peak within the documented measurement window; not an all-time maximum. Dates use the stated precision; chart positions are date anchors.
13 more events on this chart
Join free to see themTimeline (16)
April 2017
USPS precursor · Apr 27 ’17
USPS announced a heat-sensitive eclipse stamp and invited social posts with #EclipseStamps.[1]
July 2017
NASA / GLOBE Observer precursor · Jul 20 ’17
NASA invited viewers to report cloud and temperature observations through a free phone app.[2]
August 2017
TIME precursor · Aug 14 ’17
TIME reported Amazon refunds and the removal of listings whose sellers had not supplied certification.[3]
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Spread the same way
New cases, every week
How the next thing spread, the week it does.




