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Seismology at the Science Fair

Index Page

Do Lost Pet Ads Predict Earthquakes?
Introduction
Results
Try it Yourself!

Will Overstressed Bridges Survive Earthquakes?

Data Chart

Sort by Total Lost Pets Sort by Lost Cats Sort by Lost Dogs Sort by Other Lost Pets

Other pets included birds and rabbits.

Here is the chart ordered by the number of other lost pet ads. While all the 0's were random days the two highest days were also random ones. So, when ordered by the number of other lost pet ads the random and earthquake days are mixed together. So, if you just know the number of other lost pet ads can you guess if its an earthquake day or a random day? No. That means you can't use the number of other lost pet ads to predict earthquakes.

Date Random or
Earthquake
Lost
Cats Dogs Other Total
Dec. 23, 84 Random 4 14 0 18
Dec. 01, 85 Random 3 15 0 18
Dec. 09, 85 Random 2 11 0 13
Oct. 07, 86 Random 3 11 0 14
Nov. 29, 92 Random 6 11 0 17
Feb. 01, 93 Random 8 11 0 19
Apr. 24, 84 Earthquake M=6.1 5 16 1 22
Mar. 30, 86 Earthquake M=5.6 2 18 1 21
Jun. 12, 88 Earthquake M=5.2 4 15 1 20
Apr. 02, 89 Earthquake M=4.6 5 16 1 22
Aug. 07, 89 Earthquake M=4.9 4 14 1 19
Mar. 23, 91 Earthquake M=4.5 7 09 1 17
Dec. 10, 91 Random 5 20 1 26
Feb. 27, 93 Random 8 16 1 25
Nov. 09, 88 Earthquake M=4.8 3 17 2 22
Jun. 27, 88 Earthquake M=5.1 5 13 3 21
Oct. 17, 89 Earthquake M=7.1 9 15 4 28
Aug. 11, 93 Earthquake M=4.6 9 14 4 27
Jun. 10, 91 Random 4 14 5 23
Aug. 14, 91 Random 6 17 6 29