Right - I decided to do some research in NZ archives about gaseous/sulphur smells prior to earthquakes.
To see if these smells in US could indicate anything. This is what I have found and I will keep looking. I own a book about accounts of a huge quake in the Wellington area in the 1850īs - I am sure I remember accounts of a smell prior.
This excerpt is from a Wanganui quake in the 1800s.
"A friend, who had camped by the mouth of the Rangitikei River,
with a herd of cattle, on the night of the earthquake, lately
told me that the ground there was extensively and very deeply
fissured, and that a sulphurous smell was distinctly perceptible.
A similar smell was said to have been perceived at Wanganui,
but I did not observe it at Waitotara. "
If you want to read the full story link is below -
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link to homepages.paradise.net.nz]
