3 Comments
10 hrs agoLiked by Judith A Hubbard

Very interesting post. For figure 3, what time period does this record of earthquakes cover? Is it since 1980 same as Figure 5?

Thanks.

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author

Thanks for asking! The image on the left (Cascadia) shows earthquakes from the USGS catalog, starting around 1900 CE. The image on the right (South America) shows earthquakes from a variety of sources, including some large historical events prior to 1900.

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11 hrs agoLiked by Judith A Hubbard

Thanks for another interesting report! I always learn new things from your postings. You both have such a broad base of knowledge to even have the 1700 quake is your article AND the associated reports of early settlers and the Japanese tsunami.

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