1. On Sunday 4 September 2022, a strong 6.9 magnitude earthquake
occurred underwater in the Mid-Atlantic Ridge. a) Study the diagram
below to determine at what depth below the earth's surface was the
FOCUS of the earthquake. b) Determine the energy in E(ergs) released by
the earthquake and c) Determine the energy in E(Joules) released by the
earthquake. (Hint: recall the formula M = 2/3 log E/10^11.8 and
conversion factor 1 erg = 10^-7 J)
Mag 6.9 earthquake
Central Mid-Atlantic Ridge
Sunday, 4 Sep 2022 09:42 (UTC)
Data: USGS
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