National Seismological Service of Mexico
REPORTS: EARTHQUAKE
Magnitude: 4.1
Epicentral region: 71 km NORTHEAST of SANTA ROSALIA, BCS
Date and time: 2021-07-18 3:08:56 (Central Mexico time.)
Epicenter (latitude and longitude): 27.94 °, -112.03 °
Depth: 3 km
Last week saw 2 M6 (1 M6.1 in Indonesia and 1 M6.0 in California)
In the usual map area there were 6 out of 102 earthquakes worldwide equal to or greater than 4.5 and 2254 out of 2690 quakes of all sizes.
Percentage: 83.8%
Last week saw just 1M6 (a 6.1 in Panama).
In the usual area, there were 1 out of 82 earthquakes worldwide equal to or greater than 4.5 and 2554 out of 2936 quakes of all sizes.
Percentage: 87.0%
Tristan da Cunha, is a remote group of volcanic islands in the south Atlantic Ocean. It is the most remote inhabited archipelago in the world, lying approximately 1,732 miles (2,787 km) off the coast of Cape Town in South Africa.
The Bismarck Sea is located between the island of New Guinea, to the south-west, and the arc formed by the Bismarck archipelago, which separates it from the Pacific Ocean, from north to south-east. It is connected by a passage to the south with the Solomon Sea, between New Guinea and New Britain.
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