November 1960 Peru Earthquake
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The November 1960 Peru earthquake occurred offshore northern
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...
on November 20 at . The magnitude of the earthquake was 6.75 by using the conventional surface-wave magnitude measurement within a shorter duration of ~20 s. However, there is a large discrepancy between the magnitudes in and in this earthquake. The discrepancy was caused from the earthquake's long source duration of about 130 s, and by calculating the
seismic moment Seismic moment is a quantity used by seismologists to measure the size of an earthquake. The scalar seismic moment M_0 is defined by the equation M_0=\mu AD, where *\mu is the shear modulus of the rocks involved in the earthquake (in pascals (Pa), ...
, the magnitude would be 7.6 or 7.8, according to different sources. This earthquake belongs to a category of earthquakes with slow rupture velocities and potential of producing tsunamis larger than those expected from the moment magnitudes. A tsunami with a height of was triggered and struck Puerto Eten, Lambayeque Department. The tsunami caused damage along the coast of the Lambayeque Department. Three deaths were reported in Lambayeque Department. Thirteen deaths and 50 missing were reported in the Guañape Islands, La Libertad Department. The tsunami was also observed in Hilo, Hawaii.


See also

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List of earthquakes in 1960 This is a list of earthquakes in 1960. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. Events which occurred in remote areas will be excluded from the ...
*
List of earthquakes in Peru Earthquakes in Peru are common occurrences as the country is located in a seismic zone. The interface between the Nazca and South American tectonic plates is located near the Peruvian coast. The South American Plate is moving over the Nazca Plate ...


References

{{Earthquakes in Peru
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...
1960 in Peru November 1960 events in South America Tsunami earthquakes Earthquakes in Peru Tsunamis in Peru 1960 disasters in Peru