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Today in Earthquake History

Today in Earthquake History

Today's Earthquake Fact:
The term seismic seiche was first coined by Anders Kvale in 1955, to describe oscillation of lake levels in Norway and England caused by the Assam earthquake of August, 1950.

October   4

Note: All earthquake dates are UTC, not local time.


Year Location Magnitude Comment
1983 Near the coast of Northern Chile

Epicenter
7.4 At least 5 people killed, 24 injured and extensive damage in the Copiapo-Chanaral area. A 1.5-meter uplift near Chanaral was reported and some roads were blocked by landslides. A minor tsunami was recorded at Valparaiso. Felt strongly (VII) in northern Chile. Felt also in Argentina, Bolivia and Brazil. This appears to be a multiple event.
From Significant Earthquakes of the World, 1983.


1994 Kuril Islands

Epicenter
8.3 At least 10 people killed or missing and extensive damage on Iturup; extensive damage and possibly some deaths and injuries on Kunashir, Shikotan and other islands in the Kuril chain from the earthquake and tsunami. One person died from a heart attack, at least 340 people injured and extensive damage occurred along the east coast of Hokkaido, Japan. Felt strongly in northern Honshu and also felt in the Tokyo area, Japan. Tsunami wave heights from selected tide stations (peak-to-trough) were as follows: 346 cm. at Hanasaki, 164 cm. at Kushiro, 162 cm. at Chichijima, 144 cm. at Miyako, 130 cm. at Hachinohe, 92 cm. at Ofunato, 62 cm. at Onahama, 46 cm. at Omae-zaki, 42 cm. at Choshi and 26 cm. at Abashiri, Japan; 300 cm. at Yuzhno-Kurilsk, Kunashir Island, 15 cm. at Shemya, Alaska, 17 cm. at Wake Island, 50 cm. at Midway Island and 48 cm. at Hilo, Hawaii.
From Significant Earthquakes of the World 1994.


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