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A 7.8 MS earthquake struck the densely populated Philippine island of Luzon, killing an estimated 1,621 people.
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Surface-wave magnitude
Earthquake measurement scale
The surface wave magnitude scale is one of the magnitude scales used in seismology to describe the size of an earthquake. It is based on measurements of Rayleigh surface waves that travel along the uppermost layers of the Earth. This magnitude scale is related to the local…Source: Wikipedia (CC BY-SA)
1990 Luzon earthquake
Earthquake in the Philippines
The 1990 Luzon earthquake occurred on July 16 at 4:26 p.m. (PDT) or 3:26 p.m. (PST) on the densely populated island of Luzon in the Philippines. The shock had a surface-wave magnitude of 7.8 and produced a 125 km-long ground rupture that stretched from Dingalan to Kayapa. The…Source: Wikipedia (CC BY-SA)
Luzon
Island in the Philippines
Luzon is the largest and most populous island in the Philippines. Located in the northern portion of the Philippine archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as well as Quezon City, the country's most…Source: Wikipedia (CC BY-SA)