Significant Earthquakes Past 30 Days

Today’s Earthquake Fact

Before electronics allowed recordings of large earthquakes, scientists built large spring-pendulum seismometers in an attempt to record the long-period motion produced by such quakes. The largest one weighed about 15 tons. There is a medium-sized one, three stories high, in Mexico City that is still in operation.

Today in Earthquake History


October 13, 1993
M 6.9, New Guinea – Sixty people were killed and several injured in the Upper Markham Valley. Large landslides blocked the Ume River and contributed to many of the… Read More

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