Today in Earthquake History

Today's Earthquake Fact:
The core of the earth was the first internal structural element to be identified. In 1906 R.D. Oldham discovered the core from his studies of earthquake records. The inner core is solid, and the outer core is liquid and does not transmit the shear wave energy released during an earthquake.

Year at a Glance

January

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

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Year	Location	Magnitude	Comment

1984	Sulawesi, Indonesia	6.7	Two people killed, 23 injured, and damage to buildings in the Mamuju area. From Significant Earthquakes of the World, 1984.

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