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On This Day | March 20

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2010
Eyjafjallajökull erupted

Eyjafjallajökull, sometimes referred to by the numeronym E15, is one of the smaller ice caps of Iceland, north of Skógar and west of Mýrdalsjökull. The ice cap covers the caldera of a volcano with a summit elevation of 1,651 metres (5,417 ft). The volcano has erupted relatively frequently since the Last Glacial Period, most recently in 2010, when, although relatively small for a volcanic eruption, it caused enormous disruption to air travel across northern and western Europe for a week.

2005
2005 Fukuoka earthquake

The Fukuoka earthquake struck Fukuoka Prefecture, Japan at 10:53 am JST on March 20, 2005, and lasted for approximately 1 minute. The Japan Meteorological Agency (JMA) measured it as peaking at a magnitude of 7.0, whereas the United States Geological Survey (USGS) reported a magnitude of 6.6. The quake occurred along a previously unknown fault in the Genkai Sea, North of Fukuoka city, and the residents of Genkai Island were forced to evacuate as houses collapsed and landslides occurred in places. Investigations subsequent to the earthquake determined that the new fault was most likely an extension of the known Kego fault that runs through the centre of the city. The events left 381 people injured and one dead.

1861
1861 Mendoza earthquake

The 1861 Mendoza earthquake occurred in the province of Mendoza, Argentina on 20 March at 11:30 PM. It had an estimated magnitude of 7.2 on the Ms scale and an intensity of IX-X on the Mercalli scale. Its hypocenter was located at an estimated depth of 30 kilometres (19 mi). The earthquake devastated the provincial capital, Mendoza, killing somewhere in the range of 6,000 to 12,000 people, although even higher numbers have been suggested, with thousands more being injured. Most of the buildings were destroyed, including the cabildo

1760
Great Boston fire of 1760

The Great Boston fire of 1760 was a major conflagration that occurred on March 20, 1760, in Boston in the Province of Massachusetts. The fire destroyed 349 buildings in the area between the modern Washington Street and Fort Hill, as well as several ships in port, and it left more than a thousand people homeless.

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Engineering Properties and Laboratory Testing

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Century-old New York rail tunnel rebuilt after corrosive flood damage

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Reinforcement and Stabilization Mechanisms

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