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On This Day | January 23

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2019
Wenzhou rail transit opened

Wenzhou Rail Transit is the rapid transit network serving the city of Wenzhou, Zhejiang Province, China. Three lines (S1, S2 and S3) have received approval from the NDRC, and two more lines (M1 and M2) are not approved (de facto rejected) by NDRC. Line S1 has been under construction since November 2011 and was opened in January 2019. Line S2 opened in August 2023. Line S3 is under construction and will open in 2027. The first three lines are projected to cost about 50 billion yuan. Line S1 has a length of 53.5 km and consists of 18 stations, while S2 is 62.945 km long and has 20 stations.

2018
2018 Gulf of Alaska earthquake

On January 23, 2018, at 00:31 AKST, an earthquake occurred in the Gulf of Alaska near Kodiak Island. The earthquake, measured at 7.9 on the Mw scale, was approximately 280 kilometers (170 mi) southeast of Kodiak and happened at a depth of 25 kilometers (16 mi). It was initially measured as a M 8.2 event, but later downgraded by the United States Geological Survey. The earthquake was felt throughout most of southern Alaska, including the major cities of Anchorage and Fairbanks, and parts of neighboring British Columbia.

1799
Alois Negrelli was born

Nikolaus Alois Maria Vinzenz Negrelli, Ritter von Moldelbe was a Tyrolean civil engineer and railroad pioneer mostly active in parts of the Austrian Empire, Switzerland, Germany and Italy. He was involved in the construction of various civil engineering projects, such as railways, cannals, and bridges, amongst others.

1745
William Jessop was born

William Jessop was an English civil engineer, best known for his work on canals, harbours and early railways in the late 18th and early 19th centuries. The first major work that Jessop is known to have carried out was the Grand Canal of Ireland. This had begun as a Government project in 1753, and it had taken seventeen years to build fourteen miles (21 km) of canal from the Dublin end.

1556
1556 Shaanxi earthquake

The 1556 Shaanxi earthquake occurred in the early morning of 23 January 1556 in Huaxian, Shaanxi during the Ming dynasty. Most of the residents there lived in yaodongs-artificial caves in loess cliffs-which collapsed and buried alive those sleeping inside. Modern estimates put the direct deaths from the earthquake at over 100,000, while over 700,000 migrated away or died from famine and plagues, which summed up to a total loss of 830,000 people in Imperial records. It was the deadliest recorded earthquake in history, and in turn one of the deadliest natural disasters in Chinese history.

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