Date in year · 1918 · The 1910s
October 11, 1918
On October 11, 1918, the 7.1 Mw San Fermín earthquake shakes Puerto Rico. The quake and resulting tsunami kill up to 116 people.
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1918
1910s
Featured · October 11, 1918
The 7.1 Mw San Fermín earthquake shakes Puerto Rico. The quake and resulting tsunami kill up to 116 people.
Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location. Magnitudes are usually determined from measurements of an earthquake's seismic waves as recorded on a seismogram.
Around 1918
The year in brief
1918 (MCMXVIII) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1918th year of the Common Era (CE) and Anno Domini (AD) designations, the 918th year of the 2nd millennium, the 18th year of the 20th…
What happened
On October 11, 1918
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1918 The 7.1 Mw San Fermín earthquake shakes Puerto Rico. The quake and resulting tsunami kill up to 116 people. Scales to describe earthquake strength
Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location. Magnitudes are usually determined from measurements of an earthquake's seismic waves as recorded on a seismogram.
Elsewhere that year
Other moments from 1918
- April 1 The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
- April 20 World War I: Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
- April 21 World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
- April 23 World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
- April 24 World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
- April 6 Finnish Civil War: The battle of Tampere ends.
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