1918 Puerto Rico tsunami maximum run‑up was 6 meters
Question asked:
“The 1918 Puerto Rico tsunami had a maximum run-up of 6 meters.”
Summary
The 1918 earthquake‑generated tsunami in northwestern Puerto Rico produced maximum run‑up heights of about 6 meters, as documented by geological surveys and NOAA records. This figure is consistently reported across authoritative scientific sources.
Sources 59 searched
- State of Knowledge, Workshop: Seismic And Tsunami Hazard In Puerto Rico And The Virgin Islands
1922 deaths are confirmed as being specifically related to tsunamis during the last 150 years. A 1918 M 7.5 earthquake resulted in a tsunami that killed at least 116 people in northwestern Puerto Rico. A runup of about 6 m has been documented by mapping, and sedimentary evidence for at least ...
- Tsunamis Group Report, Workshop: Seismic And Tsunami Hazard In Puerto Rico And The Virgin Islands
Recent modeling studies of the 1918 earthquake and tsunami in Puerto Rico that killed 116 people (Mercado and McCann, 1998) and the compilation of a tsunami catalog over the last 500 years (Lander et al., in press) has highlighted the significant hazard in the Caribbean.
- Tsunami Travel Time Maps | National Centers for Environmental Information (NCEI)
... A magnitude 7.3 Mw earthquake on October 11, 1918, in the Mona Passage, west of Puerto Rico, was caused by displacement along four segments of a normal fault, oriented N-S in the Mona Canyon. The earthquake generated a tsunami with runup heights reaching 6 meters, causing extensive damage ...
- NCEI Hazard Tsunami Event Information - NOAA
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- National Oceanic and Atmospheric Administration, Department of Commerce - October 1918 Puerto Rico, USA Images
The shock was immediately followed by a tsunami with runup heights reaching 6 meters. Both the earthquake and tsunami caused widespread property damage with estimates beginning at $4 million in damage and more than 100 casualties.
- Seafloor observations eliminate a landslide as the source of the 1918 Puerto Rico Tsunami | U.S. Geological Survey
The 11 October 1918 devastating tsunami in northwest Puerto Rico had been used as an example for earthquake‐induced landslide tsunami hazard. Three pieces of evidence pointed to a landslide as the origin of the tsunami: the discovery of a large submarine landslide scar from bathymetry data ...
- 1 Seafloor observations eliminate a landslide as the source ...
(2008) using video of the seafloor ... We also date core samples to determine the scar’s age. We find that the · landslide scar is older than 1918 and was likely not formed by that earthquake....
- Advanced Tsunami Numerical Simulations of The Puerto ...
show evidence that the northern slope of Puerto Rico has · Advanced Tsunami Numerical Simulations of The 1918 Mona Passage Tsunami
- Remembering the 1918 Earthquake and Tsunami in Puerto Rico | William & Mary Libraries
On October 11, 1918, an 7.5 magnitude earthquake shook the homes of residents in Mayaguez, Puerto Rico. Within minutes, the town was inundated by a large Tsunami. Destruction of buildings and homes in Mayaguez and surrounding towns was widespread. The hospital, theater, municipal buildings, and schools were reduced to rubble and the Agricultural College caught fire.
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