7/24/2017

Brick Building Earthquake Warning

Update 10-15-2017 New Madrid Fault Activity



Should the people of St.Louis be concerned? 2017 Solar Eclipse follows the line of the North American Rift and since the New Madrid Fault line is located in this general area. Yes, I feel it is proactive to be aware of the situation at the minimum.

Solar Eclipse and the North American Rift will it affect the New Madrid Fault?



I hope, have prayed, and will do a little more praying in the days to come that the Madrid Fault does not move from its current location. The Brick and Masonry buildings around town that were built during the World Fair held in St.Louis years and years ago were not constructed with steel reinforcement when the brick buildings were built.

StLouis Worlds Fair Brick Building History Lesson: There were many clues for determining the age of the building. When St Louis hosted the Worlds Fair.  The city planners realized that housing was going to be needed for everyone and started building many of the brick homes that are still being utilized all over the city today....Either way when you have the type of brick as the ones in this building you have a building using bricks that were made in the Late 1800s or early 1900s. 

This means that any lateral or sideways movement could allow for the collapse of many of the brick buildings around town. The Buildings were not constructed using modern day building practices and did not have metal support or bracing in the mortar that holds the bricks in place. 


Masonry / Brick Buildings without steel reinforcement are made for compression strengthWhen steel reinforcement is added it will support lateral or sideways strength see image Masonry Constructed Safe Room Design.

Masory Construction Lateral or Sideways Support is provided by the Steel Reinforcment
Masory Lateral or Sideways Support is provided by the Steel Reinforcment
Here is what could happen to the Buildings in StLouis in an Earth Quake:
Brick Wall Collapse Images and Repair St Louis Masonry Buildings
Brick Wall Collapse Images and Repair St Louis Masonry Buildings
  1. When the ground moves the buildings will also move: up, down, sideways, back and forth. 
  2. The movement will cause the mortar or glue that holds the old bricks together to come loose. 
  3. This could cause the walls of a masonry brick building to come tumbling down as in the image above. 
  4. For your own safety: Vacate or Leave the Premise or Move away from exterior walls and vacate the top floor of the building if an Earthquake does happen in St.Louis.
St.Louis Brick Building collapse images used in infographic were copied from ONSL.org http://onsl.org/



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