Understanding Landslides and Their Impact

Landslides are a significant geohazard that can cause severe damage to infrastructure, transportation routes, and communities. Triggered by natural disasters such as earthquakes, hurricanes, heavy rainfall, and wildfires, landslides involve the rapid movement of rock, soil, and debris down slopes. These catastrophic events can lead to road closures, property destruction, and even loss of life.

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Causes of Landslides

Landslides are often a direct result of:

  • Heavy Rainfall & Flooding – Excessive water infiltration weakens soil cohesion, causing slope instability.
  • Earthquakes & Seismic Activity – Ground shaking can dislodge rock and soil on steep slopes, triggering landslides.
  • Wildfires – Destruction of vegetation reduces root reinforcement, making slopes vulnerable to erosion and failure.
  • Hurricanes & Storm Surges – Coastal areas face increased landslide risks due to storm-induced erosion and heavy precipitation.

Geohazard Mitigation Strategies for Landslides

Effective geohazard mitigation is crucial for stabilizing slopes and preventing future landslides. Our company specializes in emergency response and long-term stabilization solutions, including:

 

 

  • Installation of subsurface drainage systems
  • Surface water diversion and culvert installation
  • Erosion control solutions to minimize runoff impact

 

  • Deployment of specialized equipment for quick response
  • Limited access drilling solutions for difficult terrain
  • Design-build approaches for accelerated project completion
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How We Provide Support After a Landslide

When a landslide occurs, rapid response is critical to restoring access and preventing further damage. Our team is equipped with industry-leading technology, including spider excavators, casing drills, and limited-access drilling equipment, to work efficiently in challenging environments.

We collaborate with Departments of Transportation, power utilities, rail companies, and asset owners to assess damages and implement immediate stabilization measures. Our experience in handling emergency response situations allows us to deliver cost-effective, engineered solutions that minimize downtime and ensure long-term stability.

Why Choose Us for Landslide Mitigation?

  • Expertise in Geohazard Mitigation – With extensive experience in landslide and slope stabilization, we offer cutting-edge solutions tailored to site-specific conditions.
  • Rapid Deployment – Our specialized crews and equipment are mobilized quickly to mitigate further risks and restore infrastructure functionality.
  • Innovative Engineering – We leverage advanced design-build techniques to provide lasting stabilization solutions, reducing long-term maintenance costs.
  • Comprehensive Solutions – From initial assessment to final stabilization, we handle every aspect of landslide mitigation, ensuring seamless project execution.
Excavator working on a slope with soil nails installed in a grid pattern.

Client Reviews

Landslide Repair for Homeowner in Colorado

I would like this to be a letter of appreciation and gratitude on a job well done. Our house was first threatened by a landslide back in June, 2017 and it has been a journey that has been both stressful and scary. And yet, every cloud has a silver lining and in this case the support, encouragement and character of everyone we met from GSI has indeed been a gift throughout this journey.

GSI was recommended by Steve Pawlak and we met Nathan Thompson early on. Nathan is a person who inspires trust and our first impression was verified throughout the process that led to a retaining system that has saved our house. As with everyone, and I mean everyone we met, we felt we had a group of people who were on our side.

There were challenges that were overcome; the patience needed along with several visits to get the project underway, a renegotiated plan and bid when the insurance settlement squeezed the payment amount, and a time crunch that led to a change in plans where the panels were poured on the hillside, that allowed for the project to be started as quickly as possible.

The crew that showed up to do the work was respectful, always ready to explain what was happening and was also timely, hard working and ready to go the extra mile. A great group of people with positive attitudes who seemed to genuinely work well together.

Watching Spike work on that excavator was awe inspiring. One of my favorite moments was filming him on my phone to show my office secretaries at the Elementary School. I recorded a "holy shit" without knowing it when he pulled off an amazing stunt coming off a ledge and then being horrified when that came out while I was sharing the video at school. I was able to laugh later.

Thank you again and if I can ever serve as a reference, please let me know.

Emergency Landslide Repair in Wyoming

In 2017, another well above normal snowpack winter and heavy spring rains resulted in 23 new landslides, which damaged or threatened WYDOT roads. WYDOT turned to GSI to help respond to these emergency situations. GSI was able to respond very quickly and in most cases had personnel on site to assess the site within 24 hours. They would provide a proposal for remediation with a preliminary design and estimated costs within 48 hours in most cases. During 2017, GSI was selected to perform remediation with contracts at six separate sites. In all cases, they were prepared to mobilize to the sites and begin work within a week of being given notice to proceed.

A unique element of these emergency contracts was a partnership, between WYDOT and GSI, by which WYDOT provided some logistical support such as traffic control and providing water for drilling operations so that GSI could focus its efforts on performing the specialty work. This arrangement resulted in cost effective, efficient, successful projects. When responding to emergency landslide repair, time truly is money, the sooner a landslide can be remediated before it has a chance to grow, the less expensive it is to repair. In the past, WYDOT has experienced situations in which, landslides could possibly have been remediated quicker, experienced further failure during drawn out conventional design and contracting methods resulting in higher costs due to the additional failure. GSI uses various types of innovative geo-technology in their landslide remediation projects….

All of these projects were completed on schedule, even with cold weather conditions and snow storms ….

All of the stabilization projects that GSI completed for WYDOT included a warranty to repair any of the remediation that would happen to fail, but to date none of the work that they have performed has required any repair. I would highly recommend GeoStabilization International to perform emergency landslide and slope remediation work. They have the resources, personnel, and expertise to respond to your emergency in a timely, professional manner.

Slope Stabilization and Landslide Repair in Pennsylvania

[We have] worked with GeoStabilization International (GSI) for over 10 years. GSI is our “go to contractor” for difficult slope stabilization projects. We have worked with GSI to stabilize steep slopes and remediate landslides on numerous projects along highways, pipelines and railroad right-of-ways. We have found them to be an excellent partner and one of very few contractors capable of working in areas with remote/difficult access. Their experienced equipment operators are able to work efficiently under difficult and often hazardous conditions, and yet maintain the project schedule… [We have] recommended GSI to clients and subcontracted them sole source on … design-build projects. I have no reservations recommending GSI for geohazard mitigation type work on pipeline right-of-way or other projects requiring slope stabilization.

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Contact Us for Landslide Remediation & Geohazard Solutions

If your site has been impacted by a landslide, don’t wait until the damage worsens. Contact our expert team today for a consultation and customized geohazard mitigation solutions. We are here to restore stability, protect infrastructure, and ensure safety in the aftermath of natural disasters.

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    How Can We Help?

    • Personal Info
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    • Project Info

    How Can We Help?

    • Personal Info
    • Contact Info
    • Project Info