What to Do If Buried in an Avalanche

Table of Contents

1. Introduction
2. Phase 1: The First Five Seconds
3. Phase 2: The Ride Down
4. Phase 3: The Burial and the Air Pocket
5. Phase 4: After the Snow Stops
6. Essential Gear for Avalanche Survival
7. How to Prepare Before You Go
8. Recognizing Dangerous Terrain
9. Conclusion
10. FAQ

Introduction

The sound is unmistakable to anyone who spends enough time in the winter backcountry: a deep, hollow "whumpf" that vibrates through your boots. It is the sound of a weak layer in the snowpack collapsing under your weight. In that split second, the slope you’re standing on can transform from a serene powder run into a shattered pane of glass sliding at 80 miles per hour. At BattlBox, we know that preparation isn't just about having the right gear in your pack; it’s about having the right reactions hardwired into your brain before the snow starts to move. If you want that kind of readiness month after month, build your BattlBox subscription. This guide covers the immediate physical actions you must take if you are caught, the mechanics of surviving a burial, and the essential gear required to make a rescue possible. Understanding these life-saving protocols is the difference between a close call and a tragedy.

Quick Answer: If you are caught in an avalanche, your first priority is to move laterally to get off the moving slab. If pulled under, use a swimming motion to stay near the surface and, as the slide slows, thrust a hand upward while using your other arm to clear a vital air pocket around your face.

Phase 1: The First Five Seconds

The first few seconds of an avalanche are your best opportunity for survival. Because 90 percent of avalanche accidents are triggered by the victim or someone in their party, you are often at the center of the fracture when it begins. For a deeper look at the warning signs and route choices, see our avalanche safety guide.

Get Off the Slab As soon as you feel the snow fracture, your goal is to move to the side. Avalanches are most powerful and deepest in the center. If you are skiing or snowboarding, aim your tips downhill to gain a burst of speed, then carve hard toward the nearest "flank" or edge of the slide. If you are on a snowmobile, use the throttle to power yourself laterally toward stable snow.

Discard Heavy Gear If you cannot escape the slab, you need to shed weight that will act as an anchor. High-back packs, skis, and snowboards can drag you deeper into the debris or cause severe leg injuries as they twist in the turbulent snow. However, do not discard your backpack if it is equipped with an avalanche airbag—deploy it immediately.

Yell and Alert Others Give a loud, sharp shout to alert your partners. They need to see your "point of last seen"—the exact spot where you disappeared under the snow. If visibility is poor, a rescue laser light can help you signal a search party.

Phase 2: The Ride Down

If you are swept away and cannot reach the edge of the slide, you are now a passenger in a high-velocity flow of snow, ice, and debris. For more winter-readiness context, read our winter survival guide.

The Swimming Motion

The human body is roughly three times denser than avalanche snow. This means you will naturally sink toward the bottom of the flow. To counteract this, you must "swim" with everything you have. Use large, aggressive strokes to stay as close to the surface as possible.

Watch for Trauma

A significant percentage of avalanche fatalities are caused by trauma rather than suffocation. As you are carried downhill, try to keep your feet tucked to avoid them catching on rocks or trees, which can result in catastrophic fractures. If you are near trees, try to grab one, but be aware that an avalanche moving at 40 mph or faster can exert enough force to cause severe impact injuries against a stationary object. If you want to round out the medical side of your kit, our medical and safety collection is a smart place to start.

The Expansion of the Flow

As the avalanche travels, it often gains mass by "entraining" or picking up more snow from the slope. This increases the pressure and the speed. Stay focused on your swimming motion and keep your mouth closed to prevent snow from packing into your airway during the ride.

Phase 3: The Burial and the Air Pocket

The most dangerous moment occurs as the avalanche begins to slow down. This is the "deposition phase," where the snow begins to settle and compress.

Create an Air Pocket This is the single most important step for survival if you are buried. As the motion of the snow starts to lag, bring your hands to your face. Cup your hands around your mouth and nose or cross your arms over your chest with your hands near your face.

Key Takeaway: When the snow stops, it undergoes a process called "set up" where friction-generated heat quickly cools, turning the debris into something resembling cured concrete. You will not be able to move your limbs once the snow stops. Creating an air pocket before this happens provides the oxygen you need to survive until rescuers arrive.

Push a Hand Upward If you have any sense of which way is up, thrust one hand toward the surface before the snow sets. Even a few inches of a glove or a sleeve sticking out of the snow can cut search times from hours to minutes. For a broader kit-building reminder, see our emergency preparedness checklist.

Phase 4: After the Snow Stops

Once the avalanche comes to a complete rest, the environment changes instantly. The silence is often absolute, and the pressure on your body will be immense. A waterproof EDC flashlight can help once the snow stops.

Conserve Your Oxygen In the first 15 minutes after burial, the survival rate is approximately 93 percent. After 45 minutes, that number drops to below 30 percent. Most victims die from carbon dioxide poisoning, not a lack of oxygen. As you breathe, a "mask" of ice forms around your face from the moisture in your breath, which further restricts gas exchange.

• Do not scream: Unless you hear rescuers directly above you, screaming is a waste of precious oxygen. Snow is a phenomenal insulator and sound-absorber; rescuers likely won't hear you anyway.
• Slow your breathing: Try to remain calm. Rapid, panicked breathing will accelerate the buildup of CO2 in your small air pocket.
• Do not try to dig: Unless you are very close to the surface and can see light, trying to dig yourself out is usually impossible due to the density of the snow. Save your energy and oxygen for staying alive.

Myth: You should spit to see which way is up so you can dig yourself out. Fact: Avalanche debris sets so hard that you generally cannot move your arms, let alone dig. Spitting is a waste of time. Your survival depends entirely on your partners using beacons and shovels to find and extract you.

Essential Gear for Avalanche Survival

Survival in an avalanche is a team effort. You carry gear not just for yourself, but so your partners can find you, and you can find them. We emphasize that high-quality tools are non-negotiable when heading into the backcountry. For a broader gear layer, the emergency preparedness collection covers the basics.

The Holy Trinity of Avalanche Safety

1. Avalanche Beacon (Transceiver): This is a radio device that you wear on your body (under your outer layer). It should be set to "Send" mode while you are moving and "Search" mode only if someone is buried.
2. Collapsible Probe: A long, folding pole used to pinpoint the exact location and depth of a buried victim after the beacon has narrowed the search area.
3. Snow Shovel: A dedicated, metal backcountry shovel. Plastic shovels often shatter when hitting the "concrete" of avalanche debris.

Advanced Survival Tools

For those who frequent high-risk areas, additional gear can provide a higher margin of safety. This includes avalanche airbags, which help you stay on the surface of the flow, and specialized breathing devices that filtered CO2 away from your face. If you want a compact fire option in that same spirit, the Dark Energy Plasma Lighter fits the bill. Our Pro and Advanced tiers often feature the kind of rugged, field-tested equipment needed for extreme environments, ensuring you have professional-grade tools when conditions turn south.

How to Prepare Before You Go

Knowledge is the best survival tool in your kit. Before you ever step foot on a snowy slope, you should follow these three preparation steps. If you’re ready to keep building that kit, subscribe to BattlBox.

Step 1: Check the Forecast Visit your local avalanche center website. They provide daily updates on snow stability and "avalanche problems" (such as wind loading or persistent weak layers). If the danger is rated as "High" or "Extreme," stay home. If you're finishing your winter kit, the fire starters collection is worth a look.

Step 2: Take an Avy 1 Course A formal Avalanche Level 1 course teaches you how to read the terrain, perform snow pit tests, and execute a rescue. You cannot learn these skills effectively from a book or a video; you need hands-on practice in the snow.

Step 3: Practice with Your Partners Gear is useless if you don't know how to use it under pressure. Spend time in a "beacon park" or a snowy field practicing search techniques. We recommend doing this at the start of every season to keep your muscle memory sharp. The ideas in The Survival 13 show why fire, water, shelter, and skill all belong in the same readiness mindset.

Bottom line: Survival in an avalanche depends on a combination of immediate lateral movement, the creation of an air pocket, and having partners equipped with the gear and training to dig you out within 15 minutes.

Recognizing Dangerous Terrain

You can avoid being buried entirely by learning to recognize where avalanches are most likely to occur. For a deeper breakdown of the terrain clues, see how to spot avalanche danger.

• Slope Angle: Most large slab avalanches occur on slopes between 30 and 45 degrees. This is exactly the same angle that skiers and snowmobilers find most attractive.
• Convex Rolls: Areas where the slope gets steeper suddenly are "tension zones" where the snowpack is most likely to fracture.
• Terrain Traps: Gullies, creek beds, and flats at the bottom of steep slopes are dangerous because they allow snow to pile up incredibly deep, making even a small slide potentially fatal.
• Vegetation Clues: Look for "flagged" trees (trees with branches missing on the uphill side) or vertical swaths of young trees in a mature forest. These are clear signs of historical avalanche paths.

Conclusion

Surviving an avalanche is an exercise in speed, physics, and teamwork. From the moment the slab fractures, your focus must be on escaping the flow, staying on the surface, and securing an air pocket. Once the snow stops, your life is in the hands of your partners and the gear they carry. At BattlBox, we are committed to providing the expert-curated gear and knowledge you need to face these high-stakes environments with confidence. Whether you are building your first winter kit or upgrading to professional-tier equipment, being prepared is the first step toward your next great adventure. Subscribe to BattlBox

FAQ

How long can you survive buried in an avalanche? Survival rates are extremely high (over 90%) if you are recovered within the first 15 minutes. After 30 to 45 minutes, the survival rate drops significantly due to carbon dioxide buildup and suffocation. Beyond two hours, survival is rare unless a very large air pocket was maintained.

Can you dig yourself out of an avalanche? In almost all cases, no. Avalanche debris sets like concrete the moment it stops moving, pinning your arms and legs in place. Your survival depends on having a partner who was not buried and who has a beacon, probe, and shovel to find and extract you. For a look at the kind of monthly gear BattlBox curates, Mission 134 breakdown is a good next stop.

Do avalanches happen on flat ground? While the avalanche itself triggers on a slope (usually 30-45 degrees), the debris can travel a great distance onto flat ground. These flat areas at the bottom of slopes are known as "runout zones" and can be dangerous "terrain traps" where snow piles up very deep.

Does wearing an avalanche airbag guarantee survival? No, while an airbag significantly increases your chances of staying on the surface, it does not provide 100% protection. You can still be buried by snow coming from above, or suffer fatal trauma from being carried into trees or over cliffs.