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Prepping for an earthquake (Part 1): Securing your home

By The SHTF App Team

The insurance adjuster who walked through earthquake-damaged homes had a phrase he repeated until his retirement: “The building didn’t do this. Gravity did.” He would walk past cracked plaster straight to the fallen bookshelf, the shattered china, the water heater lying across the garage floor with its gas line torn. The owners kept saying the earthquake hit them. He kept shaking his head. Their own furniture had been waiting in ambush for years, and nobody had ever bolted it down.

When we imagine earthquakes, we picture crumbling buildings and cracked highways. But in developed nations with modern building codes, the vast majority of injuries do not come from the roof collapsing. They come from your own stuff attacking you.

Caution: Gravity is the enemy. In a 6.0+ magnitude quake, your 50-inch TV becomes a projectile. Your grandmother’s china cabinet becomes a crushing weight. Your water heater becomes a 400-pound bomb that can sever gas lines and flood your home. “Non-Structural Mitigation” is just a fancy way of saying “bolting things down.” It is cheap, effective, and entirely within your control. By securing your space, you transform your home from a potential weapon into a sanctuary. This is Part 1 of the earthquake series.

Disclaimer: The information provided in this article is for general informational and educational purposes only. It is not intended as, and should not be considered, professional or architectural advice. Always consult a structural engineer for specific guidance on your property.

The Readiness Audit

Look around the room you are sitting in. If the room flipped 45 degrees, what would hit you?

  • Green: Your tall bookcases are anchored to studs with L-brackets. Your water heater has double metal straps. You use museum wax on your collectibles.
  • Yellow: You have a “tipping restraint” on the dresser in the baby’s room, but your 60-inch TV is just sitting on its stand leg.
  • Red: Nothing is secured. You have heavy mirrors hanging over the bed and glass vases on high shelves.

If you are Yellow or Red, execute Phase 1 immediately.

Phase 1: The Heavy Hitters (Furniture & Appliances)

Goal: Prevent crushing injuries and blocked exits.

1. The “Tall & Heavy” Rule

  • The Target: any piece of furniture taller than it is wide (bookshelves, armoires, china cabinets).
  • The Fix: L-brackets or nylon straps.
  • The Technique: do not just screw into the drywall, the drywall will rip. You must find the stud. Use a stud finder. Screw one end of the bracket into the top of the furniture and the other into the wall stud.
  • Rental hack: if you cannot drill large holes, look for “No-Drill” furniture straps that use high-bond adhesives, though bolting is always superior.

2. The Water Heater (The Bomb)

  • The Threat: this is the most dangerous object in your house in an earthquake. If it tips, it snaps the gas line (fire) and the water line (flood).
  • The Fix, double strapping:
    • use heavy-gauge metal strapping (plumber’s tape is often too weak, buy a specific seismic kit)
    • place one strap on the top third and one on the bottom third
    • anchor the straps to the wall studs behind the tank

The Takeaway: If it is taller than it is wide, it gets a bracket into a stud, and the water heater gets two straps because it is the bomb in the garage.

Phase 2: The Sharps (Glass & Kitchen)

Goal: Prevent the floor from becoming a minefield of broken glass.

1. Mirrors and Art

  • The Threat: heavy frames jumping off hooks and shattering.
  • The Fix: closed-loop hooks. Replace standard “J” hooks (where the wire rests in an open curve) with closed eye-hooks or security hardware that locks the wire in place.
  • Bed rule: never hang a heavy mirror or glass-framed art directly above the headboard. If it falls while you sleep, it is catastrophic.

2. The Kitchen Cabinet Projectile

  • The Threat: shaking causes cabinet doors to swing open, launching heavy plates, glasses, and canned goods across the kitchen.
  • The Fix, positive latching catches:
    • these are mechanical latches (often used for child safety) that require you to press or pull to open the door. Magnetic catches are not strong enough for an earthquake.
    • Priority: start with the cabinets containing glass and heavy cookware.

The Takeaway: Glass above the bed and unlatched kitchen cabinets are the two most preventable injuries in the house, and both fixes cost less than a pizza night.

Phase 3: The Electronics & Valuables

Goal: Protect expensive gear and sentimental items.

1. The Flat Screen

  • The Fix: even if it is on a stand, anchor it. Use anti-tip TV straps that bolt into the VESA mount holes on the back of the TV and connect to the wall or the furniture stand.

2. The “Museum Wax” Trick

  • The Fix: for vases, collectibles, and lamps sitting on tables, use Quakehold! or museum wax. A small pea-sized ball under the object secures it surprisingly well against sliding and toppling, yet allows you to move it if you twist firmly.

The Takeaway: The TV rides on its VESA holes and the heirlooms sit on wax, which is cheaper than either of them losing an argument with gravity.

The Essential Kit Checklist

  • The hardware: a box of 2-inch L-brackets and wood screws.
  • The finder: a reliable electronic stud finder.
  • The straps: a specific “Water Heater Seismic Strap Kit.”
  • The wax: a jar of clear museum wax for shelf items.
  • The latches: push-latches for all upper kitchen cabinets.

Scenario Planner (Contingencies)

“I rent and the landlord forbids drilling.” The trap: leaving everything unsecured because you cannot anchor into studs. The fix: the no-drill stack, adhesive high-bond straps for furniture, museum wax under everything on shelves, and positive latches that mount with adhesive strips. Bolting is superior, but the no-drill stack beats bare furniture every time.

“The water heater is in an exterior closet I never open.” The trap: assuming it is fine because it has never moved. The fix: the double-strap audit, open the closet this weekend, look for two straps into studs, and if they are missing, install a seismic strap kit before the next shaker.

Next Steps

  1. Do the 45-degree test room by room tonight. Stand in the doorway, imagine the room tipped, and list what lands where you sleep or sit.
  2. Anchor the water heater first. It is the one object in the house that can cause both a fire and a flood in a single tip.
  3. Read Part 2: The 10-second drill next, because once the furniture is anchored, the remaining variable is what your body does in the first ten seconds.

Originally adapted from public FEMA and USGS earthquake-mitigation guidance (public domain).