Forget the "Triangle of Life" — The Three Moves That Actually Save Lives in an Earthquake

Earthquakes are part of daily life in Taiwan. We feel small tremors all the time, and history has handed us two devastating reminders: the 1935 Hsinchu–Taichung (Guandaoshan) earthquake and the 921 earthquake of 1999, each of which claimed more than a thousand lives. So the question is worth asking again — why does Taiwan experience so many earthquakes?

Sitting on a Plate Boundary

Taiwan's geography is unusual. The island sits right where the Philippine Sea Plate and the Eurasian Plate meet. As these plates grind against each other, friction holds them in place while energy builds up — much like two bricks pressed together, motionless until the pressure overcomes the grip. When the stress finally exceeds what the rock can bear, the plates slip or collide in a single violent release, and the ground shakes. This is the main driver behind Taiwan's largest earthquakes.

The Okinawa Trough Expansion

A second major source of seismic activity affects northeastern Taiwan. Running from the upper reaches of the Lanyang River, through Yilan, and northeast toward the Ryukyu Islands, the Okinawa Trough is actively widening. This expansion produces shallow-focus earthquakes and brings geothermal and volcanic activity along with it.

Because Taiwan is so seismically active, information about earthquakes spreads fast — through official government alerts as well as advice passed between neighbors, family members, and online communities. One piece of that folk advice spread especially widely: the so-called "Triangle of Life."

Where Did the "Triangle of Life" Come From — And Why Is It Wrong?

Before we get to what you should do in an earthquake, it's worth unpacking a popular piece of advice that turned out to be misleading. Knowing why it's wrong helps you spot bad information the next time it shows up in a group chat.

The "Triangle of Life"

The Triangle of Life was proposed in 1985 by Doug Copp, then disaster manager at the American Rescue Team International. After the 921 earthquake in 1999, the theory spread aggressively in Taiwan. The idea: when an earthquake hits, you should crouch next to a table or large piece of furniture rather than under it, so that if the ceiling or a beam falls, it will lean against the furniture and leave a triangular survival space beside you.

On the surface it sounds logical, and that's part of why it spread. But there is no solid evidence to support it. Buildings collapse in unpredictable ways — the imagined triangle may never form, or it may form on the wrong side. More importantly, the theory ignores the most common cause of injury in earthquakes: falling objects and toppling heavy furniture. Crouching beside a table or bed leaves your body exposed to exactly those hazards. Getting under a sturdy table or bed gives you far better odds.

What You Should Actually Do — "Drop, Cover, Hold On"

Taiwan's National Fire Agency, under the Ministry of the Interior, recommends three simple actions known as DCH: Drop, Cover, Hold On.

Drop

As soon as you feel the shaking grow stronger, drop to the floor immediately. Get low, lower your head, and cover the back of your head and neck with your hands so falling debris can't strike you directly.

Cover

Look for a sturdy table or the space under a bed and get under it. If nothing is within reach, move to an interior corner or beside a structural column, keeping your hands over your head and neck.

Hold On

Get into a kneeling position, grip a leg of the table to keep it from sliding away from you, and keep your other hand protecting your head and neck. Stay there until the shaking eases. If you were cooking when the shaking began, wait until it calms down before moving carefully to turn off the stove.

If during the shaking you notice the building is suffering serious structural damage, grab your prepared emergency kit and evacuate. Otherwise, stay inside and wait for the tremors to stop.

Preparing Before the Next Earthquake

When disaster strikes without warning, the mind tends to go blank — and that panic often leads to irrational decisions that reduce your chances of survival. The way to avoid that is preparation, well before any shaking begins.

Walk through your home and check: are your tables and beds sturdy enough to take cover under? Is there clear space beneath them? Have you actually practiced Drop, Cover, Hold On with your family, so it becomes second nature? And do you have an emergency kit packed with the essentials you'd need to get through the first 24 hours?

The people who stay calm in an earthquake are almost always the people who prepared in advance. Preparation is what turns panic into the right action — and the right action is what carries you safely to the other side.