Can Earthquakes Be Predicted? The Honest Answer
Short version: no one can predict a specific quake. But forecasting probabilities and early warning are real and useful.
It is the question every seismologist gets at parties, and the honest answer disappoints people who want certainty. No method reliably predicts the date, time, place, and size of a specific earthquake. Anyone claiming otherwise is selling something.
Prediction versus forecasting
There is a crucial difference. Prediction means naming when and where a specific quake will strike, which science cannot do. Forecasting means estimating the probability of quakes in a region over a span of years, which science does well. The USGS can tell you California has a greater than 99% chance of a magnitude 6.7 or larger within 30 years. That is a forecast, and it shapes building codes and insurance, but it cannot tell you to evacuate next Tuesday.
Why prediction is so hard
Earthquakes start kilometers underground in rock we cannot directly observe. The same fault can stay quiet for centuries, then rupture without any reliable surface signal beforehand. Decades of searching for precursors, from radon gas to animal behavior to electromagnetic signals, have produced nothing that works consistently across events.
Early warning is different and real
Earthquake early warning systems, like ShakeAlert on the US West Coast and Japan's national system, are often confused with prediction. They are not predicting anything. They detect a quake that has already started and race a warning ahead of the shaking, because electronic signals travel faster than seismic waves. That can mean seconds to tens of seconds of notice, enough to stop trains, open firehouse doors, and drop and cover.
What this means for a tracker
A live feed shows confirmed events, not forecasts of future ones. Its value is awareness: seeing where activity concentrates, understanding your region's baseline, and recognizing an aftershock sequence when it appears. Treat any source promising to predict the next big one with deep suspicion, and put your trust in preparation instead.