Common causes of false alarms are small earthquakes, vibrations caused by low-flying aircraft or bushes blown by the wind, heavy rain or hail, and rapidly flowing water.
(Common causes of false alarms; are; small earthquakes) (vibrations; caused; by low-flying aircraft or bushes blown by the wind, heavy rain or hail, and rapidly flowing water) (bushes; blown; by the wind)
Common causes of false alarms vibrations bushes
are caused blown
small earthquakes
by low-flying aircraft or bushes blown by the wind, heavy rain or hail, and rapidly flowing water
by the wind