What is the meaning of 65438+ 10/9 air defense alarm?

Every city sounds the air defense alarm on a different date. The air defense alarm and air raid alarm sounded to warn citizens to be prepared for danger in times of peace. In order to enhance the awareness of national air defense and disaster prevention, the public should be warned not to forget national humiliation.

1. Early warning: it sounds for 36 seconds, stops for 24 seconds, and repeats three times as a cycle, with a time of three minutes. Citizens immediately stop all work, turn off the power supply at home, turn off the gas, put out the fire, close the doors and windows, carry valid documents, daily necessities and protective equipment, and quickly evacuate to nearby underground air defense bunkers, civil air defense projects and air-raid shelters.

2. Air raid alarm: sound for 6 seconds and stop for 6 seconds, and repeat 15 times as a cycle, lasting for 3 minutes. Unable to enter underground air defense bunkers, civil air defense projects, and air-raid shelters, citizens used the terrain and landforms to escape nearby, kneeling on the ground with their hands on their heads.

3. Disarm the alarm: If the alarm is sounded continuously for 3 minutes, citizens can leave underground air defense bunkers, civil air defense works and air defense shelters and return to normal work.