Earthquake Alarm Sound | Effect

| Parameter | Recommendation | | :--- | :--- | | | WAV (uncompressed) or high-bitrate MP3 (320kbps) | | Sample Rate | 44.1 kHz or 48 kHz | | Bit Depth | 24-bit (for dynamic range) | | RMS Level | -6 dB to -3 dB (very loud, compressed) | | Typical Pattern | 4 short pulses (0.2 sec on, 0.1 sec off) + 1 sec silence | | Overtones | Add a 2nd harmonic at 2.4 kHz to mimic real emergency speakers | | Loop Points | Set seamless loop at the pause interval |

for your emergency preparedness video. But remember: Only use it in drills, not pranks. 🙏 earthquake alarm sound effect

This is a realistic Earthquake Early Warning (EEW) sound effect , modeled after systems used in Japan, Mexico, and the U.S. West Coast. Unlike a standard fire alarm, this tone is designed to cut through noise and signal immediate "drop, cover, and hold on." | Parameter | Recommendation | | :--- |