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JDS

JDS c-88quake Earthquake Alarm

    • Based on 295 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Nov 26
Order within 3 hours and 53 minutes
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Features

  • Polyester
  • Imported
  • Provides early warning by detecting an earthquake's sound wave before the earthquake's destructive shear wave strikes your area.
  • Fully adjustable sensitivity setting.
  • Automatically resets and shuts off alarm when earthquake stops.
  • Mounts easily to wall. No screws, nails or tools required.
  • Loud distinctive alarm to wake you up.

Description

The Quake Alarm is designed to provide instant warning of seismic activity by detecting the "P" wave (compression wave) of an earthquake, which travels faster than the more destructive "S" wave (shear wave). The Quake Alarm saves valuable seconds by removing the guesswork in earthquake detection. It is capable of detecting large earthquakes that occur hundreds of miles away and can detect moderate to minor earthquakes for many miles around your local area. One very important advantage of the Quake Alarm is that it can wake you up and alert you the moment the quake starts so that you can immediately take cover or tend to other family members. The human mind relies upon the sensations from the inner ear combined with the sense of sight to determine the sensation of motion the body is undergoing at the time that an earthquake starts. Disorientation, known as vertigo, can cause people to become confused and instinctively freeze for many seconds during the onset of an earthquake. Sound also plays a part in earthquake detection and by itself can be misleading. The sound of a slamming garage door or the low rumble of a large truck has startled many people into falsely thinking that they are about to experience an earthquake. The Quake Alarm can eliminate confusion, save valuable seconds and provide peace of mind.

Brand: JDS


Power Source: Battery Powered


Alarm: Audible


Material: Plastic


Manufacturer: ‎Earthquakestore.com


Part Number: ‎QA-2000


Item Weight: ‎8.4 ounces


Product Dimensions: ‎2 x 5 x 7 inches


Item model number: ‎c-88quake


Is Discontinued By Manufacturer: ‎No


Material: ‎Plastic


Power Source: ‎Battery Powered


Item Package Quantity: ‎1


Batteries Included?: ‎No


Batteries Required?: ‎Yes


Date First Available: August 10, 2008


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • It actually works!
This Earthquake Alarm is very reliable once you install it properly. Yes, it requires calibration, and it will take some time to get it working fine, specially if you are not in an active seismic zone. I have installed it in México City, and after a month I have detected quakes located as far as El Salvador. The alarm generates a loud but not annoying sound. Since it works using a pendulum located inside a triangle acting as a limit that when touched it will sound. This alarm detects the p-waves which travel faster than the destructive s-waves, thus this alarm will sound before the quake and sometimes you will not even feel it because it is so far or too weak. How many seconds before, depends on how near or far you are from the epicenter. Mexico city is a seismic area and the idea was to detect those quakes at 250 miles away where the faults are located, right in the pacific ocean or in Oaxaca. We also have the Popocatepetl Volcano and so far there has been no activity there, so I still have to wait for some activity. You will learn how far or how strong a quake is by the way it sounds, and you can act accordingly. For instance, a quake located at El Salvador (1000 miles away and magnitude 7) will only do a couple of pings in a one second period, while one located at 300 miles at magnitude 5 will sound with some long and short pings during period of 6 seconds. I guess that a magnitude 7 in such area will generate a steady sound for at least 10 seconds. Since almost every day makes a sound, my family try to guess how far and how strong the quake is. A quake is no fun, but science is as we are learning how the earth works and how events that are located very far affect where we live. With this device there are really no false alarms, you may jump next to the alarm and it will simply stay quiet, even though I have set it to be very sensitive (locating the pendulum very close to the triangle). To verify everything I have subscribed to the earthquake notification service at [...] via email and that way you can receive the quake information promptly and associate the pings in your alarm to the magnitude of the quake. Now when it sounds, I take note of the hour and the sound generated by the alarm, after that I usually receive an email in a few minutes with the details. This is a must if you live in seismic active zone, like California, or Chile. Knowing in advance that a quake is coming could save your life. The bad news is that if you live right at the epicenter or where a fault is, there is no enough time to get a warning. The pendulum works by moving at the presence of p-waves, specially those coming from the sides than below. <spanish>Si vives o trabajas en la Col. Roma o en el Centro de la ciudad y especialmente en algún edificio, no lo pienses, este aparato es para ti</spanish> ... show more
Reviewed in the United States on September 3, 2012 by M Fragoso
    • Nice one!
Really works, alarm woke us up at the beginning of vibrations. Advise everyone to purchase it if you are in an earthquake-prone area.
Reviewed in the United States on February 28, 2024 by Ruslan
    • It can give you precious seconds of warning to take shelter
This alarm is simple in design with little to go wrong. It works very well, detecting the P waves of an earthquake that race ahead of the damaging S waves, giving you seconds of early warning to take cover. The further away the epicenter of the quake, the more warning time you receive. The alarm sound is very distinct, so it breaks through the ‘this can’t be happening’ mental fog so you can take cover sooner. The unit doesn’t use any power from the 9 volt battery unless it is alarming, so the battery will last for two years or more. It has adjustable sensitivity so you can tune out minor quakes while still allowing warning alarms for important quakes. Don’t let the low price turn you off - this is a well made unit that uses a simple mechanism to reliably detect the early warning P waves of earthquakes. Some years ago I had one of these in my home in Georgia. I was awakened about 5am by the alarm pinging, but the earthquake shaking never came...the epicenter of the quake was more than 170 miles away in Tennessee! ... show more
Reviewed in the United States on November 9, 2018 by Dab Ud
    • Simpler build than expected
I was disappointed to see the device is built like a toy. It has a cheap plastic case, metal bar that swings back and forth, and Velcro for attaching to your wall. I was hoping for a little better construction. Definitely would have expected a better way to attach this to a wall than to use Velcro. I stuck it to my dining room wall and it appeared firmly attached. Several months later I'm awaken by high pitch noise and come to find that the glue on both Velcro strips has detached itself from the wall. Since there are no holes for attaching with screws, I'm going to drill my own hole inside the top battery location and screw this to the wall. If this ever does give an early detection of a quake, I'll increase the number of stars. Update 9/16/12: No earthquake to test it yet, which I'm glad to say! I agree with the comment about the design being built to carry out it's function with the fewest parts and simple layout. There is less chance this kind of system will fail when the day comes that I need it to work. I was able to stick it to a wall using double sided tape and it hasn't fallen since. I added one more star to the review and changed the review title. I'll definitely increase the number of stars after I see it work. ... show more
Reviewed in the United States on November 5, 2010 by Jeffpb

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