The MGS online helicorder presents seismic data for an entire day. Each line of data on the record is a 15 minute recording of earth movements. The lines, or traces, alternate in color to make them easier to read.Typically, the traces are fairly flat, with only a small amount of waviness: (click here for an example).he seismograph's day begins at midnight, UTC time, which is 19:00 EST (7:00 p.m.). The helicorder records are near real-time. There is a 5 minute delay from the time the data are transmitted from the seismometer to the time they are displayed on the Internet. The delay is due to data transmission and processing.
Other medical conditions that can create ringing in your ears include: 1  age-related hearing loss. 2  muscle spasms in your middle ear. 3  Meniereâs disease (an inner ear condition that affects hearing and balance). 4  temperomandibular joint disorders that cause chronic pain in your jaw and head. 5  head and neck injuries.
Nearly 12 million Americans suffer from tinnitus, ringing in the ears that can stop and start or continue non-stop. In addition to ringing the sound can resemble a roar, squeal, whine, buzz, click, hiss, or hum and can affect one ear or both.