iTemblor

Shake A Quake

Published by: Jess Taylor
Downloads
Revenue

Description

Use iTemblor to explore the relationship between acceleration you impart on your phone and earthquake shaking intensity, based on the Modified Mercalli Intensity (MMI) scale.
While the familiar Richter earthquake magnitude relationship (and others) scale with recorded ground movement, the MMI scale is a qualitative or observational scale of earthquake shaking intensity developed for comparing earthquake effects in locations where there are no seismographs.
The Seismoscope View - The seismoscope is one of the oldest earthquake measurement devices, dating back to ancient China, and records the intensity and direction of shaking in the horizontal plane. In the spirit of the seismoscope, it’s most accurate to use this view by placing your phone on a flat surface (or hold it roughly horizontal) and to shake it horizontally. The movements you impart, plotted in 2D, are measured as acceleration in time which is then converted into MMI values using an empirical relationship between ground acceleration and MMI shaking intensity (Richter, 1958, Western United States).
The Time Series View - The time series view is a traditional seismogram view that plots the accelerations you impart to your phone in 3 dimensions (x, y and z axes). You will see two traces for each axis, orange and green. The orange represents the raw acceleration data with the effects of gravity removed. The green represents the same data after the application of a low pass filter. The low pass filter is used to dampen your input to stay approximately within the frequency bandwidth of large earthquakes. The continuous time series is approximately 10 seconds long and is plotted in units of % gravity (G)
The Data - iTemblor records the accelerations you impart onto your device and subtracts the effect of gravity. Then, a low pass filter is applied to constrain the recordings to stay within the bandwidth of large earthquakes (less than 10 hertz). The seismoscope view displays the fully filtered signal (equivalent to the green trace in the time series view). The time series view displays two traces. Both have gravity removed. The green trace has been low pass filtered (as described) and the orange trace has not.
iTemblor is designed to provide fun and interesting correlations between the accelerations you impart on your iPhone through shaking and earthquake intensity. Efforts have been made to create generalized and realistic representations using published empirical data.
Earthquakes are very complex and variable processes, therefore, iTemblor results should be viewed as approximate at best and be used for educational and entertainment purposes only.
Hide Show More...

Screenshots

iTemblor FAQ

  • Is iTemblor free?

    Yes, iTemblor is completely free and it doesn't have any in-app purchases or subscriptions.

  • Is iTemblor legit?

    Not enough reviews to make a reliable assessment. The app needs more user feedback.

    Thanks for the vote

  • How much does iTemblor cost?

    iTemblor is free.

  • What is iTemblor revenue?

    To get estimated revenue of iTemblor app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.

User Rating
App is not rated in Kuwait yet.
Ratings History

iTemblor Reviews

Interessante Essenziale Preciso

Sirpamex on

Italy

Due soldi spesi bene

Store Rankings

Ranking History
App Ranking History not available yet
Category Rankings
App is not ranked yet

iTemblor Competitors

Name
Units Converters.
60 Categories with 1327 Units
DataX Earthquake
Earthquake tracking
ODE-Solver-Integrator Pro
Integrate Solve Simulate Graph
WaveAdd
Nomad Geologist
PresDatabase
US Presidential Election DB
Quantum Wave in a Box
GMDE Lite
Chocorua Map
ODE-Solver-Integrator
Integrate Solve Simulate Graph

iTemblor Installs

Last 30 days

iTemblor Revenue

Last 30 days

iTemblor Revenue and Downloads

Gain valuable insights into iTemblor performance with our analytics.
Sign up now to access downloads, revenue, and more.

App Info

Category
Education
Publisher
Jess Taylor
Languages
English
Recent release
2.1.4 (3 weeks ago )
Released on
Mar 26, 2009 (15 years ago )
Last Updated
2 months ago
This page includes copyrighted content from third parties, shared solely for commentary and research in accordance with fair use under applicable copyright laws. All trademarks, including product, service, and company names or logos, remain the property of their respective owners. Their use here falls under nominative fair use as outlined by trademark laws and does not suggest any affiliation with or endorsement by the trademark holders.