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Seismograph: Quake Detector

Utilities

Free

Seismograph: Quake Detector

by Kyu-Hee Jang

5.0 (2) v1.0.12 50 MB Universal 17+

Description

Seismograph+ records vibration waveforms in real time using your iPhone's accelerometer, just like a professional seismograph. View 3-axis simultaneous waveforms with Richter and Mercalli scale estimation.

Automatic event detection captures vibration spikes with timestamps, while waveform recording lets you save and export data for analysis.

Key Features:
- Real-time 3-axis seismograph waveform
- Richter + Mercalli (MMI) scale display
- Automatic vibration event detection
- Waveform recording and playback
- CSV data export
- 3 sensitivity levels (micro/normal/strong)
- Vibration alert notifications

Perfect for earthquake monitoring, construction vibration tracking, floor vibration recording, and physics education.

What's new (v1.0.12)

NEW: Event recording log — vibration events are captured automatically with timestamp, magnitude and waveform, ready to review and export.
- Performance and stability improvements