State whether the following statements are true or false :
An earthquake is measured and recorded by using an instrument called electrocardiograph.

Explanation

To determine whether the statement "An earthquake is measured and recorded by using an instrument called electrocardiograph" is true or false, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Instrument in Question**: The statement mentions the electrocardiograph (ECG) as the instrument used to measure earthquakes.

2. **Understand the Function of the Electrocardiograph**: The electrocardiograph is a medical device that records the electrical activity of the heart. It is used to monitor heart conditions and is not related to geological measurements.

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