Spot the errors in the given statements and correct them.
Earthquakes is the displacement of the water below the earth's crust which causes the grout to shake or vibrate.

Explanation

To correct the given statement, we need to identify the errors and provide the correct information.

### Step-by-Step Solution:

1. **Identify the Subject**: The statement discusses earthquakes, which are natural phenomena related to the movement of the Earth's crust.

2. **Spot the Errors**:
- The term "Earthquakes" should be singular, "An earthquake," as it refers to a specific event.
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