Definition

1. Noun:
   • Seismometer: A scientific instrument that detects, measures, and records the vibrations of the ground caused by seismic waves from events such as earthquakes, volcanic eruptions, or explosions.

Usage Examples

• Noun:
  • Các nhà khoa học sử dụng địa chấn kế để theo dõi hoạt động địa chấn. (Scientists use a seismometer to monitor seismic activity.)
  • Một mạng lưới địa chấn kế đã ghi nhận trận động đất. (A network of seismometers recorded the earthquake.)

Advanced Usage

• In modern seismology, a seismometer is often part of a complete seismograph system, which includes the sensor (seismometer) and a recording device.
• Broadband seismometers are highly sensitive instruments capable of detecting a wide range of ground motions, from very subtle to very strong.

Variants and Related Words

• Máy đo địa chấn: Another Vietnamese term for seismometer.
• Seismograph (n): The entire system for detecting and recording seismic waves.
• Seismology (n): The scientific study of earthquakes and the propagation of elastic waves through the Earth.

Synonyms

• Seismoscope (an older, simpler device that indicates an earthquake occurred but does not necessarily record its details).
• Earthquake detector.

Related Terms

• Địa chấn (n): Seism; pertaining to earth vibrations or earthquakes.
• Tâm chấn (n): Epicenter; the point on the Earth's surface directly above the focus of an earthquake.
• Sóng địa chấn (n): Seismic waves.

1. Seismometer