地震仪是一种监视地震的发生，记录地震相关参数的仪器。世界上第一台地震仪是中国东汉时代的科学家张衡发明的候風地動儀。但此地震仪与现今各国使用的地震仪不同，只能称之为“验震器”。

另請參見

• 加速規、英厄·萊曼、板塊構造論、芮氏地震規模、震動圖

外部連結

• The history of early seismometers
• Link to live Seismic Drum at Geonet's Mangatainoka River station in New Zealand
• The Lehman amateur seismograph, from Scientific American- not designed for calibrated measurement.
• Sean Morrisey's professional design of an amateur teleseismograph Also see Keith Payea's version Both accessed 2010-9-29 Morrissey was a professional seismographic instrument engineer. This superior design uses a zero-length spring to achieve a 60-second period, active feedback and a uniquely convenient variable reluctance differential transducer, with parts scavenged from a hardware store. The frequency transform is carefully designed, unlike most amateur instruments. Morrisey is deceased, but the site remains up as a public service.
• USGS evaluation of Streckheisen STS-2 Seismometer models- Streckheisen is a common make of research seismometers
• Pacific Northwest Seismograph Network-PNSN is a seimograph network in the northwest USA
• SeisMac is a free tool for recent Macintosh laptop computers that implements a real-time three-axis seismograph.
• The Incorporated Research Institutions for Seismology (IRIS) is a principal U.S. seismological instrumentation and data facility, principally supported by the National Science Foundation and the U.S. Department of Energy.
• The Development Of Very-Broad-Band Seismography: Quanterra And The Iris Collaboration discusses the history of development of the primary technology in global earthquake research.
• Video of seismograph at Hawaiian Volcano Observatory - on Flickr - retrieved on 2009-06-15.
• Seismoscope - Research References 2012
• Iris EDU - How Does A Seismometer Work?