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major earthquake; large earthquake

major earthquake; large earthquake

seismograph; seismometer

① 非常に大きい地震。② マグニチュード８以上の地震。

submarine earthquake

seismology

earthquake prediction

precautions against earthquake; anti-earthquake measures; antiearthquake procedures; earthquake countermeasures

near-field earthquake; local earthquake, esp. with a shallow focus directly under a populated area

Earthquake Early Warning; EEW

① 地震により発生し、地球内部を伝搬する弾性波動。

① 地震学を研究する科学者。

① 地震によって引き起こされる地表（地面）の揺れ（振動）。

① 地球上で、地震が特に多発する細長い帯状の地域。

swarm earthquakes

offshore earthquake

artificial earthquake

things to fear: earthquakes, thunder, fires and, most of all, fathers

seismic observation

earthquake insurance

Tokai earthquake (e.g. of 1498, 1605, 1707 and 1854)

volcanic earthquake

earthquake fault

① 人間が揺れを感じることができる地震。気象庁震度階級において、震度1以上の地震がこれにあたる。

tsunami (caused by an earthquake)

① 《地震学》マグニチュード３以上５未満の地震。

earthquake information

Tokyo near-field earthquake; large-scale earthquake expected to directly hit the Kanto area sometime in the future; also refers to the 1855 and 1894 Edo/Tokyo earthquakes

Nankai megathrust earthquake

① 《地震学》マグニチュード５以上７未満の地震。

1946 Nankaido earthquake

seismic mineral exploration

seismic part (zone, belt)

slow earthquake; low-frequency earthquake; silent earthquake

tectonic earthquake

dislocation earthquake; fault earthquake

① 《地震学》マグニチュード１以上３未満の地震。

① 人間が揺れを感じることはないが、地震計には記録される地震。気象庁震度階級において、震度0の地震がこれにあたる。

seismic network; seismic array

seismogram

seismic gap

earthquake engineering

earthquake precursor

① 地震の規模（マグニチュード）の割に、大きな津波を発生させる地震。

seismic moment

Sanriku earthquake of 869 CE

1707 Hōei earthquake

outer-rise earthquake; earthquake in the region seaward of a deep-sea trench

slow earthquake

low-frequency earthquake

slow earthquake

distant earthquake; teleseismic earthquake; teleseism