initial response; first action
Used for the earliest actions taken in response to a crisis, disaster, or important event. Often appears in news and emergency contexts.
preliminary tremor; initial shock
Specifically refers to the first detectable seismic wave or tremor before the main earthquake. Technical term used in seismology.
The initial response after an earthquake determines the scale of the damage.
The police's initial investigation was key to solving the case.
The location of the epicenter is estimated from the waveform of the preliminary tremor.
initial response; first response
initial response; first response
initial investigation (by police)
Compound of 初 (first) and 動 (movement). The exact historical derivation is uncertain, but the word is a modern coinage likely from technical or journalistic usage.