noun
killer pulse
Geology term for a short, severe earthquake pulse that can cause disproportionate damage. Wasei-eigo; not a standard English term.
wasei-eigo (Japanese-coined English)
キラーパルスは、短い時間に大きな揺れをもたらす地震動の一種だ。
A killer pulse is a type of seismic motion that brings strong shaking in a short time.
Variant with interpunct; less common but still seen in technical writing.
Wasei-eigo from English 'killer' + 'pulse', referring to a short, destructive earthquake pulse. Not a standard English geological term.