メガ地震注意
mega jishin chuinoun phrase★Intermediate— megaquake alert
technical
A warning system for extremely large earthquakes (magnitude 8.0 or higher) that may cause widespread destruction.
政府はメガ地震注意を強化し、国民の防災意識を高めるためのキャンペーンを実施した。
The government strengthened the megaquake alert system and launched a campaign to raise public disaster awareness.
💡
This system is part of Japan's comprehensive earthquake early warning (EEW) infrastructure.
Collocations
メガ地震注意が発令されるa megaquake alert is issuedメガ地震注意に備えるto prepare for a megaquake alert
Related Phrases
💡Pro Tip
Technical Context
This term is specific to Japan's disaster management systems and may not be used in other countries.
⚡Gold Rule
Accuracy
Always use this term in formal contexts when referring to official earthquake warnings.
📖Word Origin
Combination of 'mega' (from English) + '地震注意' (earthquake alert)
📝Usage Notes
Primarily used in technical and governmental contexts related to disaster preparedness.
Word Breakdown
メガ
mega (from English)
prefix地震
earthquake
root注意
alert/warning
suffix和英辞典