Task: Translation
Input (Japanese): 海底地震が検知された後、米国と日本の機関は警告通知を発行したが、政府はその速報を沿岸地域に伝達できなかったと認めた。
Output (English): After the underwater earthquake was detected, US and Japanese agencies issued warning notices, but the government has admitted it was unable to transmit the bulletins to coastal areas.