alarmとalertの違いが気になった。
John Kinory
Local time: 01:45
In current usage, an alert is usually less serious than an alarm.
TBQGS
alert - watchful and prompt to meet danger or emergency, quick to perceive and act.
Chris Rowson
Alert = make aware
Alarm = signal danger
色々意見があるが、alarmの方がseriousなのだろう。