OT-PROPHET.filter - rsv thunders:

rsv@Revelation:10:3 @ and called out with a loud voice, like a lion roaring; when he called out, the seven thunders sounded.

rsv@Revelation:10:4 @ And when the seven thunders had sounded, I was about to write, but I heard a voice from heaven saying, "Seal up what the seven thunders have said, and do not write it down."