Encara no tenim significats per a "follow instantaneously".
1A lumbering crash followed instantaneously, shaking the building to its very foundation.
2A lumbering crash followed instantaneously that made the building shake to its foundation.
3A broad flash of fire rose round the tower followed instantaneously by two heavy explosions.
4I did not see him, and he struck me a violent blow in the face, followed instantaneously by another blow.
5The vault above became obscured, lightning flashed from the heavy masses, followed instantaneously by crashing thunder; then the big rain fell.
6As he came in there was a vivid flash of lightning, followed instantaneously by a crashing, splitting noise, like that of universes ripped asunder.