foreshock

There was a major foreshock on 15 March of that year.

A foreshock preceded the main event by a few minutes.

"Of course, that means there's an 85 percent chance it is not a foreshock," she said.

We just had a major earthquake in the ocean, and it might be only a foreshock.

It was preceded by a strong foreshock on 20 October.

The earthquake was preceded by a small foreshock on the evening of 7 September.

He said the quake had a foreshock followed by three strong shocks.

There had been a foreshock on the ninth, which probably was Lieserl trying it out.

This earthquake was preceded by a damaging foreshock on January 9.

There was a foreshock of magnitude M 5.8 at 17:06 local time, minutes before the main shock.

A strong foreshock preceded the mainshock by about 20 to 25 seconds.

He had good reason to believe that it was a foreshock, precursor to an event of far greater magnitude.

The mainshock was preceded by a magnitude 5.1 foreshock ten hours earlier.

"Some increased activity after the period of dilation or a foreshock would be nice.

The quake followed several minor quakes earlier in the day, including a 4.7 magnitude foreshock.

A 30-second tremor with a lesser foreshock shook the area on Oct. 19, 1985.

"The trouble is, we don't know that an earthquake is a foreshock until after the main shock follows."

Only a few deaths were recorded due to the earthquake, reportedly because a strong foreshock had caused people to leave their homes.

At least one individual reported foreshock times that varied by as much as half an hour when speaking to two different newspapers.

It followed by about three hours a foreshock of 3.6 magnitidue that was quite noticeable near the epicenter.

An aftershock is the opposite of a foreshock, which a small earthquake comes before the large earthquake.

It could be a foreshock, right?

The designation of an earthquake as foreshock, mainshock or aftershock is only possible after the event.

What is the probability that an earthquake is a foreshock to a larger earthquake?

"I think I just felt another foreshock."