195k views
1 vote
Small foreshocks that precede a major earthquake can occur

User Sivakanesh
by
8.0k points

2 Answers

6 votes

Answer:

days and year before

Step-by-step explanation:

7 votes
Foreshocks may occur days, or even years, before the actual major earthquake itself.
Foreshocks are detected in almost half of all moderate to large earthquakes, and they are detected in over 70% of earthquakes that are above 7.0 in magnitude on the Richter scale. Foreshocks then lead to the main shock, which may be followed by after shocks, depending on the strength of the main shock.
User Cramhead
by
7.9k points

Related questions

asked Mar 23, 2019 142k views
Tod Thomson asked Mar 23, 2019
by Tod Thomson
7.9k points
2 answers
1 vote
142k views
asked Nov 21, 2020 61.3k views
Esterlin asked Nov 21, 2020
by Esterlin
7.2k points
1 answer
4 votes
61.3k views