| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Earthquake swarm | Environment | A sequence of many small earthquakes (10's to 1000's), all of similar size ( | |
| Earthquake swarm | Geography | Series of minor earthquakes, none of which may be identified as the main shock, occurring in a limited area and time. Source: European Union. (references) | |
| Earthquake swarm | Geology | A series of minor earthquakes, none of which may be identified as the main shock, occurring in a limited area and time. (USGS National Earthquake Information Center, 1999). (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||