| us geological society | 0.38 | 0.4 | 8862 | 21 | 94 |
| us geological society earthquake | 1.63 | 0.5 | 4942 | 32 | 31 |
| us geological society maps | 1.36 | 0.5 | 7884 | 26 | 49 |
| map of the great lakes us geological society | 0.53 | 0.5 | 991 | 44 | 96 |
| national geological society earthquake | 1.4 | 0.1 | 9614 | 38 | 4 |
| us geological service earthquakes | 1.01 | 0.8 | 3743 | 33 | 79 |
| us geological survey earthquake | 1.42 | 0.6 | 8664 | 31 | 80 |
| united states geological survey earthquake | 1.43 | 0.6 | 3791 | 42 | 59 |
| us geological earthquake center | 0.05 | 0.7 | 801 | 31 | 88 |
| us geological earthquake today | 1.46 | 0.7 | 8078 | 30 | 73 |
| geological survey america earthquake | 0.78 | 0.3 | 5353 | 36 | 72 |
| earthquakes us geological survey | 1.88 | 0.3 | 5908 | 32 | 59 |
| us geological survey earthquakes today | 1.19 | 0.8 | 2118 | 38 | 74 |
| us geological survey latest earthquakes | 0.42 | 0.3 | 6065 | 39 | 53 |
| us geological survey recent earthquakes | 1.25 | 0.8 | 1426 | 39 | 26 |
| earthquake usgs gov earthquakes | 0.96 | 0.6 | 7467 | 31 | 33 |
| earthquakes u.s. geological survey usgs.gov | 0.47 | 0.6 | 21 | 43 | 14 |
| usgs the science of earthquakes | 0.75 | 1 | 4495 | 31 | 82 |
| usgs earthquake event page | 0.47 | 0.1 | 2528 | 26 | 19 |
| national geological survey earthquakes | 0.45 | 1 | 8481 | 38 | 80 |
