May 21, 2012
Holly Deyo / USGS
| Mag. | Date / Time | Lon | Lat | Depth | Region |
| 6.2 | 2012/05/19 08:35:11 | -25.790 | -70.809 | 34.7 | OFFSHORE ANTOFAGASTA, CHILE |
| 3.4 | 2012/05/19 03:49:14 | 19.140 | -68.592 | 101.0 | DOMINICAN REPUBLIC REGION |
| 3.4 | 2012/05/18 16:46:21 | 19.626 | -67.429 | 10.0 | PUERTO RICO REGION |
| 4.6 | 2012/05/18 13:29:57 | -24.271 | -66.990 | 131.7 | SALTA, ARGENTINA |
| 4.3 | 2012/05/18 05:56:09 | 7.655 | -81.151 | 10.3 | PANAMA |
| 4.9 | 2012/05/18 04:26:45 | 7.715 | -81.020 | 10.3 | PANAMA |
| 2.9 | 2012/05/18 03:30:06 | 19.072 | -66.811 | 41.0 | PUERTO RICO REGION |
| 4.6 | 2012/05/18 03:04:52 | 11.067 | -86.510 | 61.3 | NEAR THE COAST OF NICARAGUA |
| 6.2 | 2012/05/18 02:00:41 | -44.594 | -80.073 | 10.0 | OFF THE COAST OF AISEN, CHILE |
| 2.8 | 2012/05/17 21:52:15 | 19.029 | -66.505 | 46.0 | PUERTO RICO REGION |
| 2.5 | 2012/05/17 08:48:49 | 18.076 | -65.397 | 14.4 | PUERTO RICO REGION |
| 3.7 | 2012/05/17 08:03:35 | 18.843 | -68.975 | 109.0 | DOMINICAN REPUBLIC |
| 4.7 | 2012/05/17 06:50:55 | -32.743 | -71.785 | 16.8 | OFFSHORE VALPARAISO, CHILE |
| 3.7 | 2012/05/17 04:47:23 | -32.728 | -71.677 | 45.0 | OFFSHORE VALPARAISO, CHILE |
| 4.4 | 2012/05/17 03:45:27 | -12.095 | -76.526 | 100.0 | NEAR THE COAST OF CENTRAL PERU |
| 4.4 | 2012/05/17 02:34:14 | -31.763 | -69.590 | 98.3 | SAN JUAN, ARGENTINA |
| 4.0 | 2012/05/17 02:26:48 | 16.748 | -98.299 | 10.2 | GUERRERO, MEXICO |
| 4.5 | 2012/05/17 00:52:20 | 10.699 | -62.698 | 90.8 | SUCRE, VENEZUELA |
| 4.2 | 2012/05/16 14:16:59 | 16.647 | -97.885 | 35.0 | OAXACA, MEXICO |
| 4.6 | 2012/05/16 10:16:56 | -24.940 | -71.031 | 16.7 | OFF THE COAST OF ANTOFAGASTA, CHILE |
| 4.3 | 2012/05/16 09:02:01 | -36.912 | -70.605 | 143.0 | NEUQUEN, ARGENTINA |
| 3.2 | 2012/05/16 08:35:24 | 19.143 | -64.412 | 44.4 | VIRGIN ISLANDS REGION |
| 3.4 | 2012/05/16 06:46:53 | 18.532 | -68.796 | 133.9 | DOMINICAN REPUBLIC |
| 4.2 | 2012/05/16 05:11:26 | -19.837 | -69.026 | 88.3 | TARAPACA, CHILE |
| 3.0 | 2012/05/16 05:03:39 | 19.000 | -65.856 | 44.7 | PUERTO RICO REGION |
| 2.5 | 2012/05/16 04:13:02 | 18.075 | -64.012 | 33.5 | VIRGIN ISLANDS REGION |
| 3.3 | 2012/05/15 23:22:57 | 17.920 | -68.877 | 46.0 | DOMINICAN REPUBLIC REGION |
| 2.5 | 2012/05/15 10:20:50 | 18.770 | -67.425 | 9.8 | PUERTO RICO REGION |
| 2.9 | 2012/05/15 08:05:26 | 19.242 | -65.073 | 70.0 | VIRGIN ISLANDS REGION |
| 3.4 | 2012/05/15 07:43:55 | 19.256 | -65.086 | 94.5 | VIRGIN ISLANDS REGION |
| 2.8 | 2012/05/15 04:52:42 | 19.058 | -66.459 | 8.0 | PUERTO RICO REGION |
| 4.9 | 2012/05/15 01:50:43 | -8.589 | -79.688 | 55.2 | NEAR THE COAST OF NORTHERN PERU |
| 2.5 | 2012/05/14 15:42:51 | 18.163 | -67.414 | 7.0 | MONA PASSAGE, PUERTO RICO |
| 6.2 | 2012/05/14 10:00:39 | -17.816 | -69.749 | 98.3 | TARAPACA, CHILE |