Date and time | Mag Depth | Nearest volcano (distance) | Location | Details | Map |
| Tuesday, October 19, 2021 22:36 GMT (4 earthquakes) | |||||
| Oct 20, 2021 6:36 am (GMT +8) (Oct 19, 2021 22:36 GMT) | 2.0 26 km | 26 km (16 mi) | Luzon, 15 km southeast of Botolan, Philippines | More | Map |
| Oct 20, 2021 3:05 am (GMT +8) (Oct 19, 2021 19:05 GMT) | 2.2 1 km | 18 km (11 mi) | Province of Rizal, 9.5 km northeast of Calamba, Philippines | More | Map |
| Oct 20, 2021 1:32 am (GMT +8) (Oct 19, 2021 17:32 GMT) | 1.8 67 km | 47 km (29 mi) | 15 km southeast of Masinloc, Province of Zambales, Central Luzon, Philippines | More | Map |
| Oct 19, 2021 7:54 pm (GMT +8) (Oct 19, 2021 11:54 GMT) | 1.8 33 km | 85 km (53 mi) | Philippine Sea, 60 km east of Cabanatuan City, Philippines | More | Map |
| Monday, October 18, 2021 11:03 GMT (1 earthquake) | |||||
| Oct 18, 2021 7:03 pm (GMT +8) (Oct 18, 2021 11:03 GMT) | 2.1 25 km | 73 km (45 mi) | 9.6 km north of Masinloc, Province of Zambales, Central Luzon, Philippines | More | Map |
| Sunday, October 17, 2021 17:03 GMT (8 earthquakes) | |||||
| Oct 18, 2021 1:03 am (GMT +8) (Oct 17, 2021 17:03 GMT) | 2.2 23 km | 12 km (7.5 mi) | 19 km north of Subic, Province of Zambales, Central Luzon, Philippines | More | Map |
| Oct 18, 2021 1:03 am (GMT +8) (Oct 17, 2021 17:03 GMT) | 2.9 7 km | 6 km (3.7 mi) | Province of Tarlac, 21 km west of Santol, Pampanga, Central Luzon, Philippines I FELT IT | More | Map |
| Oct 18, 2021 12:21 am (GMT +8) (Oct 17, 2021 16:21 GMT) | 2.2 23 km | 10 km (6.2 mi) | 24 km north of Castillejos, Province of Zambales, Central Luzon, Philippines | More | Map |
| Oct 18, 2021 12:20 am (GMT +8) (Oct 17, 2021 16:20 GMT) | 3.5 16 km | 21 km (13 mi) | 20 km west of Santol, Pampanga, Central Luzon, Philippines I FELT IT - 3 reports | More | Map |
| Oct 18, 2021 12:04 am (GMT +8) (Oct 17, 2021 16:04 GMT) | 2.1 9 km | 117 km (73 mi) | Philippine Sea, 82 km east of Cabanatuan City, Philippines | More | Map |
| Oct 17, 2021 10:28 pm (GMT +8) (Oct 17, 2021 14:28 GMT) | 3.0 29 km | 51 km (32 mi) | South China Sea, 18 km west of San Antonio, Philippines I FELT IT - 1 report | More | Map |
| Oct 17, 2021 5:33 pm (GMT +8) (Oct 17, 2021 09:33 GMT) | 2.1 2 km | 108 km (67 mi) | Philippine Sea, 78 km east of Cabanatuan City, Philippines | More | Map |
| Oct 17, 2021 5:09 pm (GMT +8) (Oct 17, 2021 09:09 GMT) | 2.8 9 km | 10 km (6.2 mi) | Province of Tarlac, 23 km west of Santol, Pampanga, Central Luzon, Philippines I FELT IT | More | Map |
| Thursday, October 14, 2021 06:45 GMT (2 earthquakes) | |||||
| Oct 14, 2021 2:45 pm (GMT +8) (Oct 14, 2021 06:45 GMT) | 3.1 60 km | 29 km (18 mi) | 15 km southwest of Olongapo City, Philippines I FELT IT | More | Map |
| Oct 14, 2021 10:15 am (GMT +8) (Oct 14, 2021 02:15 GMT) | 2.2 27 km | 77 km (48 mi) | South China Sea, 43 km southwest of Iba, Philippines | More | Map |
| Wednesday, October 13, 2021 22:43 GMT (2 earthquakes) | |||||
| Oct 14, 2021 6:43 am (GMT +8) (Oct 13, 2021 22:43 GMT) | 2.0 28 km | 58 km (36 mi) | South China Sea, 24 km southwest of Iba, Philippines | More | Map |
| Oct 13, 2021 5:36 pm (GMT +8) (Oct 13, 2021 09:36 GMT) | 2.7 28 km | 64 km (40 mi) | 3.2 km east of Masinloc, Province of Zambales, Central Luzon, Philippines | More | Map |
Estimated combined seismic energy released: 2 x 1010 joules (5.59 megawatt hours, equivalent to 4.81 tons of TNT) More info
