Minor mag. 1.7 earthquake - Zamboanga City, 56 km northwest of Pagadian, Philippines, on Saturday, 20 Feb 2021 8:33 am (GMT +8) -
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Minor magnitude 1.7 earthquake at 28 km depth
20 Feb 00:45 UTC: First to report: PHIVOLCS after 12 minutes.
20 Feb 11:40: Magnitude recalculated from 1.6 to 1.7. Hypocenter depth recalculated from 20.0 to 28.0 km (from 12.4 to 17.4 mi). Epicenter location corrected by 8 km (4.9 mi) towards ESE.
20 Feb 11:40: Magnitude recalculated from 1.6 to 1.7. Hypocenter depth recalculated from 20.0 to 28.0 km (from 12.4 to 17.4 mi). Epicenter location corrected by 8 km (4.9 mi) towards ESE.
Date & time: 20 Feb 2021 00:33:00 UTC -
Local time at epicenter: Saturday, 20 Feb 2021 8:33 am (GMT +8)
Magnitude: 1.7
Depth: 28.0 km
Epicenter latitude / longitude: 8.12°N / 123.03°E
(Zamboanga City, Zamboanga Peninsula, Philippines)Nearest volcano: Malindang (73 km / 45 mi)
Nearby towns and cities:
10 km (6 mi) S of Mandih (pop: 3,420) --> See nearby quakes!
46 km (28 mi) W of Mahayag (Zamboanga del Sur) (pop: 17,100) --> See nearby quakes!
51 km (32 mi) W of Molave (Zamboanga del Sur) (pop: 21,100) --> See nearby quakes!
56 km (34 mi) NW of Pagadian (pop: 186,900) --> See nearby quakes!
59 km (37 mi) WNW of Muricay (pop: 132,100) --> See nearby quakes!
60 km (37 mi) SW of Dipolog City (pop: 93,500) --> See nearby quakes!
62 km (38 mi) NE of Ipil (Zamboanga Sibugay) (pop: 19,200) --> See nearby quakes!
74 km (46 mi) SW of Dapitan (pop: 50,500) --> See nearby quakes!
89 km (55 mi) W of Ozamiz (Northern Mindanao) (pop: 93,100) --> See nearby quakes!
755 km (469 mi) SSE of Manila (National Capital Region) (pop: 1,600,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
24.3°C (76 F), humidity: 73%, wind: 7 m/s (13 kts) from NNE
Primary data source: PHIVOLCS (Philippine Institute of Volcanology and Seismology)Overcast Clouds
24.3°C (76 F), humidity: 73%, wind: 7 m/s (13 kts) from NNEEstimated released energy: 2.2 x 107 joules (6.22 kilowatt hours) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
| Magnitude | Depth | Location | Source |
| 1.7 | 28 km | 018 Km S 33° W of Siayan (Zamboanga Del Norte), Philippines | PHIVOLCS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 1.7, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
