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Weak mag. 3.4 earthquake - 13 km southwest of Mati, Province of Davao Oriental, Philippines, on Saturday, Nov 20, 2021 at 8:02 am (GMT +8) -

Weak magnitude 3.4 earthquake at 39 km depth

20 Nov 00:15 UTC: First to report: PHIVOLCS after 13 minutes.
20 Nov 21:05: Magnitude recalculated from 3.2 to 3.4. Hypocenter depth recalculated from 28.0 to 39.0 km (from 17.4 to 24 mi). Epicenter location corrected by 3.5 km (2.2 mi) towards ESE.

Earthquake details

Date & time	Nov 20, 2021 00:02:00 UTC -
Local time at epicenter	Saturday, Nov 20, 2021 at 8:02 am (GMT +8)
Status	Confirmed
Magnitude	3.4
Depth	39.0 km
Epicenter latitude / longitude	6.85°N / 126.17°E (Province of Davao Oriental, Davao, Philippines)
Antipode	6.85°S / 53.83°W
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Nearest volcano	Leonard Range (61 km / 38 mi)
Nearby towns and cities	7 km (5 mi) SSE of Davan (pop: 4,050) \| Show on map \| Quakes nearby 10 km (6 mi) ENE of San Isidro (Davao Oriental) (pop: 9,710) \| Show on map \| Quakes nearby 13 km (8 mi) SSW of Mati (pop: 105,900) \| Show on map \| Quakes nearby 18 km (11 mi) W of Bobon (pop: 4,520) \| Show on map \| Quakes nearby 19 km (11 mi) ESE of Lupon (Davao Oriental) (pop: 27,200) \| Show on map \| Quakes nearby 24 km (15 mi) NNE of Sigaboy (Davao Oriental) (pop: 7,980) \| Show on map \| Quakes nearby 57 km (35 mi) ESE of Samal (pop: 43,500) \| Show on map \| Quakes nearby 66 km (41 mi) ESE of Central (pop: 1,212,500) \| Show on map \| Quakes nearby 74 km (46 mi) SE of Panabo (pop: 84,700) \| Show on map \| Quakes nearby 78 km (48 mi) SSE of Magugpo Poblacion (pop: 233,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 26.6°C (80 F), humidity: 77%, wind: 1 m/s (1 kts) from ENE
Estimated seismic energy released	7.9 x 10⁹ joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) \| about seismic energy

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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.

Mag.	Depth	Location	Source
3.4	39 km	Philippines: 009 Km N 78° E of San Isidro (Davao Oriental)	PHIVOLCS
3.2	28 km	MINDANAO, PHILIPPINES	EMSC

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Seismograms

Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 70 km / 43 mi | Show on map | Station Info

Seismic station Davao, Philippines: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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