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Light mag. 4.7 earthquake - Philippine Sea, 71 km east of General Santos City, Philippines, on Saturday, Mar 18, 2023 at 3:37 am (GMT +8) -

Light magnitude 4.7 earthquake at 126 km depth

17 Mar 19:43 UTC: First to report: VolcanoDiscovery after 6 minutes.
17 Mar 19:48: Now using data updates from RaspberryShake
17 Mar 19:52: Magnitude recalculated from 4.8 to 4.7. Hypocenter depth recalculated from 75.0 to 112.0 km (from 47 to 70 mi). Epicenter location corrected by 14 km (8.5 mi) towards NNW.
17 Mar 20:03: Now using data updates from USGS

Earthquake details

Date & time	Mar 17, 2023 19:37:59 UTC -
Local time at epicenter	Saturday, Mar 18, 2023 at 3:37 am (GMT +8)
Status	Confirmed
Magnitude	4.7
Depth	125.9 km
Epicenter latitude / longitude	5.9818°N / 125.8004°E (Philippine Sea, Philippines)
Antipode	5.982°S / 54.2°W
Shaking intensity	Weak shaking
Felt	4 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Matutum (92 km / 57 mi)
Nearby towns and cities	13 km (8 mi) E of Mangili (pop: 3,020) \| Show on map \| Quakes nearby 53 km (33 mi) SSE of Malita (pop: 41,100) \| Show on map \| Quakes nearby 57 km (35 mi) E of Malapatan (Sarangani) (pop: 19,400) \| Show on map \| Quakes nearby 58 km (36 mi) ESE of Alabel (pop: 43,300) \| Show on map \| Quakes nearby 66 km (41 mi) ESE of Maluñgun (pop: 52,200) \| Show on map \| Quakes nearby 71 km (44 mi) E of General Santos City (pop: 679,600) \| Show on map \| Quakes nearby 86 km (53 mi) ESE of Polomolok (pop: 64,000) \| Show on map \| Quakes nearby 98 km (61 mi) SSE of Digos (pop: 116,100) \| Show on map \| Quakes nearby 241 km (150 mi) SSE of Mindanao Island (pop: 25,537,700) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 27.5°C (81 F), humidity: 71%, wind: 3 m/s (5 kts) from N
Estimated seismic energy released	7.1 x 10¹¹ joules (197 megawatt hours, equivalent to 169 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
4.7	126 km	13 Km E of Mangili, Philippines	USGS
4.7	112 km	Mindanao, Philippines	GFZ
4.7	124 km	MINDANAO, PHILIPPINES	EMSC
4.8	112 km	Philippines: 029 Km S 68° E of Jose Abad Santos (Davao Occidental)	PHIVOLCS
4.7	126 km	Mindanao, Philippines	RaspberryShake
4.7	10 km	Mindanao, Philippines	IRIS

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User reports for this quake (4)

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

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general santos city (84.6 km W of epicenter) [Map] / Weak shaking (MMI III) / both vertical and horizontal swinging / 5-10 s : It feels like swinging

Upper Klinan, South Cotabato, Soccsksargen (82.4 km WNW of epicenter) [Map] / Weak shaking (MMI III) : I woke up felt shaking and the vibration

General Santos (76.4 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : mild shaking of the ground

Santa Cruz, Davao del Sur / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : Very weak shaking (in bed during that time)

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