Reported seismic-like event (likely no quake): 4.2 km north of Bacolod City, Philippines, Thursday, Dec 23, 2021 at 5:16 am (GMT +8) -

22 Dec 21:32 UTC: First to report: VolcanoDiscovery after 17 minutes.

Earthquake details

Date & time	Dec 22, 2021 21:16:01 UTC -
Local time at epicenter	Thursday, Dec 23, 2021 at 5:16 am (GMT +8)
Status	disregarded
Magnitude	unknown (3?)
Depth	10.0 km
Epicenter latitude / longitude	10.70237°N / 122.96369°E (Province of Negros Occidental, Western Visayas, Philippines)
Antipode	10.702°S / 57.036°W
Shaking intensity	Light shaking
Felt	1 report
Primary data source	VolcanoDiscovery (User-reported shaking)
Nearest volcano	Silay (30 km / 19 mi)
Nearby towns and cities	4 km (2 mi) S of Talisay (pop: 65,300) \| Show on map \| Quakes nearby 4 km (3 mi) NNE of Bacolod City (pop: 454,900) \| Show on map \| Quakes nearby 8 km (5 mi) SSW of Binonga (pop: 84,000) \| Show on map \| Quakes nearby 8 km (5 mi) NNW of Mansilingan (pop: 454,200) \| Show on map \| Quakes nearby 12 km (8 mi) NNE of Sum-Ag (pop: 18,800) \| Show on map \| Quakes nearby 14 km (9 mi) NW of Murcia (Bisayas occidentales) (pop: 17,400) \| Show on map \| Quakes nearby 16 km (10 mi) NNE of Taloc (pop: 20,400) \| Show on map \| Quakes nearby 24 km (15 mi) NE of Bago City (pop: 150,300) \| Show on map \| Quakes nearby 25 km (16 mi) SSW of Victorias (pop: 86,500) \| Show on map \| Quakes nearby 484 km (301 mi) SSE of Manila (National Capital Region) (pop: 1,600,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 23.9°C (75 F), humidity: 86%, wind: 3 m/s (5 kts) from ENE
Estimated seismic energy released	2 x 10⁹ joules (554 kilowatt hours, equivalent to 0.477 tons of TNT) \| about seismic energy

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Seismograms

Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 496 km / 308 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 (1)

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

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Translate

Brgy. Bata Bacolod City (0 km E of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 30-60 s : Like spiral motion type of shaking

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