Quake Info: Moderate Mag. 4.5 Earthquake - 45 km West of Panay Island, Capiz, Western Visayas, Philippines, on Monday, Jun 7, 2021 at 7:49 pm (GMT +8)

Moderate magnitude 4.5 earthquake at 3 km depth

7 Jun 11:54 UTC: First to report: VolcanoDiscovery after 6 minutes.
7 Jun 12:05: Now using data updates from PHIVOLCS
7 Jun 14:05: Magnitude recalculated from 4.8 to 4.5. Hypocenter depth recalculated from 10.0 to 4.0 km (from 6.2 to 2.5 mi). Epicenter location corrected by 15 km (9.5 mi) towards WNW.
8 Jun 11:30: Hypocenter depth recalculated from 4.0 to 3.0 km (from 2.5 to 1.9 mi). Epicenter location corrected by 11 km (7.1 mi) towards ENE.

Update Mon, 7 Jun 2021, 12:09

Moderate 4.8 quake hits near Iloilo City, Iloilo, Western Visayas, Philippines

4.8 quake 7 Jun 7:49 pm (GMT +8)

Just 20 minutes ago, a 4.8-magnitude earthquake struck near Iloilo City, Iloilo, Western Visayas, Philippines. The tremor was recorded early evening on Monday 7 June 2021 at 7:49 pm local time, at a shallow depth of 10 km below the surface.
The event was filed by the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.8 earthquake as well.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Patnongon (pop. 5,800) located 14 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Iloilo City (pop. 387,700) located 58 km from the epicenter, Passi (pop. 42,800) 60 km away, Kalibo Town (pop. 56,800) 88 km away, and Bago City (pop. 150,300) 92 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Talisay (pop. 65,300) located 97 km from the epicenter, Bacolod City (pop. 454,900) 97 km away, Binonga (pop. 84,000) 97 km away, and Roxas (pop. 102,700) 99 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake details

Date & time	Jun 7, 2021 11:49:00 UTC
Local time at epicenter	Monday, Jun 7, 2021 at 7:49 pm (GMT +8)
Status	Confirmed
Magnitude	4.5
Depth	3.0 km
Epicenter latitude / longitude	11.04°N / 122.08°E (Province of Antique, Western Visayas, Philippines)
Antipode	11.04°S / 57.92°W
Shaking intensity	Light shaking
Felt	24 reports
Primary data source	PHIVOLCS (Philippine Institute of Volcanology and Seismology)
Nearest volcano	Canlaon (135 km / 84 mi)
Nearby towns and cities	2 km (1 mi) ESE of Bugasong (pop: 2,830) \| Show on map \| Quakes nearby 17 km (11 mi) NNE of Patnongon (Antique) (pop: 5,810) \| Show on map \| Quakes nearby 29 km (18 mi) NNE of Sibalom (Antique) (pop: 7,300) \| Show on map \| Quakes nearby 39 km (24 mi) NNE of Antique (pop: 4,820) \| Show on map \| Quakes nearby 45 km (28 mi) WNW of Alimodian (Iloilo) (pop: 7,300) \| Show on map \| Quakes nearby 47 km (29 mi) NNW of Miagao (Iloilo) (pop: 8,880) \| Show on map \| Quakes nearby 48 km (30 mi) WNW of Janiuay (Iloilo) (pop: 12,900) \| Show on map \| Quakes nearby 62 km (38 mi) W of Passi (pop: 42,800) \| Show on map \| Quakes nearby 65 km (41 mi) NW of Iloilo City (pop: 387,700) \| Show on map \| Quakes nearby 414 km (257 mi) SSE of Manila (National Capital Region) (pop: 1,600,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Heavy Intensity Rain 23.2°C (74 F), humidity: 78%, wind: 1 m/s (1 kts) from WNW
Estimated seismic energy released	3.5 x 10¹¹ joules (98.6 megawatt hours, equivalent to 84.8 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
4.5	3 km	Philippines: 002 Km S 82° E of Bugasong (Antique)	PHIVOLCS
4.7	10 km	PANAY, PHILIPPINES	EMSC
4.6	10 km	Panay, Philippines	GFZ
4.7	10 km	19 Km ESE of Bugasong, Philippines	USGS

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Seismograms

Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 585 km / 364 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (25)

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

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Bugasong (2.2 km WNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : A sudden hard jolt as if possibly something had run into the house but it was more of a jump, then side to side movement gradually decreasing for several seconds | 3 users found this interesting.

San Joaquin, Iloilo, Western Visayas (54.4 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Was sitting at the dinner table when i felt a heavy vibration, dishes, utensils and windows were all rattling for a good 3 seconds

Alangan Sibalom Antique / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : It felt like I got electrocuted cus I was laying down ;-; | One user found this interesting.

san jose, antique / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : earthquake | One user found this interesting.

Camangahan, Bugasong, Antique / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : Nervous and alarmed | One user found this interesting.

San Juan Sibalom Antique / Very weak shaking (MMI II) / very short : A little quake | One user found this interesting.

Ungca, Province of Iloilo, Western Visayas (62.4 km ESE of epicenter) [Map] / not felt

Sibalom, Antique, Western Visayas (31 km S of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s

Patnongon, Province of Antique, Western Visayas (22.5 km SSW of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 20-30 s

San Pedro, Antique, Western Visayas (32.8 km SSW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s

Bugasong, Antique, Western Visayas (6.5 km N of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s

San Pedro, Antique, Western Visayas (34.6 km SSW of epicenter) [Map] / Weak shaking (MMI III)

Patnongon / Very weak shaking (MMI II) / single lateral shake / 2-5 s : Strong single horizontal vibrating shake was felt in the chair in front of me

Barangay Evelio B Javier Hamtic Antique (41 km SSW of epicenter) [Map] / Light shaking (MMI IV)

Barbaza / Light shaking (MMI IV) / single vertical bump / 1-2 s

Guisijan Laua-an / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s

Antique (34.6 km SSW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s

Patnongon, Antique / Moderate shaking (MMI V) / 2-5 s

Antique (6.8 km NE of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s

Bugasong / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s

Valderrama, Antique / Light shaking (MMI IV) / rattling, vibrating / 2-5 s

San Jose Antique / Very weak shaking (MMI II) / single vertical bump / 1-2 s

magcalon, san jose (32.7 km SSW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s

Patnongon / Weak shaking (MMI III) / horizontal (sideways) swinging / 10-15 s

SAN JOSE (36.3 km SSW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s

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