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Strong mag. 6.0 earthquake - Philippine Sea, Indonesia, on Sunday, Dec 5, 2021 at 8:47 am (GMT +9) -

Strong mag. 6.0 earthquake - Philippine Sea, Indonesia, on Sunday, Dec 5, 2021 at 8:47 am (GMT +9) Strong mag. 6.0 earthquake - Philippine Sea, Indonesia, on Sunday, Dec 5, 2021 at 8:47 am (GMT +9)

Strong magnitude 6.0 earthquake at 174 km depth

4 Dec 23:53 UTC: First to report: GFZ after 6 minutes.
4 Dec 23:54: Magnitude recalculated from 6.2 to 6.1. Hypocenter depth recalculated from 166.0 to 168.0 km (from 103 to 104 mi). Epicenter location corrected by 1.6 km (1 mi) towards SE.
... [show all] ...
5 Dec 00:07: Now using data updates from USGS

Earthquake details

Date & timeDec 4, 2021 23:47:57 UTC -
Local time at epicenterSunday, Dec 5, 2021 at 8:47 am (GMT +9)
Depth174.3 km
Epicenter latitude / longitude4.0681°N / 128.1359°E (Philippine Sea, Indonesia)
Antipode4.068°S / 51.864°W
Shaking intensityWeak shaking
Felt2 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities261 km (162 mi) N of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) | Show on map | Quakes nearby
374 km (232 mi) NNE of Ternate (pop: 101,700) | Show on map | Quakes nearby
376 km (234 mi) N of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) | Show on map | Quakes nearby
385 km (239 mi) SE of Mati (Philippines) (pop: 105,900) | Show on map | Quakes nearby
399 km (248 mi) SE of General Santos City (Philippines) (pop: 679,600) | Show on map | Quakes nearby
429 km (266 mi) SE of Digos (Philippines) (pop: 116,100) | Show on map | Quakes nearby
438 km (272 mi) NE of Bitung (pop: 137,400) | Show on map | Quakes nearby
465 km (289 mi) NE of Manado (pop: 451,900) | Show on map | Quakes nearby
472 km (293 mi) NE of Tondano (Kabupaten Minahasa) (pop: 33,300) | Show on map | Quakes nearby
480 km (298 mi) NE of Tomohon (pop: 27,600) | Show on map | Quakes nearby
352 km (219 mi) WNW of San Carlos Island (pop: 44) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 28.8°C (84 F), humidity: 76%, wind: 9 m/s (18 kts) from NNW
Estimated seismic energy released6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) | about seismic energy
Show interactive Map
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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.
6.0174 km259 Km N of Tobelo, IndonesiaUSGS
6.0169 kmTalaud Islands, IndonesiaGFZ
6.0174 kmNorth of Halmahera, IndonesiaRaspberryShake
5.9171 kmIndonesia: Near DavaoRENASS
6.1156 kmIndonesia: 285 Km S 67° E of Sarangani Island (Municipality Of Sarangani) (Davao Occidental)PHIVOLCS
6.0172 kmNorth of Halmahera, Indonesia [Sea: Indonesia]INGV
6.1171 kmNorth of Halmahera, IndonesiaBMKG
6.0163 kmNorth of Halmahera, IndonesiaGeoAu


Seismic station: Davao, Philippines (DAV/IU network) | Distance from quake: 438 km / 272 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
General Santos City,Bula / Weak shaking (MMI III) / single vertical bump / 5-10 s : I felt but weak shaking | 3 users found this interesting.  
Philippine Sea (0 km S of epicenter) [Map] / Very strong shaking (MMI VII)
Enschede,7521ZH,Holland / not felt


[More info]

Recorded aftershocks, latest first (4 quakes)

Date and timeMag
May 23, 2022 23:11
29 weeks ago

150 km
Philippine Sea, IndonesiaMore
Feb 24, 2022 15:38
41 weeks ago

33 km
Philippine Sea, IndonesiaMore
Jan 26, 2022 09:52
45 weeks ago

62 km
Philippine Sea, IndonesiaMore
Dec 7, 2021 00:33
1 year 0 weeks ago

9 km
Philippine Sea, IndonesiaMore

Earlier earthquakes in the same area

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