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Moderate mag. 4.3 earthquake - 14 km southeast of Biga, Canakkale, Turkey, on Thursday, Jul 21, 2022 at 6:44 pm (GMT +3) -

Moderate mag. 4.3 earthquake - 14 km southeast of Biga, Canakkale, Turkey, on Thursday, Jul 21, 2022 at 6:44 pm (GMT +3) Moderate mag. 4.3 earthquake - 14 km southeast of Biga, Canakkale, Turkey, on Thursday, Jul 21, 2022 at 6:44 pm (GMT +3)

Moderate magnitude 4.3 earthquake at 18 km depth

21 Jul 15:47 UTC: First to report: GFZ after 3 minutes.
21 Jul 15:50: Magnitude recalculated from 4.9 to 4.3. Epicenter location corrected by 8 km (5 mi) towards SSW.
21 Jul 16:40: Magnitude recalculated from 4.3 to 4.5. Hypocenter depth recalculated from 10.0 to 15.0 km (from 6.2 to 9.3 mi). Epicenter location corrected by 8 km (5 mi) towards ESE.
21 Jul 16:48: Now using data updates from USGS
Update Thu, 21 Jul 2022, 15:54

Moderate tremor of magnitude 4.3 just reported 19 km southeast of Biga, Turkey

4.3 quake 21 Jul 6:44 pm (GMT +3)
4.3 quake 21 Jul 6:44 pm (GMT +3)
A shallow magnitude 4.3 earthquake was reported early evening near Biga, Canakkale, Turkey.
According to the German Research Centre for Geosciences (GFZ), the quake hit on Thursday, July 21st, 2022, at 6:44 pm local time at a shallow depth of 10 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the National Observatory of Athens (NOA), which listed it as a magnitude 4.2 earthquake. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 4.3, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 4.6.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Karaağaçalan (pop. 100) located 18 km from the epicenter, Biga (pop. 30,900) 19 km away, Gönen (pop. 40,800) 22 km away, Çan (pop. 26,200) 30 km away, and Erdek (pop. 22,700) 48 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Bandırma (pop. 107,600) located 57 km from the epicenter, Edremit (pop. 40,800) 64 km away, and Canakkale (pop. 87,800) 83 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 & timeJul 21, 2022 15:44:24 UTC -
Local time at epicenterThursday, Jul 21, 2022 at 6:44 pm (GMT +3)
StatusConfirmed
Magnitude4.3
Depth18.2 km
Epicenter latitude / longitude40.1473°N / 27.3661°E (Canakkale, Turkey)
Antipode40.147°S / 152.634°W
Shaking intensityWeak shaking
Felt35 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoKenger (193 km / 120 mi)
Nearby towns and cities14 km (9 mi) SE of Biga (pop: 30,900) | Show on map | Quakes nearby
25 km (15 mi) W of Gönen (Balıkesir) (pop: 40,800) | Show on map | Quakes nearby
30 km (18 mi) ENE of Çan (pop: 26,200) | Show on map | Quakes nearby
46 km (28 mi) SW of Erdek (Balıkesir) (pop: 22,700) | Show on map | Quakes nearby
57 km (35 mi) WSW of Bandırma (Balıkesir) (pop: 107,600) | Show on map | Quakes nearby
81 km (50 mi) E of Canakkale (pop: 87,800) | Show on map | Quakes nearby
165 km (102 mi) SW of Istanbul (pop: 14,804,100) | Show on map | Quakes nearby
468 km (291 mi) W of Ankara (pop: 3,517,200) | Show on map | Quakes nearby
Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) | 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.
Mag.DepthLocationSource
4.318 km13 Km SE of Biga, TurkeyUSGS
4.78 kmWESTERN TURKEYEMSC
4.318 kmTurkeyRaspberryShake
4.210 kmTurkey: 125 Km NE From Mantamados LesvouNOA
4.88.4 kmTurkey: TAHTALI-GONEN (BALIKESIR)KOERI-RETMC
4.89.8 kmTurkeyINGV
4.515 kmTurkeyGFZ
4.912 kmTurkey: Biga / TürkeiZAMG

Seismograms

Seismic station: Ankara, Turkey (ANTO/IU network) | Distance from quake: 463 km / 288 mi | Show on map | Station Info
Seismic station Ankara, Turkey: 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 (37)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Yalova, Turkey (171.4 km ENE of epicenter) [Map] / Very weak shaking (MMI II) : I was laying down in my room and I felt a sudden shake for a couple of seconds, I decided to head to my mother and asked her if she felt it as well and she said she did, we called our family members in the same city and they also said they felt it. It las | 2 users found this interesting.  
bandirma (55.4 km ENE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : The shaking was around 2-5 seconds starting with 1 second of strong and 3-4 seconds of soft aftermath. | 2 users found this interesting.  
Bandirma (55.9 km ENE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s : I'm atvthe perama hotel 7th floor sittingbinbthe room when building moved Came down stairs stood outside and felt some vibrations outside onbthe pavement... sofr vibrations... people around not noticing | One user found this interesting.  
hasanbey (24 km E of epicenter) [Map] / Moderate shaking (MMI V) : everything shaked and it felt like something crashed on the couch. I was just looking at a picture on instagram | One user found this interesting.  
Selimpaşa, Istanbul (131.5 km NE of epicenter) [Map] / Very weak shaking (MMI II) : ı was sitting on my chair, and shake a bit. then saw my des lamp shaking and it dissapperead in 5 sec. | One user found this interesting.  
Esenköy, Yalova (144.6 km ENE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : Very light swaying feeling from 4th floor | 2 users found this interesting.  
Tekirdag (95.1 km N of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : I was laying on my bed, and suddenly felt how it’s lightly shaking about 2-3 seconds. I looked other stuffs and furniture in my room, but everything was as usual. I asked my boyfriend 1,5 hours later, but he said when he was at work he felt nothing.  
Istanbul / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : 2-3 seconds of light shaking felt from Istanbul | 2 users found this interesting.  
Bandirma (52.9 km ENE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : In bed when things started shaking | One user found this interesting.  
Canakkale (81.6 km W of epicenter) [Map] / Weak shaking (MMI III) : I lay in bed and felt a Earthquake | One user found this interesting.  
Başakşehir, istanbul (160.2 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Normal shaking | One user found this interesting.  
sancaktepe, istanbul (185.7 km ENE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : mild sideways shaking for 3-4 secs | One user found this interesting.  
istanbul (171.6 km NE of epicenter) [Map] / not felt : Nothing | One user found this interesting.  
Стамбул (155.9 km NE of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 10-15 s
Şarköy (170.8 km N of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating
İstanbul (170.4 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
Izmit, Kocaeli (228.5 km ENE of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / very short (reported through our app)
Istanbul, Basaksehir (160.1 km NE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short
Maltepe (172.4 km ENE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Bursa gorukle (126.7 km E of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Bursa / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s : Moderate shaking  
avşa balıkesır / Very weak shaking (MMI II)
Bursa, Bariş Mahlesi / Very weak shaking (MMI II) / 2-5 s
İstanbul / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s : I sat on a chair, he staggered under me. the water in the kettle began to sway  
Istanbul / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s : horizontal movements  
Chanakkale, Kolin hotel , 8 / Weak shaking (MMI III) / single lateral shake / 2-5 s
Avşa adası / not felt
Biga / Light shaking (MMI IV)
avşa balıkesır / Very weak shaking (MMI II)
Istanbul / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
İstanbul / Very weak shaking (MMI II) / single lateral shake / 2-5 s
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