Moderate mag. 4.3 earthquake - 15 km southeast of Chortkov, Ternopil Oblast, Ukraine, on Thursday, Sep 23, 2021 at 6:17 am (GMT +3) -

Moderate mag. 4.3 earthquake - 15 km southeast of Chortkov, Ternopil Oblast, Ukraine, on Thursday, Sep 23, 2021 at 6:17 am (GMT +3) Moderate mag. 4.3 earthquake - 15 km southeast of Chortkov, Ternopil Oblast, Ukraine, on Thursday, Sep 23, 2021 at 6:17 am (GMT +3)

Moderate magnitude 4.3 earthquake at 15 km depth

23 Sep 03:21 UTC: First to report: GFZ after 3 minutes.
23 Sep 03:31: Hypocenter depth recalculated from 10.0 to 57.0 km (from 6.2 to 35 mi). Epicenter location corrected by 10.8 km (6.7 mi) towards ESE.
23 Sep 07:02: Hypocenter depth recalculated from 57.0 to 15.0 km (from 35 to 9.3 mi). Epicenter location corrected by 27 km (17 mi) towards ENE.
Update Thu, 23 Sep 2021, 03:27
Moderate magnitude 4.3 earthquake 32 km southwest of Chortkiv, Ukraine
4.3 quake 23 Sep 6:18 am (GMT +3)
4.3 quake 23 Sep 6:18 am (GMT +3)
The German Research Centre for Geosciences (GFZ) reported a magnitude 4.3 quake in the Ukraine near Chortkiv, Chortkiv Raion, Ternopil Oblast, only 9 minutes ago. The earthquake hit early morning on Thursday, September 23rd, 2021, at 6:18 am local time at a shallow depth of 10 km. 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.
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 Horodenka (pop. 9,100) located 18 km from the epicenter, Buchach (pop. 12,400) 26 km away, Chortkiv (pop. 28,900) 32 km away, Borshchiv (pop. 10,900) 42 km away, and Kolomyya (pop. 61,300) 46 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Ternopil (pop. 221,800) located 81 km from the epicenter, Ternopil (pop. 221,800) 81 km away, and Kamyianets-Podilskyy (pop. 99,800) 84 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 data

Earthquake details

Date & timeSep 23, 2021 03:17:58 UTC -
Local time at epicenterThursday, Sep 23, 2021 at 6:17 am (GMT +3)
StatusConfirmed
Magnitude4.3
Depth15.0 km
Epicenter latitude / longitude48.91°N / 25.93°E (Ternopil Oblast, Ukraine)
Antipode48.91°S / 154.07°W
Shaking intensityLight shaking
Felt221 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearby towns and cities14 km (9 mi) NNW of Borshchiv (pop: 10,900) | Show on map | Quakes nearby
15 km (10 mi) SE of Chortkov (Тернопольская область) (pop: 28,900) | Show on map | Quakes nearby
22 km (13 mi) S of Kopychyntsi (pop: 6,600) | Show on map | Quakes nearby
27 km (17 mi) SW of Husyatyn (pop: 7,080) | Show on map | Quakes nearby
43 km (26 mi) ESE of Buchach (pop: 12,400) | Show on map | Quakes nearby
54 km (34 mi) WNW of Kamyianets-Podilskyy (Khmelnytskyy Oblast) (pop: 99,800) | Show on map | Quakes nearby
67 km (42 mi) W of Dunaiivti (Oblast Chmelnyzkyj) (pop: 16,000) | Show on map | Quakes nearby
76 km (47 mi) SSE of Ternopil (pop: 221,800) | Show on map | Quakes nearby
172 km (107 mi) SE of Lviv (pop: 717,800) | Show on map | Quakes nearby
372 km (231 mi) WSW of Kyiv (Kyiv City) (pop: 2,797,600) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 6.8°C (44 F), humidity: 90%, wind: 6 m/s (12 kts) from WNW
Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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.DepthLocationSource
4.315 kmUkraine/Moldova/SW Russia RegionGFZ
4.360 kmUKRAINEEMSC
4.710 kmUkraineNIEP
4.360 kmTolstoye / UkraineZAMG
4.00 kmUKRAINE - MOLDOVA - SOUTHWESTERN RUSSIA REGIONNORSAR
4.614 km11 Km ESE of Zavodske, UkraineUSGS

User reports for this quake (249)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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near Lanivtsi, Ternopil Oblast (118.3 km N of epicenter) [Map] / Strong shaking (MMI VI) / horizontal (sideways) swinging / 15-20 s : Проснулась лежа в кровате в 6:19 от вибраций и покачевания, люстра дребезжала | 15 users found this interesting.  
Ivano / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s : I woke up for some reason and after 30 seconds I felt a shake lasting 1-2 seconds | 14 users found this interesting.  
Chortkiv / Moderate shaking (MMI V) / horizontal (sideways) swinging / 10-15 s : Прокинувся від того, що гудить і ліжко рухається. Дуже неприємні відчуття. Кіт теж зірвався з ліжка. | 10 users found this interesting.  
Khmelnitsky / Light shaking (MMI IV) / vibration and rolling / 15-20 s : Второй этаж, хрущевка, дом аж затрещал, я наложила кирпичей)) | 8 users found this interesting.  
Buchach, Ternopil Oblast (42.4 km WNW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Feel like something fall down on the Earth | 8 users found this interesting.  
Khmelnytskyi (95.7 km NE of epicenter) [Map] / not felt / rattling, vibrating / very short : First of all I feel vibration on the bed and then I hear some sounds from stuffs in the room. | 8 users found this interesting.  
  • Прокинулись від вібрації,яка була у будинку.Тривала декілька секунд.Було моторошно.
  • Прокинулись від вібрації ,яка була у будинку.Тривала декілька секунд.Було страшно.
Chortkiv, Ternopil Oblast (15.9 km NW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 20-30 s : Страшно було, ми спали і розбудилися від тряски | 7 users found this interesting.  
Ternopil / Weak shaking (MMI III) / single lateral shake / 1-2 s : Why don't you use the Ukrainian language. Russia is at war with us and we do not use the language of the occupier. | 7 users found this interesting.  
Gusyatin (26.4 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : We were still in bed and it felt like someone was rocking the bed. It happened for literally 3 seconds, but nothing can be confused. And the sound was as if a truck had passed. The sound was somewhere on the ground. It was very scary. The feeling that you | 6 users found this interesting.  
Khmelnitskiy / Light shaking (MMI IV) / 5-10 s : В 6:18 в кімнаті був гул і вібрація, мілкі коливання стін, предметів побуту. | 6 users found this interesting.  
Borshchiv (17.7 km SE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Как будто что то взорвалось | 5 users found this interesting.  
Buchach / Weak shaking (MMI III) / single vertical bump / 2-5 s : First of all appears noise like strong wind blows and than I felt strong vertical hit, something like wave hits the boat on the sea surface, and than noise become weaker and weaker and dissapears | 5 users found this interesting.  
Khmelnitskiy / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : My first eathquake, that was cool | 5 users found this interesting.  
Khmelnitskiy / Weak shaking (MMI III) / vibration and rolling / 2-5 s : Мы спали и проснулись с женой от толчков | 5 users found this interesting.  
Kopychyntsi, Husyatyn Raion, Ternopil Oblast (21.1 km N of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s : Wery crazy | 4 users found this interesting.  
near Buchach, Ternopil Oblast (31.8 km NW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : Було чути сильну сряску таке відчуття ніби танк проїхався біля дому.. | 2 users found this interesting.  
Chortkiv (13.5 km NW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 15-20 s : There was a loud buzzing (from 5 to 10 seconds) and then strong jolt (as if a truck had rammed into the house) and then less vibration lasting 20 seconds. | 4 users found this interesting.  
Vuzlove (176.3 km NW of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s : It was the most interesting expiriens in my life | 4 users found this interesting.  
Zalischyky / Light shaking (MMI IV) / vibration and rolling / 2-5 s : Відчуття ніби поїзд завели і почало трясти стінами сек 3-5 | 4 users found this interesting.  
Kam'yanets- Podil's'kyi (52.1 km ESE of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling : Я спала, не уверенна о продолжительности, но сила вибрации меня разбудила | 4 users found this interesting.  
Zavodske / not felt / single vertical bump / 5-10 s : everything was at 6.50, all the big furniture: the bed, the closet, the table began to shake. It lasted up to 10 seconds | 2 users found this interesting.  
near Buchach, Ternopil Oblast (31.8 km NW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : Було чути сильну сряску таке відчуття ніби танк проїхався біля дому.. | One user found this interesting.  
г.Городок Хмельницкая обл / Light shaking (MMI IV) / single lateral shake / 2-5 s : был толчок, после дрожание, но не долго | 3 users found this interesting.  
Koropets (55.5 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Проснувся від тряски шафи і дивану, дивний гул. Але не лячно я не боюсь землетрусів... | 3 users found this interesting.  
Vil'khivtsi / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Проснулась от тряски, кровать шатало, сначала услышала как будто какой то взрыв. | 3 users found this interesting.  
Chortkiv / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Два удари і трясіння. | 3 users found this interesting.  
Ternopil (75.6 km NNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I felt that my bed with me on I was shaking for a few seconds | 3 users found this interesting.  
Buchach (44 km WNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s : Fair | 3 users found this interesting.  
at home (34.5 km E of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : the earthquake lasted about 10 seconds, the walls shook | 3 users found this interesting.  
zolochiv (126.5 km NW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : My bad is shacking | 3 users found this interesting.  
Kostryzhivka, Zastavna Raion, Chernivtsi Oblast (30.4 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : I was in bad when i felt a vibration and strange sound | 2 users found this interesting.  
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