Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Mag. 1.7 quake - 29 km northwest of Larisa, Nomos Larisis, Thessaly, Greece, on Saturday, Sep 23, 2023 04:41 am (Athens time) -

Mag. 1.7 quake - 29 km northwest of Larisa, Nomos Larisis, Thessaly, Greece, on Saturday, Sep 23, 2023 04:41 am (Athens time) Mag. 1.7 quake - 29 km northwest of Larisa, Nomos Larisis, Thessaly, Greece, on Saturday, Sep 23, 2023 04:41 am (Athens time)

Minor magnitude 1.7 earthquake at 14 km depth

23 Sep 01:48 UTC: First to report: RaspberryShake after 6 minutes.
23 Sep 01:51: Now using data updates from NOA
23 Sep 01:58: Magnitude recalculated from 1.8 to 1.7. Hypocenter depth recalculated from 10.0 to 13.7 km (from 6.2 to 8.5 mi). Epicenter location corrected by 11 km (6.9 mi) towards SSW.

Earthquake details

Date & timeSep 23, 2023 01:41:43 UTC -
Local time at epicenterSaturday, Sep 23, 2023 04:41 am (Europe/Athens GMT +3)
Depth13.7 km
Epicenter latitude / longitude39.7618°N / 22.1223°E Nomos Larisis, Thessaly, Greece
Antipode39.7618°S / 157.878°W
Shaking intensityNot felt
Primary data sourceNOA (National Observatory of Athens)
Nearest volcanoSousaki (220 km / 137 mi)
Weather at epicenter at time of quakeClear Sky 23°C (73 F), humidity: 54%, wind: 1 m/s (1 kts) from NNW
Estimated seismic energy released2.2 x 107 joules (6.22 kilowatt hours) | about seismic energy
Show interactive Map
[smaller] [bigger]

Nearby places

Distance Place Max. shaking intensity(*) Region Country
4 km (2 mi)
SW of epicenter
(pop: 855)
Not felt
Nomos Larisis, Thessaly
13 km (8 mi)
W of epicenter
(pop: 1,600)
Not felt
Nomos Larisis, Thessaly
15 km (9 mi)
E of epicenter
(pop: 10,800)
Not felt
Nomos Larisis, Thessaly
16 km (10 mi)
NNE of epicenter
(pop: 7,060)
Not felt
Nomos Larisis, Thessaly
29 km (18 mi)
ESE of epicenter
(pop: 144,700)
Not felt
Nomos Larisis, Thessaly
38 km (24 mi)
SW of epicenter
(pop: 61,700)
Not felt
Trikala, Thessaly
47 km (29 mi)
SSW of epicenter
(pop: 32,800)
Not felt
Nomos Kardhitsas, Thessaly
242 km (150 mi)
SE of epicenter
(pop: 664,000)
Not felt
Nomarchia Athinas, Attica
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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 Time GMT Epicenter Agency
1.7 14 km (8.5 mi) 2023-09-23 01:41:43 Greece: 5 Km S From Elassona NOA (National Observatory of Athens)
1.7 14 km (8.5 mi) 2023-09-23 01:41:43 Greece
0 km (0 mi) epicenter difference with NOA
RaspberryShake (RaspberryShake)

User-reports for this quake

At magnitude 1.7, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Design upgrade
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Stop Russia's Agression - Support Ukraine
Significant parts of this website use brilliant open-source software developed by Ukrainians. Russia's unprovoked war has killed tens of thousands, displaced millions, and the beautiful country of Ukraine is being destroyed. We cannot be silent even if the topic of this website has nothing to do with politics.
If you like to support Ukraine from abroad:
Ukrainians recommend the Come Back Alive charity. For other options, see StandWithUkraine.
Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.
Volcanoes & Earthquakes
VolcanoDiscovery Home
Volcanoes | Earthquakes | Photos | Volcano News | App
Adventure & Study Travel
Tours to Volcanoes and Volcanic Areas: walking tours, photo tours, study tours
Tours & Dates | FAQ | About us
Get our newsletter!
Company info
Contact | Legal info | Terms & conditions
Follow us
Follow us on facebook Follow us on Instagram Follow us on Twitter Visit our Youtube channel
EN | DE | EL | ES | FR | IT | RU
VolcanoDiscovery GmbH, Germany, Reg. nr.: HRB 103744, EU Tax Id: DE 297 465 123 owned and created by
Dr. Tom Pfeiffer, volcanologist, volcano photographer, tour organizer member of
Volcanological Society
Ecotourism Greece
Insured by R+V
VolcanoDiscovery © 2004- All Rights Reserved | Privacy - cookie settings