Earthquake with magnitude of ML 1.4 on date 14-09-2023 and time 17:22:19 (Italy) in region 3 km NW Sant'Alfio (CT)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Sant'Alfio (CT), on

  • 14-09-2023 15:22:19 (UTC)
  • 14-09-2023 17:22:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7660, 15.1280 at 5 km depth.

The earthquake was located by: Sala Operativa INGV_OE (Catania).

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sant'Alfio CT 3 1582 1582
Milo CT 5 1087 2669
Mascali CT 6 14282 16951
Giarre CT 6 27659 44610
Piedimonte Etneo CT 7 3963 48573
Riposto CT 8 14838 63411
Fiumefreddo di Sicilia CT 8 9623 73034
Zafferana Etnea CT 8 9517 82551
Linguaglossa CT 9 5403 87954
Santa Venerina CT 9 8592 96546
Calatabiano CT 11 5308 101854
Castiglione di Sicilia CT 13 3215 105069
Gaggi ME 14 3184 108253
Motta Camastra ME 15 845 109098
Francavilla di Sicilia ME 15 3945 113043
Giardini-Naxos ME 16 9415 122458
Moio Alcantara ME 16 717 123175
Graniti ME 17 1492 124667
Castelmola ME 17 1088 125755
Taormina ME 17 10960 136715
Trecastagni CT 17 10910 147625
Acireale CT 17 52622 200247
Viagrande CT 17 8563 208810
Pedara CT 18 14102 222912
Aci Sant'Antonio CT 18 17984 240896
Aci Catena CT 18 29851 270747
Malvagna ME 18 733 271480
Aci Bonaccorsi CT 19 3524 275004
Nicolosi CT 19 7463 282467

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
59 Km SW of Reggio di Calabria (183035 inhabitants)
61 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
99 Km E of Caltanissetta (63360 inhabitants)
100 Km NE of Ragusa (73313 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev200
ML 1.4 2023-09-14
15:22:19
37.766 15.128 5 2023-09-14
15:26:41
Sala Operativa INGV_OE (Catania) 121052391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-14 15:22:19
Latitude 37.7660
Longitude 15.1280
Depth (km) 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#SeismPicker_SO-OE
Event type earthquake
Origin ID 121052391

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 121052391
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-14 15:26:41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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