Earthquake with magnitude of ML 1.3 on date 10-12-2023 and time 21:59:43 (Italy) in region 2 km NW Sant'Alfio (CT)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Sant'Alfio (CT), on

  • 10-12-2023 20:59:43 (UTC)
  • 10-12-2023 21:59:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7590, 15.1330 at 3 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 2 1582 1582
Milo CT 4 1087 2669
Mascali CT 6 14282 16951
Giarre CT 6 27659 44610
Piedimonte Etneo CT 7 3963 48573
Riposto CT 7 14838 63411
Zafferana Etnea CT 8 9517 72928
Fiumefreddo di Sicilia CT 8 9623 82551
Santa Venerina CT 8 8592 91143
Linguaglossa CT 9 5403 96546
Calatabiano CT 11 5308 101854
Gaggi ME 14 3184 105038
Castiglione di Sicilia CT 14 3215 108253
Giardini-Naxos ME 16 9415 117668
Motta Camastra ME 16 845 118513
Francavilla di Sicilia ME 16 3945 122458
Trecastagni CT 16 10910 133368
Acireale CT 17 52622 185990
Viagrande CT 17 8563 194553
Taormina ME 17 10960 205513
Aci Sant'Antonio CT 17 17984 223497
Pedara CT 17 14102 237599
Castelmola ME 17 1088 238687
Graniti ME 17 1492 240179
Moio Alcantara ME 17 717 240896
Aci Catena CT 17 29851 270747
Aci Bonaccorsi CT 18 3524 274271
Nicolosi CT 19 7463 281734
Malvagna ME 19 733 282467
Valverde CT 20 7840 290307

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
60 Km SW of Reggio di Calabria (183035 inhabitants)
61 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
99 Km E of Caltanissetta (63360 inhabitants)
99 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 1.3 2023-12-10
20:59:43
37.759 15.133 3 2023-12-10
21:06:13
Sala Operativa INGV_OE (Catania) 123947641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-10 20:59:43
Latitude 37.7590
Longitude 15.1330
Depth (km) 3 (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 123947641

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) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
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) 0.08
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:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 123947641
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-12-10 21:06:13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download