Earthquake with magnitude of ML 1.4 on date 15-11-2023 and time 21:42:52 (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

  • 15-11-2023 20:42:52 (UTC)
  • 15-11-2023 21:42:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7600, 15.1190 at 8 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 4 1087 2669
Giarre CT 7 27659 30328
Mascali CT 7 14282 44610
Zafferana Etnea CT 7 9517 54127
Piedimonte Etneo CT 8 3963 58090
Riposto CT 8 14838 72928
Santa Venerina CT 8 8592 81520
Fiumefreddo di Sicilia CT 9 9623 91143
Linguaglossa CT 9 5403 96546
Calatabiano CT 12 5308 101854
Castiglione di Sicilia CT 14 3215 105069
Gaggi ME 15 3184 108253
Francavilla di Sicilia ME 16 3945 112198
Motta Camastra ME 16 845 113043
Trecastagni CT 16 10910 123953
Giardini-Naxos ME 17 9415 133368
Viagrande CT 17 8563 141931
Pedara CT 17 14102 156033
Moio Alcantara ME 17 717 156750
Acireale CT 17 52622 209372
Aci Sant'Antonio CT 17 17984 227356
Graniti ME 18 1492 228848
Aci Catena CT 18 29851 258699
Taormina ME 18 10960 269659
Castelmola ME 18 1088 270747
Aci Bonaccorsi CT 18 3524 274271
Nicolosi CT 18 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)
62 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
98 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 1.4 2023-11-15
20:42:52
37.76 15.119 8 2023-11-15
20:48:06
Sala Operativa INGV_OE (Catania) 123155431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-15 20:42:52
Latitude 37.7600
Longitude 15.1190
Depth (km) 8 (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 123155431

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) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
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) 0.06
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 123155431
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-11-15 20:48:06
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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