Earthquake with magnitude of ML 1.2 on date 17-10-2023 and time 15:29:46 (UTC) in region 3 km SW Castiglione di Sicilia (CT)

A magnitude ML 1.2 earthquake occured in region: 3 km SW Castiglione di Sicilia (CT), on

  • 17-10-2023 15:29:46 (UTC)
  • 17-10-2023 17:29:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8660, 15.1020 at 0 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
Castiglione di Sicilia CT 3 3215 3215
Linguaglossa CT 5 5403 8618
Francavilla di Sicilia ME 5 3945 12563
Moio Alcantara ME 6 717 13280
Motta Camastra ME 7 845 14125
Malvagna ME 7 733 14858
Piedimonte Etneo CT 9 3963 18821
Gaggi ME 11 3184 22005
Roccella Valdemone ME 11 666 22671
Graniti ME 11 1492 24163
Calatabiano CT 12 5308 29471
Fiumefreddo di Sicilia CT 12 9623 39094
Santa Domenica Vittoria ME 14 980 40074
Randazzo CT 14 10900 50974
Sant'Alfio CT 14 1582 52556
Mascali CT 15 14282 66838
Fondachelli-Fantina ME 15 1019 67857
Castelmola ME 15 1088 68945
Giardini-Naxos ME 16 9415 78360
Milo CT 16 1087 79447
Mongiuffi Melia ME 16 600 80047
Taormina ME 16 10960 91007
Roccafiorita ME 16 197 91204
Giarre CT 17 27659 118863
Novara di Sicilia ME 17 1337 120200
Limina ME 17 836 121036
Riposto CT 17 14838 135874
Gallodoro ME 17 367 136241
Antillo ME 18 919 137160
Letojanni ME 18 2861 140021
Zafferana Etnea CT 19 9517 149538
Montalbano Elicona ME 19 2287 151825
Santa Venerina CT 20 8592 160417

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Acireale (52622 inhabitants)
40 Km N of Catania (314555 inhabitants)
54 Km SW of Messina (238439 inhabitants)
55 Km SW of Reggio di Calabria (183035 inhabitants)
91 Km N of Siracusa (122291 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 1.2 2023-10-17
15:29:46
37.866 15.102 0 2023-10-17
16:52:33
Sala Operativa INGV_OE (Catania) 122158521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-17 15:29:46
Latitude 37.8660
Longitude 15.1020
Depth (km) 0 (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 122158521

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) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
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) 0.22
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:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 122158521
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-10-17 16:52:33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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