Earthquake with magnitude of ML 1.7 on date 30-09-2023 and time 02:26:12 (UTC) in region 11 km NW Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 11 km NW Milo (CT), on

  • 30-09-2023 02:26:12 (UTC)
  • 30-09-2023 04:26:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7880, 15.0140 at 13 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
Milo CT 12 1087 1087
Randazzo CT 12 10900 11987
Sant'Alfio CT 12 1582 13569
Moio Alcantara ME 13 717 14286
Linguaglossa CT 13 5403 19689
Zafferana Etnea CT 13 9517 29206
Maletto CT 14 3920 33126
Castiglione di Sicilia CT 14 3215 36341
Piedimonte Etneo CT 15 3963 40304
Santa Domenica Vittoria ME 15 980 41284
Malvagna ME 15 733 42017
Santa Venerina CT 16 8592 50609
Bronte CT 16 19172 69781
Roccella Valdemone ME 16 666 70447
Giarre CT 16 27659 98106
Mascali CT 16 14282 112388
Francavilla di Sicilia ME 17 3945 116333
Fiumefreddo di Sicilia CT 17 9623 125956
Riposto CT 18 14838 140794
Motta Camastra ME 19 845 141639
Ragalna CT 19 3924 145563
Nicolosi CT 19 7463 153026
Calatabiano CT 19 5308 158334
Pedara CT 19 14102 172436
Trecastagni CT 20 10910 183346
Maniace CT 20 3765 187111
Gaggi ME 20 3184 190295

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Acireale (52622 inhabitants)
32 Km N of Catania (314555 inhabitants)
66 Km SW of Messina (238439 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
99 Km N 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 1.7 2023-09-30
02:26:12
37.788 15.014 13 2023-09-30
02:33:21
Sala Operativa INGV_OE (Catania) 121601721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-30 02:26:12
Latitude 37.7880
Longitude 15.0140
Depth (km) 13 (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 121601721

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) 74
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) 0.3
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:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 121601721
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-30 02:33:21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download