Earthquake with magnitude of ML 1.7 on date 23-08-2023 and time 18:26:18 (Italy) in region 8 km NW Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 8 km NW Milo (CT), on

  • 23-08-2023 16:26:18 (UTC)
  • 23-08-2023 18:26:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7770, 15.0580 at 10 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 8 1087 1087
Sant'Alfio CT 8 1582 2669
Zafferana Etnea CT 10 9517 12186
Linguaglossa CT 11 5403 17589
Piedimonte Etneo CT 11 3963 21552
Santa Venerina CT 12 8592 30144
Giarre CT 12 27659 57803
Mascali CT 12 14282 72085
Castiglione di Sicilia CT 13 3215 75300
Fiumefreddo di Sicilia CT 13 9623 84923
Moio Alcantara ME 14 717 85640
Riposto CT 14 14838 100478
Randazzo CT 15 10900 111378
Francavilla di Sicilia ME 16 3945 115323
Calatabiano CT 16 5308 120631
Malvagna ME 16 733 121364
Motta Camastra ME 17 845 122209
Gaggi ME 17 3184 125393
Santa Domenica Vittoria ME 18 980 126373
Pedara CT 18 14102 140475
Trecastagni CT 18 10910 151385
Maletto CT 18 3920 155305
Roccella Valdemone ME 18 666 155971
Nicolosi CT 18 7463 163434
Viagrande CT 19 8563 171997
Ragalna CT 19 3924 175921
Graniti ME 20 1492 177413
Bronte CT 20 19172 196585
Aci Sant'Antonio CT 20 17984 214569

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
31 Km N of Catania (314555 inhabitants)
63 Km SW of Reggio di Calabria (183035 inhabitants)
64 Km SW of Messina (238439 inhabitants)
82 Km N of Siracusa (122291 inhabitants)
93 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 2023-08-23
16:26:18
37.777 15.058 10 2023-08-23
16:39:15
Sala Operativa INGV_OE (Catania) 120414311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-23 16:26:18
Latitude 37.7770
Longitude 15.0580
Depth (km) 10 (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 120414311

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) 97
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) 0.24
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 120414311
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-08-23 16:39:15
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