Earthquake with magnitude of ML 1.1 on date 18-09-2023 and time 22:51:20 (UTC) in region 4 km SE Santa Venerina (CT)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Santa Venerina (CT), on

  • 18-09-2023 22:51:20 (UTC)
  • 19-09-2023 00:51:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6690, 15.1720 at 6 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
Santa Venerina CT 4 8592 8592
Acireale CT 6 52622 61214
Zafferana Etnea CT 7 9517 70731
Giarre CT 7 27659 98390
Aci Catena CT 8 29851 128241
Riposto CT 8 14838 143079
Milo CT 8 1087 144166
Aci Sant'Antonio CT 8 17984 162150
Sant'Alfio CT 9 1582 163732
Viagrande CT 9 8563 172295
Aci Bonaccorsi CT 10 3524 175819
Trecastagni CT 10 10910 186729
Mascali CT 10 14282 201011
Valverde CT 11 7840 208851
Pedara CT 11 14102 222953
San Giovanni la Punta CT 12 23060 246013
San Gregorio di Catania CT 13 11966 257979
Aci Castello CT 13 18723 276702
Tremestieri Etneo CT 14 20589 297291
Nicolosi CT 14 7463 304754
Fiumefreddo di Sicilia CT 14 9623 314377
Sant'Agata li Battiati CT 15 9479 323856
Mascalucia CT 15 31958 355814
Gravina di Catania CT 15 25838 381652
Piedimonte Etneo CT 16 3963 385615
San Pietro Clarenza CT 17 7743 393358
Calatabiano CT 18 5308 398666
Camporotondo Etneo CT 18 5023 403689
Belpasso CT 19 28108 431797
Linguaglossa CT 19 5403 437200
Catania CT 20 314555 751755

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km N of Acireale (52622 inhabitants)
20 Km NE of Catania (314555 inhabitants)
64 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km SW of Messina (238439 inhabitants)
69 Km N of Siracusa (122291 inhabitants)
91 Km NE of Ragusa (73313 inhabitants)
97 Km NE of Modica (54633 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
100 Km E of Caltanissetta (63360 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 1.1 2023-09-18
22:51:20
37.669 15.172 6 2023-09-19
00:16:40
Sala Operativa INGV_OE (Catania) 121212461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-18 22:51:20
Latitude 37.6690
Longitude 15.1720
Depth (km) 6 (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 121212461

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) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
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) 0.11
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 121212461
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-19 00:16:40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download