Earthquake with magnitude of ML 1.4 on date 20-09-2023 and time 03:57:00 (UTC) in region 6 km N Pedara (CT)

A magnitude ML 1.4 earthquake occured in region: 6 km N Pedara (CT), on

  • 20-09-2023 03:57:00 (UTC)
  • 20-09-2023 05:57:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6690, 15.0420 at 9 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
Pedara CT 6 14102 14102
Nicolosi CT 6 7463 21565
Zafferana Etnea CT 6 9517 31082
Trecastagni CT 7 10910 41992
Viagrande CT 8 8563 50555
Santa Venerina CT 9 8592 59147
Milo CT 9 1087 60234
Aci Bonaccorsi CT 10 3524 63758
Ragalna CT 10 3924 67682
Aci Sant'Antonio CT 10 17984 85666
Belpasso CT 10 28108 113774
Tremestieri Etneo CT 11 20589 134363
Mascalucia CT 11 31958 166321
San Pietro Clarenza CT 11 7743 174064
San Giovanni la Punta CT 11 23060 197124
Aci Catena CT 12 29851 226975
Camporotondo Etneo CT 12 5023 231998
Gravina di Catania CT 12 25838 257836
Valverde CT 12 7840 265676
Sant'Alfio CT 12 1582 267258
Acireale CT 13 52622 319880
Sant'Agata li Battiati CT 13 9479 329359
San Gregorio di Catania CT 13 11966 341325
Giarre CT 14 27659 368984
Santa Maria di Licodia CT 15 7641 376625
Biancavilla CT 15 24007 400632
Aci Castello CT 16 18723 419355
PaternĂ² CT 16 48228 467583
Riposto CT 16 14838 482421
Misterbianco CT 17 49410 531831
Mascali CT 17 14282 546113
Motta Sant'Anastasia CT 18 12116 558229
Adrano CT 18 36122 594351
Catania CT 19 314555 908906
Piedimonte Etneo CT 20 3963 912869

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of Acireale (52622 inhabitants)
19 Km N of Catania (314555 inhabitants)
71 Km NW of Siracusa (122291 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
74 Km SW of Messina (238439 inhabitants)
87 Km NE of Ragusa (73313 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
93 Km N of Modica (54633 inhabitants)
97 Km NE of Gela (75827 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 2023-09-20
03:57:00
37.669 15.042 9 2023-09-20
05:08:57
Sala Operativa INGV_OE (Catania) 121260051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-20 03:57:00
Latitude 37.6690
Longitude 15.0420
Depth (km) 9 (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 121260051

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) 76
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) 0.2
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 121260051
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-20 05:08:57
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