Earthquake with magnitude of ML 1.4 on date 19-09-2023 and time 20:37:02 (UTC) in region 5 km SW Zafferana Etnea (CT)

A magnitude ML 1.4 earthquake occured in region: 5 km SW Zafferana Etnea (CT), on

  • 19-09-2023 20:37:02 (UTC)
  • 19-09-2023 22:37:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6690, 15.0600 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
Zafferana Etnea CT 5 9517 9517
Pedara CT 6 14102 23619
Trecastagni CT 6 10910 34529
Nicolosi CT 7 7463 41992
Viagrande CT 7 8563 50555
Santa Venerina CT 7 8592 59147
Milo CT 8 1087 60234
Aci Bonaccorsi CT 9 3524 63758
Aci Sant'Antonio CT 9 17984 81742
Tremestieri Etneo CT 10 20589 102331
Aci Catena CT 10 29851 132182
Mascalucia CT 11 31958 164140
San Giovanni la Punta CT 11 23060 187200
San Pietro Clarenza CT 11 7743 194943
Belpasso CT 11 28108 223051
Sant'Alfio CT 11 1582 224633
Acireale CT 11 52622 277255
Valverde CT 11 7840 285095
Ragalna CT 11 3924 289019
Gravina di Catania CT 12 25838 314857
Camporotondo Etneo CT 12 5023 319880
San Gregorio di Catania CT 12 11966 331846
Sant'Agata li Battiati CT 12 9479 341325
Giarre CT 13 27659 368984
Aci Castello CT 15 18723 387707
Riposto CT 15 14838 402545
Mascali CT 16 14282 416827
Santa Maria di Licodia CT 16 7641 424468
Biancavilla CT 17 24007 448475
Misterbianco CT 17 49410 497885
PaternĂ² CT 17 48228 546113
Catania CT 19 314555 860668
Piedimonte Etneo CT 19 3963 864631
Motta Sant'Anastasia CT 19 12116 876747
Fiumefreddo di Sicilia CT 19 9623 886370

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of Acireale (52622 inhabitants)
19 Km N of Catania (314555 inhabitants)
71 Km N of Siracusa (122291 inhabitants)
71 Km SW of Reggio di Calabria (183035 inhabitants)
73 Km SW of Messina (238439 inhabitants)
88 Km NE of Ragusa (73313 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
94 Km N of Modica (54633 inhabitants)
98 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 2023-09-19
20:37:02
37.669 15.06 9 2023-09-19
21:23:44
Sala Operativa INGV_OE (Catania) 121243551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 20:37:02
Latitude 37.6690
Longitude 15.0600
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 121243551

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) 68
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) 0.21
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 121243551
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-19 21:23:44
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