Earthquake with magnitude of ML 1.0 on date 03-09-2023 and time 01:45:13 (Italy) in region 7 km N Nicolosi (CT)

A magnitude ML 1.0 earthquake occured in region: 7 km N Nicolosi (CT), on

  • 02-09-2023 23:45:13 (UTC)
  • 03-09-2023 01:45:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6740, 15.0280 at 8 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
Nicolosi CT 7 7463 7463
Pedara CT 7 14102 21565
Zafferana Etnea CT 7 9517 31082
Trecastagni CT 8 10910 41992
Ragalna CT 9 3924 45916
Viagrande CT 9 8563 54479
Milo CT 10 1087 55566
Santa Venerina CT 10 8592 64158
Belpasso CT 10 28108 92266
Aci Bonaccorsi CT 11 3524 95790
San Pietro Clarenza CT 11 7743 103533
Mascalucia CT 11 31958 135491
Aci Sant'Antonio CT 11 17984 153475
Tremestieri Etneo CT 12 20589 174064
Camporotondo Etneo CT 12 5023 179087
San Giovanni la Punta CT 12 23060 202147
Aci Catena CT 13 29851 231998
Gravina di Catania CT 13 25838 257836
Sant'Alfio CT 13 1582 259418
Sant'Agata li Battiati CT 14 9479 268897
Valverde CT 14 7840 276737
Santa Maria di Licodia CT 14 7641 284378
San Gregorio di Catania CT 14 11966 296344
Acireale CT 14 52622 348966
Biancavilla CT 14 24007 372973
Giarre CT 15 27659 400632
PaternĂ² CT 15 48228 448860
Aci Castello CT 17 18723 467583
Riposto CT 17 14838 482421
Misterbianco CT 17 49410 531831
Adrano CT 17 36122 567953
Mascali CT 18 14282 582235
Motta Sant'Anastasia CT 19 12116 594351
Catania CT 20 314555 908906
Piedimonte Etneo CT 20 3963 912869

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Acireale (52622 inhabitants)
20 Km N of Catania (314555 inhabitants)
72 Km NW of Siracusa (122291 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
74 Km SW of Messina (238439 inhabitants)
87 Km N of Ragusa (73313 inhabitants)
87 Km E of Caltanissetta (63360 inhabitants)
91 Km NE of Vittoria (63339 inhabitants)
94 Km N of Modica (54633 inhabitants)
96 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 1.0 2023-09-02
23:45:13
37.674 15.028 8 2023-09-03
00:02:53
Sala Operativa INGV_OE (Catania) 120700181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-02 23:45:13
Latitude 37.6740
Longitude 15.0280
Depth (km) 8 (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 120700181

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) 52
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) 0.12
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 120700181
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-09-03 00:02:53
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