Earthquake with magnitude of ML 1.9 on date 04-06-2023 and time 17:26:56 (UTC) in region 6 km SE Bronte (CT)

A magnitude ML 1.9 earthquake occured in region: 6 km SE Bronte (CT), on

  • 04-06-2023 17:26:56 (UTC)
  • 04-06-2023 19:26:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 14.8740 at 22 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
Bronte CT 6 19172 19172
Maletto CT 9 3920 23092
Adrano CT 10 36122 59214
Biancavilla CT 12 24007 83221
Maniace CT 14 3765 86986
Ragalna CT 14 3924 90910
Santa Maria di Licodia CT 15 7641 98551
Randazzo CT 16 10900 109451
CesarĂ² ME 18 2439 111890
Centuripe EN 18 5470 117360
San Teodoro ME 19 1403 118763
PaternĂ² CT 19 48228 166991
Belpasso CT 20 28108 195099

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Acireale (52622 inhabitants)
33 Km NW of Catania (314555 inhabitants)
77 Km E of Caltanissetta (63360 inhabitants)
78 Km SW of Messina (238439 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
94 Km NE of Vittoria (63339 inhabitants)
94 Km NE of Gela (75827 inhabitants)
100 Km N of Modica (54633 inhabitants)
Recent and historical seismicity
Seismic hazard
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
ML 1.9 2023-06-04
37.75 14.874 21 2023-06-04
Sala Operativa INGV_OE (Catania) 118104501
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 2023-06-04 17:26:56
Latitude 37.7500
Longitude 14.8740
Depth (km) 21 (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 118104501


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) 900.0
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.23
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


Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 118104501
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-06-04 17:32:08
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download