Earthquake with magnitude of ML 2.1 on date 04-06-2023 and time 16:32:22 (UTC) in region 8 km E Bronte (CT)

A magnitude ML 2.1 earthquake occured in region: 8 km E Bronte (CT), on

  • 04-06-2023 16:32:22 (UTC)
  • 04-06-2023 18:32:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7680, 14.9170 at 20 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 8 19172 19172
Maletto CT 8 3920 23092
Randazzo CT 13 10900 33992
Adrano CT 14 36122 70114
Maniace CT 14 3765 73879
Biancavilla CT 15 24007 97886
Ragalna CT 15 3924 101810
Santa Maria di Licodia CT 17 7641 109451
Santa Domenica Vittoria ME 17 980 110431
Milo CT 18 1087 111518
Zafferana Etnea CT 18 9517 121035
Moio Alcantara ME 19 717 121752
Nicolosi CT 20 7463 129215
CesarĂ² ME 20 2439 131654

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
33 Km NW of Catania (314555 inhabitants)
74 Km SW of Messina (238439 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
98 Km NE of Gela (75827 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 2.1 2023-06-04
37.768 14.917 19 2023-06-04
Sala Operativa INGV_OE (Catania) 118101431
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 2023-06-04 16:32:22
Latitude 37.7680
Longitude 14.9170
Depth (km) 19 (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 118101431


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) 500.0
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
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) 0.33
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 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 118101431
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-06-04 16:39:44
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
Waveforms Seismic signals in miniseed + resp format Download