Earthquake with magnitude of ML 1.9 on date 04-06-2023 and time 18:15:55 (UTC) in region 8 km SE Bronte (CT)

A magnitude ML 1.9 earthquake occured in region: 8 km SE Bronte (CT), on

  • 04-06-2023 18:15:55 (UTC)
  • 04-06-2023 20:15:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 14.9060 at 27 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 10 3920 23092
Adrano CT 12 36122 59214
Biancavilla CT 12 24007 83221
Ragalna CT 14 3924 87145
Randazzo CT 15 10900 98045
Santa Maria di Licodia CT 15 7641 105686
Maniace CT 15 3765 109451
Nicolosi CT 18 7463 116914
Zafferana Etnea CT 18 9517 126431
Belpasso CT 19 28108 154539
Milo CT 19 1087 155626
PaternĂ² CT 19 48228 203854
Santa Domenica Vittoria ME 19 980 204834
Pedara CT 20 14102 218936

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
32 Km NW of Catania (314555 inhabitants)
76 Km SW of Messina (238439 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
84 Km NW of Siracusa (122291 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
96 Km NE of Gela (75827 inhabitants)
100 Km N of Modica (54633 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
Bulletin
Rev1000
ML 1.9 2023-06-04
18:15:55
37.7502 14.9062 27 2024-09-10
16:44:27
Bollettino Sismico Italiano INGV 127738471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 18:15:55 ± 0.16
Latitude 37.7502 ± 0.0054
Longitude 14.9062 ± 0.0080
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 127738471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 766
Semi-minor axis of confidence ellipse (meter) 111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.60704
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 127738471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-05-15 10:28:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2023-06-04T18:16:17.46 0.6 undecidable manual S 167 67.377 106 0.51 41
IV.AIO.HHZ. 2023-06-04T18:16:10.05 0.6 undecidable manual S 49 37.7289 120 0.43 44
IV.MUCR.HHZ. 2023-06-04T18:16:08.35 0.6 undecidable manual S 355 32.6451 124 -0.11 48
IV.SSY.HHZ. 2023-06-04T18:16:07.98 0.3 undecidable manual P 167 67.377 106 -0.09 67
IV.EPMN.HHZ. 2023-06-04T18:16:06.91 0.6 undecidable manual S 72 25.0527 132 0.04 49
IV.ESML.HHZ. 2023-06-04T18:16:05.24 0.6 undecidable manual S 189 14.874 148 0.12 49
IV.EPIT.HHZ. 2023-06-04T18:16:05.03 0.6 undecidable manual S 63 14.874 148 -0.09 49
IV.EMNR.HHZ. 2023-06-04T18:16:05.26 0.6 undecidable manual S 55 12.876 152 0.41 46
IV.ECBD.HHN. 2023-06-04T18:16:05.77 0.6 undecidable manual S 78 16.1727 146 0.46 45
IV.ESPC.HHN. 2023-06-04T18:16:04.10 0.6 undecidable manual S 121 12.3765 153 -0.7 42
IV.MSFR.HHZ. 2023-06-04T18:16:04.67 0.1 undecidable manual P 319 41.8248 117 0.29 90
IV.EPZF.HHZ. 2023-06-04T18:16:04.74 0.6 undecidable manual S 332 9.2796 159 0.29 47
IV.ECHR.HHE. 2023-06-04T18:16:04.62 0.6 undecidable manual S 175 7.0929 164 0.35 47
IV.EMSG.HHZ. 2023-06-04T18:16:03.97 0.6 undecidable manual S 26 8.6802 160 -0.43 46
IV.AIO.HHZ. 2023-06-04T18:16:03.91 0.1 undecidable manual P 49 37.7289 120 0.08 94
IV.MUCR.HHZ. 2023-06-04T18:16:02.95 0.1 undecidable manual P 355 32.6451 124 -0.2 93
IV.EPMN.HHZ. 2023-06-04T18:16:02.14 0.1 undecidable manual P 72 25.0527 132 -0.1 97
IV.EPOZ.HHZ. 2023-06-04T18:16:02.75 0.3 undecidable manual P 109 26.2515 131 0.37 68
IV.EMCN.HHN. 2023-06-04T18:16:01.00 0.3 undecidable manual P 68 12.0768 153 -0.02 75
IV.EPIT.HHZ. 2023-06-04T18:16:01.22 0.1 undecidable manual P 63 14.874 148 -0.01 100
IV.EMNR.HHZ. 2023-06-04T18:16:01.17 0.1 undecidable manual P 55 12.876 152 0.1 98
IV.ECBD.HHN. 2023-06-04T18:16:01.28 0.3 undecidable manual P 78 16.1727 146 -0.06 74
IV.ESML.HHZ. 2023-06-04T18:16:01.62 0.1 undecidable manual P 189 14.874 148 0.39 92
IV.ESAL.HHE. 2023-06-04T18:16:01.83 0.3 undecidable manual P 88 20.0688 139 0.12 72
IV.EMPL.HHZ. 2023-06-04T18:16:00.78 0.3 undecidable manual P 144 9.6792 158 -0.09 74
IV.ECHR.HHE. 2023-06-04T18:16:00.86 0.1 undecidable manual P 175 7.0929 164 0.12 99
IV.EMFS.HHE. 2023-06-04T18:16:00.59 0.1 undecidable manual P 113 8.7801 160 -0.22 97
IV.ESPC.HHN. 2023-06-04T18:16:00.40 0.1 undecidable manual P 121 12.3765 153 -0.64 86
IV.ESVO.HHE. 2023-06-04T18:16:00.92 0.3 undecidable manual P 55 4.3956 170 0.28 72
IV.EMFO.HHE. 2023-06-04T18:16:00.71 0.3 undecidable manual P 96 16.2726 146 -0.63 64
IV.EMSG.HHZ. 2023-06-04T18:16:00.55 0.1 undecidable manual P 26 8.6802 160 -0.27 96
IV.ESLN.HHZ. 2023-06-04T18:16:00.62 0.3 undecidable manual P 136 8.6802 160 -0.2 73
IV.EPZF.HHZ. 2023-06-04T18:16:00.78 0.1 undecidable manual P 332 9.2796 159 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HNE. ML:2.1 0.000759 0.54 AML other m 2023-06-04T18:16:05.41
IV.EPZF.HHE. ML:2.1 0.000768 0.54 AML other m 2023-06-04T18:16:05.15
IV.EPZF.HHN. ML:2.1 0.000665 0.44 AML other m 2023-06-04T18:16:05.52
IV.EPZF.HNN. ML:2.1 0.0006725 0.46 AML other m 2023-06-04T18:16:05.52
IV.ESML.HHN. ML:1.7 0.000229 0.72 AML other m 2023-06-04T18:16:06.81
IV.ESML.HHE. ML:1.7 0.0002725 0.54 AML other m 2023-06-04T18:16:06.83
IV.ESML.HNN. ML:1.7 0.00027 0.66 AML other m 2023-06-04T18:16:06.83
IV.ESML.HNE. ML:1.8 0.00033099999999999997 0.56 AML other m 2023-06-04T18:16:06.55
IV.EMSG.HHE. ML:2.0 0.000508 0.3 AML other m 2023-06-04T18:16:07.24
IV.EMSG.HHN. ML:1.9 0.0004465 0.3 AML other m 2023-06-04T18:16:07.60
IV.EPMN.HHN. ML:1.8 0.000262 0.86 AML other m 2023-06-04T18:16:08.44
IV.EPMN.HHE. ML:2.0 0.0003825 0.5 AML other m 2023-06-04T18:16:08.77
IV.MUCR.HHE. ML:1.5 0.00009335 0.5 AML other m 2023-06-04T18:16:09.66
IV.MUCR.HHN. ML:1.2 0.0000519 0.84 AML other m 2023-06-04T18:16:13.20
IV.SSY.HHE. ML:1.8 0.0000941 0.78 AML other m 2023-06-04T18:16:17.72
IV.SSY.HHN. ML:2.0 0.0001465 0.3 AML other m 2023-06-04T18:16:21.60
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