Earthquake with magnitude of ML 1.8 on date 04-06-2023 and time 21:01:18 (Italy) in region 9 km E Bronte (CT)

A magnitude ML 1.8 earthquake occured in region: 9 km E Bronte (CT), on

  • 04-06-2023 19:01:18 (UTC)
  • 04-06-2023 21:01:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7570, 14.9300 at 24 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 9 19172 19172
Maletto CT 10 3920 23092
Adrano CT 14 36122 59214
Randazzo CT 14 10900 70114
Biancavilla CT 14 24007 94121
Ragalna CT 14 3924 98045
Santa Maria di Licodia CT 16 7641 105686
Maniace CT 16 3765 109451
Zafferana Etnea CT 17 9517 118968
Milo CT 17 1087 120055
Nicolosi CT 18 7463 127518
Santa Domenica Vittoria ME 18 980 128498
Belpasso CT 19 28108 156606
Sant'Alfio CT 19 1582 158188
Moio Alcantara ME 19 717 158905
Pedara CT 19 14102 173007
Santa Venerina CT 20 8592 181599
PaternĂ² CT 20 48228 229827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Acireale (52622 inhabitants)
31 Km NW of Catania (314555 inhabitants)
73 Km SW of Messina (238439 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
84 Km NW of Siracusa (122291 inhabitants)
94 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
97 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
Bulletin
Rev1000
ML 1.8 2023-06-04
19:01:18
37.7568 14.9302 24 2024-09-10
16:44:27
Bollettino Sismico Italiano INGV 127748801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 19:01:18 ± 0.15
Latitude 37.7568 ± 0.0072
Longitude 14.9302 ± 0.0136
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 127748801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1195
Semi-minor axis of confidence ellipse (meter) 484
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 127748801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-05-15 15:00:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2023-06-04T19:01:39.94 0.6 undecidable manual S 169 67.6767 103 0.22 43
IV.MSFR.HHZ. 2023-06-04T19:01:34.18 0.6 undecidable manual S 316 42.7239 112 0.81 38
IV.AIO.HHZ. 2023-06-04T19:01:32.56 0.6 undecidable manual S 48 35.6421 117 0.91 36
IV.SSY.HHZ. 2023-06-04T19:01:30.55 0.3 undecidable manual P 169 67.6767 103 -0.33 63
IV.MUCR.HHZ. 2023-06-04T19:01:30.82 0.6 undecidable manual S 351 32.1456 120 -0.01 47
IV.ESML.HNE. 2023-06-04T19:01:28.34 0.6 undecidable manual S 196 15.9729 142 0.79 39
IV.EPZF.HHZ. 2023-06-04T19:01:27.23 0.6 undecidable manual S 319 9.879 155 0.53 44
IV.EMPL.HHZ. 2023-06-04T19:01:27.11 0.6 undecidable manual S 158 9.2796 156 0.47 45
IV.MSFR.HHZ. 2023-06-04T19:01:27.07 0.3 undecidable manual P 316 42.7239 112 -0.14 68
IV.EMCN.HHZ. 2023-06-04T19:01:26.54 0.6 undecidable manual S 67 9.879 155 -0.16 48
IV.EMSG.HHZ. 2023-06-04T19:01:26.39 0.6 undecidable manual S 14 7.2927 161 -0.05 49
IV.ECHR.HNZ. 2023-06-04T19:01:26.60 0.6 undecidable manual S 191 7.9809 160 0.1 49
IV.EMNR.HHZ. 2023-06-04T19:01:26.45 0.6 undecidable manual S 52 10.6782 153 -0.35 46
IV.AIO.HHZ. 2023-06-04T19:01:26.34 0.1 undecidable manual P 48 35.6421 117 0.13 93
IV.ESPC.HHN. 2023-06-04T19:01:26.45 0.6 undecidable manual S 130 11.0778 152 -0.39 46
IV.ECZM.HHZ. 2023-06-04T19:01:25.89 0.6 undecidable manual S 219 3.5964 170 -0.31 47
IV.MUCR.HHZ. 2023-06-04T19:01:25.32 0.1 undecidable manual P 351 32.1456 120 -0.43 87
IV.ESML.HNE. 2023-06-04T19:01:24.01 0.6 undecidable manual P 196 15.9729 142 0.15 48
IV.EPIT.HHZ. 2023-06-04T19:01:23.76 0.1 undecidable manual P 61 12.6762 149 0.2 95
IV.EMNR.HHZ. 2023-06-04T19:01:23.62 0.1 undecidable manual P 52 10.6782 153 0.2 95
IV.ESVO.HHZ. 2023-06-04T19:01:23.07 0.1 undecidable manual P 39 2.2977 174 0.03 100
IV.EMCN.HHZ. 2023-06-04T19:01:23.50 0.1 undecidable manual P 67 9.879 155 0.14 96
IV.EMSG.HHZ. 2023-06-04T19:01:23.04 0.1 undecidable manual P 14 7.2927 161 -0.17 96
IV.EPZF.HHZ. 2023-06-04T19:01:23.10 0.1 undecidable manual P 319 9.879 155 -0.26 94
IV.ECHR.HNZ. 2023-06-04T19:01:23.36 0.3 undecidable manual P 191 7.9809 160 0.11 73
IV.EMPL.HHZ. 2023-06-04T19:01:23.14 0.3 undecidable manual P 158 9.2796 156 -0.18 72
IV.ESPC.HHN. 2023-06-04T19:01:22.84 0.3 undecidable manual P 130 11.0778 152 -0.6 64
IV.ECZM.HHZ. 2023-06-04T19:01:22.91 0.3 undecidable manual P 219 3.5964 170 -0.17 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HNN. ML:1.9 0.00054224985 0.2688 AML other m 2023-06-04T19:01:28.17
IV.EPZF.HNE. ML:2.1 0.000847 0.5 AML other m 2023-06-04T19:01:27.63
IV.EPZF.HHE. ML:2.1 0.000847 0.5 AML other m 2023-06-04T19:01:27.64
IV.EPZF.HHN. ML:2.0 0.00055498585 0.2816 AML other m 2023-06-04T19:01:28.18
IV.EMSG.HHN. ML:1.8 0.0004243253 0.4864 AML other m 2023-06-04T19:01:30.28
7C.SPAOL.HNE. ML:3.1 0.005387449 0.2304 AML other m 2023-06-04T19:01:30.96
7C.SPAOL.HNN. ML:3.1 0.0051210675 0.1024 AML other m 2023-06-04T19:01:31.41
IV.MUCR.HHE. ML:1.4 0.00008319999999999999 1.38 AML other m 2023-06-04T19:01:31.13
IV.EMSG.HHE. ML:1.8 0.0004337768 0.2304 AML other m 2023-06-04T19:01:29.76
IV.MUCR.HHN. ML:1.2 0.0000485 0.48 AML other m 2023-06-04T19:01:34.29
IV.EPIT.HHN. ML:1.8 0.00036566105 0.3712 AML other m 2023-06-04T19:01:28.76
IV.EPIT.HHE. ML:1.8 0.00037065024999999996 0.32 AML other m 2023-06-04T19:01:29.36
IV.AIO.HHE. ML:1.3 0.00006560009 0.2816 AML other m 2023-06-04T19:01:33.13
IV.SSY.HHN. ML:1.8 0.000106963115 0.2304 AML other m 2023-06-04T19:01:46.16
IV.SSY.HNE. ML:1.8 0.00009988249000000001 0.32 AML other m 2023-06-04T19:01:51.43
IV.SSY.HHE. ML:1.6 0.000063990125 0.192 AML other m 2023-06-04T19:01:40.14
IV.SSY.HNN. ML:1.8 0.00011373725 0.576 AML other m 2023-06-04T19:01:33.63
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