Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-04-2019 and time 22:33:19 (UTC) in region 3 km NW Bronte (CT)

A magnitude ML 2.0 earthquake occured in region: 3 km NW Bronte (CT), on

  • 28-04-2019 22:33:19 (UTC)
  • 29-04-2019 00:33:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8060, 14.8150 at 35 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.

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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 3 19172 19172
Maletto CT 5 3920 23092
Maniace CT 6 3765 26857
Cesarò ME 10 2439 29296
San Teodoro ME 11 1403 30699
Randazzo CT 14 10900 41599
Adrano CT 16 36122 77721
Santa Domenica Vittoria ME 18 980 78701
Troina EN 19 9373 88074
Biancavilla CT 19 24007 112081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Acireale (52622 inhabitants)
41 Km NW of Catania (314555 inhabitants)
75 Km NE of Caltanissetta (63360 inhabitants)
78 Km SW of Messina (238439 inhabitants)
80 Km W of Reggio di Calabria (183035 inhabitants)
93 Km NW of Siracusa (122291 inhabitants)
96 Km NE of Gela (75827 inhabitants)
98 Km N of Ragusa (73313 inhabitants)
98 Km N of Vittoria (63339 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 2.0 2019-04-28
22:33:19		 37.8065 14.8152 35 2019-08-22
08:25:03		 Bollettino Sismico Italiano INGV 69693941
Reviewed
Rev100 		ML 2.0 2019-04-28
22:33:18		 37.8162 14.7755 36 2019-04-28
22:39:56		 Sala Sismica INGV-Roma 68071311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-28 22:33:19 ± 0.27
Latitude 37.8065 ± 0.0072
Longitude 14.8152 ± 0.0159
Depth (km) 35 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69693941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1222
Semi-minor axis of confidence ellipse (meter) 748
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 69693941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-19 09:53:12

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 68071311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-28 22:39:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2019-04-28T22:33:43.18 0.3 undecidable manual S 162 75.4689 111 0.3 64
IV.HAGA.HHZ. 2019-04-28T22:33:40.22 0.3 undecidable manual S 153 65.0904 114 -0.1 68
IV.HLNI.HHZ. 2019-04-28T22:33:36.81 0.3 undecidable manual S 174 51.0156 120 -0.17 70
IV.AIO.HHZ. 2019-04-28T22:33:35.07 0.1 undecidable manual S 63 40.9257 127 0.35 91
IV.NOV.HHZ. 2019-04-28T22:33:34.52 0.3 undecidable manual S 49 37.3293 130 0.54 65
IV.SSY.HHZ. 2019-04-28T22:33:32.57 0.1 undecidable manual P 162 75.4689 111 -0.25 86
IV.GALF.HHZ. 2019-04-28T22:33:32.22 0.3 undecidable manual S 244 24.2535 143 0.67 61
IV.MUCR.HHZ. 2019-04-28T22:33:31.55 0.1 undecidable manual S 11 26.751 140 -0.42 91
IV.MPNC.HHZ. 2019-04-28T22:33:31.30 0.1 undecidable manual P 51 60.2952 116 0.63 81
IV.EMSG.HHZ. 2019-04-28T22:33:30.53 0.1 undecidable manual S 82 11.877 160 0.57 88
IV.MNO.SHZ. 2019-04-28T22:33:30.56 0.1 undecidable manual S 323 17.3715 152 0.01 100
IV.HAGA.HHZ. 2019-04-28T22:33:30.88 0.1 undecidable manual P 153 65.0904 114 -0.46 84
IV.AIO.HHZ. 2019-04-28T22:33:28.01 0.1 undecidable manual P 63 40.9257 127 -0.1 95
IV.EPOZ.HHZ. 2019-04-28T22:33:28.20 0.3 undecidable manual P 114 36.0417 131 0.68 62
IV.HLNI.HHZ. 2019-04-28T22:33:28.96 0.1 undecidable manual P 174 51.0156 120 -0.45 87
IV.CAGR.HHE. 2019-04-28T22:33:28.83 0.1 undecidable manual P 234 34.4433 132 1.49 55
IV.EPZF.HHZ. 2019-04-28T22:33:28.85 0.1 undecidable manual S 62 4.1958 173 -0.62 91
IV.NOV.HHZ. 2019-04-28T22:33:27.64 0.3 undecidable manual P 49 37.3293 130 -0.04 72
IV.MSFR.HHZ. 2019-04-28T22:33:27.22 0.3 undecidable manual P 322 31.9458 135 0.16 72
IV.GALF.HHZ. 2019-04-28T22:33:26.16 0.1 undecidable manual P 244 24.2535 143 -0.12 98
IV.ESML.HHZ. 2019-04-28T22:33:26.25 0.1 undecidable manual P 165 21.6672 146 0.21 96
IV.EPIT.HHN. 2019-04-28T22:33:26.09 0.3 undecidable manual P 88 21.1677 147 0.09 74
IV.ECTS.EHZ. 2019-04-28T22:33:26.41 0.3 undecidable manual P 73 28.0497 138 -0.24 71
IV.MUCR.HHZ. 2019-04-28T22:33:26.22 0.1 undecidable manual P 11 26.751 140 -0.3 93
IV.MNO.SHZ. 2019-04-28T22:33:25.47 0.1 undecidable manual P 323 17.3715 152 -0.23 97
IV.EPZF.HHZ. 2019-04-28T22:33:24.59 0.1 undecidable manual P 62 4.1958 173 -0.48 94
IV.EMSG.HHZ. 2019-04-28T22:33:24.87 0.1 undecidable manual P 82 11.877 160 -0.49 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.3 0.0008855000000000001 0.32 AML other m 2019-04-28T22:33:29.27
IV.EPZF.HHN. ML:2.6 0.001605 0.38 AML other m 2019-04-28T22:33:29.74
IV.MUCR.HHE. ML:1.9 0.0002375 0.44 AML other m 2019-04-28T22:33:31.79
IV.MUCR.HHN. ML:1.8 0.0001795 1.34 AML other m 2019-04-28T22:33:31.80
IV.GALF.HHE. ML:2.2 0.00048049999999999997 0.36 AML other m 2019-04-28T22:33:33.22
IV.GALF.HHN. ML:2.2 0.0005265 0.42 AML other m 2019-04-28T22:33:34.94
IV.HLNI.HHN. ML:1.5 0.0000701 1.18 AML other m 2019-04-28T22:33:36.95
IV.HLNI.HHE. ML:1.6 0.00008879999999999999 1.12 AML other m 2019-04-28T22:33:37.35
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
Waveforms Seismic signals in miniseed + resp format Download