Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 14-09-2019 and time 02:17:12 (Italy) in region 4 km S Bronte (CT)

A magnitude ML 1.5 earthquake occured in region: 4 km S Bronte (CT), on

  • 14-09-2019 00:17:12 (UTC)
  • 14-09-2019 02:17:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7510, 14.8200 at 23 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 4 19172 19172
Adrano CT 10 36122 55294
Maletto CT 10 3920 59214
Maniace CT 13 3765 62979
Biancavilla CT 13 24007 86986
Cesarò ME 14 2439 89425
San Teodoro ME 15 1403 90828
Centuripe EN 16 5470 96298
Santa Maria di Licodia CT 16 7641 103939
Ragalna CT 17 3924 107863
Randazzo CT 18 10900 118763
Regalbuto EN 19 7277 126040
Troina EN 20 9373 135413

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Acireale (52622 inhabitants)
36 Km NW of Catania (314555 inhabitants)
73 Km E of Caltanissetta (63360 inhabitants)
81 Km SW of Messina (238439 inhabitants)
83 Km SW of Reggio di Calabria (183035 inhabitants)
87 Km NW of Siracusa (122291 inhabitants)
91 Km NE of Gela (75827 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
93 Km N of Vittoria (63339 inhabitants)
99 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 1.5 2019-09-14
00:17:12		 37.7507 14.8203 23 2020-02-28
16:41:59		 Bollettino Sismico Italiano INGV 73511331
Reviewed
Rev100 		ML 1.5 2019-09-14
00:17:12		 37.7718 14.8517 27 2019-09-14
01:04:37		 Sala Sismica INGV-Roma 72379831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-14 00:17:12 ± 0.21
Latitude 37.7507 ± 0.0063
Longitude 14.8203 ± 0.0091
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73511331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 761
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.40380
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 72379831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-14 01:04:37

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 73511331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-29 10:45:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2019-09-14T00:17:28.00 0.6 undecidable manual S 174 44.8218 110 0.19 47
IV.MUCR.HHZ. 2019-09-14T00:17:24.70 0.6 undecidable manual S 8 32.745 118 -0.16 49
IV.ECTS.EHZ. 2019-09-14T00:17:24.70 0.6 undecidable manual S 61 30.1476 120 0.47 47
IV.GALF.HHZ. 2019-09-14T00:17:22.60 0.3 undecidable manual S 259 22.755 129 -0.01 78
IV.ENIC.HHZ. 2019-09-14T00:17:22.70 0.3 undecidable manual S 127 22.0668 130 0.22 74
IV.HLNI.HHZ. 2019-09-14T00:17:21.49 0.3 undecidable manual P 174 44.8218 110 0.01 74
IV.ESLN.HHZ. 2019-09-14T00:17:21.20 0.6 undecidable manual S 115 14.9739 142 0.05 52
IV.EMSG.HHZ. 2019-09-14T00:17:21.10 0.6 undecidable manual S 56 13.7751 145 0.13 52
IV.ESML.HHZ. 2019-09-14T00:17:20.90 0.6 undecidable manual S 161 15.5733 141 -0.36 49
IV.ECHR.HNZ. 2019-09-14T00:17:20.40 0.6 undecidable manual S 131 10.7781 151 -0.15 52
IV.EPZF.HHZ. 2019-09-14T00:17:20.70 0.3 undecidable manual S 21 8.7801 156 0.39 74
IV.MUCR.HHZ. 2019-09-14T00:17:20.22 0.3 undecidable manual P 8 32.745 118 0.44 70
IV.ECTS.EHZ. 2019-09-14T00:17:19.31 0.3 undecidable manual P 61 30.1476 120 -0.1 75
IV.ENIC.HHZ. 2019-09-14T00:17:18.63 0.6 undecidable manual P 127 22.0668 130 0.23 49
IV.ESML.HHZ. 2019-09-14T00:17:18.06 0.3 undecidable manual P 161 15.5733 141 0.36 73
IV.GALF.HHZ. 2019-09-14T00:17:18.72 0.3 undecidable manual P 259 22.755 129 0.24 74
IV.EMSG.HHZ. 2019-09-14T00:17:17.16 0.1 undecidable manual P 56 13.7751 145 -0.37 97
IV.ESLN.HHZ. 2019-09-14T00:17:17.34 0.1 undecidable manual P 115 14.9739 142 -0.3 99
IV.EPZF.HHZ. 2019-09-14T00:17:16.88 0.1 undecidable manual P 21 8.7801 156 -0.27 100
IV.ECHR.HNZ. 2019-09-14T00:17:16.91 0.1 undecidable manual P 131 10.7781 151 -0.38 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:1.6 0.0002749668 0.32 AML other m 2019-09-14T00:17:21.03
IV.EMSG.HHE. ML:1.8 0.00036417605 0.32 AML other m 2019-09-14T00:17:21.44
IV.EPZF.HHN. ML:1.8 0.0003814179 0.26 AML other m 2019-09-14T00:17:21.72
IV.ENIC.HHN. ML:1.4 0.000117360615 1.32 AML other m 2019-09-14T00:17:24.31
IV.GALF.HHE. ML:2.0 0.000486758 0.56 AML other m 2019-09-14T00:17:24.69
IV.ENIC.HHE. ML:1.4 0.00012211349999999998 0.3 AML other m 2019-09-14T00:17:25.19
IV.GALF.HHN. ML:2.0 0.0004837342 1.72 AML other m 2019-09-14T00:17:25.89
IV.ECTS.EHE. ML:1.4 0.000091977615 0.78 AML other m 2019-09-14T00:17:27.68
IV.ECTS.EHN. ML:1.3 0.000086060625 0.38 AML other m 2019-09-14T00:17:27.80
IV.MUCR.HHN. ML:1.2 0.000058954205000000006 0.36 AML other m 2019-09-14T00:17:27.80
IV.HLNI.HHN. ML:1.0 0.000028724225 0.4 AML other m 2019-09-14T00:17:27.91
IV.MUCR.HHE. ML:1.2 0.00005627089 0.42 AML other m 2019-09-14T00:17:29.32
IV.HLNI.HHE. ML:1.0 0.000023974475 0.18 AML other m 2019-09-14T00:17:30.12
IV.EMSG.HHN. ML:1.6 0.00025646285 3.36 AML other m 2019-09-14T00:17:21.19
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