Earthquake with magnitude of ML 1.9 on date 04-07-2020 and time 02:32:56 (Italy) in region 11 km SW Bronte (CT)

A magnitude ML 1.9 earthquake occured in region: 11 km SW Bronte (CT), on

  • 04-07-2020 00:32:56 (UTC)
  • 04-07-2020 02:32:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7260, 14.7410 at 25 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 11 19172 19172
Adrano CT 11 36122 55294
Centuripe EN 12 5470 60764
Regalbuto EN 12 7277 68041
CesarĂ² ME 13 2439 70480
Troina EN 14 9373 79853
San Teodoro ME 14 1403 81256
Biancavilla CT 15 24007 105263
Maletto CT 16 3920 109183
Maniace CT 16 3765 112948
Santa Maria di Licodia CT 18 7641 120589
Catenanuova EN 18 4866 125455
Gagliano Castelferrato EN 18 3593 129048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Catania (314555 inhabitants)
40 Km W of Acireale (52622 inhabitants)
65 Km E of Caltanissetta (63360 inhabitants)
85 Km NE of Gela (75827 inhabitants)
88 Km N of Vittoria (63339 inhabitants)
89 Km SW of Messina (238439 inhabitants)
89 Km NW of Siracusa (122291 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
90 Km SW of Reggio di Calabria (183035 inhabitants)
96 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 2020-07-04
00:32:56
37.7265 14.7407 25 2020-11-19
12:37:03
Bollettino Sismico Italiano INGV 83555091
Reviewed
Rev200
ML 2.0 2020-07-04
00:32:55
37.699 14.7 15 2020-07-04
05:24:08
Sala Operativa INGV-OE (Catania) 80760911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-04 00:32:56 ± 0.26
Latitude 37.7265 ± 0.0099
Longitude 14.7407 ± 0.0159
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83555091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1347
Semi-minor axis of confidence ellipse (meter) 580
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.13400
Epicentral distance of station farthest from the epicenter (degree) 1.04411
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:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 83555091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-06 14:05:52

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 80760911
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-07-04 05:24:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-07-04T00:33:18.95 0.6 undecidable manual S 155 69.5748 103 1.06 31
IV.HPAC.HHZ. 2020-07-04T00:33:15.43 0.1 undecidable manual P 167 115.8951 98 -0.42 76
IV.SCIAR.HHZ. 2020-07-04T00:33:13.49 0.6 undecidable manual P 286 90.0432 100 1.58 24
IV.HLNI.HHZ. 2020-07-04T00:33:11.48 0.6 undecidable manual S 165 43.5231 113 0.23 45
IV.MUCR.HHZ. 2020-07-04T00:33:10.20 0.6 undecidable manual S 18 37.0296 117 0.52 44
IV.PLLN.EHZ. 2020-07-04T00:33:08.62 0.6 undecidable manual P 300 60.0954 106 1.22 32
IV.MSFR.HHZ. 2020-07-04T00:33:08.36 0.6 undecidable manual S 339 36.5412 117 -1.2 30
IV.SSY.HHZ. 2020-07-04T00:33:08.39 0.1 undecidable manual P 155 69.5748 103 -0.43 84
IV.RAFF.HHZ. 2020-07-04T00:33:08.42 0.1 undecidable manual P 211 65.0904 104 0.28 87
IV.EMSG.HHZ. 2020-07-04T00:33:06.30 0.6 undecidable manual S 60 21.1677 134 0.09 49
IV.AIO.HHZ. 2020-07-04T00:33:06.85 0.3 undecidable manual P 58 51.0156 109 0.79 58
IV.HAGA.HHZ. 2020-07-04T00:33:06.86 0.3 undecidable manual P 143 61.0944 106 -0.69 59
IV.EPZF.HHZ. 2020-07-04T00:33:05.28 0.6 undecidable manual S 43 14.874 145 0.15 49
IV.GALF.HHZ. 2020-07-04T00:33:05.35 0.6 undecidable manual S 264 15.3735 144 0.15 49
IV.ESML.HHZ. 2020-07-04T00:33:05.79 0.6 undecidable manual S 135 17.0718 141 0.3 46
IV.HLNI.HHZ. 2020-07-04T00:33:04.38 0.1 undecidable manual P 165 43.5231 113 -0.61 83
IV.ENIC.HHZ. 2020-07-04T00:33:04.03 0.6 undecidable manual P 113 26.8509 127 1.29 31
IV.MUCR.HHZ. 2020-07-04T00:33:03.89 0.3 undecidable manual P 18 37.0296 117 -0.19 69
IV.CAGR.HHE. 2020-07-04T00:33:03.61 1.0 undecidable manual P 241 24.0537 130 1.2 17
IV.MSFR.HHZ. 2020-07-04T00:33:03.82 0.1 undecidable manual P 339 36.5412 117 -0.19 91
IV.EMSG.HHZ. 2020-07-04T00:33:02.04 0.3 undecidable manual P 60 21.1677 134 -0.03 74
IV.GALF.HHZ. 2020-07-04T00:33:01.05 0.1 positive manual P 264 15.3735 144 -0.44 91
IV.ESML.HHZ. 2020-07-04T00:33:01.63 0.1 undecidable manual P 135 17.0718 141 -0.03 100
IV.EPZF.HHZ. 2020-07-04T00:33:01.29 0.1 negative manual P 43 14.874 145 -0.16 97
IV.ECHR.HNZ. 2020-07-04T00:33:01.24 0.3 undecidable manual P 106 15.7731 143 -0.29 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHN. ML:2.6 0.002215 0.44 AML other m 2020-07-04T00:33:06.25
IV.GALF.HHN. ML:2.7 0.002845 1.06 AML other m 2020-07-04T00:33:06.26
IV.GALF.HNN. ML:1.9 0.00041500000000000006 1.06 AML other m 2020-07-04T00:33:06.81
IV.GALF.HHE. ML:2.9 0.00426 0.86 AML other m 2020-07-04T00:33:06.21
IV.EPZF.HHE. ML:2.2 0.000801 1.66 AML other m 2020-07-04T00:33:06.12
IV.GALF.HNE. ML:1.9 0.00047050000000000005 0.42 AML other m 2020-07-04T00:33:07.42
IV.ESML.HHN. ML:2.1 0.0007175 1.04 AML other m 2020-07-04T00:33:08.12
IV.MUCR.HHE. ML:1.9 0.0002445 0.86 AML other m 2020-07-04T00:33:10.56
IV.MUCR.HHN. ML:1.9 0.0002495 0.36 AML other m 2020-07-04T00:33:11.03
IV.ESML.HHE. ML:2.2 0.0007605 0.46 AML other m 2020-07-04T00:33:11.59
IV.MSFR.HHN. ML:1.5 0.00011245 1.12 AML other m 2020-07-04T00:33:13.58
IV.MSFR.HHE. ML:1.3 0.0000655 0.44 AML other m 2020-07-04T00:33:13.22
IV.HLNI.HHN. ML:1.7 0.00014050000000000003 1.12 AML other m 2020-07-04T00:33:13.11
IV.HLNI.HHE. ML:1.7 0.00013550000000000001 0.7 AML other m 2020-07-04T00:33:14.59
IV.AIO.HHE. ML:1.6 0.00007960000000000001 1.7 AML other m 2020-07-04T00:33:14.90
IV.AIO.HHN. ML:1.6 0.00009779999999999999 1.58 AML other m 2020-07-04T00:33:20.02
IV.PLLN.EHN. ML:2.0 0.000179 1.22 AML other m 2020-07-04T00:33:24.89
IV.PLLN.EHE. ML:2.0 0.000173 0.96 AML other m 2020-07-04T00:33:25.48
IV.SCIAR.HHE. ML:1.7 0.00005625 0.58 AML other m 2020-07-04T00:33:30.30
IV.SCIAR.HHN. ML:1.7 0.0000541 0.46 AML other m 2020-07-04T00:33:33.17
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