Earthquake with magnitude of ML 1.8 on date 23-07-2019 and time 07:29:59 (Italy) in region 2 km SE Bronte (CT)

A magnitude ML 1.8 earthquake occured in region: 2 km SE Bronte (CT), on

  • 23-07-2019 05:29:59 (UTC)
  • 23-07-2019 07:29:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.77, 14.85 at 10 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 2 19172 19172
Maletto CT 7 3920 23092
Maniace CT 11 3765 26857
Adrano CT 12 36122 62979
CesarĂ² ME 14 2439 65418
Biancavilla CT 15 24007 89425
Randazzo CT 15 10900 100325
San Teodoro ME 15 1403 101728
Santa Maria di Licodia CT 18 7641 109369
Ragalna CT 18 3924 113293
Santa Domenica Vittoria ME 19 980 114273
Centuripe EN 19 5470 119743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Acireale (52622 inhabitants)
37 Km NW of Catania (314555 inhabitants)
76 Km E of Caltanissetta (63360 inhabitants)
78 Km SW of Messina (238439 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
89 Km NW of Siracusa (122291 inhabitants)
95 Km NE of Gela (75827 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
96 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
Rev 1000 ML 1.8 2019-07-23
05:29:59
37.77 14.85 10 2019-11-13
14:31:06
Bollettino Sismico Italiano INGV 73253671
Rev 200 ML 1.5 2019-07-23
05:29:58
37.78 14.84 9 2019-07-23
08:24:57
Sala Operativa INGV-OE (Catania) 70818181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-23 05:29:59 ± 0.11
Latitude 37.77 ± 0.01
Longitude 14.85 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73253671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 865
Semi-minor axis of confidence ellipse (meter) 686
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 870
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.32915
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:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 73253671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-14 15:53:25

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 70818181
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2019-07-23 08:24:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2019-07-23T05:30:10.68 0.6 undecidable manual S 5 0.2707 50 0.27 47
IV.ECTS.EHZ. 2019-07-23T05:30:10.24 0.6 undecidable manual S 63 0.2428 50 0.66 42
IV.GALF.HHZ. 2019-07-23T05:30:09.82 0.6 undecidable manual S 254 0.2293 50 0.62 43
IV.MNO.SHZ. 2019-07-23T05:30:08.53 0.6 undecidable manual S 323 0.1979 115 0.35 47
IV.MSFR.HHZ. 2019-07-23T05:30:06.88 0.3 undecidable manual P 322 0.3292 50 -0.03 73
IV.ECTS.EHZ. 2019-07-23T05:30:05.10 0.3 undecidable manual P 63 0.2428 50 -0.34 70
IV.GALF.HHZ. 2019-07-23T05:30:05.19 0.1 undecidable manual P 254 0.2293 50 -0.02 99
IV.EMSG.HHZ. 2019-07-23T05:30:05.21 0.3 undecidable manual S 60 0.0944 134 0.34 72
IV.MUCR.HHZ. 2019-07-23T05:30:05.43 0.1 undecidable manual P 5 0.2707 50 -0.48 89
IV.EPZF.HHZ. 2019-07-23T05:30:04.16 0.3 undecidable manual S 10 0.0513 151 0.31 73
IV.MNO.SHZ. 2019-07-23T05:30:04.43 0.3 undecidable manual P 323 0.1979 115 -0.19 72
IV.EPIT.HHN. 2019-07-23T05:30:04.13 0.1 undecidable manual P 77 0.1709 119 0.05 100
IV.ESLN.HHZ. 2019-07-23T05:30:03.55 0.3 undecidable manual P 128 0.1286 126 0.25 72
IV.ECHR.HHE. 2019-07-23T05:30:02.68 0.3 undecidable manual P 149 0.1016 132 -0.15 74
IV.EMSG.HHZ. 2019-07-23T05:30:02.47 0.1 undecidable manual P 60 0.0944 134 -0.24 97
IV.EPZF.HHZ. 2019-07-23T05:30:01.77 0.1 positive manual P 10 0.0513 151 -0.36 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:1.6 0.0006655 0.58 AML other m 2019-07-23T05:30:04.80
IV.EPZF.HHN. ML:1.7 0.0008915 1.64 AML other m 2019-07-23T05:30:04.91
IV.EMSG.HHN. ML:2.1 0.00151 0.18 AML other m 2019-07-23T05:30:05.31
IV.EMSG.HHE. ML:2.2 0.00179 0.24 AML other m 2019-07-23T05:30:05.61
IV.MNO.SHE. ML:0 0.0001965 0.32 AML other m 2019-07-23T05:30:09.69
IV.GALF.HHN. ML:1.9 0.0004435 1.08 AML other m 2019-07-23T05:30:10.98
IV.MUCR.HHE. ML:1.6 0.0001745 1.4 AML other m 2019-07-23T05:30:10.20
IV.MNO.SHN. ML:0 0.0002125 0.48 AML other m 2019-07-23T05:30:11.77
IV.MUCR.HHN. ML:1.4 0.000132 0.4 AML other m 2019-07-23T05:30:12.35
IV.GALF.HHE. ML:1.9 0.000413 0.42 AML other m 2019-07-23T05:30:13.62
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download