Earthquake with magnitude of ML 1.9 on date 23-07-2019 and time 08:43:31 (Italy) in region 1 km E Bronte (CT)

A magnitude ML 1.9 earthquake occured in region: 1 km E Bronte (CT), on

  • 23-07-2019 06:43:31 (UTC)
  • 23-07-2019 08:43:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.79, 14.85 at 11 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 1 19172 19172
Maletto CT 5 3920 23092
Maniace CT 9 3765 26857
CesarĂ² ME 14 2439 29296
Randazzo CT 14 10900 40196
Adrano CT 14 36122 76318
San Teodoro ME 15 1403 77721
Biancavilla CT 16 24007 101728
Santa Domenica Vittoria ME 18 980 102708
Ragalna CT 19 3924 106632
Santa Maria di Licodia CT 19 7641 114273

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Acireale (52622 inhabitants)
38 Km NW of Catania (314555 inhabitants)
76 Km E of Caltanissetta (63360 inhabitants)
77 Km SW of Messina (238439 inhabitants)
79 Km W of Reggio di Calabria (183035 inhabitants)
90 Km NW of Siracusa (122291 inhabitants)
96 Km NE of Gela (75827 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
97 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 1.9 2019-07-23
06:43:31
37.79 14.85 11 2019-11-13
14:31:06
Bollettino Sismico Italiano INGV 73254391
Rev 200 ML 1.7 2019-07-23
06:43:30
37.77 14.84 9 2019-07-23
08:41:06
Sala Operativa INGV-OE (Catania) 70818851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-23 06:43:31 ± 0.11
Latitude 37.79 ± 0.01
Longitude 14.85 ± 0.01
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73254391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 896
Semi-minor axis of confidence ellipse (meter) 752
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 900
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.35703
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 73254391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-14 16:30:33

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 70818851
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2019-07-23 08:41:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MUCR.HHE. 2019-07-23T06:43:42.17 0.6 undecidable manual S 5 0.2581 50 0.56 44
IV.GALF.HHZ. 2019-07-23T06:43:41.06 0.6 undecidable manual S 251 0.2338 50 0.17 48
IV.MNO.SHZ. 2019-07-23T06:43:40.11 0.6 undecidable manual S 321 0.188 50 0.57 43
IV.AIO.HHE. 2019-07-23T06:43:39.09 0.1 undecidable manual P 59 0.357 50 0.1 96
IV.MSFR.HHZ. 2019-07-23T06:43:38.52 0.3 undecidable manual P 321 0.3193 50 0.17 71
IV.ESLN.HHZ. 2019-07-23T06:43:38.98 0.6 undecidable manual S 132 0.1367 125 1.1 35
IV.MUCR.HHE. 2019-07-23T06:43:37.22 0.1 undecidable manual P 5 0.2581 50 -0.08 97
IV.GALF.HHZ. 2019-07-23T06:43:36.70 0.1 undecidable manual P 251 0.2338 50 -0.19 95
IV.ECTS.EHZ. 2019-07-23T06:43:36.66 0.3 undecidable manual P 66 0.2365 50 -0.28 69
IV.ESML.HHZ. 2019-07-23T06:43:36.18 0.3 undecidable manual P 171 0.1691 120 0.41 69
IV.EMSG.HHZ. 2019-07-23T06:43:36.76 0.3 undecidable manual S 67 0.089 138 0.27 72
IV.EPIT.HHN. 2019-07-23T06:43:35.72 0.1 undecidable manual P 81 0.1682 120 -0.02 100
IV.EPZF.HHZ. 2019-07-23T06:43:35.68 0.6 undecidable manual S 12 0.0396 158 0.23 48
IV.MNO.SHZ. 2019-07-23T06:43:35.96 0.1 undecidable manual P 321 0.188 50 -0.15 97
IV.EMSG.HHZ. 2019-07-23T06:43:34.04 0.1 positive manual P 67 0.089 138 -0.31 96
IV.ESLN.HHZ. 2019-07-23T06:43:34.57 0.3 undecidable manual P 132 0.1367 125 -0.58 66
IV.EPZF.HHZ. 2019-07-23T06:43:33.31 0.1 positive manual P 12 0.0396 158 -0.44 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHN. ML:2.2 0.002295 0.36 AML other m 2019-07-23T06:43:36.50
IV.EMSG.HHN. ML:2.2 0.00199 1.44 AML other m 2019-07-23T06:43:37.88
IV.EMSG.HHE. ML:2.4 0.003285 0.26 AML other m 2019-07-23T06:43:37.16
IV.EPZF.HHE. ML:2 0.001505 0.34 AML other m 2019-07-23T06:43:37.25
IV.ESLN.HHE. ML:2 0.000858 0.46 AML other m 2019-07-23T06:43:39.37
IV.ESLN.HHN. ML:1.8 0.0005635 0.38 AML other m 2019-07-23T06:43:39.95
IV.GALF.HHN. ML:2.1 0.0007135 0.72 AML other m 2019-07-23T06:43:42.19
IV.ESML.HHE. ML:1.7 0.000399 1.18 AML other m 2019-07-23T06:43:42.98
IV.ECTS.EHN. ML:1.5 0.000159 0.66 AML other m 2019-07-23T06:43:43.33
IV.ECTS.EHE. ML:1.6 0.0001985 0.64 AML other m 2019-07-23T06:43:44.92
IV.GALF.HHE. ML:2 0.0006095 1.64 AML other m 2019-07-23T06:43:44.15
IV.ESML.HHN. ML:1.6 0.000339 0.7 AML other m 2019-07-23T06:43:46.27
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