Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 07-07-2019 and time 06:59:32 (Italy) in region 3 km W Randazzo (CT)

A magnitude ML 1.8 earthquake occured in region: 3 km W Randazzo (CT), on

  • 07-07-2019 04:59:32 (UTC)
  • 07-07-2019 06:59:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8800, 14.9130 at 32 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
Randazzo CT 3 10900 10900
Santa Domenica Vittoria ME 6 980 11880
Maletto CT 7 3920 15800
Maniace CT 9 3765 19565
Roccella Valdemone ME 10 666 20231
Floresta ME 12 485 20716
Moio Alcantara ME 12 717 21433
Bronte CT 12 19172 40605
Malvagna ME 13 733 41338
Cesarò ME 18 2439 43777
Castiglione di Sicilia CT 18 3215 46992
Montalbano Elicona ME 18 2287 49279
Tortorici ME 19 6435 55714
Ucria ME 19 1058 56772
San Teodoro ME 19 1403 58175
Raccuja ME 20 1041 59216
San Piero Patti ME 20 2915 62131
Francavilla di Sicilia ME 20 3945 66076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of Acireale (52622 inhabitants)
45 Km NW of Catania (314555 inhabitants)
66 Km SW of Messina (238439 inhabitants)
69 Km W of Reggio di Calabria (183035 inhabitants)
86 Km NE of Caltanissetta (63360 inhabitants)
97 Km NW of Siracusa (122291 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 1.8 2019-07-07
04:59:32		 37.8802 14.9132 32 2019-11-13
14:30:56		 Bollettino Sismico Italiano INGV 70797021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-07 04:59:32 ± 0.21
Latitude 37.8802 ± 0.0063
Longitude 14.9132 ± 0.0103
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70797021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 846
Semi-minor axis of confidence ellipse (meter) 433
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.85975
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 70797021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-22 14:11:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2019-07-07T04:59:55.85 0.6 undecidable manual S 158 74.4699 108 -0.29 43
IV.MSRU.HHZ. 2019-07-07T04:59:55.05 1.0 undecidable manual S 50 67.1772 110 0.76 19
IV.HAGA.HHZ. 2019-07-07T04:59:54.51 0.3 undecidable manual S 162 69.375 109 -0.33 64
IV.HLNI.HHZ. 2019-07-07T04:59:51.89 0.1 undecidable manual S 184 59.0964 113 -0.4 86
IV.MILZ.HHE. 2019-07-07T04:59:50.31 0.6 undecidable manual S 33 51.5151 116 -0.14 46
MN.CEL.HHZ. 2019-07-07T04:59:50.02 0.3 undecidable manual P 63 95.4378 104 0.58 57
IV.GALF.HHZ. 2019-07-07T04:59:48.41 1.0 undecidable manual S 238 35.742 127 1.56 13
IV.AGST.EHZ. 2019-07-07T04:59:46.02 0.6 undecidable manual P 158 74.4699 108 -0.31 43
IV.MSRU.HHZ. 2019-07-07T04:59:45.49 0.1 undecidable manual P 50 67.1772 110 0.23 88
IV.AIO.HHZ. 2019-07-07T04:59:45.20 0.3 undecidable manual S 70 29.748 133 -0.42 68
IV.MSFR.HHZ. 2019-07-07T04:59:45.95 0.1 undecidable manual S 301 32.8449 129 -0.3 91
IV.HAGA.HHZ. 2019-07-07T04:59:45.40 0.3 undecidable manual P 162 69.375 109 -0.18 66
MN.VAE.HHZ. 2019-07-07T04:59:44.70 1.0 undecidable manual P 227 67.0773 110 -0.55 20
IV.EPZF.HHZ. 2019-07-07T04:59:43.12 0.1 undecidable manual S 218 7.9809 165 0.63 89
IV.EPIT.HHE. 2019-07-07T04:59:43.80 0.6 undecidable manual S 121 14.6742 153 0.65 43
IV.MILZ.HHE. 2019-07-07T04:59:43.18 0.1 undecidable manual P 33 51.5151 116 0.14 92
IV.EMSG.HHZ. 2019-07-07T04:59:43.23 1.0 undecidable manual S 154 7.2927 166 0.78 21
IV.HLNI.HHZ. 2019-07-07T04:59:43.70 0.1 undecidable manual P 184 59.0964 113 -0.41 86
IV.ECTS.EHZ. 2019-07-07T04:59:43.19 0.3 undecidable manual S 89 18.1707 147 -0.43 69
IV.MUCR.HHZ. 2019-07-07T04:59:42.94 0.1 undecidable manual S 349 18.3705 147 -0.71 82
IV.MPNC.HHE. 2019-07-07T04:59:42.65 0.1 undecidable manual P 52 48.4182 118 0.03 94
IV.GALF.HHZ. 2019-07-07T04:59:41.94 0.1 undecidable manual P 238 35.742 127 0.97 73
IV.MSFR.HHZ. 2019-07-07T04:59:40.72 0.1 undecidable manual P 301 32.8449 129 0.1 96
IV.AIO.HHZ. 2019-07-07T04:59:40.07 0.1 undecidable manual P 70 29.748 133 -0.18 95
IV.EPIT.HHE. 2019-07-07T04:59:39.08 0.1 undecidable manual P 121 14.6742 153 0.25 96
IV.EMCN.HNE. 2019-07-07T04:59:39.00 0.6 undecidable manual P 133 14.4744 153 0.19 49
IV.MUCR.HHZ. 2019-07-07T04:59:38.80 0.1 undecidable manual P 349 18.3705 147 -0.31 94
IV.ECTS.EHZ. 2019-07-07T04:59:38.97 0.1 undecidable manual P 89 18.1707 147 -0.13 98
IV.EPZF.HHZ. 2019-07-07T04:59:38.57 0.1 undecidable manual P 218 7.9809 165 0.12 100
IV.EMSG.HHZ. 2019-07-07T04:59:38.61 0.1 undecidable manual P 154 7.2927 166 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.8 0.000284 0.28 AML other m 2019-07-07T04:59:43.27
IV.MUCR.HHN. ML:1.7 0.000195 0.54 AML other m 2019-07-07T04:59:43.58
IV.ECTS.EHN. ML:1.9 0.0003215 0.3 AML other m 2019-07-07T04:59:43.51
IV.ECTS.EHE. ML:1.9 0.0002945 0.28 AML other m 2019-07-07T04:59:43.57
IV.EPZF.HHE. ML:2.2 0.0008055 0.5 AML other m 2019-07-07T04:59:43.89
IV.EPZF.HHN. ML:2.3 0.000855 0.48 AML other m 2019-07-07T04:59:44.42
IV.EMSG.HHE. ML:2.0 0.0004845 0.48 AML other m 2019-07-07T04:59:44.68
IV.EMSG.HHN. ML:2.0 0.0005275000000000001 1.56 AML other m 2019-07-07T04:59:45.84
IV.AIO.HHE. ML:1.6 0.000143 0.22 AML other m 2019-07-07T04:59:46.73
IV.AIO.HHN. ML:1.8 0.0001895 0.34 AML other m 2019-07-07T04:59:46.88
IV.MSFR.HHN. ML:1.1 0.0000376 1.22 AML other m 2019-07-07T04:59:47.29
IV.MSFR.HHE. ML:1.1 0.000034099999999999995 0.92 AML other m 2019-07-07T04:59:49.34
IV.GALF.HHN. ML:1.6 0.0001265 0.34 AML other m 2019-07-07T04:59:50.73
IV.GALF.HHE. ML:1.9 0.00020500000000000002 1.24 AML other m 2019-07-07T04:59:51.82
IV.HLNI.HHE. ML:1.6 0.0000818 0.78 AML other m 2019-07-07T04:59:52.13
IV.HLNI.HHN. ML:1.8 0.0000983 0.12 AML other m 2019-07-07T04:59:52.73
IV.AGST.EHE. ML:2.0 0.000128 0.66 AML other m 2019-07-07T04:59:56.28
IV.AGST.EHN. ML:1.9 0.00010439999999999999 0.92 AML other m 2019-07-07T04:59:56.36
IV.MSRU.HHN. ML:1.6 0.00005735 1.56 AML other m 2019-07-07T04:59:58.93
IV.MSRU.HHE. ML:1.6 0.00005485 0.78 AML other m 2019-07-07T04:59:58.48
MN.CEL.HHN. ML:1.2 0.00001535 0.86 AML other m 2019-07-07T05:00:04.04
MN.CEL.HHE. ML:1.3 0.00001935 1.58 AML other m 2019-07-07T05:00:11.07
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