Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 23-11-2019 and time 01:59:27 (Italy) in region 6 km NW Milo (CT)

A magnitude ML 1.9 earthquake occured in region: 6 km NW Milo (CT), on

  • 23-11-2019 00:59:27 (UTC)
  • 23-11-2019 01:59:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7490, 15.0600 at 8 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
Milo CT 6 1087 1087
Zafferana Etnea CT 7 9517 10604
Sant'Alfio CT 8 1582 12186
Santa Venerina CT 10 8592 20778
Giarre CT 11 27659 48437
Mascali CT 12 14282 62719
Piedimonte Etneo CT 12 3963 66682
Linguaglossa CT 13 5403 72085
Riposto CT 13 14838 86923
Fiumefreddo di Sicilia CT 14 9623 96546
Pedara CT 15 14102 110648
Trecastagni CT 15 10910 121558
Nicolosi CT 15 7463 129021
Viagrande CT 16 8563 137584
Castiglione di Sicilia CT 16 3215 140799
Ragalna CT 17 3924 144723
Moio Alcantara ME 17 717 145440
Aci Sant'Antonio CT 17 17984 163424
Calatabiano CT 17 5308 168732
Aci Bonaccorsi CT 17 3524 172256
Randazzo CT 18 10900 183156
Aci Catena CT 18 29851 213007
Acireale CT 18 52622 265629
Francavilla di Sicilia ME 18 3945 269574
Belpasso CT 19 28108 297682
Gaggi ME 19 3184 300866
Malvagna ME 19 733 301599
Tremestieri Etneo CT 19 20589 322188
Motta Camastra ME 19 845 323033
Maletto CT 19 3920 326953
San Giovanni la Punta CT 19 23060 350013
Mascalucia CT 19 31958 381971
Valverde CT 20 7840 389811
San Pietro Clarenza CT 20 7743 397554

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
66 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
100 Km NE 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
Bulletin
Rev1000 		ML 1.9 2019-11-23
00:59:27		 37.7488 15.0595 8 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74503371
Reviewed
Rev100 		ML 1.9 2019-11-23
00:59:27		 37.7412 15.0412 8 2019-11-23
01:06:31		 Sala Sismica INGV-Roma 73972701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-23 00:59:27 ± 0.08
Latitude 37.7488 ± 0.0036
Longitude 15.0595 ± 0.0068
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74503371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 574
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59085
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 73972701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-23 01:06:31

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 74503371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-10 08:04:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2019-11-23T00:59:48.33 0.1 undecidable manual S 179 65.5899 50 0.14 87
IV.HLNI.HHZ. 2019-11-23T00:59:43.15 0.1 undecidable manual S 200 47.4192 50 -0.17 90
IV.MUCR.HHZ. 2019-11-23T00:59:40.46 0.1 undecidable manual S 334 36.4413 50 0.05 94
IV.SSY.HHZ. 2019-11-23T00:59:39.61 0.1 undecidable manual P 179 65.5899 50 0.14 88
IV.MILZ.HHZ. 2019-11-23T00:59:38.88 0.1 undecidable manual P 14 59.8956 50 0.29 86
IV.AIO.HHZ. 2019-11-23T00:59:38.14 0.1 undecidable manual S 32 28.9488 106 0.13 94
IV.MSFR.HHZ. 2019-11-23T00:59:37.54 0.1 undecidable manual P 308 51.7038 50 0.2 89
IV.ESML.HHZ. 2019-11-23T00:59:36.29 0.1 undecidable manual S 228 21.4674 111 0.76 79
IV.GALF.HHZ. 2019-11-23T00:59:36.84 0.1 negative manual P 265 43.4232 50 0.78 75
IV.EPZF.HHZ. 2019-11-23T00:59:35.05 0.1 undecidable manual S 295 19.5693 113 0.12 96
IV.HLNI.HHZ. 2019-11-23T00:59:35.79 0.1 undecidable manual P 200 47.4192 50 -0.87 72
IV.MUCR.HHZ. 2019-11-23T00:59:34.68 0.1 positive manual P 334 36.4413 50 -0.3 89
IV.AIO.HHZ. 2019-11-23T00:59:33.45 0.1 undecidable manual P 32 28.9488 106 -0.15 93
IV.ENIC.HHZ. 2019-11-23T00:59:33.09 0.1 undecidable manual S 194 13.4754 121 0.07 98
IV.ECHR.HNZ. 2019-11-23T00:59:33.95 0.1 undecidable manual S 242 14.5743 119 0.58 86
IV.EMSG.HHZ. 2019-11-23T00:59:32.69 0.1 undecidable manual S 310 12.4764 123 -0.05 98
IV.EVRN.HNE. 2019-11-23T00:59:32.16 0.1 undecidable manual S 135 9.3795 131 0.28 94
IV.ESML.HHZ. 2019-11-23T00:59:32.20 0.1 negative manual P 228 21.4674 111 0.03 97
IV.ESLN.HHZ. 2019-11-23T00:59:31.20 0.1 undecidable manual S 231 9.6792 130 -0.76 81
IV.EPIT.HHE. 2019-11-23T00:59:31.75 0.1 undecidable manual S 358 6.8931 140 0.47 91
IV.EPZF.HHZ. 2019-11-23T00:59:31.47 0.1 positive manual P 295 19.5693 113 -0.35 91
IV.EMCN.HNZ. 2019-11-23T00:59:30.91 0.1 undecidable manual S 334 5.1948 147 -0.01 100
IV.NOV.HHZ. 2019-11-23T00:59:30.75 3.0 undecidable manual P 0
IV.EVRN.HNE. 2019-11-23T00:59:30.21 0.1 positive manual P 135 9.3795 131 0.15 97
IV.EMSG.HHZ. 2019-11-23T00:59:30.32 0.1 negative manual P 310 12.4764 123 -0.23 94
IV.ENIC.HHZ. 2019-11-23T00:59:30.49 0.1 undecidable manual P 194 13.4754 121 -0.23 94
IV.ECHR.HNZ. 2019-11-23T00:59:30.85 0.1 undecidable manual P 242 14.5743 119 -0.07 97
IV.ECTS.EHZ. 2019-11-23T00:59:30.91 0.1 undecidable manual P 20 15.6732 117 -0.2 94
IV.EMCN.HNZ. 2019-11-23T00:59:29.25 0.1 negative manual P 334 5.1948 147 -0.25 95
IV.ESLN.HHZ. 2019-11-23T00:59:29.62 0.1 positive manual P 231 9.6792 130 -0.48 90
IV.EPIT.HHE. 2019-11-23T00:59:29.69 0.1 positive manual P 358 6.8931 140 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMCN.HNE. ML:0.0 0.01616003 0.1008 AML other m 2019-11-23T00:59:31.05
IV.EMCN.HNN. ML:0.0 0.008050132 0.0904 AML other m 2019-11-23T00:59:31.01
IV.ESLN.HHN. ML:2.1 0.0017701905 0.34 AML other m 2019-11-23T00:59:31.41
IV.ESLN.HHE. ML:2.1 0.0020096945 0.24 AML other m 2019-11-23T00:59:31.48
IV.EMSG.HHE. ML:2.2 0.0020509260000000002 0.42 AML other m 2019-11-23T00:59:33.08
IV.EMSG.HHN. ML:2.0 0.00126912845 0.08 AML other m 2019-11-23T00:59:33.24
IV.ENIC.HHN. ML:1.7 0.00055018435 0.16 AML other m 2019-11-23T00:59:33.21
IV.ENIC.HHE. ML:1.7 0.0006214515499999999 0.16 AML other m 2019-11-23T00:59:33.31
IV.ESML.HHN. ML:1.6 0.000321115 0.48 AML other m 2019-11-23T00:59:37.53
IV.ESML.HHE. ML:1.7 0.0003862909 0.34 AML other m 2019-11-23T00:59:36.47
IV.MUCR.HHE. ML:1.8 0.00022335935000000003 0.44 AML other m 2019-11-23T00:59:41.27
IV.MUCR.HHN. ML:1.7 0.0002131695 0.36 AML other m 2019-11-23T00:59:43.52
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