Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 20-11-2018 and time 06:29:28 (Italy) in region 8 km NE Adrano (CT)

A magnitude ML 2.3 earthquake occured in region: 8 km NE Adrano (CT), on

  • 20-11-2018 05:29:28 (UTC)
  • 20-11-2018 06:29:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7090, 14.9010 at 26 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
Adrano CT 8 36122 36122
Biancavilla CT 8 24007 60129
Ragalna CT 9 3924 64053
Santa Maria di Licodia CT 10 7641 71694
Bronte CT 11 19172 90866
Maletto CT 14 3920 94786
Paternò CT 15 48228 143014
Belpasso CT 15 28108 171122
Nicolosi CT 15 7463 178585
Centuripe EN 17 5470 184055
Pedara CT 17 14102 198157
Zafferana Etnea CT 18 9517 207674
Camporotondo Etneo CT 18 5023 212697
San Pietro Clarenza CT 19 7743 220440
Trecastagni CT 19 10910 231350
Milo CT 19 1087 232437
Maniace CT 19 3765 236202
Randazzo CT 19 10900 247102

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Acireale (52622 inhabitants)
28 Km NW of Catania (314555 inhabitants)
78 Km E of Caltanissetta (63360 inhabitants)
79 Km SW of Messina (238439 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
92 Km NE of Gela (75827 inhabitants)
95 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 2.3 2018-11-20
05:29:28		 37.7087 14.9013 26 2019-06-04
09:16:17		 Bollettino Sismico Italiano INGV 68535531
Reviewed
Rev100 		ML 2.3 2018-11-20
05:29:27		 37.7248 14.8692 29 2018-11-20
05:41:07		 Sala Sismica INGV-Roma 63223171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-20 05:29:28 ± 0.15
Latitude 37.7087 ± 0.0063
Longitude 14.9013 ± 0.0114
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68535531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 929
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 27
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) 0.75543
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 68535531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-14 09:07:51

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 63223171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-20 05:41:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2018-11-20T05:31:16.11 3.0 undecidable manual Sn -3.25 0
IV.ORI.HHZ. 2018-11-20T05:30:43.76 3.0 undecidable manual Sn 0.43 0
IV.LPEL.HHZ. 2018-11-20T05:30:38.21 3.0 undecidable manual Pn 3.85 0
IV.CAR1.HHZ. 2018-11-20T05:30:21.84 3.0 undecidable manual Sn -2.43 0
IV.MCEL.HHZ. 2018-11-20T05:30:16.50 3.0 undecidable manual Pg 4.96 0
IV.CRJA.HHZ. 2018-11-20T05:30:16.29 3.0 undecidable manual Sg 1.01 0
IV.MGR.HNZ. 2018-11-20T05:30:06.38 3.0 undecidable manual Pn -2.05 0
IV.MBFT.HHZ. 2018-11-20T05:29:57.73 3.0 undecidable manual Pg 2.18 0
IV.HMDC.HHZ. 2018-11-20T05:29:54.18 0.3 undecidable manual S 187 83.8494 102 0.67 60
IV.SSY.HHZ. 2018-11-20T05:29:48.73 0.3 undecidable manual S 166 62.9925 107 0.62 63
IV.AGST.EHZ. 2018-11-20T05:29:46.90 0.6 undecidable manual S 150 57.7977 108 0.11 48
MN.CEL.HHZ. 2018-11-20T05:29:46.33 3.0 undecidable manual P 0.39 0
IV.HAGA.HHZ. 2018-11-20T05:29:45.62 0.6 undecidable manual S 155 52.0035 111 0.28 47
IV.AIO.HHZ. 2018-11-20T05:29:43.10 0.3 undecidable manual S 45 41.1255 116 0.43 67
IV.MUCR.HHE. 2018-11-20T05:29:42.40 0.6 undecidable manual S 356 37.1295 119 0.67 41
IV.HLNI.HHZ. 2018-11-20T05:29:42.62 0.6 undecidable manual S 184 40.0266 117 0.21 49
IV.HMDC.HHZ. 2018-11-20T05:29:42.54 0.3 undecidable manual P 187 83.8494 102 -0.29 65
IV.RAFF.HHZ. 2018-11-20T05:29:41.34 0.1 undecidable manual P 222 71.8725 104 0.31 89
IV.GALF.HHZ. 2018-11-20T05:29:39.64 0.3 undecidable manual S 271 29.3484 126 -0.35 71
IV.SSY.HHZ. 2018-11-20T05:29:39.59 0.1 positive manual P 166 62.9925 107 -0.13 93
IV.AGST.EHZ. 2018-11-20T05:29:38.63 0.3 undecidable manual P 150 57.7977 108 -0.32 68
IV.HAGA.HHZ. 2018-11-20T05:29:37.94 0.3 undecidable manual P 155 52.0035 111 -0.18 71
IV.EPZF.HHZ. 2018-11-20T05:29:37.39 0.3 undecidable manual S 343 13.3755 150 0.3 74
IV.CAGR.HHE. 2018-11-20T05:29:37.16 0.3 undecidable manual P 255 36.5412 120 1.21 50
IV.AIO.HHZ. 2018-11-20T05:29:36.52 0.1 positive manual P 45 41.1255 116 -0.05 100
IV.ESLN.HHZ. 2018-11-20T05:29:36.30 0.3 undecidable manual S 105 6.5934 164 -0.09 78
IV.HLNI.HHZ. 2018-11-20T05:29:36.06 0.1 undecidable manual P 184 40.0266 117 -0.36 92
IV.ESML.HHE. 2018-11-20T05:29:36.68 0.6 undecidable manual S 191 10.2786 156 -0.04 52
IV.MUCR.HHE. 2018-11-20T05:29:35.77 0.3 undecidable manual P 356 37.1295 119 -0.26 73
IV.EPOZ.HHZ. 2018-11-20T05:29:34.70 0.3 undecidable manual P 99 25.5522 131 0.14 75
IV.EMCN.HNE. 2018-11-20T05:29:34.05 0.3 undecidable manual P 52 14.7741 147 0.58 68
IV.GALF.HHZ. 2018-11-20T05:29:34.83 0.1 undecidable manual P 271 29.3484 126 -0.19 98
IV.EVRN.HNN. 2018-11-20T05:29:33.51 0.3 undecidable manual P 96 20.6682 137 -0.51 70
IV.EPZF.HHZ. 2018-11-20T05:29:32.71 0.1 positive manual P 343 13.3755 150 -0.64 90
IV.ESML.HHE. 2018-11-20T05:29:32.95 0.3 undecidable manual P 191 10.2786 156 -0.19 76
IV.ESLN.HHZ. 2018-11-20T05:29:32.52 0.3 undecidable manual P 105 6.5934 164 -0.43 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.9 0.00397 1.38 AML other m 2018-11-20T05:29:37.04
IV.EPZF.HHN. ML:2.4 0.0014849999999999998 1.06 AML other m 2018-11-20T05:29:37.88
IV.GALF.HHE. ML:2.2 0.0005555 1.54 AML other m 2018-11-20T05:29:42.82
IV.HLNI.HHN. ML:2.2 0.00043 0.32 AML other m 2018-11-20T05:29:43.34
IV.AIO.HHN. ML:2.1 0.000325 0.42 AML other m 2018-11-20T05:29:43.45
IV.AIO.HHE. ML:2.4 0.000749 0.36 AML other m 2018-11-20T05:29:43.30
IV.HLNI.HHE. ML:2.1 0.000378 0.26 AML other m 2018-11-20T05:29:43.69
IV.GALF.HHN. ML:2.0 0.0003705 0.8 AML other m 2018-11-20T05:29:45.20
IV.HAGA.HHE. ML:2.2 0.000314 0.48 AML other m 2018-11-20T05:29:45.89
IV.AGST.EHN. ML:2.5 0.0006435 1.06 AML other m 2018-11-20T05:29:48.54
IV.SSY.HHE. ML:2.8 0.0010075 1.36 AML other m 2018-11-20T05:29:48.84
IV.HAGA.HHN. ML:2.1 0.00027049999999999996 1.56 AML other m 2018-11-20T05:29:48.09
IV.AGST.EHE. ML:2.3 0.00040449999999999997 1.22 AML other m 2018-11-20T05:29:49.69
IV.SSY.HHN. ML:3.0 0.00172 0.8 AML other m 2018-11-20T05:29:52.71
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