Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 08-11-2018 and time 17:29:26 (Italy) in region 9 km NW Zafferana Etnea (CT)

A magnitude ML 2.1 earthquake occured in region: 9 km NW Zafferana Etnea (CT), on

  • 08-11-2018 16:29:26 (UTC)
  • 08-11-2018 17:29:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7360, 15.0120 at 7 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 9 1087 1087
Zafferana Etnea CT 9 9517 10604
Sant'Alfio CT 12 1582 12186
Santa Venerina CT 13 8592 20778
Ragalna CT 13 3924 24702
Nicolosi CT 14 7463 32165
Pedara CT 14 14102 46267
Trecastagni CT 14 10910 57177
Giarre CT 15 27659 84836
Viagrande CT 16 8563 93399
Biancavilla CT 16 24007 117406
Belpasso CT 16 28108 145514
Mascali CT 16 14282 159796
Maletto CT 17 3920 163716
Linguaglossa CT 17 5403 169119
Bronte CT 17 19172 188291
Piedimonte Etneo CT 17 3963 192254
Randazzo CT 17 10900 203154
Riposto CT 17 14838 217992
Santa Maria di Licodia CT 17 7641 225633
Aci Bonaccorsi CT 18 3524 229157
Aci Sant'Antonio CT 18 17984 247141
Adrano CT 18 36122 283263
San Pietro Clarenza CT 18 7743 291006
Mascalucia CT 18 31958 322964
Fiumefreddo di Sicilia CT 19 9623 332587
Moio Alcantara ME 19 717 333304
Tremestieri Etneo CT 19 20589 353893
Aci Catena CT 19 29851 383744
Camporotondo Etneo CT 19 5023 388767
San Giovanni la Punta CT 19 23060 411827
Castiglione di Sicilia CT 19 3215 415042
Acireale CT 19 52622 467664
Gravina di Catania CT 20 25838 493502
Paternò CT 20 48228 541730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
79 Km NW of Siracusa (122291 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
100 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 2.1 2018-11-08
16:29:26		 37.7363 15.0118 7 2019-06-04
09:16:08		 Bollettino Sismico Italiano INGV 64890501
Reviewed
Rev100 		ML 2.1 2018-11-08
16:29:25		 37.724 15.0653 1 2018-11-08
16:34:51		 Sala Sismica INGV-Roma 62901531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-08 16:29:26 ± 0.1
Latitude 37.7363 ± 0.0054
Longitude 15.0118 ± 0.0080
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64890501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 672
Semi-minor axis of confidence ellipse (meter) 406
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.72755
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 62901531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-08 16:34:51

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 64890501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-13 10:06:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2018-11-08T16:29:46.37 0.6 undecidable manual S 175 64.3911 50 -0.46 43
IV.HAGA.HHZ. 2018-11-08T16:29:42.52 0.6 undecidable manual S 166 51.6039 50 -0.89 37
IV.GALF.HHZ. 2018-11-08T16:29:40.74 0.6 undecidable manual S 266 39.1275 100 0.77 40
IV.RAFF.HHZ. 2018-11-08T16:29:40.78 0.1 undecidable manual P 225 80.7636 50 0.17 89
IV.MUCR.HHZ. 2018-11-08T16:29:39.17 0.6 undecidable manual S 341 36.1416 100 0.25 47
IV.SSY.HHZ. 2018-11-08T16:29:38.25 0.3 undecidable manual P 175 64.3911 50 0.15 69
IV.NOV.HHZ. 2018-11-08T16:29:38.23 0.6 undecidable manual S 19 34.1436 101 -0.02 50
IV.HAGA.HHZ. 2018-11-08T16:29:36.77 0.6 undecidable manual P 166 51.6039 50 0.64 41
IV.GALF.HHZ. 2018-11-08T16:29:34.40 0.1 undecidable manual P 266 39.1275 100 0.25 94
IV.MUCR.HHZ. 2018-11-08T16:29:33.18 0.1 positive manual P 341 36.1416 100 -0.36 93
IV.EPZF.HHZ. 2018-11-08T16:29:33.40 0.6 undecidable manual S 306 16.6722 112 0.98 38
IV.MNO.SHZ. 2018-11-08T16:29:33.17 0.3 undecidable manual P 308 35.1426 101 -0.18 72
IV.AIO.HHZ. 2018-11-08T16:29:33.03 0.1 undecidable manual P 37 32.4453 102 0.21 96
IV.NOV.HHZ. 2018-11-08T16:29:32.90 0.1 undecidable manual P 19 34.1436 101 -0.25 95
IV.EVRN.HNN. 2018-11-08T16:29:31.36 0.6 undecidable manual S 116 12.0768 119 0.41 48
IV.EPOZ.HHZ. 2018-11-08T16:29:30.48 0.1 undecidable manual P 115 17.0718 111 0.63 88
IV.EPZF.HHZ. 2018-11-08T16:29:29.40 0.1 undecidable manual P 306 16.6722 112 -0.38 95
IV.EMCN.HNZ. 2018-11-08T16:29:29.26 0.6 undecidable manual S 17 6.3936 136 -0.11 51
IV.ESLN.HHZ. 2018-11-08T16:29:28.84 0.6 undecidable manual S 215 5.7942 139 -0.39 48
IV.EVRN.HNN. 2018-11-08T16:29:28.95 0.3 undecidable manual P 116 12.0768 119 0.01 78
IV.EMCN.HNZ. 2018-11-08T16:29:27.78 0.1 positive manual P 17 6.3936 136 -0.24 100
IV.ESLN.HHZ. 2018-11-08T16:29:27.51 0.1 positive manual P 215 5.7942 139 -0.43 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHE. ML:0.0 0.0001926431 0.32 AML other m 2018-11-08T16:29:54.08
IV.RAFF.HHN. ML:0.0 0.0001721805 0.32 AML other m 2018-11-08T16:29:54.09
IV.ESLN.HHN. ML:0.0 0.0046626345 0.2688 AML other m 2018-11-08T16:29:29.13
IV.ESLN.HHE. ML:0.0 0.004277802 0.3712 AML other m 2018-11-08T16:29:31.40
IV.EMCN.HNE. ML:0.0 0.004144101 0.1408 AML other m 2018-11-08T16:29:32.60
IV.EMCN.HNN. ML:0.0 0.0031166405 0.1792 AML other m 2018-11-08T16:29:29.82
IV.EPZF.HHN. ML:2.3 0.0019761565 0.5504 AML other m 2018-11-08T16:29:37.84
IV.EPZF.HHE. ML:2.3 0.001887739 0.3456 AML other m 2018-11-08T16:29:37.40
IV.AIO.HHE. ML:1.7 0.00022213295 0.4864 AML other m 2018-11-08T16:29:40.01
IV.AIO.HHN. ML:1.6 0.00020476405 0.4224 AML other m 2018-11-08T16:29:45.41
IV.MUCR.HHE. ML:1.9 0.00032705755000000003 0.512 AML other m 2018-11-08T16:29:39.72
IV.MUCR.HHN. ML:1.9 0.00032486780000000006 0.4096 AML other m 2018-11-08T16:29:33.69
IV.GALF.HHN. ML:2.4 0.0008097095000000001 0.4608 AML other m 2018-11-08T16:29:45.31
IV.GALF.HNE. ML:1.8 0.00025334129999999997 0.6528 AML other m 2018-11-08T16:29:42.80
IV.GALF.HNN. ML:1.9 0.0002764767 1.0112 AML other m 2018-11-08T16:29:49.45
IV.GALF.HHE. ML:2.3 0.0006864493 0.7808 AML other m 2018-11-08T16:29:42.78
IV.SSY.HHN. ML:2.5 0.00057257835 0.2944 AML other m 2018-11-08T16:29:50.00
IV.SSY.HHE. ML:2.2 0.00029132904999999996 0.2816 AML other m 2018-11-08T16:29:52.38
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