Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 06-10-2018 and time 10:21:33 (UTC) in region 1 km E Santa Maria di Licodia (CT)

A magnitude ML 2.5 earthquake occured in region: 1 km E Santa Maria di Licodia (CT), on

  • 06-10-2018 10:21:33 (UTC)
  • 06-10-2018 12:21:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6170, 14.9030 at 6 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Santa Maria di Licodia CT 1 7641 7641
Ragalna CT 4 3924 11565
Biancavilla CT 4 24007 35572
Paternò CT 4 48228 83800
Belpasso CT 7 28108 111908
Adrano CT 8 36122 148030
Camporotondo Etneo CT 11 5023 153053
Nicolosi CT 11 7463 160516
San Pietro Clarenza CT 12 7743 168259
Motta Sant'Anastasia CT 13 12116 180375
Pedara CT 14 14102 194477
Misterbianco CT 14 49410 243887
Mascalucia CT 14 31958 275845
Centuripe EN 14 5470 281315
Gravina di Catania CT 15 25838 307153
Trecastagni CT 16 10910 318063
Tremestieri Etneo CT 16 20589 338652
Sant'Agata li Battiati CT 17 9479 348131
Viagrande CT 17 8563 356694
San Giovanni la Punta CT 18 23060 379754
Aci Bonaccorsi CT 18 3524 383278
San Gregorio di Catania CT 19 11966 395244
Catenanuova EN 19 4866 400110
Aci Sant'Antonio CT 20 17984 418094
Zafferana Etnea CT 20 9517 427611

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Catania (314555 inhabitants)
23 Km W of Acireale (52622 inhabitants)
71 Km NW of Siracusa (122291 inhabitants)
75 Km E of Caltanissetta (63360 inhabitants)
78 Km N of Ragusa (73313 inhabitants)
81 Km NE of Vittoria (63339 inhabitants)
84 Km NE of Gela (75827 inhabitants)
85 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km N of Modica (54633 inhabitants)
86 Km SW of Messina (238439 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 2.5 2018-10-06
10:21:33		 37.6167 14.9028 6 2019-06-04
09:16:16		 Bollettino Sismico Italiano INGV 68408811
Reviewed
Rev200 		ML 2.3 2018-10-06
10:21:33		 37.654 14.878 4 2019-05-10
08:58:11		 Sala Operativa INGV-OE (Catania) 61668621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-06 10:21:33 ± 0.09
Latitude 37.6167 ± 0.0045
Longitude 14.9028 ± 0.0079
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68408811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 686
Semi-minor axis of confidence ellipse (meter) 533
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 1.01264
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 61668621
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-10-06 10:48:34

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 68408811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-10 08:57:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CEL.HHZ. 2018-10-06T10:21:53.73 0.6 undecidable manual P 50 112.2987 50 0.38 39
IV.IACL.HHZ. 2018-10-06T10:21:53.85 0.6 undecidable manual P 335 112.3986 50 0.49 38
IV.GMB.BHZ. 2018-10-06T10:21:52.11 0.6 undecidable manual P 53 101.5206 50 0.42 39
IV.HPAC.HHE. 2018-10-06T10:21:51.91 0.6 undecidable manual P 173 101.4207 50 0.24 41
IV.NOV.HHZ. 2018-10-06T10:21:50.58 1.0 undecidable manual S 24 50.0166 50 -0.31 22
IV.CROCE.HHN. 2018-10-06T10:21:50.81 0.3 undecidable manual P 201 92.8404 50 0.46 59
IV.MTTG.HHN. 2018-10-06T10:21:49.00 0.3 undecidable manual P 58 81.9513 50 0.33 62
IV.IVPL.HHZ. 2018-10-06T10:21:49.59 0.6 undecidable manual P 5 84.5487 50 0.52 39
IV.MPNC.HHZ. 2018-10-06T10:21:47.09 0.3 undecidable manual P 34 70.7736 50 0.14 66
IV.MNO.SHZ. 2018-10-06T10:21:47.92 1.0 undecidable manual S 332 39.3273 99 0.11 23
IV.RAFF.HHZ. 2018-10-06T10:21:46.15 0.3 undecidable manual P 228 64.6908 50 0.14 67
IV.HMDC.HHZ. 2018-10-06T10:21:46.99 0.3 undecidable manual P 188 73.6707 50 -0.41 62
IV.GALF.HHZ. 2018-10-06T10:21:45.52 0.3 undecidable manual S 290 31.3464 101 0.45 67
IV.AGST.EHE. 2018-10-06T10:21:43.37 0.6 undecidable manual P 144 49.1175 50 -0.24 45
IV.NOV.HHZ. 2018-10-06T10:21:43.80 0.3 undecidable manual P 24 50.0166 50 0.05 70
IV.SSY.HHZ. 2018-10-06T10:21:43.90 0.3 undecidable manual P 163 53.1024 50 -0.32 66
IV.HAGA.HHZ. 2018-10-06T10:21:42.37 0.3 undecidable manual P 149 42.9237 50 -0.29 67
IV.MUCR.HHZ. 2018-10-06T10:21:42.78 0.3 undecidable manual P 357 47.4192 50 -0.56 62
IV.EPZF.HHZ. 2018-10-06T10:21:41.85 0.6 undecidable manual S 350 23.3544 105 -0.52 44
IV.MNO.SHZ. 2018-10-06T10:21:41.63 0.3 undecidable manual P 332 39.3273 99 -0.34 67
IV.CAGR.HHZ. 2018-10-06T10:21:41.39 1.0 undecidable manual P 271 35.4423 100 0.2 23
IV.GALF.HHZ. 2018-10-06T10:21:40.04 0.1 undecidable manual P 290 31.3464 101 -0.35 91
IV.EPZF.HHZ. 2018-10-06T10:21:38.63 0.1 undecidable manual P 350 23.3544 105 -0.2 95
IV.EMCN.HNZ. 2018-10-06T10:21:38.95 0.3 undecidable manual P 31 22.5552 105 0.29 70
IV.ESML.HHZ. 2018-10-06T10:21:36.53 0.3 undecidable manual S 275 2.0979 161 0.3 72
IV.ESML.HHZ. 2018-10-06T10:21:35.16 0.1 positive manual P 275 2.0979 161 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHN. ML:2.6 0.0029322844999999996 0.3776 AML other m 2018-10-06T10:21:47.38
IV.EPZF.HHE. ML:2.6 0.0024852885 1.4752 AML other m 2018-10-06T10:21:49.17
IV.HAGA.HHE. ML:2.1 0.0003722703 1.2192 AML other m 2018-10-06T10:21:49.35
IV.GALF.HHN. ML:2.5 0.0015598990000000002 1.2448 AML other m 2018-10-06T10:21:50.92
IV.GALF.HNN. ML:2.0 0.00046043515000000003 1.2512 AML other m 2018-10-06T10:21:50.92
IV.GALF.HHE. ML:2.7 0.0024609145 0.5952 AML other m 2018-10-06T10:21:52.62
IV.GALF.HNE. ML:2.2 0.0007323184000000001 0.5888 AML other m 2018-10-06T10:21:52.62
IV.MNO.SHN. ML:0.0 0.001534277 1.36 AML other m 2018-10-06T10:21:53.16
IV.MUCR.HHE. ML:2.4 0.0008293102 0.9024 AML other m 2018-10-06T10:21:53.42
IV.MNO.SHE. ML:0.0 0.0013649445 1.2384 AML other m 2018-10-06T10:21:54.88
IV.NOV.HHE. ML:3.2 0.004449567999999999 0.4992 AML other m 2018-10-06T10:21:54.32
IV.MUCR.HHN. ML:2.4 0.00076737265 0.4608 AML other m 2018-10-06T10:21:55.27
IV.NOV.HHN. ML:3.3 0.0053289705 0.4608 AML other m 2018-10-06T10:21:55.60
IV.HAGA.HHN. ML:2.0 0.0003132565 0.5824 AML other m 2018-10-06T10:21:56.45
IV.SSY.HHE. ML:2.5 0.0008620889000000001 0.32 AML other m 2018-10-06T10:21:57.26
IV.CAGR.HHE. ML:2.7 0.0021104595 0.64 AML other m 2018-10-06T10:21:58.44
IV.RAFF.HHE. ML:2.3 0.00036460155 0.384 AML other m 2018-10-06T10:21:58.72
IV.CAGR.HHN. ML:2.6 0.0016002495 0.6016 AML other m 2018-10-06T10:21:59.87
IV.MPNC.HHN. ML:2.8 0.0010213955000000002 0.64 AML other m 2018-10-06T10:21:59.89
IV.SSY.HHN. ML:2.9 0.0018143069999999998 0.3584 AML other m 2018-10-06T10:22:01.89
IV.MPNC.HHE. ML:2.7 0.0008243722 0.544 AML other m 2018-10-06T10:22:04.60
IV.RAFF.HHN. ML:2.2 0.00028892724999999994 0.5184 AML other m 2018-10-06T10:22:05.85
IV.HMDC.HHN. ML:2.3 0.00033834494999999997 0.4608 AML other m 2018-10-06T10:22:06.23
IV.IVPL.HHE. ML:2.8 0.00091447945 0.4992 AML other m 2018-10-06T10:22:08.01
IV.HMDC.HHE. ML:2.4 0.00038422230000000003 0.5248 AML other m 2018-10-06T10:22:08.31
IV.IVPL.HHN. ML:2.7 0.0006777681 1.0592 AML other m 2018-10-06T10:22:08.75
IV.GMB.BHE. ML:2.8 0.0005693247 0.2752 AML other m 2018-10-06T10:22:10.62
IV.GMB.BHN. ML:2.9 0.0007956295 0.1984 AML other m 2018-10-06T10:22:10.94
MN.CEL.HNE. ML:2.1 0.00011529905 0.3648 AML other m 2018-10-06T10:22:13.35
MN.CEL.HHE. ML:2.2 0.00014672405 0.384 AML other m 2018-10-06T10:22:13.36
MN.CEL.HHN. ML:2.4 0.00020780334999999999 0.384 AML other m 2018-10-06T10:22:13.41
MN.CEL.HNN. ML:2.3 0.00015473520000000002 0.4032 AML other m 2018-10-06T10:22:13.41
IV.IACL.HHN. ML:2.8 0.0004835559 1.1424 AML other m 2018-10-06T10:22:14.25
IV.IACL.HHE. ML:2.5 0.00026716445 0.5632 AML other m 2018-10-06T10:22:22.38
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