Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 07-10-2018 and time 05:11:59 (UTC) in region Ragalna (CT)

A magnitude ML 2.0 earthquake occured in region: Ragalna (CT), on

  • 07-10-2018 05:11:59 (UTC)
  • 07-10-2018 07:11:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6320, 14.9340 at 5 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
Ragalna CT 1 3924 3924
Santa Maria di Licodia CT 4 7641 11565
Biancavilla CT 6 24007 35572
Belpasso CT 6 28108 63680
Paternò CT 7 48228 111908
Nicolosi CT 8 7463 119371
Adrano CT 10 36122 155493
Camporotondo Etneo CT 10 5023 160516
San Pietro Clarenza CT 10 7743 168259
Pedara CT 11 14102 182361
Mascalucia CT 12 31958 214319
Trecastagni CT 13 10910 225229
Motta Sant'Anastasia CT 14 12116 237345
Tremestieri Etneo CT 14 20589 257934
Gravina di Catania CT 14 25838 283772
Misterbianco CT 14 49410 333182
Viagrande CT 15 8563 341745
Sant'Agata li Battiati CT 15 9479 351224
San Giovanni la Punta CT 15 23060 374284
Aci Bonaccorsi CT 16 3524 377808
Zafferana Etnea CT 17 9517 387325
Centuripe EN 17 5470 392795
San Gregorio di Catania CT 17 11966 404761
Aci Sant'Antonio CT 17 17984 422745
Valverde CT 18 7840 430585
Aci Catena CT 19 29851 460436
Milo CT 19 1087 461523
Santa Venerina CT 19 8592 470115
Bronte CT 20 19172 489287
Catania CT 20 314555 803842

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Catania (314555 inhabitants)
21 Km W of Acireale (52622 inhabitants)
71 Km NW of Siracusa (122291 inhabitants)
78 Km E of Caltanissetta (63360 inhabitants)
81 Km N of Ragusa (73313 inhabitants)
82 Km SW of Reggio di Calabria (183035 inhabitants)
83 Km SW of Messina (238439 inhabitants)
84 Km NE of Vittoria (63339 inhabitants)
87 Km NE of Gela (75827 inhabitants)
87 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 2.0 2018-10-07
05:11:59		 37.6323 14.9345 5 2019-06-04
09:16:12		 Bollettino Sismico Italiano INGV 67704571
Reviewed
Rev200 		ML 2.0 2018-10-07
05:11:58		 37.643 14.873 5 2019-04-18
08:05:02		 Sala Operativa INGV-OE (Catania) 61694081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-07 05:11:59 ± 0.15
Latitude 37.6323 ± 0.0081
Longitude 14.9345 ± 0.0148
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67704571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1015
Semi-minor axis of confidence ellipse (meter) 912
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.69518
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:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 61694081
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-10-07 05:26:49

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 67704571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-18 08:04:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2018-10-07T05:12:22.15 0.6 undecidable manual S 228 67.8765 50 1.04 34
IV.AGST.EHZ. 2018-10-07T05:12:16.41 0.3 undecidable manual S 148 49.0176 50 0.34 69
IV.HAGA.HHZ. 2018-10-07T05:12:14.92 0.3 undecidable manual S 153 43.1235 96 0.77 61
IV.RESU.HHZ. 2018-10-07T05:12:14.40 1.0 undecidable manual P 271 77.1672 50 1.17 16
IV.RAFF.HHZ. 2018-10-07T05:12:11.34 0.3 undecidable manual P 228 67.8765 50 -0.47 65
IV.SSY.HHZ. 2018-10-07T05:12:09.25 0.1 undecidable manual P 167 54.1014 50 -0.43 90
IV.AGST.EHZ. 2018-10-07T05:12:08.30 0.1 undecidable manual P 148 49.0176 50 -0.6 86
IV.NOV.HHE. 2018-10-07T05:12:08.93 0.3 undecidable manual P 22 47.3193 96 0.31 70
IV.HAGA.HHZ. 2018-10-07T05:12:07.28 0.3 undecidable manual P 153 43.1235 96 -0.51 67
IV.CAGR.HHE. 2018-10-07T05:12:07.50 0.3 undecidable manual P 268 38.2284 97 0.7 63
IV.MUCR.HHZ. 2018-10-07T05:12:07.56 0.3 undecidable manual P 353 45.8208 96 -0.77 60
IV.MNO.SHE. 2018-10-07T05:12:07.55 0.6 undecidable manual P 328 39.2274 97 0.55 45
IV.EPZF.HHZ. 2018-10-07T05:12:06.94 0.3 undecidable manual S 342 22.3554 102 -0.06 77
IV.GALF.HHN. 2018-10-07T05:12:05.49 0.3 undecidable manual P 285 33.4443 98 -0.37 71
IV.EPZF.HHZ. 2018-10-07T05:12:03.58 0.3 undecidable manual P 342 22.3554 102 -0.08 77
IV.EMCN.HNN. 2018-10-07T05:12:03.91 0.3 undecidable manual P 26 19.6692 103 0.77 63
IV.ESML.HHZ. 2018-10-07T05:12:01.55 0.3 undecidable manual S 252 5.0949 132 0.08 79
IV.ESML.HHZ. 2018-10-07T05:12:00.14 0.1 positive manual P 252 5.0949 132 -0.33 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHN. ML:2.2 0.0011823570000000002 0.4 AML other m 2018-10-07T05:12:12.11
IV.EPZF.HHE. ML:2.1 0.00100444445 1.4592 AML other m 2018-10-07T05:12:14.10
IV.HAGA.HHN. ML:1.7 0.00015057255 0.5408 AML other m 2018-10-07T05:12:15.66
IV.AGST.EHE. ML:2.3 0.00050474345 0.4 AML other m 2018-10-07T05:12:16.97
IV.AGST.EHN. ML:2.3 0.0005188822 1.7408 AML other m 2018-10-07T05:12:16.09
IV.MUCR.HHE. ML:2.0 0.00029960315000000006 1.1392 AML other m 2018-10-07T05:12:19.26
IV.HAGA.HHE. ML:1.6 0.00012676279 1.7184 AML other m 2018-10-07T05:12:19.00
IV.MUCR.HHN. ML:2.0 0.0002946273 1.5008 AML other m 2018-10-07T05:12:19.20
IV.SSY.HHE. ML:2.2 0.00039707945 0.2784 AML other m 2018-10-07T05:12:22.05
IV.RAFF.HHE. ML:2.0 0.00016424929999999999 0.3616 AML other m 2018-10-07T05:12:23.84
IV.SSY.HHN. ML:2.5 0.0008472821 0.32 AML other m 2018-10-07T05:12:24.66
IV.RAFF.HHN. ML:1.8 0.00011818302 0.3968 AML other m 2018-10-07T05:12:26.47
IV.RESU.HHE. ML:1.7 0.00007740448999999999 0.56 AML other m 2018-10-07T05:12:38.37
IV.RESU.HHN. ML:1.9 0.000111455525 0.5408 AML other m 2018-10-07T05:12:38.56
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