Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 04-12-2018 and time 01:09:08 (Italy) in region 3 km SW Tortorici (ME)

A magnitude ML 2.2 earthquake occured in region: 3 km SW Tortorici (ME), on

  • 04-12-2018 00:09:08 (UTC)
  • 04-12-2018 01:09:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0140, 14.8010 at 9 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
Tortorici ME 3 6435 6435
Galati Mamertino ME 3 2627 9062
Longi ME 5 1473 10535
San Salvatore di Fitalia ME 7 1319 11854
Ucria ME 8 1058 12912
Castell'Umberto ME 8 3128 16040
Frazzanò ME 8 711 16751
Alcara li Fusi ME 9 1980 18731
Sinagra ME 9 2705 21436
Mirto ME 9 974 22410
Floresta ME 10 485 22895
Raccuja ME 11 1041 23936
Ficarra ME 11 1469 25405
San Marco d'Alunzio ME 11 1996 27401
Militello Rosmarino ME 12 1324 28725
Naso ME 12 3813 32538
Capri Leone ME 13 4515 37053
Sant'Angelo di Brolo ME 13 3090 40143
Torrenova ME 14 4386 44529
San Piero Patti ME 15 2915 47444
Sant'Agata di Militello ME 16 12624 60068
Brolo ME 16 5783 65851
Librizzi ME 17 1660 67511
Maniace CT 17 3765 71276
Capo d'Orlando ME 17 13254 84530
Piraino ME 18 3962 88492
Santa Domenica Vittoria ME 18 980 89472
San Fratello ME 18 3707 93179
Montagnareale ME 19 1615 94794
Montalbano Elicona ME 19 2287 97081
Acquedolci ME 19 5744 102825
Gioiosa Marea ME 20 7074 109899
Randazzo CT 20 10900 120799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Acireale (52622 inhabitants)
62 Km NW of Catania (314555 inhabitants)
69 Km W of Messina (238439 inhabitants)
75 Km W of Reggio di Calabria (183035 inhabitants)
87 Km NE of Caltanissetta (63360 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 2.2 2018-12-04
00:09:08		 38.0137 14.801 9 2019-06-04
09:16:16		 Bollettino Sismico Italiano INGV 68358691
Reviewed
Rev100 		ML 2.1 2018-12-04
00:09:07		 38.0507 14.7957 5 2018-12-04
00:13:56		 Sala Sismica INGV-Roma 63626501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-04 00:09:08 ± 0.08
Latitude 38.0137 ± 0.0045
Longitude 14.8010 ± 0.0057
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68358691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 394
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 150
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) 58
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 63626501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-04 00:13:56

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 68358691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-08 14:12:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2018-12-04T00:09:22.11 0.6 undecidable manual S 211 39.4272 50 0.3 45
IV.IACL.HHE. 2018-12-04T00:09:21.08 0.6 undecidable manual P 326 69.4749 50 0.28 43
IV.AIO.HHZ. 2018-12-04T00:09:21.34 0.6 undecidable manual S 97 38.0286 50 -0.12 47
IV.CSLB.HHZ. 2018-12-04T00:09:20.18 0.3 undecidable manual P 263 65.49 50 -0.01 68
IV.NOV.HHZ. 2018-12-04T00:09:19.00 0.6 undecidable manual S 87 29.3484 50 -0.14 47
IV.PLLN.EHZ. 2018-12-04T00:09:19.24 0.3 undecidable manual P 268 57.5979 50 0.28 65
IV.EMSG.HHZ. 2018-12-04T00:09:18.38 0.6 undecidable manual S 149 25.0527 110 0.65 41
IV.IVGP.HHN. 2018-12-04T00:09:17.27 0.6 undecidable manual P 18 44.7219 50 0.28 45
IV.EPZF.HHZ. 2018-12-04T00:09:16.79 0.6 undecidable manual S 167 21.5673 113 0.17 48
IV.IVPL.HHZ. 2018-12-04T00:09:16.96 0.3 undecidable manual P 21 43.1235 50 0.21 68
IV.GALF.HHZ. 2018-12-04T00:09:16.16 0.3 undecidable manual P 211 39.4272 50 0 71
IV.AIO.HHZ. 2018-12-04T00:09:15.62 0.1 undecidable manual P 97 38.0286 50 -0.34 89
IV.NOV.HHZ. 2018-12-04T00:09:14.30 0.1 undecidable manual P 87 29.3484 50 -0.32 91
IV.EPZF.HHZ. 2018-12-04T00:09:13.10 0.1 positive manual P 167 21.5673 113 -0.07 97
IV.EMSG.HHZ. 2018-12-04T00:09:13.99 0.1 undecidable manual P 149 25.0527 110 0.18 94
IV.MNO.SHZ. 2018-12-04T00:09:13.72 0.3 undecidable manual S 225 13.0758 126 -0.29 70
IV.MUCR.HHZ. 2018-12-04T00:09:12.63 0.3 undecidable manual S 63 7.1928 142 0.1 74
IV.MNO.SHZ. 2018-12-04T00:09:11.30 0.1 undecidable manual P 225 13.0758 126 -0.36 93
IV.MUCR.HHZ. 2018-12-04T00:09:10.85 0.1 undecidable manual P 63 7.1928 142 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:2.4 0.00438 1.66 AML other m 2018-12-04T00:09:13.13
IV.MUCR.HHE. ML:2.4 0.0043100000000000005 1.3 AML other m 2018-12-04T00:09:13.94
IV.MNO.SHN. ML:0.0 0.00262 0.4 AML other m 2018-12-04T00:09:14.29
IV.MNO.SHE. ML:0.0 0.0021100000000000003 0.28 AML other m 2018-12-04T00:09:14.67
IV.EMSG.HHE. ML:2.4 0.0014399999999999999 0.32 AML other m 2018-12-04T00:09:18.66
IV.EPZF.HHN. ML:2.4 0.0019249999999999998 0.36 AML other m 2018-12-04T00:09:20.51
IV.EPZF.HHE. ML:2.2 0.001135 0.58 AML other m 2018-12-04T00:09:21.66
IV.NOV.HHN. ML:2.2 0.0007085 0.86 AML other m 2018-12-04T00:09:21.64
IV.AIO.HHN. ML:1.8 0.000259 0.22 AML other m 2018-12-04T00:09:21.99
IV.AIO.HHE. ML:1.9 0.0002795 0.54 AML other m 2018-12-04T00:09:22.49
IV.EMSG.HHN. ML:2.3 0.0012900000000000001 0.72 AML other m 2018-12-04T00:09:23.72
IV.NOV.HHE. ML:2.3 0.000926 0.34 AML other m 2018-12-04T00:09:23.67
IV.GALF.HHE. ML:1.8 0.0002285 1.54 AML other m 2018-12-04T00:09:24.06
IV.GALF.HHN. ML:1.8 0.000235 0.5 AML other m 2018-12-04T00:09:31.60
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