Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 20-12-2018 and time 02:19:53 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 20-12-2018 02:19:53 (UTC)
  • 20-12-2018 03:19:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.2810, 14.7730 at 139 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
Capo d'Orlando ME 14 13254 13254
Brolo ME 15 5783 19037
Piraino ME 15 3962 22999
Gioiosa Marea ME 16 7074 30073
Naso ME 18 3813 33886
Ficarra ME 19 1469 35355
Capri Leone ME 20 4515 39870

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km W of Messina (238439 inhabitants)
78 Km W of Reggio di Calabria (183035 inhabitants)
82 Km NW of Acireale (52622 inhabitants)
91 Km N of Catania (314555 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 2018-12-20
02:19:53		 38.2808 14.7733 139 2019-06-04
09:16:06		 Bollettino Sismico Italiano INGV 64715581
Reviewed
Rev100 		ML 2.3 2018-12-20
02:19:53		 38.3147 14.7988 142 2018-12-20
02:33:49		 Sala Sismica INGV-Roma 64002871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-20 02:19:53 ± 0.49
Latitude 38.2808 ± 0.0324
Longitude 14.7733 ± 0.0275
Depth (km) 139 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64715581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2785
Semi-minor axis of confidence ellipse (meter) 2581
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 2790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.99290
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 64002871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-20 02:33:49

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 64715581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-22 16:31:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2018-12-20T02:21:42.16 3.0 undecidable manual Sn -5.85 0
IV.SEI.HHZ. 2018-12-20T02:21:38.17 3.0 undecidable manual Pn 1.72 0
IV.GIUL.HHZ. 2018-12-20T02:21:35.78 3.0 undecidable manual Sn -1.82 0
IV.LPDG.HHZ. 2018-12-20T02:20:58.00 3.0 undecidable manual Pn -1.31 0
IV.GRI.EHZ. 2018-12-20T02:20:43.05 0.6 undecidable manual S 67 154.9227 129 0.58 35
IV.PLAC.HHZ. 2018-12-20T02:20:40.10 1.0 undecidable manual S 82 146.0427 130 -0.88 16
IV.JOPP.HHZ. 2018-12-20T02:20:33.68 0.6 undecidable manual S 69 103.2189 141 -0.81 35
IV.GMB.BHZ. 2018-12-20T02:20:33.20 3.0 undecidable manual S 0.19 0
IV.MSRU.HHE. 2018-12-20T02:20:29.83 0.6 undecidable manual S 91 63.9915 153 -0.06 48
IV.PIPA.HHZ. 2018-12-20T02:20:29.98 0.3 undecidable manual P 52 221.2119 118 1.16 28
IV.SPS2.HHZ. 2018-12-20T02:20:24.98 0.3 undecidable manual P 50 175.6908 125 0.99 40
IV.CET2.HHE. 2018-12-20T02:20:23.14 0.3 undecidable manual P 36 171.8946 125 -0.46 50
IV.CAR1.HHZ. 2018-12-20T02:20:22.39 1.0 undecidable manual P 49 164.613 127 -0.48 17
IV.GRI.EHZ. 2018-12-20T02:20:21.71 0.3 undecidable manual P 67 154.9227 129 -0.2 57
IV.PLAC.HHZ. 2018-12-20T02:20:20.36 0.1 positive manual P 82 146.0427 130 -0.69 68
IV.JOPP.HHZ. 2018-12-20T02:20:17.80 0.3 undecidable manual P 69 103.2189 141 0.49 61
IV.GMB.BHZ. 2018-12-20T02:20:16.71 3.0 undecidable manual P 0.4 0
IV.SICLA.EHN. 2018-12-20T02:20:15.82 0.3 undecidable manual P 92 82.0512 147 0.06 70
IV.MTTG.HHZ. 2018-12-20T02:20:15.88 0.3 undecidable manual P 111 86.5467 146 -0.19 67
IV.AIO.HHZ. 2018-12-20T02:20:14.35 0.3 undecidable manual P 130 52.8027 158 0.27 70
IV.MSRU.HHE. 2018-12-20T02:20:14.20 0.3 undecidable manual P 91 63.9915 153 -0.46 66
IV.CSLB.HHZ. 2018-12-20T02:20:14.55 0.3 undecidable manual P 239 73.1712 150 -0.64 62
IV.NOV.HHZ. 2018-12-20T02:20:14.09 0.3 undecidable manual P 131 42.3243 162 0.46 69
IV.MPNC.HHN. 2018-12-20T02:20:14.19 0.3 undecidable manual P 106 52.6029 158 0.12 73
IV.MILZ.HHN. 2018-12-20T02:20:14.19 0.3 undecidable manual P 91 39.9267 163 0.66 64
IV.IFIL.HHN. 2018-12-20T02:20:13.08 0.3 undecidable manual P 331 35.8419 165 -0.31 72
IV.IACL.HHE. 2018-12-20T02:20:13.82 0.3 undecidable manual P 308 45.9207 160 0.05 74
IV.MUCR.HHE. 2018-12-20T02:20:13.08 0.6 undecidable manual P 162 27.8499 168 -0.07 51
IV.ILLI.HHZ. 2018-12-20T02:20:13.66 0.3 undecidable manual P 40 23.754 170 0.6 68
IV.IVGP.HHN. 2018-12-20T02:20:12.94 0.3 undecidable manual P 52 20.7681 171 -0.05 78
IV.IVPL.HHZ. 2018-12-20T02:20:12.75 0.1 undecidable manual P 59 20.868 171 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GMB.BHN. ML:2.9 0.0003070628 0.2 AML other m 2018-12-20T02:20:36.21
IV.GMB.BHE. ML:2.9 0.0003425051 0.16 AML other m 2018-12-20T02:20:36.33
IV.JOPP.HHN. ML:2.2 0.0000621536 0.16 AML other m 2018-12-20T02:20:36.59
IV.JOPP.HHE. ML:2.1 0.000046081865 1.84 AML other m 2018-12-20T02:20:36.99
IV.MTTG.HHN. ML:2.1 0.000057352310000000004 0.7616 AML other m 2018-12-20T02:20:39.68
IV.PLAC.HHE. ML:2.3 0.00005637035 0.36 AML other m 2018-12-20T02:20:42.47
IV.PLAC.HNN. ML:2.3 0.00005799583 0.4 AML other m 2018-12-20T02:20:42.48
IV.PLAC.HNE. ML:2.3 0.000059720280000000003 0.72 AML other m 2018-12-20T02:20:44.23
IV.PLAC.HHN. ML:2.3 0.000058875905000000004 0.3392 AML other m 2018-12-20T02:20:44.76
IV.GRI.EHE. ML:2.4 0.000065237325 1.5584 AML other m 2018-12-20T02:20:44.92
IV.CAR1.HHE. ML:2.1 0.000033649545 0.2992 AML other m 2018-12-20T02:20:49.38
IV.GRI.EHN. ML:2.3 0.000048846425 0.5008 AML other m 2018-12-20T02:20:49.48
IV.CAR1.HHN. ML:2.1 0.000034199955 0.44 AML other m 2018-12-20T02:20:50.24
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