Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 18-12-2023 and time 07:30:37 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.5 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 18-12-2023 06:30:37 (UTC)
  • 18-12-2023 07:30:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3120, 15.4260 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Villafranca Tirrena ME 8 8584 8584
Spadafora ME 11 5021 13605
Venetico ME 12 3911 17516
Saponara ME 13 3988 21504
Valdina ME 14 1355 22859
Torregrotta ME 15 7431 30290
Roccavaldina ME 15 1133 31423
Rometta ME 15 6650 38073
Condrò ME 17 493 38566
Messina ME 17 238439 277005
Monforte San Giorgio ME 18 2777 279782
Pace del Mela ME 18 6239 286021
San Pier Niceto ME 18 2837 288858
Milazzo ME 19 31646 320504
Gualtieri Sicaminò ME 19 1807 322311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Messina (238439 inhabitants)
29 Km NW of Reggio di Calabria (183035 inhabitants)
81 Km N of Acireale (52622 inhabitants)
95 Km NE 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
Reviewed
Rev100 		ML 1.5 2023-12-18
06:30:37		 38.3118 15.4257 10 2023-12-18
06:38:22		 Sala Sismica INGV-Roma 124120611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-18 06:30:37 ± 0.1
Latitude 38.3118 ± 0.0072
Longitude 15.4257 ± 0.0046
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124120611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 828
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 186
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 124120611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-18 06:38:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2023-12-18T06:31:52.66 3.0 undecidable manual Sn 0.35 0
IV.ERC.EHZ. 2023-12-18T06:31:12.44 3.0 undecidable manual Pg 2.71 0
IV.RESU.HHZ. 2023-12-18T06:30:59.74 3.0 positive manual P 0.58 0
IV.SOI.EHZ. 2023-12-18T06:30:56.60 0.6 undecidable manual S 116 60.8946 50 -0.32 44
IV.MUCR.HHZ. 2023-12-18T06:30:55.90 0.6 undecidable manual S 238 56.5989 50 0.11 46
IV.LIBRI.HHZ. 2023-12-18T06:30:53.74 0.6 undecidable manual S 240 50.2164 50 -0.33 44
3D.OEM9.HNN. 2023-12-18T06:30:50.79 0.3 undecidable manual S 283 38.7279 50 -0.23 69
IV.MUCR.HHZ. 2023-12-18T06:30:48.73 0.3 undecidable manual P 238 56.5989 50 0.51 63
IV.SOI.EHZ. 2023-12-18T06:30:48.72 0.1 undecidable manual P 116 60.8946 50 -0.15 90
IV.LIBRI.HHZ. 2023-12-18T06:30:47.47 0.1 undecidable manual P 240 50.2164 50 0.24 90
IV.SICLA.EHZ. 2023-12-18T06:30:47.86 0.6 undecidable manual S 104 25.8519 110 0.41 46
IV.ILOS.HNE. 2023-12-18T06:30:46.90 0.3 undecidable manual P 290 44.1225 50 0.61 62
IV.IVGP.HHZ. 2023-12-18T06:30:45.72 0.3 undecidable manual P 283 41.5251 50 -0.17 70
IV.MPNC.HHE. 2023-12-18T06:30:45.52 0.3 undecidable manual S 199 19.4694 116 0.13 73
IV.IVUG.HHZ. 2023-12-18T06:30:45.57 0.1 undecidable manual P 284 39.3273 50 0.01 97
IV.GMB1.HHZ. 2023-12-18T06:30:45.26 0.1 undecidable manual P 114 37.5291 50 -0.02 97
3D.OEM9.HNN. 2023-12-18T06:30:45.68 0.1 undecidable manual P 283 38.7279 50 0.21 93
IV.IVLT.HHN. 2023-12-18T06:30:45.87 0.1 undecidable manual P 283 42.624 50 -0.19 93
IV.MILZ.HHZ. 2023-12-18T06:30:44.37 0.3 undecidable manual S 255 17.4714 119 -0.43 69
IV.SICLA.EHZ. 2023-12-18T06:30:43.31 0.1 undecidable manual P 104 25.8519 110 -0.1 97
IV.MRCB.HHZ. 2023-12-18T06:30:43.85 0.1 undecidable manual P 124 29.3484 50 -0.16 95
IV.MPNC.HHE. 2023-12-18T06:30:42.23 0.1 undecidable manual P 199 19.4694 116 0.02 100
IV.MILZ.HHZ. 2023-12-18T06:30:41.84 0.1 undecidable manual P 255 17.4714 119 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GMB1.HHN. ML:0.0 0.00012566205 0.1408 AML other m 2023-12-18T06:30:46.37
IV.GMB1.HHE. ML:0.0 0.00007648154499999999 0.1184 AML other m 2023-12-18T06:30:46.42
IV.SICLA.EHE. ML:1.4 0.00013978980000000003 0.6592 AML other m 2023-12-18T06:30:52.74
IV.SICLA.EHN. ML:1.6 0.00020832905 1.1392 AML other m 2023-12-18T06:31:05.48
IV.GMB1.HNE. ML:1.3 0.000078115515 0.1312 AML other m 2023-12-18T06:30:51.91
IV.GMB1.HNN. ML:1.6 0.00013709155000000002 0.128 AML other m 2023-12-18T06:30:46.37
IV.LIBRI.HNE. ML:1.5 0.000078293055 0.2304 AML other m 2023-12-18T06:30:55.92
IV.LIBRI.HNN. ML:1.6 0.00011083065 0.3104 AML other m 2023-12-18T06:30:54.38
IV.LIBRI.HHE. ML:1.3 0.000054540695 0.5184 AML other m 2023-12-18T06:30:54.91
IV.LIBRI.HHN. ML:1.3 0.000052173644999999994 0.5184 AML other m 2023-12-18T06:30:54.82
IV.SOI.EHE. ML:1.6 0.00008458128000000001 1.1008 AML other m 2023-12-18T06:31:06.86
IV.SOI.EHN. ML:1.5 0.000062216405 1.36 AML other m 2023-12-18T06:31:15.99
IV.MUCR.HHE. ML:1.4 0.000056785455 0.3808 AML other m 2023-12-18T06:30:57.36
IV.MUCR.HHN. ML:1.5 0.000072203595 1.7824 AML other m 2023-12-18T06:30:48.82
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