Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 09-12-2023 and time 08:13:34 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.6 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 09-12-2023 08:13:34 (UTC)
  • 09-12-2023 09:13:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0840, 14.6110 at 8 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
Sant'Agata di Militello ME 3 12624 12624
Acquedolci ME 4 5744 18368
Torrenova ME 6 4386 22754
Militello Rosmarino ME 7 1324 24078
San Marco d'Alunzio ME 8 1996 26074
San Fratello ME 8 3707 29781
Capri Leone ME 9 4515 34296
Alcara li Fusi ME 11 1980 36276
Frazzanò ME 12 711 36987
Mirto ME 13 974 37961
Longi ME 14 1473 39434
Capo d'Orlando ME 15 13254 52688
San Salvatore di Fitalia ME 15 1319 54007
Galati Mamertino ME 15 2627 56634
Naso ME 16 3813 60447
Caronia ME 16 3364 63811
Castell'Umberto ME 17 3128 66939
Ficarra ME 19 1469 68408
Tortorici ME 20 6435 74843

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NW of Acireale (52622 inhabitants)
77 Km NW of Catania (314555 inhabitants)
82 Km NE of Caltanissetta (63360 inhabitants)
84 Km W of Messina (238439 inhabitants)
90 Km W of Reggio di Calabria (183035 inhabitants)
96 Km E of Bagheria (55387 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 1.6 2023-12-09
08:13:34		 38.0838 14.6112 8 2023-12-09
08:21:56		 Sala Sismica INGV-Roma 123913101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-09 08:13:34 ± 0.32
Latitude 38.0838 ± 0.0297
Longitude 14.6112 ± 0.0114
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123913101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3313
Semi-minor axis of confidence ellipse (meter) 519
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 3310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 123913101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-09 08:21:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2023-12-09T08:13:51.59 0.6 undecidable manual S 103 55.7997 50 -0.97 34
IV.CSLB.HHZ. 2023-12-09T08:13:51.68 0.6 undecidable manual S 252 51.0156 50 0.39 43
IV.AIO.HHZ. 2023-12-09T08:13:45.07 1.0 positive manual P 103 55.7997 50 0.18 22
IV.LIBRI.HHZ. 2023-12-09T08:13:44.07 0.6 undecidable manual S 90 27.75 105 -0.32 45
IV.GIB.HHE. 2023-12-09T08:13:44.79 0.3 undecidable manual P 259 52.2033 50 0.45 63
IV.CSLB.HHZ. 2023-12-09T08:13:43.35 0.3 undecidable manual P 252 51.0156 50 -0.81 56
IV.MUCR.HHZ. 2023-12-09T08:13:43.07 0.3 undecidable manual S 101 23.3544 108 0.13 72
IV.GALF.HHZ. 2023-12-09T08:13:42.60 1.0 positive manual P 185 41.5251 50 -0.11 23
IV.EPZF.HHE. 2023-12-09T08:13:42.58 0.3 undecidable manual P 143 35.9418 102 0.8 57
IV.LIBRI.HHZ. 2023-12-09T08:13:40.29 0.6 positive manual P 90 27.75 105 0.11 47
IV.MUCR.HHZ. 2023-12-09T08:13:39.54 0.1 undecidable manual P 101 23.3544 108 0.2 94
IV.MSFR.HHE. 2023-12-09T08:13:37.29 0.3 undecidable manual S 197 5.7942 142 -0.41 69
IV.MSFR.HHE. 2023-12-09T08:13:36.27 0.1 undecidable manual P 197 5.7942 142 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:1.7 0.0003055 1.44 AML other m 2023-12-09T08:13:43.86
IV.MUCR.HHE. ML:1.6 0.000243 0.52 AML other m 2023-12-09T08:13:44.68
IV.LIBRI.HNE. ML:1.8 0.00031599999999999993 0.6 AML other m 2023-12-09T08:13:46.94
IV.LIBRI.HNN. ML:1.6 0.000246 0.22 AML other m 2023-12-09T08:13:47.02
IV.LIBRI.HHN. ML:1.2 0.0000896 1.08 AML other m 2023-12-09T08:13:47.38
IV.GALF.HHE. ML:1.8 0.0002305 0.42 AML other m 2023-12-09T08:13:48.31
IV.LIBRI.HHE. ML:1.3 0.00010685 0.92 AML other m 2023-12-09T08:13:49.27
IV.GALF.HNE. ML:1.6 0.0001285 1.46 AML other m 2023-12-09T08:13:49.25
IV.GALF.HHN. ML:2.0 0.0003255 1.26 AML other m 2023-12-09T08:13:54.27
IV.GALF.HNN. ML:1.6 0.000136 1.24 AML other m 2023-12-09T08:13:55.27
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