Earthquake with magnitude of ML 1.1 on date 21-12-2023 and time 03:41:08 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.1 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 21-12-2023 02:41:08 (UTC)
  • 21-12-2023 03:41:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1640, 15.1370 at 9 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Terme Vigliatore ME 4 7395 7395
Furnari ME 7 3784 11179
Rodì Milici ME 7 2056 13235
Falcone ME 7 2808 16043
Barcellona Pozzo di Gotto ME 7 41583 57626
Oliveri ME 8 2181 59807
Mazzarrà Sant'Andrea ME 8 1531 61338
Castroreale ME 10 2504 63842
Merì ME 10 2338 66180
Milazzo ME 11 31646 97826
San Filippo del Mela ME 12 7115 104941
Tripi ME 13 873 105814
Basicò ME 13 612 106426
Santa Lucia del Mela ME 13 4650 111076
Pace del Mela ME 15 6239 117315
Patti ME 15 13431 130746
Gualtieri Sicaminò ME 16 1807 132553
Novara di Sicilia ME 16 1337 133890
Condrò ME 17 493 134383
Montagnareale ME 17 1615 135998
Librizzi ME 17 1660 137658
Montalbano Elicona ME 19 2287 139945
San Pier Niceto ME 19 2837 142782
Torregrotta ME 19 7431 150213
San Piero Patti ME 19 2915 153128
Fondachelli-Fantina ME 20 1019 154147

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Messina (238439 inhabitants)
45 Km W of Reggio di Calabria (183035 inhabitants)
61 Km N of Acireale (52622 inhabitants)
74 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
Reviewed
Rev100
ML 1.1 2023-12-21
02:41:08
38.1638 15.1368 9 2023-12-21
02:46:15
Sala Sismica INGV-Roma 124169301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-21 02:41:08 ± 0.08
Latitude 38.1638 ± 0.0045
Longitude 15.1368 ± 0.0057
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124169301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 477
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.44516
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124169301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-21 02:46:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRCB.HHZ. 2023-12-21T02:41:24.41 0.6 undecidable manual S 90 49.4172 50 -0.1 49
IV.IVUG.HHE. 2023-12-21T02:41:19.22 0.6 undecidable manual S 333 28.9488 108 0.2 49
3D.OEM9.HNE. 2023-12-21T02:41:19.22 0.6 undecidable manual S 333 27.9498 108 0.53 46
IV.MUCR.HHZ. 2023-12-21T02:41:18.21 0.6 undecidable manual S 240 26.5512 109 -0.04 52
IV.IVGP.HHE. 2023-12-21T02:41:18.56 0.6 undecidable manual S 329 30.0477 50 -0.8 44
IV.MRCB.HHZ. 2023-12-21T02:41:17.69 0.6 undecidable manual P 90 49.4172 50 -0.05 49
IV.AIO.HHZ. 2023-12-21T02:41:16.89 0.6 undecidable manual S 159 22.9548 112 -0.18 51
IV.LIBRI.HHZ. 2023-12-21T02:41:15.75 0.6 undecidable manual S 244 20.2686 115 -0.45 46
IV.MILZ.HHZ. 2023-12-21T02:41:14.16 0.6 undecidable manual S 35 14.4744 123 -0.29 49
IV.MUCR.HHZ. 2023-12-21T02:41:14.34 0.1 positive manual P 240 26.5512 109 0.22 100
IV.IVGP.HHE. 2023-12-21T02:41:14.60 0.6 undecidable manual P 329 30.0477 50 -0.16 51
3D.OEM9.HNE. 2023-12-21T02:41:14.64 0.6 undecidable manual P 333 27.9498 108 0.26 49
IV.IVUG.HHE. 2023-12-21T02:41:14.76 0.6 undecidable manual P 333 28.9488 108 0.2 49
IV.IVLT.HHE. 2023-12-21T02:41:14.83 0.6 undecidable manual P 328 30.5472 50 -0.01 51
IV.LIBRI.HHZ. 2023-12-21T02:41:13.26 0.3 positive manual P 244 20.2686 115 0.32 76
IV.AIO.HHZ. 2023-12-21T02:41:13.65 0.3 undecidable manual P 159 22.9548 112 0.21 76
IV.MILZ.HHZ. 2023-12-21T02:41:12.09 0.3 undecidable manual P 35 14.4744 123 0.16 79
IV.MPNC.HHN. 2023-12-21T02:41:12.62 0.3 undecidable manual P 96 18.9699 116 -0.08 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LIBRI.HHN. ML:0.9 0.00006434759 0.36 AML other m 2023-12-21T02:41:17.30
IV.LIBRI.HHE. ML:1.0 0.000078435315 0.4592 AML other m 2023-12-21T02:41:16.56
IV.LIBRI.HNE. ML:1.3 0.00013622032000000002 0.2304 AML other m 2023-12-21T02:41:17.20
IV.LIBRI.HNN. ML:1.4 0.00019700000000000002 0.2 AML other m 2023-12-21T02:41:18.33
IV.MILZ.HHE. ML:1.2 0.00014523305 0.3808 AML other m 2023-12-21T02:41:15.51
IV.MILZ.HHN. ML:1.1 0.00012625340000000003 1.12 AML other m 2023-12-21T02:41:21.84
IV.AIO.HHE. ML:0.8 0.00004610029 0.1808 AML other m 2023-12-21T02:41:18.08
IV.AIO.HHN. ML:1.1 0.00007991024999999999 0.24 AML other m 2023-12-21T02:41:17.72
IV.MUCR.HHE. ML:1.0 0.00006128456 0.2 AML other m 2023-12-21T02:41:18.61
IV.MUCR.HHN. ML:1.0 0.000056925740000000006 0.2192 AML other m 2023-12-21T02:41:18.52
IV.MRCB.HHE. ML:1.0 0.00002635153 1.1792 AML other m 2023-12-21T02:41:39.77
IV.MRCB.HHN. ML:1.2 0.000046674735 1.32 AML other m 2023-12-21T02:41:42.88
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