Earthquake with magnitude of ML 1.0 on date 21-12-2023 and time 02:42:15 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.0 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 21-12-2023 02:42:15 (UTC)
  • 21-12-2023 03:42:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1610, 15.1420 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.

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 3 7395 7395
Rodì Milici ME 6 2056 9451
Furnari ME 6 3784 13235
Barcellona Pozzo di Gotto ME 7 41583 54818
Falcone ME 7 2808 57626
Mazzarrà Sant'Andrea ME 8 1531 59157
Oliveri ME 8 2181 61338
Merì ME 9 2338 63676
Castroreale ME 9 2504 66180
Milazzo ME 11 31646 97826
San Filippo del Mela ME 11 7115 104941
Santa Lucia del Mela ME 13 4650 109591
Tripi ME 13 873 110464
Basicò ME 13 612 111076
Pace del Mela ME 15 6239 117315
Gualtieri Sicaminò ME 15 1807 119122
Patti ME 16 13431 132553
Novara di Sicilia ME 16 1337 133890
Condrò ME 16 493 134383
Montagnareale ME 17 1615 135998
Librizzi ME 18 1660 137658
San Pier Niceto ME 18 2837 140495
Torregrotta ME 19 7431 147926
Montalbano Elicona ME 19 2287 150213
Fondachelli-Fantina ME 20 1019 151232
San Piero Patti ME 20 2915 154147

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Messina (238439 inhabitants)
44 Km W of Reggio di Calabria (183035 inhabitants)
61 Km N of Acireale (52622 inhabitants)
73 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 1.0 2023-12-21
02:42:15
38.1613 15.1422 10 2023-12-21
02:48:32
Sala Sismica INGV-Roma 124169321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-21 02:42:15 ± 0.06
Latitude 38.1613 ± 0.0036
Longitude 15.1422 ± 0.0057
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 124169321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 424
Semi-minor axis of confidence ellipse (meter) 343
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
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 14
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27519
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 124169321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-21 02:48:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-12-21T02:43:17.10 3.0 undecidable manual Pn -7.38 0
IV.POFI.HHZ. 2023-12-21T02:42:57.48 3.0 undecidable manual Pg 0.47 0
IV.NOCI.HHZ. 2023-12-21T02:42:48.53 3.0 negative manual Pg 0.51 0
IV.MUCR.HHZ. 2023-12-21T02:42:24.78 0.6 undecidable manual S 241 26.8509 50 -0.06 66
IV.AIO.HHZ. 2023-12-21T02:42:23.43 0.6 undecidable manual S 159 22.5552 114 -0.17 65
IV.LIBRI.HHZ. 2023-12-21T02:42:22.78 0.6 undecidable manual S 245 20.5683 116 -0.18 65
IV.IVUG.HHE. 2023-12-21T02:42:21.07 0.6 undecidable manual P 332 29.3484 50 -0.01 67
IV.IVGP.HHE. 2023-12-21T02:42:21.26 1.0 undecidable manual P 329 30.5472 50 0 33
IV.AIO.HHZ. 2023-12-21T02:42:20.19 0.6 negative manual P 159 22.5552 114 0.22 65
IV.MILZ.HHZ. 2023-12-21T02:42:20.92 0.6 undecidable manual S 33 14.4744 125 -0.22 65
IV.MUCR.HHZ. 2023-12-21T02:42:20.60 0.6 undecidable manual P 241 26.8509 50 -0.09 66
IV.MPNC.HHE. 2023-12-21T02:42:19.21 0.6 undecidable manual P 95 18.4704 119 -0.03 68
IV.LIBRI.HHZ. 2023-12-21T02:42:19.82 0.3 positive manual P 245 20.5683 116 0.22 97
IV.MILZ.HHZ. 2023-12-21T02:42:18.69 0.3 undecidable manual P 33 14.4744 125 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:1.0 0.00006125 0.42 AML other m 2023-12-21T02:42:24.28
IV.AIO.HHE. ML:0.7 0.000035467385 1.6208 AML other m 2023-12-21T02:42:43.90
IV.LIBRI.HNE. ML:1.1 0.00009496613 0.2208 AML other m 2023-12-21T02:42:23.87
IV.LIBRI.HNN. ML:1.3 0.0001445 0.2 AML other m 2023-12-21T02:42:24.88
IV.MILZ.HHE. ML:1.1 0.000122831745 0.4 AML other m 2023-12-21T02:42:22.05
IV.MILZ.HHN. ML:0.9 0.00008693105500000001 0.9216 AML other m 2023-12-21T02:42:35.46
IV.LIBRI.HHE. ML:0.8 0.00005245177 0.36 AML other m 2023-12-21T02:42:23.11
IV.LIBRI.HHN. ML:0.8 0.00004505722 0.3808 AML other m 2023-12-21T02:42:23.85
IV.MUCR.HHE. ML:1.0 0.00005314717 2.7392 AML other m 2023-12-21T02:42:44.52
IV.MUCR.HHN. ML:0.9 0.000045760990000000004 0.9584 AML other m 2023-12-21T02:42:37.63
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