Earthquake with magnitude of ML 2.1 on date 23-07-2023 and time 22:50:47 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.1 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 23-07-2023 20:50:47 (UTC)
  • 23-07-2023 22:50:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2000, 14.8260 at 128 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
Brolo ME 5 5783 5783
Piraino ME 5 3962 9745
Gioiosa Marea ME 7 7074 16819
Capo d'Orlando ME 8 13254 30073
Naso ME 9 3813 33886
Ficarra ME 10 1469 35355
Sant'Angelo di Brolo ME 11 3090 38445
Castell'Umberto ME 13 3128 41573
Montagnareale ME 13 1615 43188
Sinagra ME 13 2705 45893
Patti ME 14 13431 59324
Mirto ME 14 974 60298
Capri Leone ME 15 4515 64813
San Salvatore di Fitalia ME 15 1319 66132
Frazzanò ME 16 711 66843
Librizzi ME 16 1660 68503
Raccuja ME 18 1041 69544
Torrenova ME 18 4386 73930
Ucria ME 18 1058 74988
San Marco d'Alunzio ME 18 1996 76984
Tortorici ME 19 6435 83419
Galati Mamertino ME 19 2627 86046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km W of Messina (238439 inhabitants)
72 Km NW of Acireale (52622 inhabitants)
72 Km W of Reggio di Calabria (183035 inhabitants)
81 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 2.1 2023-07-23
20:50:47
38.2003 14.8258 128 2023-07-23
21:05:34
Sala Sismica INGV-Roma 119517341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-23 20:50:47 ± 0.36
Latitude 38.2003 ± 0.0189
Longitude 14.8258 ± 0.0183
Depth (km) 128 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119517341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2284
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 2280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.55403
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 119517341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-23 21:05:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2023-07-23T20:52:30.26 3.0 undecidable manual Pg 19.110001 0
IV.MML1.EHZ. 2023-07-23T20:52:28.79 3.0 undecidable manual Sn -7.27 0
IV.FDMO.HHZ. 2023-07-23T20:52:28.14 3.0 undecidable manual Sn -5.34 0
OX.MARN.HHZ. 2023-07-23T20:52:21.57 3.0 undecidable manual Pn -1.62 0
IV.FOSV.EHZ. 2023-07-23T20:51:47.45 3.0 undecidable manual Pn -0.14 0
OT.CGL1.HHZ. 2023-07-23T20:51:46.88 3.0 undecidable manual Sn 2.83 0
IV.LPDG.HHZ. 2023-07-23T20:51:40.80 3.0 positive manual Pn 0.21 0
IV.MMGO.HHZ. 2023-07-23T20:51:37.93 0.6 undecidable manual S 250 172.494 123 0.39 34
IV.PLAC.HHZ. 2023-07-23T20:51:32.45 0.6 undecidable manual S 78 143.0457 128 0.1 40
IV.HAVL.HHZ. 2023-07-23T20:51:31.81 1.0 undecidable manual S 169 140.0487 129 -0.05 20
IV.RAFF.HHZ. 2023-07-23T20:51:27.96 1.0 undecidable manual S 201 115.7952 134 0.01 22
IV.AIO.HHE. 2023-07-23T20:51:19.43 0.6 undecidable manual S 125 43.7229 160 0.1 49
IV.NOV.HNE. 2023-07-23T20:51:18.59 0.6 undecidable manual S 125 33.2445 164 -0.03 51
IV.MMGO.HHZ. 2023-07-23T20:51:16.62 1.0 negative manual P 250 172.494 123 0.33 17
IV.PLAC.HHZ. 2023-07-23T20:51:13.36 0.1 undecidable manual P 78 143.0457 128 0.06 81
IV.HAVL.HHZ. 2023-07-23T20:51:12.54 0.6 negative manual P 169 140.0487 129 -0.47 37
IV.RAFF.HHZ. 2023-07-23T20:51:10.86 0.6 undecidable manual P 201 115.7952 134 0.11 43
IV.HVZN.HHZ. 2023-07-23T20:51:10.60 0.6 negative manual P 185 113.7972 135 0.03 44
IV.MPNC.HHE. 2023-07-23T20:51:06.82 1.0 undecidable manual P 97 46.3203 158 0.93 19
IV.NOV.HNE. 2023-07-23T20:51:05.77 0.1 undecidable manual P 125 33.2445 164 0.41 94
IV.AIO.HHE. 2023-07-23T20:51:05.76 0.1 undecidable manual P 125 43.7229 160 -0.02 100
IV.MUCR.HHN. 2023-07-23T20:51:04.33 0.6 undecidable manual P 166 17.9709 171 -0.64 45
IV.IVPL.HHN. 2023-07-23T20:51:04.64 0.1 undecidable manual P 34 23.6541 169 -0.45 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HHE. ML:2.0 0.000038849999999999996 0.42 AML other m 2023-07-23T20:51:11.50
IV.HVZN.HHN. ML:2.1 0.00005005 0.7 AML other m 2023-07-23T20:51:12.93
IV.CMDO.HHE. ML:2.2 0.000060200000000000006 0.84 AML other m 2023-07-23T20:51:15.84
IV.PLAC.HHE. ML:1.9 0.00002255 0.56 AML other m 2023-07-23T20:51:33.14
IV.PLAC.HHN. ML:1.8 0.0000181 0.42 AML other m 2023-07-23T20:51:33.44
IV.CMDO.HHN. ML:2.1 0.00005135 1.54 AML other m 2023-07-23T20:51:50.89
IV.ALJA.HHE. ML:2.8 0.00029549999999999997 0.06 AML other m 2023-07-23T20:51:54.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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