Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-01-2023 and time 01:00:46 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.3 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 04-01-2023 01:00:46 (UTC)
  • 04-01-2023 02:00:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.2600, 15.7160 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Scilla RC 1 4964 4964
San Roberto RC 6 1750 6714
Fiumara RC 6 1018 7732
Campo Calabro RC 7 4536 12268
Bagnara Calabra RC 8 10255 22523
Villa San Giovanni RC 8 13784 36307
Calanna RC 9 934 37241
Laganadi RC 10 413 37654
Sant'Alessio in Aspromonte RC 10 343 37997
Santo Stefano in Aspromonte RC 12 1263 39260
Sant'Eufemia d'Aspromonte RC 12 4120 43380
Sinopoli RC 14 2089 45469
Melicuccà RC 15 930 46399
San Procopio RC 15 534 46933
Messina ME 16 238439 285372
Palmi RC 16 18930 304302
Seminara RC 16 2811 307113
Reggio di Calabria RC 18 183035 490148
Delianuova RC 18 3352 493500
Cosoleto RC 19 859 494359
Scido RC 19 931 495290
Cardeto RC 20 1641 496931

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Messina (238439 inhabitants)
18 Km NE of Reggio di Calabria (183035 inhabitants)
87 Km NE of Acireale (52622 inhabitants)
95 Km SW of Lamezia Terme (70714 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
Bulletin
Rev1000 		ML 1.3 2023-01-04
01:00:46		 38.26 15.7165 14 2024-03-01
17:17:58		 Bollettino Sismico Italiano INGV 115142891
Reviewed
Rev100 		ML 1.3 2023-01-04
01:00:46		 38.2593 15.7217 13 2023-01-04
02:35:43		 Sala Sismica INGV-Roma 113295171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-04 01:00:46 ± 0.06
Latitude 38.2600 ± 0.0036
Longitude 15.7165 ± 0.0034
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115142891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 108
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00360
Epicentral distance of station farthest from the epicenter (degree) 0.64391
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 115142891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-09 11:06:25

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 113295171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-04 02:35:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVGP.HHN. 2023-01-04T01:01:07.26 0.6 undecidable manual S 283 67.4769 93 0.14 45
3D.OEM9.HNE. 2023-01-04T01:01:06.12 0.6 undecidable manual S 283 64.6908 93 -0.27 43
IV.IVUG.HHZ. 2023-01-04T01:01:06.56 0.6 undecidable manual S 284 65.3901 93 0.01 46
IV.IVPL.HHZ. 2023-01-04T01:01:06.72 0.6 undecidable manual S 282 65.3901 93 0.16 45
IV.NOV.HHZ. 2023-01-04T01:01:04.23 0.6 undecidable manual S 243 56.7987 94 -0.04 46
IV.AIO.HHE. 2023-01-04T01:01:03.47 0.3 undecidable manual S 233 53.0025 94 0.21 68
IV.MPAZ.HHZ. 2023-01-04T01:01:00.63 0.6 undecidable manual S 143 42.4242 95 0.18 46
IV.MILZ.HHN. 2023-01-04T01:01:00.11 0.3 undecidable manual S 272 42.3243 95 -0.3 67
IV.ILOS.HNN. 2023-01-04T01:00:59.16 0.6 undecidable manual P 287 69.9744 93 0.32 43
IV.LIBRI.HHN. 2023-01-04T01:00:59.75 0.6 undecidable manual P 254 71.4729 93 0.68 39
IV.IVLT.HHN. 2023-01-04T01:00:59.02 0.1 undecidable manual P 283 68.5758 93 0.39 85
IV.IVPL.HHZ. 2023-01-04T01:00:58.24 0.6 undecidable manual P 282 65.3901 93 0.1 45
IV.IVGP.HHN. 2023-01-04T01:00:58.50 0.6 undecidable manual P 283 67.4769 93 0.04 46
3D.OEM9.HNE. 2023-01-04T01:00:58.09 0.1 undecidable manual P 283 64.6908 93 0.05 92
IY.CNDF.HHN. 2023-01-04T01:00:57.18 0.6 undecidable manual S 157 31.0467 99 -0.25 47
IV.MPNC.HHN. 2023-01-04T01:00:57.98 0.6 undecidable manual S 248 34.1436 97 -0.26 46
IV.IVUG.HHZ. 2023-01-04T01:00:57.99 0.1 undecidable manual P 284 65.3901 93 -0.14 89
IV.AIO.HHE. 2023-01-04T01:00:56.33 1.0 undecidable manual P 233 53.0025 94 0.1 23
IV.NOV.HHZ. 2023-01-04T01:00:56.85 0.6 undecidable manual P 243 56.7987 94 0.04 47
1J.FX11.HHZ. 2023-01-04T01:00:56.06 0.3 undecidable manual S 229 26.6511 101 -0.21 71
IY.OPPI.HHZ. 2023-01-04T01:00:55.79 0.3 undecidable manual S 88 25.5522 102 -0.2 72
IV.MPAZ.HHZ. 2023-01-04T01:00:54.72 0.1 undecidable manual P 143 42.4242 95 0.11 94
IV.FERC.HHZ.00 2023-01-04T01:00:54.64 1.0 undecidable manual P 59 41.7249 95 0.14 23
IV.MILZ.HHN. 2023-01-04T01:00:54.41 0.3 undecidable manual P 272 42.3243 95 -0.18 69
1J.FX12.HHZ.00 2023-01-04T01:00:54.28 0.6 undecidable manual S 180 18.87 110 0 50
IV.MSRU.HHZ. 2023-01-04T01:00:53.91 0.3 undecidable manual S 271 18.1707 112 -0.18 72
IV.SOI.EHZ. 2023-01-04T01:00:53.60 0.6 positive manual P 125 36.0417 97 -0.03 48
IV.MPNC.HHN. 2023-01-04T01:00:53.07 0.1 undecidable manual P 248 34.1436 97 -0.27 92
IV.MRCB.HHZ. 2023-01-04T01:00:52.40 0.3 undecidable manual S 186 10.9779 131 -0.05 76
1J.FX11.HHZ. 2023-01-04T01:00:52.49 0.3 undecidable manual P 229 26.6511 101 0.29 70
IY.CNDF.HHN. 2023-01-04T01:00:52.83 0.1 undecidable manual P 157 31.0467 99 -0.04 97
IV.SICLA.EHZ. 2023-01-04T01:00:51.07 0.6 undecidable manual S 203 0.3996 178 -0.14 51
IY.OPPI.HHZ. 2023-01-04T01:00:51.72 0.3 undecidable manual P 88 25.5522 102 -0.32 70
1J.FX12.HHZ.00 2023-01-04T01:00:51.18 0.6 undecidable manual P 180 18.87 110 0.13 49
IV.MRCB.HHZ. 2023-01-04T01:00:50.13 0.1 undecidable manual P 186 10.9779 131 0.14 98
IV.MSRU.HHZ. 2023-01-04T01:00:50.94 0.1 undecidable manual P 271 18.1707 112 0 100
IV.SICLA.EHZ. 2023-01-04T01:00:49.40 0.1 undecidable manual P 203 0.3996 178 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRCB.HHN. ML:1.2 0.00016849999999999998 0.12 AML other m 2023-01-04T01:00:52.49
IV.MRCB.HHE. ML:1.1 0.000126 0.14 AML other m 2023-01-04T01:00:52.56
IV.MSRU.HHN. ML:1.3 0.00013005 0.46 AML other m 2023-01-04T01:00:54.25
IV.MSRU.HHE. ML:1.2 0.000126 0.4 AML other m 2023-01-04T01:00:54.46
IV.IVPL.HHE. ML:1.4 0.0000459 0.52 AML other m 2023-01-04T01:01:08.38
IV.IVPL.HHN. ML:1.4 0.00004045 0.7 AML other m 2023-01-04T01:01:11.57
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