Earthquake with magnitude of ML 2.0 on date 21-04-2023 and time 20:38:11 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.0 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 21-04-2023 20:38:11 (UTC)
  • 21-04-2023 22:38:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3740, 15.3980 at 118 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villafranca Tirrena ME 16 8584 8584
Spadafora ME 17 5021 13605
Venetico ME 17 3911 17516

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Messina (238439 inhabitants)
36 Km NW of Reggio di Calabria (183035 inhabitants)
87 Km N of Acireale (52622 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 2.0 2023-04-21
20:38:11
38.3743 15.3985 118 2024-03-01
17:18:11
Bollettino Sismico Italiano INGV 118207821
Reviewed
Rev100
ML 2.0 2023-04-21
20:38:11
38.369 15.3935 121 2023-04-21
20:47:09
Sala Sismica INGV-Roma 116582981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 20:38:11 ± 0.16
Latitude 38.3743 ± 0.0126
Longitude 15.3985 ± 0.0115
Depth (km) 118 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118207821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1348
Semi-minor axis of confidence ellipse (meter) 935
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23207
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 118207821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-08 10:02:33

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 116582981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 20:47:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2023-04-21T20:39:34.20 3.0 undecidable manual Sg 14.85 0
IV.EPMN.HHZ. 2023-04-21T20:38:43.65 0.3 undecidable manual S 198 64.3911 149 0.1 70
IY.CNDF.HHN.00 2023-04-21T20:38:43.42 0.6 undecidable manual S 136 57.3981 152 0.62 42
IV.LIBRI.HHN. 2023-04-21T20:38:42.66 0.6 undecidable manual S 232 52.1034 154 0.37 45
IV.IVUG.HHZ. 2023-04-21T20:38:41.26 0.3 undecidable manual S 274 35.9418 162 0.29 71
IV.IVPL.HHZ. 2023-04-21T20:38:41.28 0.3 undecidable manual S 270 36.4413 161 0.28 71
3D.OEM9.HNE. 2023-04-21T20:38:41.12 0.6 undecidable manual S 273 35.5422 162 0.18 48
IV.MRCB.HHZ. 2023-04-21T20:38:41.04 0.3 undecidable manual S 132 35.4423 162 0.11 74
IV.SICLA.EHN. 2023-04-21T20:38:40.27 0.3 undecidable manual S 115 30.4473 164 -0.34 70
IV.MPNC.HHN. 2023-04-21T20:38:40.29 0.6 undecidable manual S 189 25.5522 167 -0.07 50
IV.MSRU.HHZ. 2023-04-21T20:38:39.59 0.3 undecidable manual S 142 15.5733 172 -0.36 72
IV.MILZ.HHZ. 2023-04-21T20:38:39.89 0.3 undecidable manual S 232 18.4704 170 -0.16 75
IV.SERS.HHZ. 2023-04-21T20:38:36.29 0.1 undecidable manual P 56 133.6662 127 0.45 76
IV.CET2.HHZ. 2023-04-21T20:38:36.41 0.3 undecidable manual P 20 136.7631 127 0.26 59
IV.CAR1.HHZ. 2023-04-21T20:38:34.27 0.1 undecidable manual P 36 120.1908 131 -0.26 80
IV.PLAC.HHZ. 2023-04-21T20:38:32.11 0.1 undecidable manual P 84 90.7425 139 0.18 88
IY.SPDC.HHE. 2023-04-21T20:38:30.31 0.1 undecidable manual P 75 65.8896 148 0.22 91
IV.SOI.EHZ. 2023-04-21T20:38:30.01 0.1 positive manual P 120 66.1893 148 -0.11 93
IV.MPAZ.HNE. 2023-04-21T20:38:30.36 0.1 undecidable manual P 131 70.6737 146 -0.06 93
IV.AIO.HHZ. 2023-04-21T20:38:29.35 0.1 undecidable manual P 198 47.0196 156 0.35 91
IT.LAZR.HNZ. 2023-04-21T20:38:29.24 0.1 positive manual P 152 49.8168 155 0.1 96
IY.CNDF.HHN.00 2023-04-21T20:38:29.54 0.1 positive manual P 136 57.3981 152 -0.03 96
IV.EPMN.HHZ. 2023-04-21T20:38:29.94 0.1 undecidable manual P 198 64.3911 149 -0.06 94
IT.ARMO.HNZ. 2023-04-21T20:38:29.12 0.3 undecidable manual P 140 42.9237 158 0.31 70
IV.LIBRI.HHN. 2023-04-21T20:38:29.19 0.6 undecidable manual P 232 52.1034 154 -0.08 48
IV.FERC.HHE.00 2023-04-21T20:38:29.92 0.1 undecidable manual P 82 63.9915 149 -0.05 94
IY.OPPI.HHE. 2023-04-21T20:38:29.48 0.1 undecidable manual P 102 54.501 153 0.08 96
IT.SAAM.HNN. 2023-04-21T20:38:28.40 0.3 undecidable manual P 125 38.4282 160 -0.21 72
IV.MRCB.HHZ. 2023-04-21T20:38:28.43 0.1 undecidable manual P 132 35.4423 162 -0.06 99
IV.IVUG.HHZ. 2023-04-21T20:38:28.49 0.1 undecidable manual P 274 35.9418 162 -0.01 100
1J.FX12.HHZ.00 2023-04-21T20:38:28.99 0.1 undecidable manual P 139 42.1245 159 0.23 95
IV.IVPL.HHZ. 2023-04-21T20:38:28.50 0.1 positive manual P 270 36.4413 161 -0.02 100
3D.OEM9.HNE. 2023-04-21T20:38:28.42 0.1 undecidable manual P 273 35.5422 162 -0.07 99
TV.GMB1.HHZ. 2023-04-21T20:38:28.85 0.1 undecidable manual P 121 42.8238 158 0.05 98
IV.MPNC.HHN. 2023-04-21T20:38:27.88 0.3 undecidable manual P 189 25.5522 167 -0.27 73
IV.SICLA.EHN. 2023-04-21T20:38:27.94 0.1 positive manual P 115 30.4473 164 -0.37 94
IV.MSRU.HHZ. 2023-04-21T20:38:27.47 0.1 positive manual P 142 15.5733 172 -0.45 94
IV.MILZ.HHZ. 2023-04-21T20:38:27.59 0.1 undecidable manual P 232 18.4704 170 -0.38 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IVPL.HHE. ML:2.1 0.00008665 1.18 AML other m 2023-04-21T20:38:29.66
TV.GMB1.HHE. ML:1.6 0.000027950000000000002 0.5 AML other m 2023-04-21T20:38:29.73
IV.IVPL.HHN. ML:2.2 0.0000996 0.74 AML other m 2023-04-21T20:38:30.06
TV.GMB1.HHN. ML:1.6 0.000026099999999999997 0.52 AML other m 2023-04-21T20:38:30.70
IV.MILZ.HHN. ML:1.8 0.000051819845000000005 0.2176 AML other m 2023-04-21T20:38:40.45
IV.MILZ.HHE. ML:2.0 0.00008625 0.24 AML other m 2023-04-21T20:38:40.60
IV.MSRU.HHE. ML:2.0 0.000086216425 0.384 AML other m 2023-04-21T20:38:40.74
IV.MSRU.HHN. ML:2.0 0.00007466538 0.2432 AML other m 2023-04-21T20:38:40.03
IV.IVUG.HHN. ML:1.8 0.000052054925000000004 0.192 AML other m 2023-04-21T20:38:42.82
IV.IVUG.HHE. ML:1.9 0.000053409085 0.2816 AML other m 2023-04-21T20:38:42.55
IV.AIO.HHE. ML:2.0 0.00006884999999999999 0.48 AML other m 2023-04-21T20:38:44.74
IV.AIO.HHN. ML:2.0 0.00006429999999999999 0.22 AML other m 2023-04-21T20:38:44.76
IV.PLAC.HHN. ML:2.2 0.0000767 0.6 AML other m 2023-04-21T20:38:47.63
IV.PLAC.HHE. ML:2.2 0.00009005 0.7 AML other m 2023-04-21T20:38:48.04
IV.CET2.HHN. ML:2.2 0.0000579 1.18 AML other m 2023-04-21T20:38:56.21
IV.CET2.HHE. ML:2.0 0.00003365 0.24 AML other m 2023-04-21T20:38:56.27
IV.MRCB.HHN. ML:1.8 0.000051206035 0.512 AML other m 2023-04-21T20:38:42.58
IV.MRCB.HHE. ML:1.8 0.00004805935999999999 0.4608 AML other m 2023-04-21T20:38:44.51
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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