Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-04-2023 and time 22:42:57 (Italy) in region Costa Siciliana nord orientale (Messina)

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

  • 17-04-2023 20:42:57 (UTC)
  • 17-04-2023 22:42:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2220, 15.1680 at 13 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
Milazzo ME 7 31646 31646
Merì ME 9 2338 33984
Terme Vigliatore ME 9 7395 41379
Barcellona Pozzo di Gotto ME 9 41583 82962
San Filippo del Mela ME 11 7115 90077
Rodì Milici ME 12 2056 92133
Pace del Mela ME 13 6239 98372
Furnari ME 13 3784 102156
Santa Lucia del Mela ME 14 4650 106806
Falcone ME 14 2808 109614
Castroreale ME 14 2504 112118
Oliveri ME 14 2181 114299
Gualtieri Sicaminò ME 15 1807 116106
Mazzarrà Sant'Andrea ME 15 1531 117637
Condrò ME 15 493 118130
Torregrotta ME 17 7431 125561
Venetico ME 17 3911 129472
San Pier Niceto ME 18 2837 132309
Valdina ME 18 1355 133664
Spadafora ME 18 5021 138685
Roccavaldina ME 19 1133 139818
Basicò ME 20 612 140430
Patti ME 20 13431 153861
Tripi ME 20 873 154734

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Messina (238439 inhabitants)
44 Km W of Reggio di Calabria (183035 inhabitants)
68 Km N of Acireale (52622 inhabitants)
80 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
Bulletin
Rev1000 		ML 2.1 2023-04-17
20:42:57		 38.2218 15.1678 13 2024-03-01
17:18:07		 Bollettino Sismico Italiano INGV 117219171
Reviewed
Rev100 		ML 2.1 2023-04-17
20:42:57		 38.2062 15.1578 12 2023-04-17
20:49:58		 Sala Sismica INGV-Roma 116468641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 20:42:57 ± 0.06
Latitude 38.2218 ± 0.0045
Longitude 15.1678 ± 0.0046
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117219171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 1.31301
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 117219171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-26 11:18:56

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 116468641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-17 20:49:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2023-04-17T20:43:19.76 0.6 undecidable manual P 38 145.743 91 -1.27 25
IY.CNDF.HHN. 2023-04-17T20:43:17.52 0.6 undecidable manual S 112 64.8906 92 0.6 41
IV.PLAC.HHE. 2023-04-17T20:43:16.11 0.3 undecidable manual P 77 113.3976 91 0.07 63
IV.HLNI.HHZ. 2023-04-17T20:43:14.39 0.6 undecidable manual P 195 100.3218 91 0.37 40
IV.MSFR.HHZ. 2023-04-17T20:43:14.64 0.6 undecidable manual S 248 54.4011 93 0.5 42
IV.PLLN.EHZ. 2023-04-17T20:43:13.62 0.3 undecidable manual P 254 92.9403 91 0.72 54
1J.FX12.HHZ.00 2023-04-17T20:43:13.50 0.6 undecidable manual S 107 50.1165 93 0.5 43
IV.CSLB.HHZ. 2023-04-17T20:43:13.84 0.6 undecidable manual P 252 101.9202 91 -0.43 40
IV.MRCB.HHZ. 2023-04-17T20:43:12.37 0.6 undecidable manual S 98 47.1195 93 0.18 47
IV.SICLA.EHZ. 2023-04-17T20:43:12.42 0.6 undecidable manual S 85 47.8188 93 0.06 48
IV.GALF.HHZ. 2023-04-17T20:43:11.55 0.6 undecidable manual P 223 77.367 92 1.07 32
IV.EPMN.HHZ. 2023-04-17T20:43:11.88 0.6 undecidable manual S 179 44.5221 93 0.38 44
IV.MPAZ.HNE. 2023-04-17T20:43:10.58 0.1 undecidable manual P 112 79.0653 92 -0.17 87
IV.SOI.EHZ. 2023-04-17T20:43:10.54 0.3 undecidable manual P 102 79.0653 92 -0.21 65
IV.MCPD.HHZ. 2023-04-17T20:43:09.04 0.6 undecidable manual S 254 39.7269 94 -1.18 33
IV.ECTS.HHZ. 2023-04-17T20:43:09.80 0.6 undecidable manual S 186 37.9287 94 0.06 48
IY.CNDF.HHN. 2023-04-17T20:43:08.33 0.1 undecidable manual P 112 64.8906 92 -0.23 88
IV.IFIL.HHZ. 2023-04-17T20:43:08.55 0.3 undecidable manual P 307 63.9915 92 0.12 68
TV.GMB1.HHZ. 2023-04-17T20:43:07.10 0.1 undecidable manual P 95 56.8986 92 -0.24 89
IV.MUCR.HHZ. 2023-04-17T20:43:07.50 0.6 undecidable manual S 232 32.4453 95 -0.77 41
IV.EMSG.HHZ. 2023-04-17T20:43:07.10 0.3 undecidable manual P 203 48.4182 93 1.08 50
1J.FX13.HHN. 2023-04-17T20:43:07.23 0.3 undecidable manual P 123 56.1993 92 -0.01 71
IV.MSRU.HHZ. 2023-04-17T20:43:07.80 0.6 undecidable manual S 81 30.0477 96 0.16 49
IV.IVUG.HHZ. 2023-04-17T20:43:06.10 0.6 undecidable manual S 321 24.9528 99 -0.2 48
IV.EFIU.HNZ. 2023-04-17T20:43:06.56 0.3 undecidable manual P 176 48.1185 93 0.58 63
IV.IVPL.HHZ. 2023-04-17T20:43:06.20 0.6 undecidable manual S 316 23.6541 100 0.25 48
IV.MSFR.HHZ. 2023-04-17T20:43:06.82 0.1 undecidable manual P 248 54.4011 93 -0.13 93
IT.LAZR.HNZ. 2023-04-17T20:43:06.38 0.3 undecidable manual P 122 51.2154 93 -0.08 70
IV.IVGP.HHZ. 2023-04-17T20:43:06.40 0.6 undecidable manual S 317 26.4513 98 -0.3 47
IT.ARMO.HNZ. 2023-04-17T20:43:06.34 0.3 undecidable manual P 109 50.2164 93 0.04 72
3D.OEM9.HNZ. 2023-04-17T20:43:06.20 0.3 undecidable manual S 320 24.0537 99 0.16 73
1J.FX12.HHZ.00 2023-04-17T20:43:06.25 0.3 undecidable manual P 107 50.1165 93 -0.05 71
IV.EPIT.HHZ. 2023-04-17T20:43:06.82 0.3 undecidable manual P 192 46.5201 93 1.08 50
IV.AIO.HHZ. 2023-04-17T20:43:06.09 0.3 undecidable manual S 168 28.3494 97 -1.11 52
IV.IVLT.HHZ. 2023-04-17T20:43:06.93 0.6 undecidable manual S 315 27.1506 97 0.05 50
IV.EMNR.HHZ. 2023-04-17T20:43:06.80 0.3 undecidable manual P 195 46.62 93 1.05 51
IV.IVCR.HHZ. 2023-04-17T20:43:06.70 0.6 undecidable manual S 319 27.5502 97 -0.27 47
IV.SICLA.EHZ. 2023-04-17T20:43:05.70 0.3 undecidable manual P 85 47.8188 93 -0.23 68
IV.LIBRI.HNZ. 2023-04-17T20:43:05.50 0.6 undecidable manual S 234 25.8519 98 -1.04 37
IV.EPMN.HHZ. 2023-04-17T20:43:05.68 0.1 undecidable manual P 179 44.5221 93 0.25 92
IV.MRCB.HHZ. 2023-04-17T20:43:05.61 0.1 undecidable manual P 98 47.1195 93 -0.22 91
IV.MPNC.HHZ. 2023-04-17T20:43:04.00 0.6 undecidable manual S 117 18.1707 107 -0.52 45
IV.MCPD.HHZ. 2023-04-17T20:43:04.32 0.1 undecidable manual P 254 39.7269 94 -0.37 91
IV.ECTS.HHZ. 2023-04-17T20:43:04.58 0.1 undecidable manual P 186 37.9287 94 0.17 94
IV.MUCR.HHZ. 2023-04-17T20:43:03.21 0.1 undecidable manual P 232 32.4453 95 -0.36 92
3D.OEM8.HHZ. 2023-04-17T20:43:03.98 0.1 undecidable manual P 322 35.0427 95 0.01 98
IV.MSRU.HHZ. 2023-04-17T20:43:03.38 0.1 undecidable manual P 81 30.0477 96 0.18 96
IV.IVLT.HHZ. 2023-04-17T20:43:02.82 0.1 undecidable manual P 315 27.1506 97 0.05 99
IV.IVGP.HHZ. 2023-04-17T20:43:02.59 0.1 undecidable manual P 317 26.4513 98 -0.06 98
3D.OEM9.HNZ. 2023-04-17T20:43:02.50 0.1 undecidable manual P 320 24.0537 99 0.22 96
IV.AIO.HHZ. 2023-04-17T20:43:02.57 0.1 positive manual P 168 28.3494 97 -0.38 92
IV.IVCR.HHZ. 2023-04-17T20:43:02.70 0.1 undecidable manual P 319 27.5502 97 -0.12 97
IV.MILZ.HHZ. 2023-04-17T20:43:02.20 0.6 undecidable manual S 45 7.7811 140 0.01 51
IV.LIBRI.HNZ. 2023-04-17T20:43:02.15 0.1 undecidable manual P 234 25.8519 98 -0.42 92
IV.IVUG.HHZ. 2023-04-17T20:43:02.43 0.1 undecidable manual P 321 24.9528 99 0 100
IV.IVPL.HHZ. 2023-04-17T20:43:02.41 0.1 undecidable manual P 316 23.6541 100 0.17 97
IV.MPNC.HHZ. 2023-04-17T20:43:01.33 0.1 undecidable manual P 117 18.1707 107 -0.08 99
IV.MILZ.HHZ. 2023-04-17T20:43:00.25 0.1 negative manual P 45 7.7811 140 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHE. ML:2.5 0.0034850000000000003 0.36 AML other m 2023-04-17T20:43:02.39
IV.MILZ.HHN. ML:2.5 0.00373 0.48 AML other m 2023-04-17T20:43:02.38
IV.AIO.HHE. ML:2.0 0.0005675 0.42 AML other m 2023-04-17T20:43:06.19
IV.AIO.HHN. ML:2.1 0.0006225 0.16 AML other m 2023-04-17T20:43:07.26
IV.IVUG.HHN. ML:2.2 0.0009274999999999999 0.76 AML other m 2023-04-17T20:43:07.50
IV.IVGP.HHE. ML:2.2 0.0007669999999999999 0.38 AML other m 2023-04-17T20:43:08.10
IV.IVPL.HHN. ML:2.2 0.0009425 0.82 AML other m 2023-04-17T20:43:08.78
IV.MUCR.HHE. ML:2.0 0.0004735 0.64 AML other m 2023-04-17T20:43:08.71
IV.MUCR.HHN. ML:2.4 0.001215 0.32 AML other m 2023-04-17T20:43:08.59
IV.IVGP.HHN. ML:2.2 0.0008810000000000001 1.2 AML other m 2023-04-17T20:43:08.63
IV.IVUG.HHE. ML:2.1 0.0007335 0.76 AML other m 2023-04-17T20:43:08.51
IV.ECTS.HHN. ML:2.0 0.00034750000000000004 0.2 AML other m 2023-04-17T20:43:10.30
IV.ECTS.HHE. ML:2.0 0.00035299999999999996 0.68 AML other m 2023-04-17T20:43:10.35
IV.IVPL.HNN. ML:2.2 0.0008900000000000001 0.5 AML other m 2023-04-17T20:43:10.65
IV.IVPL.HNE. ML:2.4 0.00138 0.38 AML other m 2023-04-17T20:43:10.85
IV.IVPL.HHE. ML:2.4 0.0014550000000000001 0.38 AML other m 2023-04-17T20:43:10.86
IV.MCPD.HHN. ML:1.4 0.00008645 0.56 AML other m 2023-04-17T20:43:11.79
IV.MCPD.HHE. ML:1.4 0.00009379999999999999 1.06 AML other m 2023-04-17T20:43:11.87
IV.MRCB.HHE. ML:1.9 0.00022549999999999998 0.94 AML other m 2023-04-17T20:43:13.42
IV.MRCB.HHN. ML:1.8 0.0001835 1.14 AML other m 2023-04-17T20:43:15.69
TV.GMB1.HHE. ML:1.3 0.000046899999999999995 0.72 AML other m 2023-04-17T20:43:15.99
TV.GMB1.HNE. ML:1.8 0.0001455 0.2 AML other m 2023-04-17T20:43:16.64
TV.GMB1.HHN. ML:1.6 0.00008444999999999999 0.42 AML other m 2023-04-17T20:43:16.76
TV.GMB1.HNN. ML:2.1 0.000272 0.42 AML other m 2023-04-17T20:43:16.76
IV.IFIL.HHE. ML:2.8 0.0011400000000000002 1.2 AML other m 2023-04-17T20:43:21.29
IV.IFIL.HHN. ML:2.4 0.000442 0.7 AML other m 2023-04-17T20:43:21.50
IV.GALF.HHE. ML:2.2 0.00023899999999999998 0.54 AML other m 2023-04-17T20:43:28.27
IV.GALF.HNN. ML:1.9 0.00012075 0.94 AML other m 2023-04-17T20:43:28.28
IV.GALF.HHN. ML:2.2 0.00020600000000000002 1.48 AML other m 2023-04-17T20:43:29.76
IV.GALF.HNE. ML:1.9 0.0001265 0.7 AML other m 2023-04-17T20:43:32.89
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
Waveforms Seismic signals in miniseed + resp format Download