Earthquake with magnitude of ML 2.3 on date 11-04-2023 and time 11:36:51 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 11-04-2023 11:36:51 (UTC)
  • 11-04-2023 13:36:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4070, 15.4530 at 128 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 19 8584 8584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Messina (238439 inhabitants)
37 Km NW of Reggio di Calabria (183035 inhabitants)
92 Km N of Acireale (52622 inhabitants)
98 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 2.3 2023-04-11
11:36:51
38.4073 15.4533 128 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117923891
Reviewed
Rev100
ML 2.4 2023-04-11
11:36:49
38.3633 15.5212 140 2023-04-11
11:49:22
Sala Sismica INGV-Roma 116276471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-11 11:36:51 ± 0.22
Latitude 38.4073 ± 0.0117
Longitude 15.4533 ± 0.0172
Depth (km) 128 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117923891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1408
Semi-minor axis of confidence ellipse (meter) 1146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.14929
Epicentral distance of station farthest from the epicenter (degree) 1.62418
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117923891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-22 13:27:53

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 116276471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-11 11:49:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XE.T0702.HHN. 2023-04-11T11:37:38.02 0.6 undecidable manual S 20 155.5221 125 -0.37 37
IV.GRIS.EHZ. 2023-04-11T11:37:38.02 0.6 undecidable manual S 13 151.8369 126 0.27 38
IV.CAR1.HHZ. 2023-04-11T11:37:31.03 0.6 undecidable manual S 35 114.4965 135 -0.57 38
IV.GIZZ.HHN. 2023-04-11T11:37:28.04 0.6 undecidable manual S 46 91.1421 142 -0.2 44
IV.PLAC.HHZ. 2023-04-11T11:37:27.62 0.6 undecidable manual S 87 85.7475 143 0.09 46
IV.MPAZ.HNE. 2023-04-11T11:37:26.23 0.6 undecidable manual S 136 69.7746 149 0.62 41
IV.AIO.HHZ. 2023-04-11T11:37:25.23 0.6 undecidable manual S 202 52.0035 156 1.39 30
IY.CNDF.HHN.00 2023-04-11T11:37:24.92 0.6 undecidable manual S 142 56.9985 154 0.63 42
IV.SOI.EHZ. 2023-04-11T11:37:24.87 0.6 undecidable manual S 125 64.1913 151 -0.13 47
IV.FERC.HHZ.00 2023-04-11T11:37:24.90 0.6 undecidable manual S 85 58.8966 153 0.43 45
TV.GMB1.HHZ. 2023-04-11T11:37:23.75 0.6 undecidable manual S 129 41.0256 161 0.78 41
IV.MRCB.HHZ. 2023-04-11T11:37:22.53 0.6 undecidable manual S 141 34.8429 163 -0.02 51
IV.SALB.HHZ. 2023-04-11T11:37:22.12 0.1 undecidable manual P 25 180.2862 121 1.1 49
IV.MSRU.HHZ. 2023-04-11T11:37:21.08 0.6 undecidable manual S 163 16.5723 172 -0.64 45
IV.SICLA.EHZ. 2023-04-11T11:37:21.90 0.3 undecidable manual S 126 28.2495 166 -0.29 73
XE.MORMA.HHE. 2023-04-11T11:37:19.82 0.3 undecidable manual P 15 168.3093 123 0.06 55
IV.GRIS.EHZ. 2023-04-11T11:37:18.18 0.3 undecidable manual P 13 151.8369 126 0.1 59
XE.T0702.HHN. 2023-04-11T11:37:18.34 0.1 undecidable manual P 20 155.5221 125 -0.1 78
IV.CELI.HHZ. 2023-04-11T11:37:17.40 0.3 undecidable manual P 39 143.1456 128 0.19 60
IV.CET2.HHZ. 2023-04-11T11:37:16.12 0.3 undecidable manual P 19 131.6682 130 0.01 63
IV.SERS.HHZ. 2023-04-11T11:37:16.08 0.3 undecidable manual P 56 127.6722 131 0.35 59
IV.SELL.HHZ. 2023-04-11T11:37:15.46 0.3 undecidable manual P 58 120.0909 133 0.43 59
IV.CAR1.HHZ. 2023-04-11T11:37:14.34 0.3 undecidable manual P 35 114.4965 135 -0.19 63
IV.GIZZ.HHN. 2023-04-11T11:37:12.39 0.3 undecidable manual P 46 91.1421 142 -0.19 66
IV.PLAC.HHZ. 2023-04-11T11:37:12.20 0.1 positive manual P 87 85.7475 143 0.02 92
IV.MUCR.HHE. 2023-04-11T11:37:11.01 0.3 undecidable manual P 232 64.6908 151 0.26 69
IV.IFIL.HHN. 2023-04-11T11:37:11.82 0.3 undecidable manual P 283 78.1662 146 0.19 68
IV.FERC.HHZ.00 2023-04-11T11:37:10.30 0.3 undecidable manual P 85 58.8966 153 -0.11 72
IV.LIBRI.HHN. 2023-04-11T11:37:10.78 0.3 undecidable manual P 232 58.0974 153 0.41 67
IV.AIO.HHZ. 2023-04-11T11:37:10.37 0.3 undecidable manual P 202 52.0035 156 0.32 69
IV.MPAZ.HNE. 2023-04-11T11:37:10.83 0.1 undecidable manual P 136 69.7746 149 -0.24 91
IY.OPPI.HHE. 2023-04-11T11:37:10.00 0.3 undecidable manual P 108 50.8158 156 0.01 74
IT.LAZR.HNZ. 2023-04-11T11:37:10.01 0.3 undecidable manual P 159 51.1155 156 0.01 74
IY.CNDF.HHN.00 2023-04-11T11:37:10.17 0.3 undecidable manual P 142 56.9985 154 -0.14 72
IV.SOI.EHZ. 2023-04-11T11:37:10.52 0.1 positive manual P 125 64.1913 151 -0.2 93
IY.SPDC.HHN. 2023-04-11T11:37:10.51 0.3 undecidable manual P 77 60.3951 153 0.01 73
TV.GMB1.HHZ. 2023-04-11T11:37:09.49 0.1 undecidable manual P 129 41.0256 161 -0.05 100
IV.IVUG.HHZ. 2023-04-11T11:37:09.46 0.3 undecidable manual P 268 40.626 161 -0.06 75
IV.IVPL.HHZ. 2023-04-11T11:37:09.46 0.1 undecidable manual P 265 41.3253 161 -0.09 99
IV.MRCB.HHZ. 2023-04-11T11:37:09.08 0.1 undecidable manual P 141 34.8429 163 -0.22 98
3D.OEM9.HNE. 2023-04-11T11:37:09.54 0.3 undecidable manual P 267 40.2264 161 0.03 76
IV.SICLA.EHZ. 2023-04-11T11:37:08.54 0.1 undecidable manual P 126 28.2495 166 -0.55 91
IV.MSRU.HHZ. 2023-04-11T11:37:08.29 0.1 positive manual P 163 16.5723 172 -0.53 94
IV.MPNC.HHZ. 2023-04-11T11:37:08.60 0.3 undecidable manual P 197 30.2475 166 -0.55 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.GMB1.HHE. ML:1.9 0.0000447 0.44 AML other m 2023-04-11T11:37:10.71
IV.SOI.EHN. ML:2.2 0.00010095 0.42 AML other m 2023-04-11T11:37:14.65
IV.MRCB.HHN. ML:2.4 0.0001757 1.5 AML other m 2023-04-11T11:37:24.95
TV.GMB1.HHN. ML:2.0 0.0000694 1.48 AML other m 2023-04-11T11:37:25.18
IV.MRCB.HHE. ML:2.4 0.0001565 0.66 AML other m 2023-04-11T11:37:25.36
IV.SOI.EHE. ML:2.3 0.000108 0.56 AML other m 2023-04-11T11:37:25.69
IV.AIO.HHE. ML:2.2 0.00009565 1.52 AML other m 2023-04-11T11:37:26.06
IV.AIO.HHN. ML:2.2 0.0000963 0.82 AML other m 2023-04-11T11:37:26.04
IV.PLAC.HHN. ML:2.7 0.00022849999999999997 0.28 AML other m 2023-04-11T11:37:28.62
IV.PLAC.HHE. ML:2.5 0.0001665 1.36 AML other m 2023-04-11T11:37:29.87
IV.CAR1.HHN. ML:2.4 0.00009104999999999999 1.3 AML other m 2023-04-11T11:37:32.93
IV.CAR1.HHE. ML:2.5 0.000131 0.78 AML other m 2023-04-11T11:37:34.34
IV.SERS.HHE. ML:2.0 0.0000387 1.58 AML other m 2023-04-11T11:37:35.07
IV.SERS.HHN. ML:2.1 0.0000427 0.78 AML other m 2023-04-11T11:37:35.88
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