Earthquake with magnitude of ML 2.3 on date 17-04-2023 and time 06:20:54 (UTC) in region Tirreno Meridionale (MARE)

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

  • 17-04-2023 06:20:54 (UTC)
  • 17-04-2023 08:20:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4900, 15.4740 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Messina (238439 inhabitants)
45 Km NW of Reggio di Calabria (183035 inhabitants)
91 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 2023-04-17
06:20:54
38.4905 15.474 128 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117148041
Reviewed
Rev100
ML 2.4 2023-04-17
06:20:53
38.4602 15.5052 132 2023-04-17
07:15:38
Sala Sismica INGV-Roma 116448521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 06:20:54 ± 0.17
Latitude 38.4905 ± 0.0099
Longitude 15.4740 ± 0.0149
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 117148041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1324
Semi-minor axis of confidence ellipse (meter) 845
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.31751
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116448521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-17 07:15:38

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117148041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-08 14:10:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CROCE.HHZ. 2023-04-17T06:21:46.33 3.0 undecidable manual Sn 4.03 0
XE.T0702.HHN. 2023-04-17T06:21:39.88 0.6 undecidable manual S 21 146.2425 127 0 42
IV.GRIS.EHZ. 2023-04-17T06:21:38.76 0.6 undecidable manual S 13 142.4463 128 -0.47 38
IV.CELI.HHE. 2023-04-17T06:21:38.87 0.6 undecidable manual S 41 134.9649 130 0.89 32
IV.SERS.HHZ. 2023-04-17T06:21:36.28 0.6 undecidable manual S 60 121.2897 133 0.52 39
IV.CET2.HHZ. 2023-04-17T06:21:35.61 0.6 undecidable manual S 20 122.3886 133 -0.33 41
IV.SELL.HHZ. 2023-04-17T06:21:34.78 0.6 undecidable manual S 61 113.7972 135 0.17 43
IV.GATE.HHZ. 2023-04-17T06:21:32.56 3.0 positive manual Pn -9.99 0
IV.GRI.EHN. 2023-04-17T06:21:31.82 0.6 undecidable manual S 66 89.8434 142 0.65 40
IV.TDS.HHZ. 2023-04-17T06:21:30.60 3.0 undecidable manual Pg 7.54 0
IV.PLAC.HHZ. 2023-04-17T06:21:30.31 0.6 undecidable manual S 93 83.8494 144 -0.09 47
IV.MPAZ.HNE. 2023-04-17T06:21:29.20 0.6 undecidable manual S 142 75.5688 147 -0.18 46
IY.CNDF.HHZ.00 2023-04-17T06:21:28.65 0.6 undecidable manual S 148 63.492 151 0.6 43
IV.SOI.EHZ. 2023-04-17T06:21:28.75 0.6 undecidable manual S 132 68.4759 149 0.17 47
IV.AIO.HHZ. 2023-04-17T06:21:28.04 0.6 undecidable manual S 200 61.2942 152 0.22 48
TV.GMB1.HNZ. 2023-04-17T06:21:26.32 0.6 undecidable manual S 140 46.3203 158 -0.15 49
IV.FERC.HHZ. 2023-04-17T06:21:26.98 0.6 undecidable manual S 94 56.9985 154 -0.42 46
IV.SICLA.EHZ. 2023-04-17T06:21:25.03 0.6 undecidable manual S 141 33.3444 164 -0.55 46
IV.MSRU.HHZ. 2023-04-17T06:21:25.38 0.6 undecidable manual S 173 25.3524 168 0.22 50
XE.T0702.HHN. 2023-04-17T06:21:20.38 0.1 undecidable manual P 21 146.2425 127 -0.23 80
IV.GRIS.EHZ. 2023-04-17T06:21:20.20 0.1 undecidable manual P 13 142.4463 128 -0.04 83
IV.CELI.HHE. 2023-04-17T06:21:19.64 0.1 undecidable manual P 41 134.9649 130 0.13 83
IV.CROCE.HHZ. 2023-04-17T06:21:18.28 3.0 negative manual Pn -1.03 0
IV.SERS.HHZ. 2023-04-17T06:21:18.24 0.1 undecidable manual P 60 121.2897 133 0.01 88
IV.CET2.HHZ. 2023-04-17T06:21:18.46 0.6 negative manual P 20 122.3886 133 0.12 43
IV.SELL.HHZ. 2023-04-17T06:21:17.78 0.6 positive manual P 61 113.7972 135 0.21 43
IV.FX12.HHZ. 2023-04-17T06:21:15.36 3.0 undecidable manual Pg 0
IV.GRI.EHN. 2023-04-17T06:21:15.48 0.1 undecidable manual P 66 89.8434 142 -0.1 92
IV.AIO.HHZ. 2023-04-17T06:21:14.00 0.1 undecidable manual P 200 61.2942 152 0.35 92
IV.MUCR.HHZ. 2023-04-17T06:21:14.46 1.0 positive manual P 227 72.0723 148 0.14 24
IV.MPAZ.HNE. 2023-04-17T06:21:14.39 0.1 undecidable manual P 142 75.5688 147 -0.16 93
IV.PLAC.HHZ. 2023-04-17T06:21:14.98 0.1 undecidable manual P 93 83.8494 144 -0.16 92
IV.LIBRI.HNZ. 2023-04-17T06:21:14.06 0.1 undecidable manual P 227 65.49 151 0.16 95
3D.OEM9.HNZ. 2023-04-17T06:21:13.01 0.1 undecidable manual P 255 43.5231 160 0.26 97
IY.CNDF.HHZ.00 2023-04-17T06:21:13.66 0.1 undecidable manual P 148 63.492 151 -0.12 96
IV.FERC.HHZ. 2023-04-17T06:21:13.48 0.1 undecidable manual P 94 56.9985 154 0.07 98
IV.SOI.EHZ. 2023-04-17T06:21:13.83 0.6 positive manual P 132 68.4759 149 -0.26 46
TV.GMB1.HNZ. 2023-04-17T06:21:12.79 0.1 undecidable manual P 140 46.3203 158 -0.08 100
IV.SICLA.EHZ. 2023-04-17T06:21:11.92 0.1 undecidable manual P 141 33.3444 164 -0.43 95
IV.MSRU.HHZ. 2023-04-17T06:21:11.72 0.6 negative manual P 173 25.3524 168 -0.39 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHN. ML:2.2 0.00008945 0.22 AML other m 2023-04-17T06:21:29.85
IV.SOI.EHE. ML:2.2 0.00008840000000000001 1.64 AML other m 2023-04-17T06:21:30.05
IV.PLAC.HHN. ML:2.3 0.00008774999999999999 0.32 AML other m 2023-04-17T06:21:31.51
IV.PLAC.HHE. ML:2.3 0.00010300000000000001 1.26 AML other m 2023-04-17T06:21:31.91
IV.CET2.HHE. ML:2.5 0.000117 0.52 AML other m 2023-04-17T06:21:37.72
IV.CET2.HHN. ML:2.7 0.00020999999999999998 0.34 AML other m 2023-04-17T06:21:38.23
IV.SELL.HHE. ML:0.0 0.000022612225 0.4 AML other m 2023-04-17T06:21:38.56
IV.SERS.HHN. ML:2.0 0.00003255536000000001 0.4 AML other m 2023-04-17T06:21:38.92
IV.MSRU.HHE. ML:0.0 0.000123235175 0.56 AML other m 2023-04-17T06:21:26.04
IV.MSRU.HHN. ML:0.0 0.00013332457 0.5184 AML other m 2023-04-17T06:21:26.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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