Earthquake with magnitude of ML 2.5 on date 23-05-2023 and time 21:46:38 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-05-2023 19:46:38 (UTC)
  • 23-05-2023 21:46:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6160, 12.9740 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
65 Km NW of Palermo (674435 inhabitants)
76 Km NW of Bagheria (55387 inhabitants)
78 Km NE of Trapani (68759 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
Reviewed
Rev100
ML 2.5 2023-05-23
19:46:38
38.6162 12.9737 16 2023-05-23
20:11:18
Sala Sismica INGV-Roma 117648281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-23 19:46:38 ± 0.23
Latitude 38.6162 ± 0.0099
Longitude 12.9737 ± 0.0184
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117648281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1338
Semi-minor axis of confidence ellipse (meter) 1042
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.59634
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 117648281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-23 20:11:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2023-05-23T19:48:34.40 3.0 positive manual Pg 20.700001 0
OX.PLRO.HHZ. 2023-05-23T19:48:30.18 3.0 undecidable manual Pn -0.95 0
GU.MAIM.HHZ. 2023-05-23T19:48:13.29 3.0 positive manual Pg 13.63 0
IV.GIUL.HHZ. 2023-05-23T19:48:00.65 3.0 undecidable manual Sn 2.2 0
IV.TDS.HHZ. 2023-05-23T19:47:54.05 3.0 undecidable manual Sn -0.75 0
IV.SPS2.HHZ. 2023-05-23T19:47:49.96 3.0 undecidable manual Sn -2.32 0
IV.MMO1.EHZ. 2023-05-23T19:47:47.53 3.0 positive manual Pn 6.4 0
OT.OT14.EHZ. 2023-05-23T19:47:45.17 3.0 positive manual Pg 8.65 0
IV.SSY.HHZ. 2023-05-23T19:47:41.60 0.3 undecidable manual S 131 244.866 54 0.02 34
IV.HMDC.HHZ. 2023-05-23T19:47:41.13 0.6 undecidable manual S 139 242.7792 54 0 23
IV.AGLI.HHZ. 2023-05-23T19:47:37.02 3.0 positive manual Pn 0.99 0
IV.HVZN.HHZ. 2023-05-23T19:47:37.64 0.3 undecidable manual S 136 220.6125 54 1.28 27
IV.HLNI.HHZ. 2023-05-23T19:47:35.44 0.6 undecidable manual S 130 217.5156 54 -0.25 26
IV.BULT.EHZ. 2023-05-23T19:47:32.85 3.0 undecidable manual Pn 0.4 0
IV.MIGL.HHZ. 2023-05-23T19:47:26.01 3.0 positive manual Pn -1.73 0
MN.VSL.HHZ. 2023-05-23T19:47:22.98 3.0 negative manual Pn -0.83 0
IV.MUCR.HHZ. 2023-05-23T19:47:19.48 3.0 undecidable manual S 177.1893 -7.51 0
IV.CAR1.HHZ. 2023-05-23T19:47:18.32 3.0 undecidable manual P 288.1893 -1.79 0
IV.SSY.HHZ. 2023-05-23T19:47:14.48 1.0 negative manual P 131 244.866 54 -0.25 11
IV.HMDC.HHZ. 2023-05-23T19:47:14.62 0.6 positive manual P 139 242.7792 54 0.15 23
IV.ALJA.HHZ. 2023-05-23T19:47:13.06 0.3 undecidable manual S 144 117.7932 92 1.09 45
IV.HVZN.HHZ. 2023-05-23T19:47:11.65 0.6 positive manual P 136 220.6125 54 -0.06 26
IV.HLNI.HHZ. 2023-05-23T19:47:11.18 1.0 negative manual P 130 217.5156 54 -0.14 13
IV.MMGO.HHZ. 2023-05-23T19:47:10.11 0.6 undecidable manual S 180 105.8163 93 1.33 27
IV.GIB.HHZ. 2023-05-23T19:47:10.03 3.0 undecidable manual S 127 114.996 93 -1.17 0
IV.IFIL.HHZ. 2023-05-23T19:47:10.22 3.0 undecidable manual S 138.9609 -7.4 0
IV.CPTP.HHZ. 2023-05-23T19:47:08.02 1.0 negative manual P 142 169.5969 54 2.66 3
IV.CRJA.HHZ. 2023-05-23T19:47:07.23 3.0 undecidable manual S 178 90.4428 93 2.57 0
IV.GALF.HHZ. 2023-05-23T19:47:05.98 0.1 undecidable manual P 125 171.3951 54 0.39 66
IV.MFNL.HHZ. 2023-05-23T19:47:05.12 0.6 undecidable manual S 183 91.6416 93 0.12 44
IV.MUCR.HHZ. 2023-05-23T19:47:04.78 3.0 negative manual P 177.1893 -1.52 0
IV.CORL.HHZ. 2023-05-23T19:47:03.23 0.3 undecidable manual S 160 85.0482 94 -0.02 67
IV.MTGR.HHZ. 2023-05-23T19:47:00.01 3.0 undecidable manual S 193 82.3509 94 -2.5 0
IV.SOLUN.HHZ. 2023-05-23T19:47:00.76 0.6 undecidable manual S 140 75.7686 94 -0.01 45
IV.ALJA.HHZ. 2023-05-23T19:46:58.09 1.0 positive manual P 144 117.7932 92 0.47 19
IV.MBFT.HHZ. 2023-05-23T19:46:57.79 3.0 undecidable manual S 181 74.37 94 -2.6 0
IV.IFIL.HHZ. 2023-05-23T19:46:57.21 3.0 undecidable manual P 138.9609 -3.68 0
IV.SCIAC.HHZ. 2023-05-23T19:46:57.65 0.1 undecidable manual P 175 122.4885 92 -0.7 69
IV.GIB.HHZ. 2023-05-23T19:46:56.64 1.0 undecidable manual P 127 114.996 93 -0.55 19
IV.MPG.HHZ. 2023-05-23T19:46:56.11 0.6 undecidable manual S 146 60.5949 95 -0.61 40
IV.MMGO.HHZ. 2023-05-23T19:46:56.00 1.0 negative manual P 180 105.8163 93 0.21 21
IV.MFNL.HHZ. 2023-05-23T19:46:54.24 0.6 positive manual P 183 91.6416 93 0.64 38
IV.CRJA.HHZ. 2023-05-23T19:46:53.27 0.1 undecidable manual P 178 90.4428 93 -0.14 87
IV.MTGR.HHZ. 2023-05-23T19:46:52.39 0.1 undecidable manual P 193 82.3509 94 0.22 87
IV.CORL.HHZ. 2023-05-23T19:46:52.40 1.0 negative manual P 160 85.0482 94 -0.19 22
IV.SOLUN.HHZ. 2023-05-23T19:46:50.41 0.1 positive manual P 140 75.7686 94 -0.76 74
IV.MBFT.HHZ. 2023-05-23T19:46:50.88 1.0 positive manual P 181 74.37 94 -0.06 23
IV.MPG.HHZ. 2023-05-23T19:46:47.72 0.1 undecidable manual P 146 60.5949 95 -1.11 65
IV.USI.HHZ. 2023-05-23T19:46:46.48 0.1 undecidable manual S 60 20.4684 115 0.21 96
IV.USI.HHZ. 2023-05-23T19:46:42.83 0.1 undecidable manual P 60 20.4684 115 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.7 0.0031950000000000004 0.3 AML other m 2023-05-23T19:46:47.68
IV.USI.HHN. ML:3.2 0.011100000000000002 0.4 AML other m 2023-05-23T19:46:48.39
IV.MPG.HHN. ML:2.7 0.000992 0.78 AML other m 2023-05-23T19:46:58.08
IV.MPG.HHE. ML:2.5 0.0006265000000000001 0.48 AML other m 2023-05-23T19:46:58.92
IV.MBFT.HHE. ML:2.5 0.00046849999999999995 0.38 AML other m 2023-05-23T19:47:01.21
IV.MBFT.HHN. ML:2.4 0.0003745 0.44 AML other m 2023-05-23T19:47:01.06
IV.SOLUN.HHN. ML:3.0 0.00134 1.48 AML other m 2023-05-23T19:47:02.05
IV.MTGR.HHN. ML:2.4 0.00028849999999999997 0.96 AML other m 2023-05-23T19:47:03.17
IV.MTGR.HHE. ML:2.2 0.000221 0.4 AML other m 2023-05-23T19:47:03.23
IV.SOLUN.HHE. ML:3.0 0.00136 0.46 AML other m 2023-05-23T19:47:04.19
IV.CORL.HHE. ML:3.0 0.0011519999999999998 0.8 AML other m 2023-05-23T19:47:08.37
IV.CORL.HNE. ML:3.0 0.0011595 0.8 AML other m 2023-05-23T19:47:08.38
IV.CORL.HHN. ML:2.8 0.000883 0.68 AML other m 2023-05-23T19:47:08.49
IV.CORL.HNN. ML:2.8 0.0008904999999999999 0.68 AML other m 2023-05-23T19:47:08.49
IV.MMGO.HHN. ML:2.2 0.00014850000000000003 0.38 AML other m 2023-05-23T19:47:10.55
IV.MMGO.HNN. ML:2.2 0.000154 0.36 AML other m 2023-05-23T19:47:10.55
IV.CRJA.HNN. ML:2.6 0.0004415 0.48 AML other m 2023-05-23T19:47:10.58
IV.CRJA.HHN. ML:2.6 0.000443 0.48 AML other m 2023-05-23T19:47:10.58
IV.MFNL.HHE. ML:2.3 0.00023349999999999998 0.5 AML other m 2023-05-23T19:47:11.52
IV.MMGO.HNE. ML:2.3 0.0001735 0.84 AML other m 2023-05-23T19:47:11.33
IV.MFNL.HHN. ML:2.1 0.0001565 0.42 AML other m 2023-05-23T19:47:12.36
IV.CRJA.HHE. ML:2.5 0.000345 0.58 AML other m 2023-05-23T19:47:12.36
IV.CRJA.HNE. ML:2.5 0.00035150000000000003 0.58 AML other m 2023-05-23T19:47:12.36
IV.MMGO.HHE. ML:2.2 0.000155 0.9 AML other m 2023-05-23T19:47:15.33
IV.GIB.HHN. ML:2.8 0.0005245 0.44 AML other m 2023-05-23T19:47:15.66
IV.GIB.HHE. ML:2.7 0.00039 0.86 AML other m 2023-05-23T19:47:15.42
IV.SCIAC.HHE. ML:2.3 0.000129 0.6 AML other m 2023-05-23T19:47:17.08
IV.SCIAC.HNE. ML:2.3 0.000146 0.6 AML other m 2023-05-23T19:47:17.08
IV.SCIAC.HHN. ML:2.2 0.0001245 1.44 AML other m 2023-05-23T19:47:17.11
IV.ALJA.HHE. ML:2.8 0.00047050000000000005 1.08 AML other m 2023-05-23T19:47:19.32
IV.ALJA.HHN. ML:2.8 0.0004955 0.44 AML other m 2023-05-23T19:47:22.49
IV.SCIAC.HNN. ML:2.3 0.00014050000000000003 0.74 AML other m 2023-05-23T19:47:26.48
IV.MUCR.HHN. ML:2.4 0.00009415 0.76 AML other m 2023-05-23T19:47:34.71
IV.HLNI.HHE. ML:2.7 0.0001245 0.74 AML other m 2023-05-23T19:47:36.45
IV.HLNI.HHN. ML:2.7 0.00011649999999999999 0.22 AML other m 2023-05-23T19:47:37.16
IV.MUCR.HHE. ML:2.3 0.0000731 1.2 AML other m 2023-05-23T19:47:37.37
IV.HMDC.HHN. ML:2.8 0.000136 0.34 AML other m 2023-05-23T19:47:42.76
IV.HMDC.HHE. ML:2.8 0.0001365 0.48 AML other m 2023-05-23T19:47:43.51
IV.CAR1.HHN. ML:2.2 0.00002205 0.68 AML other m 2023-05-23T19:47:48.99
IV.CAR1.HHE. ML:2.4 0.000030449999999999998 0.52 AML other m 2023-05-23T19:47:51.06
IV.GIUL.HHN. ML:2.0 0.000009875 1.52 AML other m 2023-05-23T19:48:00.13
IV.BULT.EHN. ML:2.4 0.000014085 1.48 AML other m 2023-05-23T19:48:15.82
IV.GIUL.HHE. ML:1.7 0.00000707 0.58 AML other m 2023-05-23T19:48:18.06
IV.BULT.EHE. ML:2.4 0.000015309999999999997 0.76 AML other m 2023-05-23T19:48:20.51
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