Earthquake with magnitude of ML 2.2 on date 23-07-2023 and time 09:33:38 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-07-2023 09:33:38 (UTC)
  • 23-07-2023 11:33:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5570, 12.2860 at 14 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
63 Km NW of Trapani (68759 inhabitants)
85 Km N of Marsala (83194 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 2.2 2023-07-23
09:33:38
38.5573 12.2857 14 2023-07-23
09:53:39
Sala Sismica INGV-Roma 119498771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-23 09:33:38 ± 0.25
Latitude 38.5573 ± 0.0099
Longitude 12.2857 ± 0.0173
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119498771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1571
Semi-minor axis of confidence ellipse (meter) 1042
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.44436
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 119498771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-23 09:53:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2023-07-23T09:35:31.75 3.0 negative manual Pn 9.51 0
IV.MAGA.HHZ. 2023-07-23T09:35:26.31 3.0 undecidable manual Pn 2.97 0
AC.SRN.HHZ. 2023-07-23T09:35:26.39 3.0 undecidable manual Pg 15.83 0
IV.CAMP.HHZ. 2023-07-23T09:35:23.05 3.0 undecidable manual Sn -7.05 0
IV.PTRJ.HHZ. 2023-07-23T09:35:17.59 3.0 undecidable manual Sg 4.75 0
IV.SFI.EHZ. 2023-07-23T09:35:16.05 3.0 undecidable manual Pg 19.34 0
IV.VVLD.HHZ. 2023-07-23T09:35:12.10 3.0 undecidable manual Sn -3.76 0
IT.RMMM.HGZ. 2023-07-23T09:35:08.24 3.0 undecidable manual Sn -3.87 0
GU.CARD.HHZ. 2023-07-23T09:35:03.38 3.0 undecidable manual Pn 3.4 0
OT.OT05.EHZ. 2023-07-23T09:34:55.40 3.0 negative manual Pg 15.08 0
IV.CAFI.HHZ. 2023-07-23T09:34:54.92 3.0 undecidable manual Pn 6.12 0
IV.APRC.HHZ. 2023-07-23T09:34:54.77 3.0 negative manual Pg 13.86 0
OT.OT14.EHZ. 2023-07-23T09:34:53.78 3.0 undecidable manual Pg 8.94 0
IV.SGRT.HHZ. 2023-07-23T09:34:52.80 3.0 positive manual Pg 10.53 0
IV.CAMP.HHZ. 2023-07-23T09:34:51.29 3.0 undecidable manual Pg 11.41 0
MN.VSL.HHZ. 2023-07-23T09:34:47.59 1.0 undecidable manual S 293 271.3284 54 -0.69 17
IV.SMA1.EHZ. 2023-07-23T09:34:46.54 3.0 negative manual Pn 5.6 0
IV.MTMR.HNZ. 2023-07-23T09:34:28.08 3.0 undecidable manual Pn -0.62 0
IV.SALB.HHZ. 2023-07-23T09:34:27.31 3.0 undecidable manual Pn -5.7 0
IV.SIRI.HNZ. 2023-07-23T09:34:27.18 3.0 undecidable manual Pn -2.9 0
IT.RMMM.HGZ. 2023-07-23T09:34:27.34 3.0 undecidable manual Pn -2.43 0
MN.VSL.HHZ. 2023-07-23T09:34:19.16 1.0 negative manual P 293 271.3284 54 0.23 19
IV.RAFF.HHZ. 2023-07-23T09:34:14.78 3.0 undecidable manual Pn 0.28 0
IV.CORL.HHZ. 2023-07-23T09:34:12.57 0.6 undecidable manual S 129 115.2957 92 0.5 83
IV.ALJA.HHZ. 2023-07-23T09:34:04.94 0.6 negative manual P 125 156.3213 91 0.59 72
IV.MBFT.HHE. 2023-07-23T09:34:04.74 0.6 undecidable manual S 139 89.3439 92 -0.42 89
IV.USI.HHZ. 2023-07-23T09:34:02.46 0.6 undecidable manual S 78 79.1652 93 0.01 98
IV.CLTB.HHE. 2023-07-23T09:34:01.96 0.6 undecidable manual P 143 135.6642 92 0.8 71
IV.SCIAC.HHZ. 2023-07-23T09:34:00.59 1.0 negative manual P 148 135.7641 92 -0.58 38
IV.ERC.EHE. 2023-07-23T09:33:58.03 0.6 undecidable manual S 155 63.3921 94 -0.2 98
IV.LEVAN.EHE. 2023-07-23T09:33:58.30 0.6 undecidable manual S 175 62.9925 94 0.16 100
IV.MMGO.HHZ. 2023-07-23T09:33:58.09 1.0 positive manual P 149 116.1948 92 -0.08 45
IV.CORL.HHZ. 2023-07-23T09:33:57.38 1.0 undecidable manual P 129 115.2957 92 -0.64 39
IV.CAVT.HHZ. 2023-07-23T09:33:57.84 1.0 negative manual P 157 105.7164 92 1.28 30
IV.MARS.HHZ. 2023-07-23T09:33:55.28 0.6 undecidable manual P 165 92.4408 92 0.77 79
IV.MBFT.HHE. 2023-07-23T09:33:53.84 0.6 undecidable manual P 139 89.3439 92 -0.19 94
IV.USI.HHZ. 2023-07-23T09:33:52.32 0.6 undecidable manual P 78 79.1652 93 -0.15 97
IV.LEVAN.EHE. 2023-07-23T09:33:49.47 0.6 undecidable manual P 175 62.9925 94 -0.51 91
IV.ERC.EHE. 2023-07-23T09:33:49.08 0.6 undecidable manual P 155 63.3921 94 -0.95 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.4 0.0003414344 0.2176 AML other m 2023-07-23T09:34:05.23
IV.USI.HHN. ML:2.8 0.0008646256 0.2752 AML other m 2023-07-23T09:34:06.67
IV.MARS.HHN. ML:2.4 0.0002475 0.78 AML other m 2023-07-23T09:34:14.74
IV.MARS.HNN. ML:2.3 0.000235 0.8 AML other m 2023-07-23T09:34:14.75
IV.CORL.HHE. ML:2.3 0.0001701221 0.3392 AML other m 2023-07-23T09:34:14.45
IV.CORL.HNE. ML:2.3 0.00016589589999999998 0.3456 AML other m 2023-07-23T09:34:14.46
IV.CORL.HHN. ML:2.3 0.00015099999999999998 1.6 AML other m 2023-07-23T09:34:17.05
IV.CORL.HNN. ML:2.3 0.0001515 1.62 AML other m 2023-07-23T09:34:17.05
IV.MARS.HHE. ML:2.3 0.00020400000000000003 1.02 AML other m 2023-07-23T09:34:18.03
IV.MARS.HNE. ML:2.3 0.000203 1.02 AML other m 2023-07-23T09:34:18.03
IV.MMGO.HHE. ML:1.9 0.0000637 1.36 AML other m 2023-07-23T09:34:18.68
IV.RAFF.HHN. ML:1.8 0.000017059102 0.8192 AML other m 2023-07-23T09:34:55.84
IV.MMGO.HHN. ML:1.9 0.00006615 1.62 AML other m 2023-07-23T09:34:19.06
MN.VSL.HHE. ML:2.3 0.00003135 0.8 AML other m 2023-07-23T09:34:20.41
MN.VSL.HHN. ML:2.1 0.000017692804999999998 0.8768 AML other m 2023-07-23T09:34:34.90
IV.CAVT.HNE. ML:0.0 0.00013611285000000002 1.0176 AML other m 2023-07-23T09:34:23.85
IV.CAVT.HHE. ML:0.0 0.00023487585 1.0176 AML other m 2023-07-23T09:34:24.37
IV.SCIAC.HHE. ML:2.1 0.00007644999999999999 0.54 AML other m 2023-07-23T09:34:25.65
IV.SCIAC.HHN. ML:2.1 0.00007125000000000001 1.44 AML other m 2023-07-23T09:34:26.14
IV.ALJA.HHE. ML:2.1 0.00005595 0.38 AML other m 2023-07-23T09:34:29.37
IV.ALJA.HHN. ML:2.1 0.0000675 0.7 AML other m 2023-07-23T09:34:33.39
IV.CAVT.HHN. ML:0.0 0.0002043381 0.8768 AML other m 2023-07-23T09:34:35.29
IV.CAVT.HNN. ML:0.0 0.0001174753 0.9088 AML other m 2023-07-23T09:34:35.74
IV.RAFF.HHE. ML:2.0 0.00001956537 1.4208 AML other m 2023-07-23T09:34:56.32
IV.MMGO.HNE. ML:1.9 0.000067319165 0.3968 AML other m 2023-07-23T09:34:18.69
IV.MMGO.HNN. ML:2.0 0.000073289175 0.3776 AML other m 2023-07-23T09:34:20.06
IV.SCIAC.HNE. ML:2.1 0.00007968182 0.4672 AML other m 2023-07-23T09:34:25.61
IV.SCIAC.HNN. ML:2.2 0.000082593025 0.576 AML other m 2023-07-23T09:34:26.86
IV.RAFF.HNE. ML:2.3 0.00004409064 1.2096 AML other m 2023-07-23T09:34:48.91
IV.RAFF.HNN. ML:2.2 0.000029896320000000002 0.7296 AML other m 2023-07-23T09:35:12.71
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