Earthquake with magnitude of ML 2.0 on date 31-07-2023 and time 11:23:00 (UTC) in region 3 km W Mistretta (ME)

A magnitude ML 2.0 earthquake occured in region: 3 km W Mistretta (ME), on

  • 31-07-2023 11:23:00 (UTC)
  • 31-07-2023 13:23:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9220, 14.3310 at 24 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Mistretta ME 3 4791 4791
Castel di Lucio ME 4 1294 6085
Reitano ME 6 806 6891
Pettineo ME 6 1350 8241
Motta d'Affermo ME 7 739 8980
Tusa ME 11 2925 11905
Santo Stefano di Camastra ME 11 4694 16599
San Mauro Castelverde PA 12 1701 18300
Caronia ME 15 3364 21664
Capizzi ME 15 3176 24840
Geraci Siculo PA 17 1945 26785
Gangi PA 18 6811 33596
Sperlinga EN 18 805 34401
Pollina PA 18 2974 37375
Cerami EN 20 2006 39381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NE of Caltanissetta (63360 inhabitants)
74 Km E of Bagheria (55387 inhabitants)
81 Km W of Acireale (52622 inhabitants)
81 Km NW of Catania (314555 inhabitants)
88 Km E of Palermo (674435 inhabitants)
95 Km NE of Agrigento (59770 inhabitants)
95 Km N of Gela (75827 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 2.0 2023-07-31
11:23:00
37.9223 14.3307 24 2023-07-31
11:33:59
Sala Sismica INGV-Roma 119729541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-31 11:23:00 ± 0.2
Latitude 37.9223 ± 0.0108
Longitude 14.3307 ± 0.0080
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119729541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1166
Semi-minor axis of confidence ellipse (meter) 332
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96497
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations 16
Type of magnitude ML
Reference to an origin 119729541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-31 11:33:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2023-07-31T11:24:59.52 3.0 undecidable manual Sg 8.2 0
IV.SACR.HNZ. 2023-07-31T11:24:47.20 3.0 undecidable manual Sg 11.33 0
IV.CSNT.HHZ. 2023-07-31T11:24:42.09 3.0 positive manual Pg 14.2 0
IV.ACER.HHZ. 2023-07-31T11:24:30.29 3.0 undecidable manual Sn 2.88 0
IV.ASSB.HHZ. 2023-07-31T11:24:29.07 3.0 undecidable manual Pg 11.17 0
IV.PZUN.HNZ. 2023-07-31T11:24:18.85 3.0 undecidable manual Sn -4.38 0
IV.INTR.HHZ. 2023-07-31T11:24:17.31 3.0 undecidable manual Pg 15.39 0
IV.FDMO.HHZ. 2023-07-31T11:24:15.66 3.0 negative manual Pn -1.25 0
IV.MELA.HHZ. 2023-07-31T11:24:13.51 3.0 undecidable manual Pg 15.12 0
IV.FAGN.HHZ. 2023-07-31T11:24:13.98 3.0 positive manual Pg 8.28 0
IV.SIRI.HNZ. 2023-07-31T11:24:09.95 3.0 undecidable manual Sn -3.67 0
IV.RCAV.EHZ. 2023-07-31T11:24:08.32 3.0 undecidable manual Pg 7.02 0
IV.CAMP.HHZ. 2023-07-31T11:24:08.20 3.0 positive manual Pn -1.41 0
IV.VVLD.HHZ. 2023-07-31T11:24:08.68 3.0 undecidable manual Pg 8.42 0
IV.SGG.HHZ. 2023-07-31T11:23:59.53 3.0 positive manual Pg 6.29 0
IV.MCRV.HHZ. 2023-07-31T11:23:55.30 3.0 undecidable manual Pg 9.2 0
IV.SPS2.HHZ. 2023-07-31T11:23:39.66 3.0 negative manual Pg 4.89 0
IV.ACATE.HNZ. 2023-07-31T11:23:30.08 3.0 undecidable manual S -0.6 0
IV.MSRU.HHZ. 2023-07-31T11:23:24.02 3.0 undecidable manual S 0
IV.MSRU.HHZ. 2023-07-31T11:23:23.29 3.0 undecidable manual P 0
IV.SSY.HHZ. 2023-07-31T11:23:19.38 0.3 undecidable manual P 142 107.115 98 0.66 56
IV.LIBRI.HNN. 2023-07-31T11:23:19.15 0.6 undecidable manual S 71 55.3002 106 0.79 39
IV.MUCR.HHZ. 2023-07-31T11:23:16.70 0.3 undecidable manual S 74 49.3173 108 -0.16 71
IV.RESU.HHZ. 2023-07-31T11:23:14.06 3.0 undecidable manual S 0
IV.IVUG.HHZ. 2023-07-31T11:23:14.19 0.3 undecidable manual P 47 77.6667 101 -0.05 69
IV.IVPL.HHZ. 2023-07-31T11:23:14.26 3.0 negative manual Pg -0.05 0
IV.GALF.HHZ. 2023-07-31T11:23:12.37 0.3 undecidable manual S 139 31.2465 120 -0.07 74
IV.EPOZ.HHZ. 2023-07-31T11:23:12.19 3.0 undecidable manual P 0
IV.GIB.HHZ. 2023-07-31T11:23:11.68 0.6 undecidable manual S 286 27.6501 124 0.05 50
IV.MSFR.HHZ. 2023-07-31T11:23:11.05 0.6 undecidable manual S 61 25.9518 126 -0.2 49
IV.LIBRI.HNN. 2023-07-31T11:23:10.67 0.3 undecidable manual P 71 55.3002 106 -0.22 69
IV.PLLN.EHZ. 2023-07-31T11:23:10.31 0.3 undecidable manual S 295 18.1707 138 0.62 66
IV.CSLB.HHZ. 2023-07-31T11:23:10.76 0.3 undecidable manual S 274 23.9538 129 -0.06 76
IV.EPZF.HHE. 2023-07-31T11:23:10.15 0.1 undecidable manual P 103 47.3193 109 0.42 90
IV.RESU.HHZ. 2023-07-31T11:23:09.56 3.0 undecidable manual P 0
IV.MUCR.HHZ. 2023-07-31T11:23:09.79 0.3 undecidable manual P 74 49.3173 108 -0.23 70
IV.GIB.HHZ. 2023-07-31T11:23:06.91 0.1 undecidable manual P 286 27.6501 124 -0.09 100
IV.MSFR.HHZ. 2023-07-31T11:23:06.59 0.3 undecidable manual P 61 25.9518 126 -0.19 73
IV.GALF.HHZ. 2023-07-31T11:23:06.98 0.3 undecidable manual P 139 31.2465 120 -0.49 68
IV.CSLB.HHZ. 2023-07-31T11:23:06.08 0.3 undecidable manual P 274 23.9538 129 -0.45 70
IV.PLLN.EHZ. 2023-07-31T11:23:05.94 0.6 undecidable manual P 295 18.1707 138 0.06 51
IV.ESCV.HHZ. 2023-07-31T11:23:03.33 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHN. ML:2.0 0.000531 0.88 AML other m 2023-07-31T11:23:11.07
IV.PLLN.EHE. ML:2.0 0.000531 1.4 AML other m 2023-07-31T11:23:11.25
IV.CSLB.HHE. ML:1.2 0.00008215 0.34 AML other m 2023-07-31T11:23:11.79
IV.CSLB.HHN. ML:1.2 0.0000729 0.4 AML other m 2023-07-31T11:23:12.47
IV.GIB.HHE. ML:1.8 0.000251 0.46 AML other m 2023-07-31T11:23:13.24
IV.GALF.HHN. ML:2.3 0.0007444999999999999 0.34 AML other m 2023-07-31T11:23:13.42
IV.GALF.HHE. ML:1.9 0.000297 0.26 AML other m 2023-07-31T11:23:13.50
IV.GIB.HHN. ML:1.8 0.0002575 0.36 AML other m 2023-07-31T11:23:15.87
IV.MUCR.HHE. ML:1.7 0.0001078 0.28 AML other m 2023-07-31T11:23:20.05
IV.MUCR.HHN. ML:1.7 0.0001114 0.28 AML other m 2023-07-31T11:23:20.88
IV.SPS2.HHE. ML:1.8 0.00001685 0.88 AML other m 2023-07-31T11:23:52.23
IV.SPS2.HHN. ML:2.1 0.000023199999999999998 0.08 AML other m 2023-07-31T11:23:53.27
IV.SIRI.HNN. ML:3.6 0.000643 0.34 AML other m 2023-07-31T11:24:12.41
IV.SIRI.HNE. ML:3.6 0.0006225 0.54 AML other m 2023-07-31T11:24:12.41
IV.PZUN.HHN. ML:3.2 0.00016999999999999999 0.72 AML other m 2023-07-31T11:24:19.50
IV.PZUN.HHE. ML:3.2 0.0001429 1.1 AML other m 2023-07-31T11:24:22.29
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