Earthquake with magnitude of ML 0.8 on date 04-06-2023 and time 03:22:45 (UTC) in region 2 km NW Petralia Sottana (PA)

A magnitude ML 0.8 earthquake occured in region: 2 km NW Petralia Sottana (PA), on

  • 04-06-2023 03:22:45 (UTC)
  • 04-06-2023 05:22:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8210, 14.0790 at 10 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
Petralia Sottana PA 2 2821 2821
Petralia Soprana PA 4 3360 6181
Castellana Sicula PA 5 3411 9592
Polizzi Generosa PA 7 3407 12999
Blufi PA 8 1029 14028
Geraci Siculo PA 8 1945 15973
Bompietro PA 8 1401 17374
Gangi PA 11 6811 24185
Castelbuono PA 13 8943 33128
San Mauro Castelverde PA 14 1701 34829
Alimena PA 15 2032 36861
Isnello PA 15 1589 38450
Scillato PA 16 613 39063
Resuttano CL 16 2038 41101
Caltavuturo PA 17 4017 45118
Collesano PA 17 4054 49172
Gratteri PA 19 963 50135
Sclafani Bagni PA 20 426 50561

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Caltanissetta (63360 inhabitants)
58 Km SE of Bagheria (55387 inhabitants)
71 Km E of Palermo (674435 inhabitants)
72 Km NE of Agrigento (59770 inhabitants)
85 Km N of Gela (75827 inhabitants)
96 Km W of Catania (314555 inhabitants)
98 Km W of Acireale (52622 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 0.8 2023-06-04
03:22:45
37.8213 14.0793 10 2023-06-04
03:30:28
Sala Sismica INGV-Roma 118072681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 03:22:45 ± 0.17
Latitude 37.8213 ± 0.0099
Longitude 14.0793 ± 0.0205
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118072681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1647
Semi-minor axis of confidence ellipse (meter) 1194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 1650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.26710
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 118072681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-04 03:30:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.HHZ. 2023-06-04T03:22:53.45 0.6 undecidable manual S 346 19.2696 117 0.32 47
IV.CSLB.HHZ. 2023-06-04T03:22:51.14 0.6 undecidable manual S 352 12.9759 127 -0.14 50
IV.ALJA.HHE. 2023-06-04T03:22:51.74 0.1 undecidable manual P 254 29.6481 50 -0.01 99
IV.PLLN.EHE. 2023-06-04T03:22:50.10 0.1 undecidable manual P 16 19.7691 116 0.06 100
IV.RESU.HHZ. 2023-06-04T03:22:50.18 1.0 negative manual P 186 19.4694 117 0.2 24
IV.GIB.HHZ. 2023-06-04T03:22:49.89 0.6 positive manual P 346 19.2696 117 -0.06 50
IV.CSLB.HHZ. 2023-06-04T03:22:48.67 0.3 positive manual P 352 12.9759 127 -0.21 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:0.8 0.0000679 0.92 AML other m 2023-06-04T03:22:51.72
IV.CSLB.HHE. ML:0.7 0.000050799999999999995 0.36 AML other m 2023-06-04T03:22:52.70
IV.GIB.HHE. ML:0.7 0.0000348 0.58 AML other m 2023-06-04T03:22:53.63
IV.GIB.HHN. ML:0.7 0.000039750000000000004 1.36 AML other m 2023-06-04T03:22:54.24
IV.RESU.HHN. ML:0.7 0.00004025 0.7 AML other m 2023-06-04T03:22:57.63
IV.RESU.HHE. ML:0.4 0.000019594999999999998 1.44 AML other m 2023-06-04T03:22:58.73
IV.ESML.HHN. ML:1.8 0.0000925 0.58 AML other m 2023-06-04T03:23:02.51
IV.ESML.HHE. ML:1.9 0.0001215 0.48 AML other m 2023-06-04T03:23:02.60
IV.CSLB.HNE. ML:0.7 0.00005352228 0.3696 AML other m 2023-06-04T03:22:52.51
IV.CSLB.HNN. ML:0.7 0.000054347234999999996 0.2704 AML other m 2023-06-04T03:22:51.71
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