Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 05-07-2022 and time 17:58:27 (Italy) in region 4 km SW Isnello (PA)

A magnitude ML 1.6 earthquake occured in region: 4 km SW Isnello (PA), on

  • 05-07-2022 15:58:27 (UTC)
  • 05-07-2022 17:58:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9150, 13.9880 at 6 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Isnello PA 4 1589 1589
Collesano PA 4 4054 5643
Gratteri PA 6 963 6606
Castelbuono PA 9 8943 15549
Scillato PA 9 613 16162
Lascari PA 10 3588 19750
Polizzi Generosa PA 11 3407 23157
Campofelice di Roccella PA 12 7537 30694
Caltavuturo PA 13 4017 34711
Cefalù PA 14 14393 49104
Petralia Sottana PA 15 2821 51925
Cerda PA 15 5330 57255
Castellana Sicula PA 16 3411 60666
Sclafani Bagni PA 16 426 61092
Geraci Siculo PA 16 1945 63037
Pollina PA 17 2974 66011
Petralia Soprana PA 17 3360 69371
San Mauro Castelverde PA 18 1701 71072
Aliminusa PA 19 1236 72308
Blufi PA 20 1029 73337
Sciara PA 20 2822 76159

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Bagheria (55387 inhabitants)
47 Km N of Caltanissetta (63360 inhabitants)
59 Km E of Palermo (674435 inhabitants)
76 Km NE of Agrigento (59770 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.6 2022-07-05
15:58:27		 37.9147 13.9875 6 2023-01-31
19:03:50		 Bollettino Sismico Italiano INGV 110556551
Reviewed
Rev100 		ML 1.6 2022-07-05
15:58:28		 37.9195 13.9823 5 2022-07-05
16:09:17		 Sala Sismica INGV-Roma 106846771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-05 15:58:27 ± 0.12
Latitude 37.9147 ± 0.0081
Longitude 13.9875 ± 0.0114
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110556551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 962
Semi-minor axis of confidence ellipse (meter) 779
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.70956
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 110556551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-07 15:08:06

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 106846771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-05 16:09:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CORL.HHZ. 2022-07-05T15:58:47.18 0.6 undecidable manual S 268 59.8956 50 -0.31 44
IV.MARIO.HHE. 2022-07-05T15:58:45.06 0.6 undecidable manual S 275 48.7179 50 0.55 43
IV.IACL.HHE. 2022-07-05T15:58:42.25 0.6 undecidable manual P 25 75.6687 50 0.61 40
IV.MUCR.HHZ. 2022-07-05T15:58:42.45 0.6 undecidable manual P 79 78.7656 50 0.32 43
IV.MPG.HHE. 2022-07-05T15:58:39.66 0.6 undecidable manual P 297 61.2942 50 0.23 45
IV.MSFR.HHZ. 2022-07-05T15:58:38.39 0.3 undecidable manual P 76 54.501 50 0.02 71
IV.ALJA.HHZ. 2022-07-05T15:58:38.11 0.6 undecidable manual S 228 27.5502 102 0.45 46
IV.RESU.HHZ. 2022-07-05T15:58:38.73 0.6 undecidable manual S 168 30.3474 101 0.11 49
IV.CORL.HHZ. 2022-07-05T15:58:38.78 0.3 undecidable manual P 268 59.8956 50 -0.43 65
IV.MARIO.HHE. 2022-07-05T15:58:36.76 0.3 undecidable manual P 275 48.7179 50 -0.73 60
IV.SOLUN.HHE. 2022-07-05T15:58:36.66 0.3 undecidable manual P 296 44.3223 50 -0.16 71
IV.RESU.HHZ. 2022-07-05T15:58:34.67 0.3 undecidable manual P 168 30.3474 101 0.59 65
IV.PLLN.EHZ. 2022-07-05T15:58:34.25 0.3 undecidable manual S 58 16.1727 110 0.4 71
IV.ALJA.HHZ. 2022-07-05T15:58:33.49 0.1 undecidable manual P 228 27.5502 102 -0.05 99
IV.GIB.HHZ. 2022-07-05T15:58:32.38 0.3 undecidable manual S 22 8.9799 123 0.75 63
IV.PLLN.EHZ. 2022-07-05T15:58:30.91 0.1 undecidable manual P 58 16.1727 110 -0.42 94
IV.CSLB.HHZ. 2022-07-05T15:58:30.28 0.3 undecidable manual S 68 6.6933 131 -0.69 65
IV.GIB.HHZ. 2022-07-05T15:58:30.22 0.1 positive manual P 22 8.9799 123 0.17 100
IV.CSLB.HHZ. 2022-07-05T15:58:29.17 0.1 positive manual P 68 6.6933 131 -0.5 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIB.HHE. ML:2.0 0.001597789 0.384 AML other m 2022-07-05T15:58:32.70
IV.GIB.HHN. ML:2.0 0.0019199999999999998 1.6 AML other m 2022-07-05T15:58:32.99
IV.PLLN.EHE. ML:1.6 0.00036772380000000003 0.3328 AML other m 2022-07-05T15:58:35.54
IV.PLLN.EHN. ML:1.9 0.0008735 0.68 AML other m 2022-07-05T15:58:38.64
IV.ALJA.HHE. ML:1.6 0.00022499999999999997 1.04 AML other m 2022-07-05T15:58:39.81
IV.ALJA.HHN. ML:1.3 0.000118 0.94 AML other m 2022-07-05T15:58:40.76
IV.MSFR.HHN. ML:1.2 0.000038960129999999995 0.464 AML other m 2022-07-05T15:58:47.71
IV.MSFR.HHE. ML:1.3 0.00004825 1 AML other m 2022-07-05T15:58:49.07
IV.CORL.HHE. ML:1.5 0.0000693 0.3 AML other m 2022-07-05T15:58:52.84
IV.MUCR.HHE. ML:1.6 0.00006186295499999999 0.4608 AML other m 2022-07-05T15:58:58.57
IV.CORL.HHN. ML:1.4 0.000057249999999999996 0.96 AML other m 2022-07-05T15:58:59.24
IV.MUCR.HHN. ML:1.7 0.000068040775 0.3968 AML other m 2022-07-05T15:58:59.44
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