Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 05-07-2022 and time 18:25:08 (Italy) in region 3 km E Isnello (PA)

A magnitude ML 1.7 earthquake occured in region: 3 km E Isnello (PA), on

  • 05-07-2022 16:25:08 (UTC)
  • 05-07-2022 18:25:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9430, 14.0420 at 2 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 3 1589 1589
Castelbuono PA 4 8943 10532
Gratteri PA 7 963 11495
Collesano PA 9 4054 15549
Pollina PA 11 2974 18523
Lascari PA 11 3588 22111
Cefalù PA 11 14393 36504
San Mauro Castelverde PA 13 1701 38205
Geraci Siculo PA 14 1945 40150
Campofelice di Roccella PA 15 7537 47687
Polizzi Generosa PA 15 3407 51094
Scillato PA 15 613 51707
Petralia Sottana PA 16 2821 54528
Petralia Soprana PA 17 3360 57888
Castellana Sicula PA 18 3411 61299
Tusa ME 18 2925 64224
Caltavuturo PA 19 4017 68241

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Bagheria (55387 inhabitants)
50 Km N of Caltanissetta (63360 inhabitants)
63 Km E of Palermo (674435 inhabitants)
81 Km NE of Agrigento (59770 inhabitants)
99 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 1.7 2022-07-05
16:25:08		 37.9427 14.0418 2 2023-01-31
19:03:50		 Bollettino Sismico Italiano INGV 110556711
Reviewed
Rev100 		ML 1.6 2022-07-05
16:25:08		 37.9398 14.0452 1 2022-07-05
16:43:35		 Sala Sismica INGV-Roma 106848281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-05 16:25:08 ± 0.11
Latitude 37.9427 ± 0.0063
Longitude 14.0418 ± 0.0068
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110556711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.48024
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 110556711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-07 15:09:29

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 106848281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-05 16:43:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHE. 2022-07-05T16:25:25.77 0.6 undecidable manual S 78 49.1175 92 0.24 45
IV.SOLUN.HHZ. 2022-07-05T16:25:24.37 0.6 undecidable manual S 291 47.5191 92 -0.59 41
IV.ALJA.HHZ. 2022-07-05T16:25:20.63 0.6 undecidable manual S 230 33.1446 93 0.64 41
IV.MARIO.HHN. 2022-07-05T16:25:18.62 1.0 undecidable manual P 272 53.3022 92 -0.53 21
IV.SOLUN.HHZ. 2022-07-05T16:25:17.58 0.3 undecidable manual P 291 47.5191 92 -0.41 65
IV.MSFR.HHE. 2022-07-05T16:25:17.99 0.3 undecidable manual P 78 49.1175 92 -0.33 66
IV.ALJA.HHZ. 2022-07-05T16:25:15.29 0.3 undecidable manual P 230 33.1446 93 0.17 70
IV.RESU.HHZ. 2022-07-05T16:25:15.50 0.3 undecidable manual P 178 32.8449 93 0.43 66
IV.PLLN.EHZ. 2022-07-05T16:25:12.67 0.6 undecidable manual S 58 10.4784 98 0.54 45
IV.PLLN.EHZ. 2022-07-05T16:25:10.47 0.1 negative manual P 58 10.4784 98 -0.12 98
IV.GIB.HHZ. 2022-07-05T16:25:10.89 0.3 undecidable manual S 345 5.3946 105 0.46 69
IV.GIB.HHZ. 2022-07-05T16:25:09.67 0.1 undecidable manual P 345 5.3946 105 0.07 100
IV.CSLB.HHZ. 2022-07-05T16:25:08.94 0.3 undecidable manual S 113 1.4985 134 -0.26 73
IV.CSLB.HHZ. 2022-07-05T16:25:08.62 0.1 undecidable manual P 113 1.4985 134 -0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHN. ML:2.0 0.0018001765 0.4864 AML other m 2022-07-05T16:25:16.36
IV.PLLN.EHE. ML:1.9 0.0014746779999999999 0.576 AML other m 2022-07-05T16:25:16.63
IV.ALJA.HHN. ML:1.4 0.00010499968 0.4224 AML other m 2022-07-05T16:25:22.45
IV.ALJA.HHE. ML:1.6 0.000175539 0.576 AML other m 2022-07-05T16:25:23.75
IV.RESU.HHE. ML:1.5 0.0001604942 0.3584 AML other m 2022-07-05T16:25:24.15
IV.RESU.HHN. ML:1.6 0.00020316985 0.6016 AML other m 2022-07-05T16:25:28.54
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