Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 11-09-2024 and time 06:27:27 (Italy) in region 5 km NE Polizzi Generosa (PA)

A magnitude ML 2.1 earthquake occured in region: 5 km NE Polizzi Generosa (PA), on

  • 11-09-2024 04:27:27 (UTC)
  • 11-09-2024 06:27:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8430, 14.0430 at 7 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.

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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
Polizzi Generosa PA 5 3407 3407
Petralia Sottana PA 6 2821 6228
Castellana Sicula PA 7 3411 9639
Petralia Soprana PA 8 3360 12999
Geraci Siculo PA 10 1945 14944
Blufi PA 10 1029 15973
Castelbuono PA 11 8943 24916
Bompietro PA 12 1401 26317
Isnello PA 12 1589 27906
Scillato PA 12 613 28519
Collesano PA 13 4054 32573
Caltavuturo PA 14 4017 36590
Gangi PA 15 6811 43401
Gratteri PA 15 963 44364
San Mauro Castelverde PA 15 1701 46065
Sclafani Bagni PA 17 426 46491
Alimena PA 18 2032 48523
Resuttano CL 18 2038 50561
Pollina PA 19 2974 53535
Lascari PA 20 3588 57123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Caltanissetta (63360 inhabitants)
54 Km SE of Bagheria (55387 inhabitants)
67 Km E of Palermo (674435 inhabitants)
72 Km NE of Agrigento (59770 inhabitants)
88 Km N of Gela (75827 inhabitants)
99 Km W of Catania (314555 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 2.1 2024-09-11
04:27:27		 37.8428 14.043 7 2024-09-11
04:38:57		 Sala Sismica INGV-Roma 131351031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-11 04:27:27 ± 0.08
Latitude 37.8428 ± 0.0045
Longitude 14.0430 ± 0.0057
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131351031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 453
Semi-minor axis of confidence ellipse (meter) 426
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86515
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 24
Type of magnitude ML
Reference to an origin 131351031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-11 04:38:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHZ. 2024-09-11T04:28:07.15 3.0 undecidable manual Pn -1.4 0
IV.MTTG.HHZ. 2024-09-11T04:27:51.72 3.0 positive manual P -2.09 0
IV.SSY.HHZ. 2024-09-11T04:27:50.23 3.0 positive manual P 0.15 0
IV.AIO.HHZ. 2024-09-11T04:27:47.49 3.0 negative manual P -0.52 0
IV.SOLUN.HHZ. 2024-09-11T04:27:45.18 0.6 undecidable manual S 302 52.503 50 0.01 46
IV.MBFT.HHZ. 2024-09-11T04:27:44.44 0.6 undecidable manual P 277 96.0261 50 -0.09 42
IV.MSFR.HHE. 2024-09-11T04:27:44.93 0.6 undecidable manual S 66 52.503 50 -0.23 44
IV.GALF.HHZ. 2024-09-11T04:27:43.89 0.6 undecidable manual S 108 48.2184 50 -0.13 46
IV.MCT.HHE. 2024-09-11T04:27:43.76 0.6 undecidable manual S 237 45.621 50 0.43 43
IV.CIMI.HHZ. 2024-09-11T04:27:42.47 0.6 undecidable manual S 276 41.4252 50 0.25 45
IV.MUCR.HHZ. 2024-09-11T04:27:41.80 3.0 negative manual P -1.33 0
IV.SCIAR.HHZ. 2024-09-11T04:27:37.92 0.6 undecidable manual S 293 27.9498 104 0.19 47
IV.GALF.HHZ. 2024-09-11T04:27:37.47 0.6 undecidable manual P 108 48.2184 50 0.32 44
IV.MCT.HHE. 2024-09-11T04:27:37.73 0.6 undecidable manual P 237 45.621 50 0.98 35
IV.MSFR.HHE. 2024-09-11T04:27:37.99 0.6 undecidable manual P 66 52.503 50 0.18 45
IV.SOLUN.HHZ. 2024-09-11T04:27:37.39 0.3 undecidable manual P 302 52.503 50 -0.42 64
IV.CIMI.HHZ. 2024-09-11T04:27:35.84 0.1 undecidable manual P 276 41.4252 50 -0.26 90
IV.RESU.HHZ. 2024-09-11T04:27:35.84 0.6 undecidable manual S 177 21.7671 107 0.16 48
IV.GIB.HHZ. 2024-09-11T04:27:34.14 0.6 undecidable manual S 355 16.3725 113 0.22 47
IV.RESU.HHZ. 2024-09-11T04:27:32.00 0.1 undecidable manual P 177 21.7671 107 -0.33 92
IV.CSLB.HHZ. 2024-09-11T04:27:32.27 0.6 undecidable manual S 7 10.5783 123 0.15 49
IV.SCIAR.HHZ. 2024-09-11T04:27:32.98 0.3 positive manual P 293 27.9498 104 -0.53 65
IV.PETRA.HHZ. 2024-09-11T04:27:31.19 0.6 undecidable manual S 99 6.3936 137 0.19 48
IV.GIB.HHZ. 2024-09-11T04:27:31.38 0.3 positive manual P 355 16.3725 113 0.06 73
IV.CSLB.HHZ. 2024-09-11T04:27:30.32 0.1 positive manual P 7 10.5783 123 0.04 99
IV.PETRA.HHZ. 2024-09-11T04:27:29.59 0.1 negative manual P 99 6.3936 137 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HNN. ML:2.2 0.00235 0.4 AML other m 2024-09-11T04:27:33.65
IV.CSLB.HHN. ML:2.2 0.0023049999999999998 0.4 AML other m 2024-09-11T04:27:33.66
IV.CSLB.HNE. ML:2.0 0.00156 0.28 AML other m 2024-09-11T04:27:34.39
IV.CSLB.HHE. ML:2.0 0.00156 0.28 AML other m 2024-09-11T04:27:34.40
IV.GIB.HHN. ML:2.0 0.0011200000000000001 0.38 AML other m 2024-09-11T04:27:37.14
IV.RESU.HHE. ML:2.1 0.0009885 0.38 AML other m 2024-09-11T04:27:40.00
IV.RESU.HNE. ML:1.8 0.0004855 1.58 AML other m 2024-09-11T04:27:40.98
IV.SCIAR.HHN. ML:2.0 0.000513 1.5 AML other m 2024-09-11T04:27:41.84
IV.SCIAR.HNN. ML:2.0 0.0005365 1.52 AML other m 2024-09-11T04:27:41.85
IV.SCIAR.HHE. ML:2.0 0.0005740000000000001 0.7 AML other m 2024-09-11T04:27:41.60
IV.SCIAR.HNE. ML:2.0 0.0005565 0.7 AML other m 2024-09-11T04:27:41.60
IV.GIB.HHE. ML:2.1 0.001375 0.46 AML other m 2024-09-11T04:27:41.40
IV.RESU.HHN. ML:2.3 0.001315 0.44 AML other m 2024-09-11T04:27:42.83
IV.RESU.HNN. ML:2.0 0.000657 0.44 AML other m 2024-09-11T04:27:42.83
IV.CIMI.HHE. ML:2.2 0.0006435 1.44 AML other m 2024-09-11T04:27:47.92
IV.CIMI.HNE. ML:2.4 0.000851 0.88 AML other m 2024-09-11T04:27:48.22
IV.CIMI.HNN. ML:2.2 0.0005135000000000001 0.42 AML other m 2024-09-11T04:27:48.77
IV.SOLUN.HHE. ML:2.1 0.00033999999999999997 0.82 AML other m 2024-09-11T04:27:49.60
IV.SOLUN.HHN. ML:2.0 0.000247 0.66 AML other m 2024-09-11T04:27:49.26
IV.GALF.HHN. ML:2.2 0.00042 0.44 AML other m 2024-09-11T04:27:52.80
IV.CIMI.HHN. ML:2.1 0.000472 0.74 AML other m 2024-09-11T04:27:54.01
IV.GALF.HHE. ML:2.2 0.0004359999999999999 0.62 AML other m 2024-09-11T04:27:54.31
IV.GALF.HNE. ML:2.0 0.000256 0.46 AML other m 2024-09-11T04:27:54.31
IV.GALF.HNN. ML:1.9 0.0002235 0.74 AML other m 2024-09-11T04:28:00.19
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