Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 12-10-2022 and time 05:11:16 (UTC) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 2.4 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 12-10-2022 05:11:16 (UTC)
  • 12-10-2022 07:11:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2660, 13.2280 at 4 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
Isola delle Femmine PA 7 7290 7290
Capaci PA 11 11446 18736
Torretta PA 15 4358 23094
Carini PA 15 38455 61549
Cinisi PA 16 12418 73967
Terrasini PA 18 12320 86287
Montelepre PA 20 6280 92567

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Palermo (674435 inhabitants)
32 Km NW of Bagheria (55387 inhabitants)
68 Km E of Trapani (68759 inhabitants)
87 Km NE of Marsala (83194 inhabitants)
88 Km NE of Mazara del Vallo (51718 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 2.4 2022-10-12
05:11:16		 38.2658 13.2277 4 2024-03-01
15:27:57		 Bollettino Sismico Italiano INGV 111141441
Reviewed
Rev100 		ML 2.4 2022-10-12
05:11:17		 38.244 13.2288 2 2022-10-12
06:00:11		 Sala Sismica INGV-Roma 110742231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-12 05:11:16 ± 0.16
Latitude 38.2658 ± 0.0081
Longitude 13.2277 ± 0.0080
Depth (km) 4 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111141441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 920
Semi-minor axis of confidence ellipse (meter) 670
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.14749
Epicentral distance of station farthest from the epicenter (degree) 0.76982
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:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 110742231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-12 05:26:52

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 111141441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-28 10:24:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LEVAN.EHN. 2022-10-12T05:11:32.28 1.0 undecidable manual P 249 82.7505 50 0.63 0
IV.PLLN.EHZ. 2022-10-12T05:11:32.70 0.6 undecidable manual P 110 85.4478 50 0.64 0
IV.MARS.HHN. 2022-10-12T05:11:31.78 1.0 undecidable manual P 226 81.1521 50 0.37 0
IV.ALJA.HHZ. 2022-10-12T05:11:31.24 0.3 undecidable manual P 141 73.4709 50 1.02 3
IV.MBFT.HHE. 2022-10-12T05:11:30.70 0.6 undecidable manual S 214 42.8238 96 -0.8 41
IV.CSLB.HHZ. 2022-10-12T05:11:30.96 0.3 undecidable manual P 116 81.0522 50 -0.43 0
IV.GIB.HHZ. 2022-10-12T05:11:30.50 0.3 undecidable manual P 113 76.0683 50 -0.12 2
IV.MTGR.HHE. 2022-10-12T05:11:28.68 0.3 undecidable manual P 225 58.0974 50 0.83 35
IV.SOLUN.HHZ. 2022-10-12T05:11:27.93 0.3 undecidable manual S 126 32.8449 97 -0.14 75
IV.USI.HHZ. 2022-10-12T05:11:26.21 0.3 undecidable manual P 355 49.2174 50 -0.27 64
IV.MBFT.HHE. 2022-10-12T05:11:25.47 0.3 undecidable manual P 214 42.8238 96 0.27 72
IV.MARIO.HHE. 2022-10-12T05:11:24.41 0.3 undecidable manual P 153 38.9277 96 -0.01 77
IV.SOLUN.HHZ. 2022-10-12T05:11:23.07 0.1 undecidable manual P 126 32.8449 97 -0.15 100
IV.MPG.HHZ. 2022-10-12T05:11:22.55 0.6 undecidable manual S 135 16.3725 104 0.12 50
IV.MPG.HHZ. 2022-10-12T05:11:20.14 0.1 negative manual P 135 16.3725 104 0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPG.HHN. ML:2.5 0.0033628275 0.3008 AML other m 2022-10-12T05:11:23.24
IV.MPG.HHE. ML:2.6 0.0037382295 0.2592 AML other m 2022-10-12T05:11:23.59
IV.SOLUN.HHN. ML:2.2 0.00068077355 0.5408 AML other m 2022-10-12T05:11:28.37
IV.SOLUN.HHE. ML:2.3 0.00085227285 0.4992 AML other m 2022-10-12T05:11:28.28
IV.USI.HHE. ML:2.3 0.0004915000000000001 0.46 AML other m 2022-10-12T05:11:36.71
IV.USI.HHN. ML:2.6 0.001206947 0.3392 AML other m 2022-10-12T05:11:37.55
IV.ALJA.HHN. ML:2.1 0.00020750000000000003 1.08 AML other m 2022-10-12T05:11:51.39
IV.ALJA.HHE. ML:2.3 0.000305 0.52 AML other m 2022-10-12T05:11:51.16
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