Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 18-01-2024 and time 12:09:01 (Italy) in region 4 km SE Roccamena (PA)

A magnitude ML 2.2 earthquake occured in region: 4 km SE Roccamena (PA), on

  • 18-01-2024 11:09:01 (UTC)
  • 18-01-2024 12:09:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8140, 13.1850 at 14 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
Roccamena PA 4 1505 1505
Contessa Entellina PA 9 1766 3271
Campofiorito PA 10 1302 4573
Corleone PA 10 11234 15807
Camporeale PA 12 3373 19180
Bisacquino PA 14 4599 23779
Poggioreale TP 14 1494 25273
Giuliana PA 16 1952 27225
San Cipirello PA 16 5372 32597
Chiusa Sclafani PA 17 2838 35435
Salaparuta TP 17 1696 37131
San Giuseppe Jato PA 17 8650 45781
Santa Margherita di Belice AG 20 6363 52144
Sambuca di Sicilia AG 20 5877 58021

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Palermo (674435 inhabitants)
41 Km SW of Bagheria (55387 inhabitants)
55 Km E of Mazara del Vallo (51718 inhabitants)
63 Km E of Trapani (68759 inhabitants)
66 Km E of Marsala (83194 inhabitants)
66 Km NW of Agrigento (59770 inhabitants)
85 Km W of Caltanissetta (63360 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 2.2 2024-01-18
11:09:01		 37.8138 13.1853 14 2024-01-18
11:42:47		 Sala Sismica INGV-Roma 124719651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-18 11:09:01
Latitude 37.8138
Longitude 13.1853
Depth (km) 14 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124719651

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 1.41014
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 11
Type of magnitude ML
Reference to an origin 124719651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-18 11:42:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2024-01-18T11:09:28.91 1.0 undecidable manual P 108 156.5211 2.72 0
IV.CSLB.HHZ. 2024-01-18T11:09:15.61 0.6 undecidable manual P 79 77.1672 0.22 0.69
IV.ALJA.HHZ. 2024-01-18T11:09:13.53 0.1 undecidable manual P 99 51.0156 2.71 0
IV.SCIAC.HHZ. 2024-01-18T11:09:13.15 0.3 undecidable manual S 193 33.744 -0.14 0.84
IV.MARIO.HHZ. 2024-01-18T11:09:11.02 0.3 undecidable manual S 54 26.751 -0.37 0.84
IV.MBFT.HHZ. 2024-01-18T11:09:10.82 0.3 undecidable manual S 306 25.0527 -0.13 0.84
IV.MMGO.HHZ. 2024-01-18T11:09:10.29 0.3 undecidable manual S 228 24.8529 -0.62 0.84
IV.SOLUN.HHZ. 2024-01-18T11:09:09.50 0.1 undecidable manual P 43 43.2234 -0.25 1.38
IV.CAVT.HHZ. 2024-01-18T11:09:09.31 0.6 undecidable manual P 250 41.2254 -0.12 0.69
IV.CORL.HHZ. 2024-01-18T11:09:08.29 0.3 undecidable manual S 49 13.6752 0.21 0.84
IV.CIMI.HHZ. 2024-01-18T11:09:08.63 0.1 undecidable manual P 77 34.8429 0.37 1.12
IV.SCIAC.HHZ. 2024-01-18T11:09:07.94 0.1 undecidable manual P 193 33.744 -0.16 1.12
IV.CLTB.HHZ. 2024-01-18T11:09:07.58 0.3 undecidable manual P 174 26.2515 0.63 0.84
IV.MARIO.HHZ. 2024-01-18T11:09:06.75 0.1 undecidable manual P 54 26.751 -0.28 1.12
IV.MMGO.HHZ. 2024-01-18T11:09:06.60 0.1 undecidable manual P 228 24.8529 -0.16 1.12
IV.MBFT.HHZ. 2024-01-18T11:09:06.69 0.1 undecidable manual P 306 25.0527 -0.09 1.12
IV.MFNL.HHZ. 2024-01-18T11:09:06.94 0.1 undecidable manual P 264 23.2545 0.43 1.12
IV.CORL.HHZ. 2024-01-18T11:09:05.02 0.1 undecidable manual P 49 13.6752 -0.15 1.12
IV.CRJA.HHZ. 2024-01-18T11:09:05.79 0.1 undecidable manual P 266 15.9729 0.33 1.12
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CORL.HNN. ML:2.5 0.002945 1.04 AML other m 2024-01-18T11:09:08.85
IV.CORL.HNE. ML:2.7 0.003934999999999999 0.28 AML other m 2024-01-18T11:09:08.68
IV.CORL.HHN. ML:2.6 0.0029649999999999998 1.06 AML other m 2024-01-18T11:09:08.84
IV.CORL.HHE. ML:2.7 0.003915 0.28 AML other m 2024-01-18T11:09:08.68
IV.CRJA.HNN. ML:2.4 0.00209 0.52 AML other m 2024-01-18T11:09:09.64
IV.CRJA.HNE. ML:2.3 0.0015899999999999998 0.56 AML other m 2024-01-18T11:09:18.13
IV.CRJA.HHN. ML:2.4 0.0020849999999999996 0.54 AML other m 2024-01-18T11:09:09.63
IV.CRJA.HHE. ML:2.3 0.001595 0.56 AML other m 2024-01-18T11:09:18.13
IV.MFNL.HHN. ML:2.1 0.0006605000000000001 1 AML other m 2024-01-18T11:09:13.22
IV.MFNL.HHE. ML:2.0 0.0006085 0.42 AML other m 2024-01-18T11:09:11.78
IV.MMGO.HNN. ML:2.3 0.0009975000000000001 0.68 AML other m 2024-01-18T11:09:10.45
IV.MMGO.HNE. ML:2.2 0.0009075 0.22 AML other m 2024-01-18T11:09:12.33
IV.MMGO.HHN. ML:2.3 0.000986 0.7 AML other m 2024-01-18T11:09:10.44
IV.MMGO.HHE. ML:2.2 0.000903 0.22 AML other m 2024-01-18T11:09:12.33
IV.MBFT.HHN. ML:1.8 0.00036650000000000007 0.16 AML other m 2024-01-18T11:09:11.20
IV.MBFT.HHE. ML:1.8 0.00035350000000000003 0.24 AML other m 2024-01-18T11:09:11.37
IV.SCIAC.HNN. ML:2.3 0.0007495000000000001 0.48 AML other m 2024-01-18T11:09:14.22
IV.SCIAC.HNE. ML:2.2 0.000689 0.72 AML other m 2024-01-18T11:09:15.41
IV.SCIAC.HHN. ML:2.3 0.0007410000000000001 0.46 AML other m 2024-01-18T11:09:14.21
IV.SCIAC.HHE. ML:2.2 0.0006865 0.72 AML other m 2024-01-18T11:09:15.41
IV.CIMI.HNN. ML:2.2 0.000558 0.94 AML other m 2024-01-18T11:09:17.11
IV.CIMI.HNE. ML:2.2 0.000631 0.54 AML other m 2024-01-18T11:09:18.78
IV.CIMI.HHN. ML:2.1 0.000493 0.9 AML other m 2024-01-18T11:09:17.56
IV.CIMI.HHE. ML:2.2 0.0005515 0.56 AML other m 2024-01-18T11:09:18.78
IV.CSLB.HHN. ML:1.6 0.0000599 0.42 AML other m 2024-01-18T11:09:31.99
IV.CSLB.HHE. ML:1.5 0.0000463 0.84 AML other m 2024-01-18T11:09:32.95
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