Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 09-01-2022 and time 01:43:57 (Italy) in region 1 km SE Salaparuta (TP)

A magnitude ML 1.8 earthquake occured in region: 1 km SE Salaparuta (TP), on

  • 09-01-2022 00:43:57 (UTC)
  • 09-01-2022 01:43:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7530, 13.0150 at 14 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
Salaparuta TP 1 1696 1696
Poggioreale TP 2 1494 3190
Montevago AG 6 3006 6196
Santa Margherita di Belice AG 7 6363 12559
Partanna TP 12 10607 23166
Santa Ninfa TP 12 5043 28209
Gibellina TP 14 4115 32324
Sambuca di Sicilia AG 14 5877 38201
Contessa Entellina PA 15 1766 39967
Roccamena PA 16 1505 41472
Menfi AG 18 12592 54064
Camporeale PA 18 3373 57437

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Mazara del Vallo (51718 inhabitants)
51 Km SW of Palermo (674435 inhabitants)
51 Km E of Marsala (83194 inhabitants)
53 Km SE of Trapani (68759 inhabitants)
57 Km SW of Bagheria (55387 inhabitants)
70 Km NW of Agrigento (59770 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.8 2022-01-09
00:43:57		 37.7533 13.0148 14 2022-07-08
12:33:39		 Bollettino Sismico Italiano INGV 102611271
Reviewed
Rev100 		ML 1.8 2022-01-09
00:43:57		 37.7553 13.0183 14 2022-01-09
00:57:11		 Sala Sismica INGV-Roma 99475031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-09 00:43:57 ± 0.14
Latitude 37.7533 ± 0.0072
Longitude 13.0148 ± 0.0080
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102611271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 818
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.57916
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:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 102611271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-31 10:56:30

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 99475031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-09 00:57:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MARIO.HHE. 2022-01-09T00:44:11.90 0.6 undecidable manual S 59 42.9237 96 0.39 45
IV.LEVAN.EHN. 2022-01-09T00:44:10.42 0.3 undecidable manual P 294 64.2912 94 1.51 39
IV.SOLUN.HHE. 2022-01-09T00:44:08.13 0.6 undecidable manual P 50 58.7967 94 0.06 47
IV.CORL.HHZ. 2022-01-09T00:44:08.11 0.6 undecidable manual S 58 29.748 100 0.07 49
IV.ERC.EHE. 2022-01-09T00:44:07.33 0.6 undecidable manual P 310 48.9177 95 0.78 39
IV.SCIAC.HHZ. 2022-01-09T00:44:07.43 0.3 undecidable manual S 164 27.3504 102 0.01 74
IV.CAVT.HHZ. 2022-01-09T00:44:06.91 0.6 undecidable manual S 250 24.2535 105 0.31 47
IV.MTGR.HHZ. 2022-01-09T00:44:06.87 0.3 undecidable manual S 305 27.2505 102 -0.52 68
IV.MARIO.HHE. 2022-01-09T00:44:05.37 0.3 undecidable manual P 59 42.9237 96 -0.25 69
IV.MARS.HHE. 2022-01-09T00:44:05.25 0.3 undecidable manual P 270 39.5271 97 0.15 71
IV.MBFT.HHZ. 2022-01-09T00:44:05.27 0.6 undecidable manual S 346 22.0668 107 -0.77 42
IV.SCIAC.HHZ. 2022-01-09T00:44:03.23 0.3 undecidable manual P 164 27.3504 102 -0.03 74
IV.CORL.HHZ. 2022-01-09T00:44:03.71 0.1 undecidable manual P 58 29.748 100 0.09 98
IV.MBFT.HHZ. 2022-01-09T00:44:02.13 0.3 undecidable manual P 346 22.0668 107 -0.33 71
IV.CRJA.HHZ. 2022-01-09T00:44:02.92 0.6 undecidable manual S 350 5.3946 154 0.35 47
IV.CAVT.HHZ. 2022-01-09T00:44:02.72 0.1 undecidable manual P 250 24.2535 105 -0.06 99
IV.MMGO.HNZ. 2022-01-09T00:44:02.75 0.6 undecidable manual S 198 10.6782 134 -0.65 44
IV.MTGR.HHZ. 2022-01-09T00:44:02.97 0.3 undecidable manual P 305 27.2505 102 -0.27 71
IV.MMGO.HNZ. 2022-01-09T00:44:00.80 0.1 undecidable manual P 198 10.6782 134 -0.14 100
IV.CRJA.HHZ. 2022-01-09T00:44:00.61 0.1 undecidable manual P 350 5.3946 154 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMGO.HHN. ML:2.0 0.00095155725 0.2 AML other m 2022-01-09T00:44:02.88
IV.MMGO.HNN. ML:2.0 0.0009518454 0.21 AML other m 2022-01-09T00:44:02.89
IV.MMGO.HHE. ML:2.3 0.001787202 0.14 AML other m 2022-01-09T00:44:02.93
IV.MMGO.HNE. ML:2.3 0.001825 1.86 AML other m 2022-01-09T00:44:02.93
IV.CRJA.HHN. ML:2.4 0.0028778825 0.12 AML other m 2022-01-09T00:44:03.14
IV.CRJA.HHE. ML:2.4 0.002779981 0.12 AML other m 2022-01-09T00:44:03.43
IV.CAVT.HNE. ML:1.6 0.00019903145 0.16 AML other m 2022-01-09T00:44:07.08
IV.CAVT.HHE. ML:1.9 0.00040834415000000004 0.16 AML other m 2022-01-09T00:44:07.08
IV.CAVT.HHN. ML:1.9 0.00046988091 0.14 AML other m 2022-01-09T00:44:07.16
IV.CAVT.HNN. ML:1.6 0.00024346083 0.14 AML other m 2022-01-09T00:44:07.17
IV.SCIAC.HHE. ML:1.4 0.0001330759 1.86 AML other m 2022-01-09T00:44:07.95
IV.SCIAC.HHN. ML:1.5 0.000164613385 0.16 AML other m 2022-01-09T00:44:10.39
IV.SCIAC.HNN. ML:1.5 0.00017068778 0.15 AML other m 2022-01-09T00:44:10.39
IV.SCIAC.HNE. ML:1.4 0.00013252134999999998 0.16 AML other m 2022-01-09T00:44:11.31
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