Earthquake with magnitude of ML 1.6 on date 31-03-2022 and time 21:15:04 (Italy) in region 3 km E Vita (TP)

A magnitude ML 1.6 earthquake occured in region: 3 km E Vita (TP), on

  • 31-03-2022 19:15:04 (UTC)
  • 31-03-2022 21:15:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8710, 12.8460 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Vita TP 3 2056 2056
Calatafimi-Segesta TP 5 6712 8768
Gibellina TP 7 4115 12883
Salemi TP 7 10794 23677
Santa Ninfa TP 11 5043 28720
Alcamo TP 16 45307 74027
Partanna TP 17 10607 84634
Castellammare del Golfo TP 18 15394 100028
Salaparuta TP 19 1696 101724
Buseto Palizzolo TP 20 2957 104681

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Mazara del Vallo (51718 inhabitants)
33 Km SE of Trapani (68759 inhabitants)
37 Km E of Marsala (83194 inhabitants)
53 Km SW of Palermo (674435 inhabitants)
63 Km W of Bagheria (55387 inhabitants)
90 Km NW of Agrigento (59770 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 1.6 2022-03-31
19:15:04
37.8708 12.8458 8 2022-07-08
12:33:44
Bollettino Sismico Italiano INGV 103210161
Reviewed
Rev100
ML 1.6 2022-03-31
19:15:04
37.8717 12.8493 9 2022-03-31
19:23:50
Sala Sismica INGV-Roma 102633271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-31 19:15:04 ± 0.08
Latitude 37.8708 ± 0.0045
Longitude 12.8458 ± 0.0057
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103210161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 319
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
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) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 103210161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-14 16:56:31

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 102633271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-31 19:23:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LEVAN.EHE. 2022-03-31T19:15:19.33 0.6 undecidable manual S 287 45.7209 50 -0.08 47
IV.MARIO.HHE. 2022-03-31T19:15:14.02 0.3 undecidable manual P 80 52.2033 50 0.08 70
IV.MARS.HHZ. 2022-03-31T19:15:14.27 0.6 undecidable manual S 242 27.8499 107 0.04 49
IV.CAVT.HHZ. 2022-03-31T19:15:13.04 0.3 undecidable manual S 200 22.755 110 0.5 68
IV.LEVAN.EHE. 2022-03-31T19:15:13.08 0.3 undecidable manual P 287 45.7209 50 0.13 71
IV.MMGO.HHZ. 2022-03-31T19:15:13.21 0.3 undecidable manual S 154 25.8519 108 -0.35 70
IV.CORL.HHE. 2022-03-31T19:15:12.43 0.3 undecidable manual P 86 40.1265 50 0.34 68
IV.SCIAC.HHZ. 2022-03-31T19:15:12.57 0.3 undecidable manual P 150 45.3213 50 -0.31 68
IV.MMGO.HHZ. 2022-03-31T19:15:09.40 0.1 undecidable manual P 154 25.8519 108 -0.18 96
IV.MBFT.HHZ. 2022-03-31T19:15:09.42 0.3 undecidable manual S 48 12.5763 124 0.04 76
IV.MARS.HHZ. 2022-03-31T19:15:09.81 0.3 undecidable manual P 242 27.8499 107 -0.15 72
IV.ERC.EHZ. 2022-03-31T19:15:09.84 0.3 undecidable manual P 309 29.2485 106 -0.38 69
IV.CAVT.HHZ. 2022-03-31T19:15:09.11 0.1 undecidable manual P 200 22.755 110 0.13 98
IV.MBFT.HHZ. 2022-03-31T19:15:07.27 0.1 undecidable manual P 48 12.5763 124 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MBFT.HHE. ML:1.6 0.000489 0.18 AML other m 2022-03-31T19:15:10.19
IV.MBFT.HHN. ML:1.5 0.0004115 1.12 AML other m 2022-03-31T19:15:10.99
IV.CAVT.HHN. ML:1.9 0.00048403725 0.0608 AML other m 2022-03-31T19:15:13.51
IV.CAVT.HNN. ML:1.6 0.00028774645 0.4128 AML other m 2022-03-31T19:15:13.51
IV.MMGO.HHN. ML:1.4 0.0001465 0.2 AML other m 2022-03-31T19:15:13.54
IV.MMGO.HNN. ML:1.4 0.00014250000000000002 0.18 AML other m 2022-03-31T19:15:13.64
IV.CAVT.HNE. ML:1.6 0.0003015907 0.1536 AML other m 2022-03-31T19:15:13.87
IV.CAVT.HHE. ML:1.9 0.0005958285 0.1536 AML other m 2022-03-31T19:15:13.88
IV.MARS.HHE. ML:2.4 0.00123792795 0.2976 AML other m 2022-03-31T19:15:14.34
IV.MARS.HHN. ML:1.9 0.0003886218 1.312 AML other m 2022-03-31T19:15:14.01
IV.MMGO.HHE. ML:1.3 0.0001185 0.22 AML other m 2022-03-31T19:15:14.64
IV.MMGO.HNE. ML:1.4 0.00013450000000000002 1.02 AML other m 2022-03-31T19:15:15.64
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