Earthquake with magnitude of ML 1.8 on date 04-06-2022 and time 02:21:56 (Italy) in region 3 km SE Brallo di Pregola (PV)

A magnitude ML 1.8 earthquake occured in region: 3 km SE Brallo di Pregola (PV), on

  • 04-06-2022 00:21:56 (UTC)
  • 04-06-2022 02:21:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7200, 9.3000 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
Brallo di Pregola PV 3 599 599
Zerba PC 6 77 676
Cerignale PC 6 127 803
Corte Brugnatella PC 6 586 1389
Santa Margherita di Staffora PV 7 473 1862
Menconico PV 9 360 2222
Bobbio PC 9 3577 5799
Coli PC 9 879 6678
Ottone PC 11 516 7194
Fabbrica Curone AL 12 656 7850
Gorreto GE 13 97 7947
Romagnese PV 13 687 8634
Varzi PV 14 3279 11913
Carrega Ligure AL 15 84 11997
Rovegno GE 16 554 12551
Montacuto AL 16 278 12829
Cabella Ligure AL 17 528 13357
Zavattarello PV 17 991 14348
Valverde PV 17 287 14635
Gremiasco AL 18 324 14959
Ferriere PC 18 1294 16253
Fascia GE 18 81 16334
Bagnaria PV 18 658 16992
Albera Ligure AL 18 325 17317
Rondanina GE 19 62 17379
Pecorara PC 19 730 18109
Fontanigorda GE 19 277 18386
Propata GE 19 142 18528
Rocchetta Ligure AL 20 200 18728
San Sebastiano Curone AL 20 583 19311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Genova (586655 inhabitants)
48 Km SW of Piacenza (102191 inhabitants)
53 Km S of Pavia (72576 inhabitants)
58 Km E of Alessandria (93943 inhabitants)
73 Km SW of Cremona (71901 inhabitants)
75 Km SE of Vigevano (63310 inhabitants)
79 Km NE of Savona (61345 inhabitants)
80 Km NW of La Spezia (93959 inhabitants)
82 Km W of Parma (192836 inhabitants)
84 Km S of Milano (1345851 inhabitants)
89 Km E of Asti (76202 inhabitants)
91 Km S of Sesto San Giovanni (81608 inhabitants)
92 Km S of Rho (50434 inhabitants)
94 Km S of Cinisello Balsamo (75078 inhabitants)
95 Km NW of Carrara (63133 inhabitants)
96 Km S of Monza (122671 inhabitants)
97 Km SE of Novara (104380 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 2022-06-04
00:21:56
44.72 9.3 9 2023-01-31
19:03:24
Bollettino Sismico Italiano INGV 107670541
Reviewed
Rev100
ML 1.8 2022-06-04
00:21:56
44.7313 9.3182 10 2022-06-04
00:38:36
Sala Sismica INGV-Roma 105547031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-04 00:21:56 ± 0.11
Latitude 44.7200 ± 0.0063
Longitude 9.3000 ± 0.0076
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 107670541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 575
Semi-minor axis of confidence ellipse (meter) 513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
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 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 1.50546
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 107670541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-28 14:42:51

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 105547031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-04 00:38:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2022-06-04T00:22:44.09 0.3 undecidable manual S 306 167.1105 50 -0.25 51
GU.SARM.EHN. 2022-06-04T00:22:28.66 0.6 undecidable manual S 124 105.5166 50 0.76 35
GU.CIRO.HHZ. 2022-06-04T00:22:24.40 0.3 undecidable manual P 306 167.1105 50 0.19 52
GU.EQUI.HHZ. 2022-06-04T00:22:23.53 0.6 undecidable manual S 132 91.3419 50 -0.58 38
GU.ENR.HHN. 2022-06-04T00:22:23.46 0.3 undecidable manual P 251 158.619 50 0.57 49
GU.RSP.HNN. 2022-06-04T00:22:23.58 0.3 undecidable manual P 287 166.7109 50 -0.57 47
GU.BHB.HHN. 2022-06-04T00:22:22.79 0.3 undecidable manual P 275 160.9167 50 -0.46 50
IV.PLMA.HHZ. 2022-06-04T00:22:22.41 0.6 undecidable manual S 149 86.3469 50 -0.37 41
GU.TRAV.HHZ. 2022-06-04T00:22:21.94 0.3 undecidable manual P 306 150.0387 50 0.36 54
GU.MGRO.HHN. 2022-06-04T00:22:20.10 0.3 undecidable manual P 238 140.1486 50 0.05 59
GU.GBOS.HHZ. 2022-06-04T00:22:18.27 0.3 undecidable manual P 246 127.1727 50 0.22 59
IV.MDI.HHE. 2022-06-04T00:22:17.80 0.3 undecidable manual P 15 120.8901 50 0.71 51
GU.GRAM.HHZ. 2022-06-04T00:22:17.30 0.6 undecidable manual S 113 65.5899 50 0.06 46
GU.RORO.HHZ. 2022-06-04T00:22:16.83 0.6 undecidable manual P 236 118.6923 50 0.08 41
GU.PCP.HHZ. 2022-06-04T00:22:16.39 0.6 undecidable manual S 252 62.7927 50 -0.1 46
MN.VLC.HHZ. 2022-06-04T00:22:16.29 0.3 undecidable manual P 125 106.116 50 1.48 36
GU.SARM.EHN. 2022-06-04T00:22:14.93 0.3 undecidable manual P 124 105.5166 50 0.22 61
GU.CANO.HHZ. 2022-06-04T00:22:14.58 0.1 undecidable manual P 236 101.5206 50 0.48 78
IV.MSSA.HHZ. 2022-06-04T00:22:12.49 0.6 undecidable manual S 159 48.0186 50 -0.05 47
GU.EQUI.HHZ. 2022-06-04T00:22:12.29 0.6 undecidable manual P 132 91.3419 50 -0.24 42
IV.PLMA.HHZ. 2022-06-04T00:22:11.71 0.3 undecidable manual P 149 86.3469 50 -0.05 66
GU.RNCA.HHZ. 2022-06-04T00:22:10.08 0.6 undecidable manual S 225 39.0276 50 -0.07 48
IV.SARZ.HHZ. 2022-06-04T00:22:09.25 0.3 undecidable manual S 298 34.5432 50 0.3 69
GU.GRAM.HHZ. 2022-06-04T00:22:08.35 0.3 undecidable manual P 113 65.5899 50 -0.21 66
GU.PCP.HHZ. 2022-06-04T00:22:07.59 0.3 undecidable manual P 252 62.7927 50 -0.54 62
IV.MSSA.HHZ. 2022-06-04T00:22:05.38 0.3 undecidable manual P 159 48.0186 50 -0.47 65
IV.SARZ.HHZ. 2022-06-04T00:22:03.61 0.3 undecidable manual P 298 34.5432 50 -0.17 71
GU.RNCA.HHZ. 2022-06-04T00:22:03.96 0.1 positive manual P 225 39.0276 50 -0.5 87
GU.GORR.HHZ. 2022-06-04T00:22:02.32 0.3 undecidable manual S 183 12.5763 124 0.36 71
IV.BOB.HHZ. 2022-06-04T00:22:01.86 0.6 undecidable manual S 65 12.7761 124 -0.17 49
IV.BOB.HHZ. 2022-06-04T00:21:59.40 0.1 positive manual P 65 12.7761 124 -0.38 94
GU.GORR.HHZ. 2022-06-04T00:21:59.82 0.1 undecidable manual P 183 12.5763 124 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHE. ML:1.8 0.000743 0.18 AML other m 2022-06-04T00:22:02.96
GU.GORR.HHN. ML:2.2 0.00181 1.82 AML other m 2022-06-04T00:22:03.99
IV.BOB.HHE. ML:1.9 0.00085811305 0.24 AML other m 2022-06-04T00:22:03.20
IV.BOB.HNE. ML:1.9 0.0009255 0.38 AML other m 2022-06-04T00:22:03.20
IV.BOB.HNN. ML:1.9 0.0009299999999999999 0.46 AML other m 2022-06-04T00:22:03.68
IV.BOB.HHN. ML:1.8 0.0008320000000000001 0.48 AML other m 2022-06-04T00:22:03.67
GU.RNCA.HHN. ML:1.5 0.00010614999999999999 0.64 AML other m 2022-06-04T00:22:10.32
GU.RNCA.HHE. ML:1.5 0.00010449999999999999 1.5 AML other m 2022-06-04T00:22:11.89
IV.SARZ.HHE. ML:1.9 0.00035250000000000006 1.4 AML other m 2022-06-04T00:22:11.18
IV.SARZ.HNE. ML:1.9 0.00036443190000000006 1.42 AML other m 2022-06-04T00:22:11.18
IV.MSSA.HHE. ML:1.9 0.0002229684 0.66 AML other m 2022-06-04T00:22:13.36
IV.SARZ.HHN. ML:1.9 0.00032950000000000004 0.4 AML other m 2022-06-04T00:22:13.62
IV.SARZ.HNN. ML:1.9 0.00029985510000000006 0.38 AML other m 2022-06-04T00:22:13.82
IV.MSSA.HHN. ML:2.1 0.000375 0.12 AML other m 2022-06-04T00:22:13.77
GU.GRAM.HHN. ML:1.6 0.0000818 0.62 AML other m 2022-06-04T00:22:20.50
GU.GRAM.HHE. ML:1.6 0.0000733 0.38 AML other m 2022-06-04T00:22:21.38
IV.PLMA.HHE. ML:1.5 0.0000412 1 AML other m 2022-06-04T00:22:25.64
IV.PLMA.HHN. ML:1.7 0.0000619 0.9 AML other m 2022-06-04T00:22:25.54
GU.CANO.HHN. ML:1.7 0.000049000000000000005 0.82 AML other m 2022-06-04T00:22:28.69
GU.CANO.HHE. ML:1.9 0.0000769 0.64 AML other m 2022-06-04T00:22:28.69
GU.TRAV.HHE. ML:1.6 0.0000201 0.72 AML other m 2022-06-04T00:22:41.78
GU.TRAV.HHN. ML:1.6 0.000020749999999999996 1.06 AML other m 2022-06-04T00:22:44.17
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