Earthquake with magnitude of ML 2.2 on date 02-09-2023 and time 06:33:32 (Italy) in region 3 km E Tortona (AL)

A magnitude ML 2.2 earthquake occured in region: 3 km E Tortona (AL), on

  • 02-09-2023 04:33:32 (UTC)
  • 02-09-2023 06:33:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8870, 8.8930 at 43 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tortona AL 3 27437 27437
Sarezzano AL 3 1171 28608
Viguzzolo AL 3 3148 31756
Villaromagnano AL 4 715 32471
Carbonara Scrivia AL 4 1122 33593
Berzano di Tortona AL 5 157 33750
Castellar Guidobono AL 5 399 34149
Volpeglino AL 5 148 34297
Spineto Scrivia AL 6 337 34634
Cerreto Grue AL 6 323 34957
Volpedo AL 7 1227 36184
Monleale AL 7 566 36750
Montegioco AL 7 313 37063
Paderna AL 7 220 37283
Casalnoceto AL 8 980 38263
Villalvernia AL 8 955 39218
Costa Vescovato AL 8 335 39553
Pontecurone AL 9 3723 43276
Carezzano AL 9 431 43707
Montemarzino AL 9 341 44048
Castellania AL 10 90 44138
Castelnuovo Scrivia AL 10 5274 49412
Pozzol Groppo AL 11 328 49740
Avolasca AL 11 294 50034
Rivanazzano Terme PV 11 5312 55346
Casasco AL 11 129 55475
Sant'Agata Fossili AL 11 425 55900
Gavazzana AL 12 180 56080
Momperone AL 12 223 56303
Sale AL 13 4172 60475
Godiasco Salice Terme PV 13 3229 63704
Retorbido PV 13 1538 65242
Pozzolo Formigaro AL 14 4775 70017
Cassano Spinola AL 14 1731 71748
Casei Gerola PV 14 2500 74248
Brignano-Frascata AL 14 456 74704
Garbagna AL 14 696 75400
Alzano Scrivia AL 15 377 75777
Guazzora AL 15 305 76082
Sardigliano AL 15 406 76488
Piovera AL 15 851 77339
Voghera PV 15 39421 116760
Molino dei Torti AL 15 605 117365
Alluvioni CambiĆ² AL 15 912 118277
Cecima PV 16 236 118513
Codevilla PV 16 997 119510
Rocca Susella PV 16 225 119735
Novi Ligure AL 16 28154 147889
Isola Sant'Antonio AL 16 717 148606
Ponte Nizza PV 17 807 149413
Rivarone AL 17 381 149794
Frugarolo AL 18 1968 151762
San Sebastiano Curone AL 18 583 152345
Montecastello AL 18 321 152666
Silvano Pietra PV 18 672 153338
Stazzano AL 18 2486 155824
Cornale e Bastida PV 18 867 156691
Borghetto di Borbera AL 18 1966 158657
Bassignana AL 18 1709 160366
Dernice AL 18 185 160551
Torrazza Coste PV 18 1680 162231
Bosco Marengo AL 19 2457 164688
Pietra Marazzi AL 19 904 165592
Montesegale PV 19 298 165890
Serravalle Scrivia AL 19 6128 172018
Gambarana PV 19 225 172243
Pasturana AL 19 1318 173561
Pieve del Cairo PV 19 2063 175624
Gremiasco AL 20 324 175948
Bagnaria PV 20 658 176606
Basaluzzo AL 20 2087 178693
Suardi PV 20 624 179317
Vignole Borbera AL 20 2182 181499
Mezzana Bigli PV 20 1098 182597
Fresonara AL 20 731 183328

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Alessandria (93943 inhabitants)
39 Km SW of Pavia (72576 inhabitants)
48 Km S of Vigevano (63310 inhabitants)
53 Km N of Genova (586655 inhabitants)
54 Km E of Asti (76202 inhabitants)
66 Km W of Piacenza (102191 inhabitants)
66 Km SE of Novara (104380 inhabitants)
69 Km SW of Milano (1345851 inhabitants)
72 Km NE of Savona (61345 inhabitants)
72 Km S of Rho (50434 inhabitants)
77 Km SW of Sesto San Giovanni (81608 inhabitants)
79 Km S of Legnano (60262 inhabitants)
79 Km SW of Cinisello Balsamo (75078 inhabitants)
81 Km S of Busto Arsizio (83106 inhabitants)
83 Km SW of Monza (122671 inhabitants)
86 Km S of Gallarate (53343 inhabitants)
93 Km W of Cremona (71901 inhabitants)
96 Km E of Moncalieri (57294 inhabitants)
98 Km E of Torino (890529 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 2023-09-02
04:33:32
44.8872 8.8932 43 2023-09-02
04:41:33
Sala Sismica INGV-Roma 120678221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-02 04:33:32 ± 0.15
Latitude 44.8872 ± 0.0099
Longitude 8.8932 ± 0.0165
Depth (km) 43 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120678221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1094
Semi-minor axis of confidence ellipse (meter) 958
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 82
Number of defining phases 21
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.05490
Number of stations at which the event was observed 67
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 120678221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-02 04:41:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-09-02T04:35:20.67 3.0 undecidable manual Sg 19.93 0
IV.PZUN.HHZ. 2023-09-02T04:35:16.68 3.0 negative manual Pn 7.25 0
IV.SACR.HHZ. 2023-09-02T04:35:10.08 3.0 positive manual Pg 16.1 0
OE.WTTA.HHZ. 2023-09-02T04:34:58.59 3.0 undecidable manual Sn 2.65 0
IV.GIUL.HHZ. 2023-09-02T04:34:53.58 3.0 negative manual Pg 11.93 0
IV.STAL.HHZ. 2023-09-02T04:34:53.95 3.0 undecidable manual Sn -1.42 0
ST.ZIAN.EHZ. 2023-09-02T04:34:47.10 3.0 undecidable manual Sg 8.43 0
IV.CTI.HHZ. 2023-09-02T04:34:46.27 3.0 undecidable manual Sg 9.31 0
IV.IMOL.HNZ. 2023-09-02T04:34:45.48 3.0 undecidable manual Sg 12.17 0
IV.CASP.HHZ. 2023-09-02T04:34:42.84 3.0 undecidable manual Sn -0.71 0
OX.VARN.HHZ. 2023-09-02T04:34:41.66 3.0 undecidable manual Sn -1.62 0
IV.SENI.HNZ. 2023-09-02T04:34:38.82 3.0 undecidable manual Pg 14.56 0
IV.NRCA.HHZ. 2023-09-02T04:34:31.06 3.0 negative manual Pn 2.09 0
IV.MNTT.EHZ. 2023-09-02T04:34:31.91 3.0 negative manual Pn 0.51 0
IV.MF5.EHZ. 2023-09-02T04:34:31.48 3.0 negative manual Pn 0.75 0
IV.FDMO.HHZ. 2023-09-02T04:34:28.31 3.0 negative manual Pn 1.12 0
OX.DRE.HHZ. 2023-09-02T04:34:27.16 3.0 undecidable manual Pn -0.42 0
NI.VINO.HHZ. 2023-09-02T04:34:24.02 3.0 positive manual Pn -0.64 0
IV.MAGA.HHZ. 2023-09-02T04:34:22.73 3.0 undecidable manual Sg 4.05 0
OE.WTTA.HHZ. 2023-09-02T04:34:21.97 3.0 negative manual Pn 1.89 0
OX.MPRI.HHZ. 2023-09-02T04:34:21.90 3.0 positive manual Pn -0.16 0
NI.PALA.HHZ. 2023-09-02T04:34:21.29 3.0 positive manual Pn -0.24 0
IV.BAG8.EHZ. 2023-09-02T04:34:20.79 3.0 undecidable manual Sg 3.66 0
IV.MABI.HHZ. 2023-09-02T04:34:20.95 3.0 undecidable manual Sn -0.54 0
IV.STAL.HHZ. 2023-09-02T04:34:19.32 3.0 positive manual Pn -0.44 0
OX.MLN.HHZ. 2023-09-02T04:34:18.26 3.0 undecidable manual Pn -0.04 0
SI.ROSI.HHZ. 2023-09-02T04:34:15.78 3.0 positive manual Pn 0.55 0
OX.CAE.HHZ. 2023-09-02T04:34:15.79 3.0 negative manual Pn -0.19 0
IV.CRE.HHZ. 2023-09-02T04:34:14.15 3.0 positive manual Pn 0.84 0
IV.CASP.HHZ. 2023-09-02T04:34:13.66 3.0 negative manual Pn 0.54 0
SI.BOSI.HHZ. 2023-09-02T04:34:13.05 3.0 negative manual Pn 2.63 0
OX.VARN.HHZ. 2023-09-02T04:34:12.98 3.0 negative manual Pn 0.01 0
ST.ZIAN.EHZ. 2023-09-02T04:34:10.11 3.0 positive manual Pn -0.27 0
SI.KOSI.HHZ. 2023-09-02T04:34:10.89 3.0 negative manual Pn 0.34 0
IV.CTI.HHZ. 2023-09-02T04:34:09.05 3.0 negative manual Pn -0.37 0
ST.OZOL.EHZ. 2023-09-02T04:34:07.91 3.0 undecidable manual Pn 0.2 0
IV.CSNT.HHZ. 2023-09-02T04:34:06.33 3.0 negative manual Pn -2.71 0
IV.ZOVE.EHZ. 2023-09-02T04:34:06.31 3.0 undecidable manual Pn 1.48 0
CH.DAVOX.HHZ. 2023-09-02T04:34:06.65 3.0 negative manual Pn 0.93 0
ST.DOSS.HHZ. 2023-09-02T04:34:03.55 3.0 undecidable manual Pn -0.9 0
OX.MARN.HHZ. 2023-09-02T04:34:02.73 3.0 negative manual Pn -0.46 0
CH.BERNI.HHZ. 2023-09-02T04:34:02.24 3.0 negative manual Pn 0.45 0
IV.PII.HHZ. 2023-09-02T04:34:01.38 3.0 undecidable manual Pn 0.27 0
GU.POPM.HHZ. 2023-09-02T04:34:01.38 3.0 undecidable manual Pn 1.22 0
ST.VARA.EHZ. 2023-09-02T04:34:01.08 3.0 positive manual Pn -0.62 0
4P.IT06A.HHZ. 2023-09-02T04:34:00.00 0.6 undecidable manual S 244 88.8444 97 0.57 40
IV.MABI.HHZ. 2023-09-02T04:34:00.36 3.0 positive manual Pn -0.37 0
GU.MAIM.HHZ. 2023-09-02T04:33:59.56 3.0 positive manual Pn 0.47 0
GU.CANO.HHZ. 2023-09-02T04:33:59.89 0.6 undecidable manual S 215 91.5417 97 -0.1 42
GU.CARD.HHZ. 2023-09-02T04:33:59.13 3.0 undecidable manual Pn 1.08 0
IV.MAGA.HHZ. 2023-09-02T04:33:58.33 3.0 negative manual Pn -0.82 0
CH.DIX.HHZ. 2023-09-02T04:33:58.33 3.0 negative manual Pn -0.94 0
GU.PZZ.HHZ. 2023-09-02T04:33:58.09 3.0 undecidable manual Pg 2.55 0
MN.VLC.HHZ. 2023-09-02T04:33:57.34 3.0 positive manual Pg 1.12 0
GU.BURY.HHZ. 2023-09-02T04:33:56.84 3.0 undecidable manual Pn -0.83 0
IV.QLNO.HHZ. 2023-09-02T04:33:56.55 0.6 undecidable manual S 215 75.9684 99 -0.12 43
GU.EQUI.HHZ. 2023-09-02T04:33:55.17 3.0 negative manual Pn 0.88 0
GU.RSP.HHZ. 2023-09-02T04:33:54.53 3.0 undecidable manual Pn 0.95 0
GU.STV.HHZ. 2023-09-02T04:33:54.45 3.0 negative manual Pn -0.71 0
GU.MGRO.HHZ. 2023-09-02T04:33:53.24 3.0 undecidable manual Pn -0.09 0
GU.GRAM.HHZ. 2023-09-02T04:33:52.82 3.0 negative manual Pg 1.62 0
CH.MUGIO.HHZ. 2023-09-02T04:33:51.25 0.1 undecidable manual P 6 115.3956 94 -0.27 80
GU.BHB.HHZ. 2023-09-02T04:33:51.72 3.0 undecidable manual Pn -1.54 0
GU.CIRO.HHZ. 2023-09-02T04:33:51.43 3.0 undecidable manual Pn -2.15 0
IV.MDI.HHZ. 2023-09-02T04:33:51.88 0.1 undecidable manual P 33 117.0939 94 0.15 76
GU.GBOS.HHZ. 2023-09-02T04:33:50.92 0.1 undecidable manual P 230 109.8123 95 0.08 82
GU.RNCA.HHZ. 2023-09-02T04:33:50.39 0.6 undecidable manual S 174 46.4202 116 -0.18 46
GU.RORO.HHZ. 2023-09-02T04:33:50.23 0.1 undecidable manual P 218 108.0141 95 -0.38 78
GU.TRAV.HHZ. 2023-09-02T04:33:49.69 3.0 negative manual Pn -1.78 0
GU.PCP.HHZ. 2023-09-02T04:33:49.88 0.6 undecidable manual S 216 47.1195 116 -0.84 35
GU.ROTM.HHZ. 2023-09-02T04:33:49.96 0.6 undecidable manual S 265 42.7239 120 0.08 45
GU.CANO.HHZ. 2023-09-02T04:33:48.80 0.1 undecidable manual P 215 91.5417 97 0.23 82
4P.IT06A.HHZ. 2023-09-02T04:33:48.66 0.1 undecidable manual P 244 88.8444 97 0.42 80
4P.IT02A.HHZ. 2023-09-02T04:33:47.85 0.1 undecidable manual P 333 91.5417 96 -0.72 71
IV.MONC.HHZ. 2023-09-02T04:33:47.81 0.3 undecidable manual P 286 78.5658 99 0.84 54
IV.QLNO.HHZ. 2023-09-02T04:33:46.75 0.1 negative manual P 215 75.9684 99 0.1 87
IV.SARZ.HHZ. 2023-09-02T04:33:45.53 0.3 undecidable manual S 144 2.6973 175 0.38 72
GU.RNCA.HHZ. 2023-09-02T04:33:43.07 0.1 undecidable manual P 174 46.4202 116 -0.06 93
GU.ROTM.HHZ. 2023-09-02T04:33:42.79 0.1 positive manual P 265 42.7239 120 0.06 94
GU.GORR.HHZ. 2023-09-02T04:33:42.89 0.3 undecidable manual P 135 44.2224 118 0 68
GU.PCP.HHZ. 2023-09-02T04:33:42.75 0.1 undecidable manual P 216 47.1195 116 -0.47 85
IV.SARZ.HHZ. 2023-09-02T04:33:39.91 0.1 undecidable manual P 144 2.6973 175 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SARZ.HNE. ML:2.7 0.00176 1.66 AML other m 2023-09-02T04:33:45.92
IV.SARZ.HHE. ML:2.7 0.001665 0.78 AML other m 2023-09-02T04:33:46.86
IV.SARZ.HNN. ML:2.8 0.00225 0.56 AML other m 2023-09-02T04:33:46.83
IV.SARZ.HHN. ML:2.7 0.0015049999999999998 0.58 AML other m 2023-09-02T04:33:46.85
GU.PCP.HHN. ML:2.1 0.0002465 0.38 AML other m 2023-09-02T04:33:50.03
GU.ROTM.HHE. ML:2.9 0.0015300000000000001 0.42 AML other m 2023-09-02T04:33:50.28
GU.PCP.HHE. ML:2.2 0.0003035 0.74 AML other m 2023-09-02T04:33:50.14
GU.RNCA.HHN. ML:2.2 0.0003285 0.16 AML other m 2023-09-02T04:33:50.69
GU.RNCA.HHE. ML:2.3 0.00041400000000000003 0.16 AML other m 2023-09-02T04:33:50.73
GU.ROTM.HHN. ML:3.0 0.0022949999999999997 0.26 AML other m 2023-09-02T04:33:50.78
GU.GORR.HHN. ML:1.8 0.0001395 0.76 AML other m 2023-09-02T04:33:52.71
GU.GORR.HHE. ML:1.9 0.0001515 0.76 AML other m 2023-09-02T04:33:55.83
IV.QLNO.HHN. ML:2.1 0.0001435 0.24 AML other m 2023-09-02T04:33:56.87
IV.QLNO.HHE. ML:2.4 0.000292 1.52 AML other m 2023-09-02T04:33:57.88
4P.IT02A.HHE. ML:1.8 0.00007145 1.08 AML other m 2023-09-02T04:33:58.18
4P.IT02A.HHN. ML:1.8 0.00006175 1.1 AML other m 2023-09-02T04:34:00.66
GU.CANO.HHN. ML:2.5 0.000341 0.26 AML other m 2023-09-02T04:34:00.54
IV.MONC.HHE. ML:2.1 0.000136 0.22 AML other m 2023-09-02T04:34:00.82
GU.CANO.HHE. ML:2.7 0.0004555 0.32 AML other m 2023-09-02T04:34:01.58
4P.IT06A.HHE. ML:2.4 0.00023899999999999998 0.34 AML other m 2023-09-02T04:34:02.64
4P.IT06A.HHN. ML:2.3 0.0002 1.62 AML other m 2023-09-02T04:34:03.96
GU.TRAV.HHE. ML:2.2 0.00011295 1.66 AML other m 2023-09-02T04:34:03.14
GU.RORO.HHE. ML:2.0 0.000085 0.76 AML other m 2023-09-02T04:34:04.49
GU.TRAV.HHN. ML:2.2 0.00011549999999999999 1.24 AML other m 2023-09-02T04:34:04.16
GU.GBOS.HHN. ML:1.9 0.0000566 1.7 AML other m 2023-09-02T04:34:04.11
GU.RORO.HHN. ML:2.0 0.00007885 0.5 AML other m 2023-09-02T04:34:05.50
IV.MONC.HHN. ML:2.1 0.000162 0.48 AML other m 2023-09-02T04:34:05.56
CH.MUGIO.HHE. ML:2.5 0.00020500000000000002 0.28 AML other m 2023-09-02T04:34:06.02
GU.GBOS.HHE. ML:1.7 0.000037749999999999996 0.3 AML other m 2023-09-02T04:34:06.77
CH.MUGIO.HHN. ML:2.2 0.00011195 1.08 AML other m 2023-09-02T04:34:07.37
GU.GRAM.HHN. ML:2.7 0.0004445 0.3 AML other m 2023-09-02T04:34:08.24
GU.GRAM.HHE. ML:2.6 0.0003815 0.2 AML other m 2023-09-02T04:34:08.73
GU.CIRO.HHN. ML:1.8 0.00003655 0.2 AML other m 2023-09-02T04:34:08.67
GU.CIRO.HHE. ML:1.8 0.000041349999999999995 0.36 AML other m 2023-09-02T04:34:08.79
IV.MDI.HHE. ML:2.6 0.0002515 1.24 AML other m 2023-09-02T04:34:09.16
IV.PLMA.HHN. ML:2.2 0.0001215 0.44 AML other m 2023-09-02T04:34:09.73
GU.MGRO.HHN. ML:1.8 0.00003725 1.16 AML other m 2023-09-02T04:34:09.28
IV.PLMA.HHE. ML:2.3 0.000131 1.68 AML other m 2023-09-02T04:34:10.87
IV.MDI.HHN. ML:2.4 0.000183 0.14 AML other m 2023-09-02T04:34:10.81
GU.MGRO.HHE. ML:1.9 0.0000448 0.94 AML other m 2023-09-02T04:34:12.14
GU.EQUI.HHE. ML:2.0 0.0000566 1.3 AML other m 2023-09-02T04:34:14.92
GU.EQUI.HHN. ML:2.0 0.00006110000000000001 1.56 AML other m 2023-09-02T04:34:14.02
GU.SATI.HHN. ML:1.8 0.00003735 0.84 AML other m 2023-09-02T04:34:15.96
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