Earthquake with magnitude of ML 2.1 on date 27-09-2023 and time 14:04:28 (UTC) in region 3 km S Vigolzone (PC)

A magnitude ML 2.1 earthquake occured in region: 3 km S Vigolzone (PC), on

  • 27-09-2023 14:04:28 (UTC)
  • 27-09-2023 16:04:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8860, 9.6760 at 11 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
Vigolzone PC 3 4297 4297
Ponte dell'Olio PC 3 4794 9091
Rivergaro PC 7 7005 16096
Gropparello PC 7 2293 18389
Podenzano PC 8 9167 27556
San Giorgio Piacentino PC 9 5792 33348
Carpaneto Piacentino PC 10 7715 41063
Travo PC 11 2087 43150
Gazzola PC 13 2056 45206
Bettola PC 13 2828 48034
Lugagnano Val d'Arda PC 14 4116 52150
Agazzano PC 14 2096 54246
Gossolengo PC 14 5637 59883
Piozzano PC 15 641 60524
Vernasca PC 15 2131 62655
Pontenure PC 15 6512 69167
Castell'Arquato PC 16 4713 73880
Gragnano Trebbiense PC 16 4554 78434
Cadeo PC 17 6118 84552
Morfasso PC 18 1024 85576
Piacenza PC 19 102191 187767
Fiorenzuola d'Arda PC 19 15297 203064

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Piacenza (102191 inhabitants)
39 Km SW of Cremona (71901 inhabitants)
52 Km W of Parma (192836 inhabitants)
52 Km SE of Pavia (72576 inhabitants)
75 Km SE of Milano (1345851 inhabitants)
78 Km W of Reggio nell'Emilia (171345 inhabitants)
79 Km NE of Genova (586655 inhabitants)
80 Km SE of Sesto San Giovanni (81608 inhabitants)
80 Km SE of Vigevano (63310 inhabitants)
83 Km SE of Cinisello Balsamo (75078 inhabitants)
84 Km E of Alessandria (93943 inhabitants)
84 Km SE of Monza (122671 inhabitants)
84 Km SW of Brescia (196480 inhabitants)
87 Km SE of Rho (50434 inhabitants)
87 Km N of La Spezia (93959 inhabitants)
90 Km S of Bergamo (119381 inhabitants)
96 Km NW of Carrara (63133 inhabitants)
96 Km W of Carpi (70699 inhabitants)
99 Km SE of Legnano (60262 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 2.1 2023-09-27
14:04:28
44.8862 9.6763 11 2023-09-27
14:12:36
Sala Sismica INGV-Roma 121516001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-27 14:04:28 ± 0.25
Latitude 44.8862 ± 0.0297
Longitude 9.6763 ± 0.0305
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121516001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3661
Semi-minor axis of confidence ellipse (meter) 1778
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 3660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.38316
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 121516001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-27 14:12:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2023-09-27T14:06:06.98 3.0 undecidable manual Sg 7.87 0
IV.VAGA.HHZ. 2023-09-27T14:05:54.52 3.0 positive manual Pg 15.38 0
IV.PTRJ.HHZ. 2023-09-27T14:05:47.99 3.0 negative manual Pn 6.27 0
IV.ARVD.HHZ. 2023-09-27T14:05:42.37 3.0 undecidable manual Sn -1.11 0
IV.CERT.HHZ. 2023-09-27T14:05:39.93 3.0 positive manual Pg 14.69 0
IV.MMO1.EHZ. 2023-09-27T14:05:28.61 3.0 undecidable manual Pg 10.27 0
IV.MOMA.HHZ. 2023-09-27T14:05:16.22 3.0 undecidable manual Pn 2.63 0
MN.TUE.HHZ. 2023-09-27T14:05:16.60 3.0 undecidable manual Sg 0.96 0
GU.RORO.HHZ. 2023-09-27T14:05:12.41 0.3 undecidable manual S 237 153.5352 50 -0.09 60
IV.PII.HHZ. 2023-09-27T14:05:10.81 0.3 undecidable manual S 152 145.6431 50 0.42 57
ST.VARA.EHZ. 2023-09-27T14:05:07.22 3.0 undecidable manual S -0.09 0
SI.LUSI.HHZ. 2023-09-27T14:05:07.12 3.0 undecidable manual Sn -3.16 0
IV.MABI.HHZ. 2023-09-27T14:05:06.93 3.0 undecidable manual S -1.25 0
IV.ROVR.HHZ. 2023-09-27T14:05:06.68 3.0 undecidable manual S 0.08 0
ST.RONC.EHZ. 2023-09-27T14:05:06.91 3.0 undecidable manual S -0.58 0
GU.PCP.HHZ. 2023-09-27T14:05:03.21 3.0 undecidable manual S 247 97.0251 50 5.81 0
GU.RORO.HHZ. 2023-09-27T14:05:02.92 3.0 undecidable manual P 237 153.5352 50 8.81 0
IV.MAGA.HHZ. 2023-09-27T14:05:01.62 3.0 undecidable manual S -1.79 0
IV.SALO.HHZ. 2023-09-27T14:04:59.16 3.0 undecidable manual S -0.12 0
IV.SFI.EHZ. 2023-09-27T14:04:59.73 3.0 negative manual Pn 1.51 0
IV.PII.HHZ. 2023-09-27T14:04:53.12 0.1 undecidable manual P 152 145.6431 50 0.23 79
ST.DOSS.HHZ. 2023-09-27T14:04:52.36 3.0 undecidable manual Pn -0.23 0
SI.LUSI.HHZ. 2023-09-27T14:04:51.78 3.0 positive manual Pn 0.03 0
IV.MABI.HHZ. 2023-09-27T14:04:51.24 3.0 negative manual P 0.67 0
ST.VARA.EHZ. 2023-09-27T14:04:50.36 3.0 positive manual P 0.28 0
IV.ROVR.HHZ. 2023-09-27T14:04:49.32 3.0 undecidable manual P -0.36 0
ST.RONC.EHZ. 2023-09-27T14:04:49.93 3.0 undecidable manual P -0.25 0
GU.GRAM.HHZ. 2023-09-27T14:04:46.52 0.6 undecidable manual S 145 53.502 50 0.72 41
GU.PCP.HHZ. 2023-09-27T14:04:46.89 0.6 undecidable manual P 247 97.0251 50 1.5 26
IV.MAGA.HHZ. 2023-09-27T14:04:45.10 3.0 undecidable manual P -2.79 0
IV.SALO.HHZ. 2023-09-27T14:04:45.72 3.0 undecidable manual P 0.15 0
IV.MDI.HHZ. 2023-09-27T14:04:44.46 3.0 undecidable manual P -0.38 0
GU.EQUI.HHZ. 2023-09-27T14:04:44.04 0.1 undecidable manual P 155 88.3449 50 -0.02 93
GU.GORR.HHZ. 2023-09-27T14:04:44.52 0.6 undecidable manual S 224 43.2234 50 1.46 29
IV.PLMA.HHZ. 2023-09-27T14:04:44.24 0.1 undecidable manual P 171 93.8394 50 -0.67 78
GU.GRAM.HHZ. 2023-09-27T14:04:37.90 0.1 undecidable manual P 145 53.502 50 -0.8 80
IV.PCN.EHZ. 2023-09-27T14:04:36.79 0.3 undecidable manual S 13 16.9719 122 0.82 63
GU.GORR.HHZ. 2023-09-27T14:04:36.79 0.1 positive manual P 224 43.2234 50 -0.32 95
4P.IT07A.HHZ. 2023-09-27T14:04:35.92 0.6 undecidable manual S 96 12.6762 130 1.15 36
IV.PCN.EHZ. 2023-09-27T14:04:32.38 0.1 positive manual P 13 16.9719 122 -0.64 91
4P.IT07A.HHZ. 2023-09-27T14:04:31.98 0.1 positive manual P 96 12.6762 130 -0.34 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
4P.IT07A.HHE. ML:2.5 0.00365 0.22 AML other m 2023-09-27T14:04:36.04
4P.IT07A.HHN. ML:2.8 0.006275 0.22 AML other m 2023-09-27T14:04:36.02
IV.PCN.HNE. ML:2.1 0.0011870000000000001 0.82 AML other m 2023-09-27T14:04:37.45
IV.PCN.EHE. ML:2.1 0.001177 0.84 AML other m 2023-09-27T14:04:37.46
IV.PCN.EHN. ML:2.7 0.004634999999999999 0.52 AML other m 2023-09-27T14:04:37.45
IV.PCN.HNN. ML:2.7 0.004435000000000001 0.52 AML other m 2023-09-27T14:04:37.45
GU.GORR.HHE. ML:1.7 0.0001705 1.04 AML other m 2023-09-27T14:04:44.88
GU.GORR.HHN. ML:1.7 0.000164 0.3 AML other m 2023-09-27T14:04:47.24
GU.GRAM.HHE. ML:2.0 0.00022600000000000002 0.22 AML other m 2023-09-27T14:04:48.17
GU.GRAM.HHN. ML:2.0 0.0002395 1.64 AML other m 2023-09-27T14:04:48.95
GU.EQUI.HHE. ML:1.7 0.00005295 0.42 AML other m 2023-09-27T14:04:59.75
GU.EQUI.HHN. ML:1.6 0.0000435 1.48 AML other m 2023-09-27T14:05:00.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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