Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 05-10-2023 and time 12:31:18 (UTC) in region 1 km N Lugagnano Val d'Arda (PC)

A magnitude ML 1.8 earthquake occured in region: 1 km N Lugagnano Val d'Arda (PC), on

  • 05-10-2023 12:31:18 (UTC)
  • 05-10-2023 14:31:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8350, 9.8230 at 26 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.

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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
Lugagnano Val d'Arda PC 1 4116 4116
Vernasca PC 4 2131 6247
Castell'Arquato PC 4 4713 10960
Gropparello PC 7 2293 13253
Carpaneto Piacentino PC 9 7715 20968
Fiorenzuola d'Arda PC 13 15297 36265
Salsomaggiore Terme PR 13 19831 56096
Bore PR 13 749 56845
Alseno PC 13 4714 61559
Pellegrino Parmense PR 14 1048 62607
Ponte dell'Olio PC 15 4794 67401
Vigolzone PC 15 4297 71698
Cadeo PC 15 6118 77816
San Giorgio Piacentino PC 15 5792 83608
Morfasso PC 16 1024 84632
Podenzano PC 17 9167 93799
Bettola PC 18 2828 96627
Pontenure PC 19 6512 103139
Fidenza PR 19 26770 129909
Varsi PR 19 1230 131139
Rivergaro PC 20 7005 138144
Besenzone PC 20 978 139122
Cortemaggiore PC 20 4644 143766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Piacenza (102191 inhabitants)
37 Km SW of Cremona (71901 inhabitants)
40 Km W of Parma (192836 inhabitants)
65 Km SE of Pavia (72576 inhabitants)
66 Km W of Reggio nell'Emilia (171345 inhabitants)
81 Km N of La Spezia (93959 inhabitants)
84 Km W of Carpi (70699 inhabitants)
84 Km SW of Brescia (196480 inhabitants)
85 Km NE of Genova (586655 inhabitants)
86 Km SE of Milano (1345851 inhabitants)
87 Km N of Carrara (63133 inhabitants)
90 Km W of Modena (184973 inhabitants)
90 Km SE of Sesto San Giovanni (81608 inhabitants)
92 Km N of Massa (69479 inhabitants)
93 Km SE of Vigevano (63310 inhabitants)
94 Km SE of Cinisello Balsamo (75078 inhabitants)
94 Km SE of Monza (122671 inhabitants)
96 Km E of Alessandria (93943 inhabitants)
96 Km S of Bergamo (119381 inhabitants)
99 Km SE of Rho (50434 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 1.8 2023-10-05
12:31:18		 44.8353 9.8233 26 2023-10-05
13:17:27		 Sala Sismica INGV-Roma 121793091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-05 12:31:18 ± 0.11
Latitude 44.8353 ± 0.0081
Longitude 9.8233 ± 0.0165
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121793091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1462
Semi-minor axis of confidence ellipse (meter) 518
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.31121
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 121793091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-05 13:17:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2023-10-05T12:33:00.34 3.0 undecidable manual Sg 11.78 0
IT.LNT.HGZ. 2023-10-05T12:32:57.53 3.0 undecidable manual Pn -1.3 0
IV.ECTS.HHZ. 2023-10-05T12:32:55.60 3.0 undecidable manual Pn 3.58 0
IV.GATE.HHZ. 2023-10-05T12:32:55.65 3.0 undecidable manual Sn -3.75 0
IV.BSSO.HHZ. 2023-10-05T12:32:52.35 3.0 undecidable manual Sn -2.28 0
IV.VAGA.HHZ. 2023-10-05T12:32:47.81 3.0 undecidable manual Sn -4.55 0
CH.BNALP.HHZ. 2023-10-05T12:32:45.93 3.0 undecidable manual Sg 13.46 0
OX.ACOM.HHZ. 2023-10-05T12:32:34.75 3.0 undecidable manual Sn 2.12 0
IV.GATE.HHZ. 2023-10-05T12:32:16.23 3.0 positive manual Pg 6.02 0
IV.LPEL.HHZ. 2023-10-05T12:32:08.19 3.0 undecidable manual Pg 8.43 0
IV.MABI.HHZ. 2023-10-05T12:31:59.14 0.3 undecidable manual S 21 145.5432 54 -0.14 100
ST.RONC.EHZ. 2023-10-05T12:31:58.73 1.0 undecidable manual S 26 141.4473 54 0.34 33
CH.DIX.HHZ. 2023-10-05T12:31:56.12 3.0 positive manual Pn 2.66 0
MN.TRI.HHZ. 2023-10-05T12:31:54.57 3.0 negative manual Pn 5.03 0
IV.MAGA.HHZ. 2023-10-05T12:31:53.57 0.6 undecidable manual S 31 121.7892 98 -0.45 66
RD.PGF.BHZ. 2023-10-05T12:31:46.58 3.0 undecidable manual Pg 4.86 0
IV.SGAL.HNE. 2023-10-05T12:31:46.02 1.0 undecidable manual S 25 89.3439 101 0.54 35
IV.MABI.HHZ. 2023-10-05T12:31:42.52 1.0 undecidable manual P 21 145.5432 54 0.35 32
ST.RONC.EHZ. 2023-10-05T12:31:41.59 1.0 undecidable manual P 26 141.4473 54 -0.06 34
IV.MAGA.HHZ. 2023-10-05T12:31:39.36 1.0 undecidable manual P 31 121.7892 98 0.23 35
IV.MDI.HHZ. 2023-10-05T12:31:36.38 0.6 negative manual P 355 104.0181 99 -0.05 75
GU.GORR.HHN. 2023-10-05T12:31:34.93 1.0 undecidable manual S 239 48.9177 112 -0.16 42
IV.SGAL.HNE. 2023-10-05T12:31:34.70 1.0 undecidable manual P 25 89.3439 101 0.5 35
IV.CNCS.HNE. 2023-10-05T12:31:34.34 1.0 undecidable manual P 20 90.8424 101 -0.09 38
GU.GRAM.HHZ. 2023-10-05T12:31:33.82 1.0 undecidable manual S 153 42.7239 115 0.24 40
IV.MSSA.HHZ. 2023-10-05T12:31:29.98 1.0 undecidable manual P 203 62.493 107 -0.19 40
GU.GORR.HHN. 2023-10-05T12:31:28.20 1.0 undecidable manual P 239 48.9177 112 0 41
GU.GRAM.HHZ. 2023-10-05T12:31:27.28 1.0 undecidable manual P 153 42.7239 115 -0.05 42
4P.IT07A.HHZ. 2023-10-05T12:31:26.82 0.6 undecidable manual S 14 4.3956 169 0.07 89
4P.IT07A.HHZ. 2023-10-05T12:31:23.19 0.6 positive manual P 14 4.3956 169 -0.19 88
IV.OSSC.HHZ. 2023-10-05T12:31:21.24 3.0 undecidable manual P -2.59 0
IV.ZCCA.HHZ. 2023-10-05T12:31:12.84 3.0 undecidable manual P -0.16 0
IV.BDI.HHZ. 2023-10-05T12:31:09.59 3.0 undecidable manual P -2.13 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:1.4 0.0000249 0.06 AML other m 2023-10-05T12:31:16.45
IV.BDI.HHE. ML:1.7 0.000039099999999999995 0.06 AML other m 2023-10-05T12:31:16.52
4P.IT07A.HHE. ML:2.1 0.0007825 0.18 AML other m 2023-10-05T12:31:27.40
4P.IT07A.HHN. ML:2.3 0.0011200000000000001 0.2 AML other m 2023-10-05T12:31:27.28
IV.MDI.HHN. ML:1.7 0.0000461 0.34 AML other m 2023-10-05T12:31:50.60
IV.MDI.HHE. ML:1.7 0.00004355 0.5 AML other m 2023-10-05T12:31:51.15
IV.MAGA.HHE. ML:2.1 0.00008245 0.74 AML other m 2023-10-05T12:31:56.61
IV.MAGA.HHN. ML:1.8 0.0000473 0.74 AML other m 2023-10-05T12:31:57.07
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