Earthquake with magnitude of ML 2.2 on date 09-10-2023 and time 05:40:53 (Italy) in region 1 km S Gragnano Trebbiense (PC)

A magnitude ML 2.2 earthquake occured in region: 1 km S Gragnano Trebbiense (PC), on

  • 09-10-2023 03:40:53 (UTC)
  • 09-10-2023 05:40:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0000, 9.5740 at 3 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
Gragnano Trebbiense PC 2 4554 4554
Gossolengo PC 3 5637 10191
Gazzola PC 5 2056 12247
Rottofreno PC 7 12127 24374
Agazzano PC 7 2096 26470
Sarmato PC 9 2879 29349
Calendasco PC 10 2514 31863
Rivergaro PC 10 7005 38868
Podenzano PC 10 9167 48035
Borgonovo Val Tidone PC 10 7892 55927
Piozzano PC 10 641 56568
Piacenza PC 11 102191 158759
Vigolzone PC 12 4297 163056
Castel San Giovanni PC 13 13726 176782
Monticelli Pavese PV 13 678 177460
San Rocco al Porto LO 13 3536 180996
Ziano Piacentino PC 13 2556 183552
San Giorgio Piacentino PC 14 5792 189344
Pianello Val Tidone PC 14 2202 191546
Guardamiglio LO 15 2718 194264
Travo PC 16 2087 196351
Ponte dell'Olio PC 16 4794 201145
Badia Pavese PV 16 363 201508
Pieve Porto Morone PV 16 2648 204156
Senna Lodigiana LO 17 1911 206067
Pontenure PC 17 6512 212579
Somaglia LO 17 3811 216390
Fombio LO 18 2328 218718
Orio Litta LO 18 2064 220782
Rovescala PV 18 901 221683
San Damiano al Colle PV 18 656 222339
Chignolo Po PV 18 4017 226356
Bosnasco PV 19 634 226990
Zerbo PV 19 429 227419
Ospedaletto Lodigiano LO 19 1921 229340
Santo Stefano Lodigiano LO 19 1926 231266
San Fiorano LO 19 1822 233088
Carpaneto Piacentino PC 19 7715 240803
Arena Po PV 20 1574 242377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SW of Piacenza (102191 inhabitants)
38 Km SE of Pavia (72576 inhabitants)
38 Km W of Cremona (71901 inhabitants)
60 Km SE of Milano (1345851 inhabitants)
63 Km W of Parma (192836 inhabitants)
65 Km SE of Sesto San Giovanni (81608 inhabitants)
66 Km SE of Vigevano (63310 inhabitants)
68 Km SE of Cinisello Balsamo (75078 inhabitants)
69 Km SE of Monza (122671 inhabitants)
72 Km SE of Rho (50434 inhabitants)
76 Km E of Alessandria (93943 inhabitants)
78 Km S of Bergamo (119381 inhabitants)
79 Km SW of Brescia (196480 inhabitants)
83 Km NE of Genova (586655 inhabitants)
84 Km SE of Legnano (60262 inhabitants)
89 Km SE of Busto Arsizio (83106 inhabitants)
90 Km SE of Novara (104380 inhabitants)
90 Km W of Reggio nell'Emilia (171345 inhabitants)
96 Km SE of Gallarate (53343 inhabitants)
98 Km SE of Como (84495 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 2023-10-09
03:40:53
45.0003 9.5742 3 2023-10-09
04:03:24
Sala Sismica INGV-Roma 121914971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-09 03:40:53 ± 0.21
Latitude 45.0003 ± 0.0072
Longitude 9.5742 ± 0.0127
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121914971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1017
Semi-minor axis of confidence ellipse (meter) 613
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.27344
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 121914971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-09 04:03:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2023-10-09T03:42:45.35 3.0 undecidable manual Sn -4.96 0
IV.MMO1.EHZ. 2023-10-09T03:42:28.27 3.0 undecidable manual Sg 14.2 0
IV.SRES.HHZ. 2023-10-09T03:42:23.13 3.0 undecidable manual Sg 8.81 0
IV.ARVD.HHZ. 2023-10-09T03:42:12.77 3.0 undecidable manual Sg 12.17 0
IV.SACR.HHZ. 2023-10-09T03:42:10.28 3.0 undecidable manual Pn 8.37 0
IV.RCAV.EHZ. 2023-10-09T03:42:01.41 3.0 undecidable manual Pg 16.4 0
IV.MMO1.EHZ. 2023-10-09T03:41:47.91 3.0 undecidable manual Pg 10 0
IV.ARVD.HHZ. 2023-10-09T03:41:42.53 3.0 negative manual Pg 12.19 0
SI.LUSI.HHZ. 2023-10-09T03:41:36.84 3.0 undecidable manual Sn 0.06 0
IV.MABI.HHZ. 2023-10-09T03:41:34.17 3.0 undecidable manual Sn -1.47 0
GU.POPM.HHZ. 2023-10-09T03:41:34.87 0.6 undecidable manual S 138 141.3474 50 -0.23 38
ST.VARA.EHZ. 2023-10-09T03:41:33.79 0.6 undecidable manual S 48 137.862 50 -0.37 37
ST.RONC.EHZ. 2023-10-09T03:41:33.25 3.0 undecidable manual Sn -1.39 0
IV.BDI.HHZ. 2023-10-09T03:41:32.84 0.6 undecidable manual S 142 131.6682 50 0.32 38
IV.MBAL.HHZ. 2023-10-09T03:41:31.22 0.3 undecidable manual S 52 126.5733 50 0.07 61
4P.MUGIO.HHZ. 2023-10-09T03:41:29.82 3.0 undecidable manual S 0
OX.BALD.HHE. 2023-10-09T03:41:29.81 0.6 undecidable manual S 52 123.0879 50 -0.42 38
IV.BAG8.EHZ. 2023-10-09T03:41:28.71 0.3 undecidable manual S 37 114.6963 50 0.73 52
IV.MAGA.HHZ. 2023-10-09T03:41:28.58 0.6 undecidable manual S 43 118.8921 50 -0.53 37
IV.SALO.HHZ. 2023-10-09T03:41:24.92 0.6 undecidable manual S 47 100.9212 50 0.6 38
ST.GAGG.HHZ. 2023-10-09T03:41:19.74 3.0 negative manual Pn 1.25 0
IV.ZOVE.EHZ. 2023-10-09T03:41:18.55 3.0 negative manual Pg 2.95 0
IV.MABI.HHZ. 2023-10-09T03:41:17.61 3.0 negative manual Pn 1.29 0
GU.POPM.HHZ. 2023-10-09T03:41:17.96 0.3 undecidable manual P 138 141.3474 50 0.57 53
SI.LUSI.HHZ. 2023-10-09T03:41:17.78 3.0 positive manual Pn 0.82 0
IV.BDI.HHZ. 2023-10-09T03:41:16.43 0.6 undecidable manual P 142 131.6682 50 0.53 36
ST.VARA.EHZ. 2023-10-09T03:41:16.40 0.6 undecidable manual P 48 137.862 50 -0.45 37
ST.RONC.EHZ. 2023-10-09T03:41:16.52 3.0 undecidable manual Pn 0.76 0
IV.ROVR.HHZ. 2023-10-09T03:41:15.47 3.0 undecidable manual Pg 1.19 0
4P.MUGIO.HHZ. 2023-10-09T03:41:14.47 3.0 undecidable manual P 0
IV.MBAL.HHZ. 2023-10-09T03:41:14.52 0.3 undecidable manual P 52 126.5733 50 -0.59 54
OX.BALD.HHE. 2023-10-09T03:41:14.41 0.3 undecidable manual P 52 123.0879 50 -0.17 60
IV.BAG8.EHZ. 2023-10-09T03:41:13.73 0.6 undecidable manual P 37 114.6963 50 0.45 39
IV.MAGA.HHZ. 2023-10-09T03:41:13.96 0.1 undecidable manual P 43 118.8921 50 0.03 84
IV.SALO.HHZ. 2023-10-09T03:41:11.48 0.6 undecidable manual P 47 100.9212 50 0.31 41
IV.ZCCA.HNZ. 2023-10-09T03:41:11.08 3.0 undecidable manual Pg 3.29 0
GU.GORR.HHZ. 2023-10-09T03:41:10.40 0.3 undecidable manual S 207 48.9177 94 0.18 70
IV.MSSA.HHZ. 2023-10-09T03:41:06.63 0.1 undecidable manual P 183 76.0683 50 -0.69 76
GU.GORR.HHZ. 2023-10-09T03:41:03.06 0.1 undecidable manual P 207 48.9177 94 0.04 96
4P.IT07A.HHZ. 2023-10-09T03:41:01.85 0.3 undecidable manual S 124 24.9528 98 -0.08 74
4P.IT07A.HHZ. 2023-10-09T03:40:58.26 0.1 negative manual P 124 24.9528 98 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
4P.IT07A.HHE. ML:2.6 0.002895 0.16 AML other m 2023-10-09T03:41:02.40
4P.IT07A.HHN. ML:2.8 0.004155 0.26 AML other m 2023-10-09T03:41:02.31
GU.GORR.HHE. ML:1.8 0.00017199999999999998 0.34 AML other m 2023-10-09T03:41:11.07
GU.GORR.HHN. ML:1.7 0.0001348181 3.28 AML other m 2023-10-09T03:41:11.70
IV.SALO.HHN. ML:2.0 0.000110634135 0.2208 AML other m 2023-10-09T03:41:27.35
IV.SALO.HHE. ML:2.0 0.00009407974999999999 0.2608 AML other m 2023-10-09T03:41:27.50
IV.BAG8.EHN. ML:2.3 0.00016938795 0.1408 AML other m 2023-10-09T03:41:30.77
IV.BAG8.EHE. ML:2.4 0.00019997490000000002 0.1584 AML other m 2023-10-09T03:41:37.19
IV.BAG8.HNE. ML:2.4 0.0002059684 0.1808 AML other m 2023-10-09T03:41:37.10
IV.MAGA.HHN. ML:2.3 0.0001505 1.64 AML other m 2023-10-09T03:41:30.06
IV.ROVR.HHE. ML:2.0 0.00006345 0.88 AML other m 2023-10-09T03:41:33.02
IV.BDI.HHE. ML:2.0 0.0000578 0.9 AML other m 2023-10-09T03:41:34.63
IV.MABI.HHN. ML:1.7 0.00002845 1.66 AML other m 2023-10-09T03:41:34.13
ST.RONC.EHE. ML:2.4 0.000145 0.2 AML other m 2023-10-09T03:41:35.73
ST.VARA.EHN. ML:2.3 0.00011350000000000001 0.32 AML other m 2023-10-09T03:41:35.73
IV.MABI.HHE. ML:1.7 0.00002955 1.62 AML other m 2023-10-09T03:41:35.95
IV.BDI.HHN. ML:1.8 0.000042305605 0.1808 AML other m 2023-10-09T03:41:34.74
GU.POPM.HHE. ML:2.0 0.000049500000000000004 0.76 AML other m 2023-10-09T03:41:37.44
IV.BAG8.HNN. ML:2.5 0.0002485 0.76 AML other m 2023-10-09T03:41:37.24
IV.ZOVE.EHE. ML:2.3 0.00008585000000000001 0.28 AML other m 2023-10-09T03:41:37.44
IV.ROVR.HHN. ML:2.4 0.000148 0.94 AML other m 2023-10-09T03:41:37.57
IV.ZOVE.EHN. ML:2.1 0.00006145 0.68 AML other m 2023-10-09T03:41:37.39
GU.POPM.HHN. ML:1.8 0.000041700000000000004 1.22 AML other m 2023-10-09T03:41:37.21
SI.LUSI.HHE. ML:2.2 0.00007764999999999999 0.34 AML other m 2023-10-09T03:41:37.95
IV.MAGA.HHE. ML:2.4 0.00018108544999999998 0.44 AML other m 2023-10-09T03:41:33.87
ST.VARA.EHE. ML:2.3 0.0001285 0.46 AML other m 2023-10-09T03:41:41.26
ST.GAGG.HHN. ML:1.9 0.000034 0.58 AML other m 2023-10-09T03:41:42.11
ST.RONC.EHN. ML:2.4 0.000143930615 1.7408 AML other m 2023-10-09T03:41:35.21
ST.GAGG.HHE. ML:1.9 0.000037 0.24 AML other m 2023-10-09T03:41:45.29
SI.LUSI.HHN. ML:2.3 0.000111 0.22 AML other m 2023-10-09T03:41:47.45
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