Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-12-2023 and time 15:20:22 (Italy) in region 3 km W Trecenta (RO)

A magnitude ML 1.9 earthquake occured in region: 3 km W Trecenta (RO), on

  • 09-12-2023 14:20:22 (UTC)
  • 09-12-2023 15:20:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.0240, 11.4260 at 7 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
Trecenta RO 3 2805 2805
Salara RO 4 1160 3965
Ceneselli RO 5 1719 5684
Giacciano con Baruchella RO 5 2162 7846
Bagnolo di Po RO 6 1293 9139
Calto RO 7 743 9882
Canda RO 7 949 10831
Felonica MN 7 1359 12190
Ficarolo RO 8 2438 14628
Castelguglielmo RO 9 1580 16208
Castelmassa RO 9 4252 20460
Gaiba RO 10 1063 21523
Badia Polesine RO 10 10509 32032
Sermide MN 10 6189 38221
Masi PD 11 1805 40026
Castelnovo Bariano RO 11 2762 42788
Castagnaro VR 11 3750 46538
Castelbaldo PD 11 1549 48087
San Bellino RO 13 1118 49205
Stienta RO 13 3253 52458
Bergantino RO 14 2565 55023
Pincara RO 15 1165 56188
Piacenza d'Adige PD 15 1341 57529
Lendinara RO 15 11873 69402
Carbonara di Po MN 15 1297 70699
Bondeno FE 15 14655 85354
Fiesso Umbertiano RO 16 4142 89496
Merlara PD 16 2691 92187
Villa Bartolomea VR 16 5841 98028
Terrazzo VR 17 2242 100270
Occhiobello RO 17 11979 112249
Fratta Polesine RO 17 2694 114943
Borgofranco sul Po MN 18 784 115727
Villanova del Ghebbo RO 18 2022 117749
Sant'Urbano PD 18 2064 119813
Melara RO 18 1803 121616
Casale di Scodosia PD 19 4859 126475
Urbana PD 19 2145 128620
Magnacavallo MN 19 1561 130181

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Ferrara (133155 inhabitants)
29 Km W of Rovigo (51867 inhabitants)
50 Km NE of Carpi (70699 inhabitants)
55 Km SW of Padova (210401 inhabitants)
57 Km SE of Verona (258765 inhabitants)
58 Km NE of Modena (184973 inhabitants)
59 Km S of Vicenza (112953 inhabitants)
59 Km N of Bologna (386663 inhabitants)
72 Km E of Reggio nell'Emilia (171345 inhabitants)
78 Km NW of Imola (69797 inhabitants)
85 Km SW of Venezia (263352 inhabitants)
90 Km NW of Faenza (58541 inhabitants)
90 Km E of Parma (192836 inhabitants)
91 Km NW of Ravenna (159116 inhabitants)
96 Km SW of Treviso (83731 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 1.9 2023-12-09
14:20:22		 45.0242 11.426 7 2023-12-09
14:37:59		 Sala Sismica INGV-Roma 123919551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-09 14:20:22 ± 0.11
Latitude 45.0242 ± 0.0090
Longitude 11.4260 ± 0.0115
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123919551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1078
Semi-minor axis of confidence ellipse (meter) 724
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 28
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) 1.52705
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 123919551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-09 14:37:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2023-12-09T14:22:20.33 3.0 undecidable manual Sn 0.05 0
IV.CQUE.HHZ. 2023-12-09T14:21:39.29 3.0 positive manual Pn 4.67 0
IV.IOCA.HHZ. 2023-12-09T14:21:33.51 3.0 negative manual Pn -1.76 0
IV.ARVD.HHZ. 2023-12-09T14:21:24.90 3.0 undecidable manual Sg 0.42 0
IV.CERT.HHZ. 2023-12-09T14:21:19.64 3.0 undecidable manual Pn 3.2 0
IV.FIAM.HHZ. 2023-12-09T14:21:17.12 3.0 positive manual Pg 4.21 0
IV.GUMA.HHZ. 2023-12-09T14:21:08.66 3.0 positive manual Pg 4.19 0
ST.RONC.EHZ. 2023-12-09T14:20:58.21 0.3 undecidable manual S 330 123.0879 50 -0.1 63
ST.VARA.EHZ. 2023-12-09T14:20:51.03 0.3 undecidable manual S 335 98.0241 50 -0.6 59
IV.STAL.HHZ. 2023-12-09T14:20:51.15 0.3 undecidable manual P 36 169.497 50 0.97 41
ST.DOSS.HHZ. 2023-12-09T14:20:50.88 0.3 undecidable manual S 349 96.8253 50 -0.42 62
IV.APPI.EHZ. 2023-12-09T14:20:49.74 0.3 undecidable manual P 355 162.1155 50 0.7 48
ST.ZIAN.EHZ. 2023-12-09T14:20:45.92 0.3 undecidable manual P 4 139.3605 50 0.39 58
ST.RONC.EHZ. 2023-12-09T14:20:43.53 0.3 undecidable manual P 330 123.0879 50 0.5 58
OX.MARN.HHZ. 2023-12-09T14:20:43.90 0.3 undecidable manual S 346 70.0743 50 -0.28 68
ZO.PDN7.HNZ. 2023-12-09T14:20:42.16 0.3 undecidable manual S 328 65.1903 50 -0.69 61
OX.VARN.HHZ. 2023-12-09T14:20:42.77 0.3 undecidable manual P 26 119.6913 50 0.27 62
IV.CTI.HHZ. 2023-12-09T14:20:42.14 0.6 undecidable manual P 9 114.8961 50 0.37 41
ST.PANI.EHZ. 2023-12-09T14:20:41.93 0.1 undecidable manual P 356 113.997 50 0.3 83
SI.LUSI.HHZ. 2023-12-09T14:20:41.37 0.3 undecidable manual P 340 110.3118 50 0.31 62
IV.LMD.HHN. 2023-12-09T14:20:40.65 0.3 undecidable manual P 168 107.3148 50 0.05 66
IV.MAGA.HHZ. 2023-12-09T14:20:40.04 0.3 undecidable manual P 324 103.9182 50 -0.04 67
ST.DOSS.HHZ. 2023-12-09T14:20:39.03 0.1 undecidable manual P 349 96.8253 50 0.05 90
ST.VARA.EHZ. 2023-12-09T14:20:39.24 0.3 undecidable manual P 335 98.0241 50 0.07 67
IV.ZOVE.EHZ. 2023-12-09T14:20:38.14 0.3 undecidable manual S 6 47.9187 50 -0.1 73
IV.VISG.HHN. 2023-12-09T14:20:38.86 0.3 undecidable manual P 180 92.6406 50 0.52 61
IV.TEOL.HHZ. 2023-12-09T14:20:36.62 0.3 undecidable manual S 27 42.1245 50 -0.09 74
OX.MARN.HHZ. 2023-12-09T14:20:35.18 0.1 undecidable manual P 346 70.0743 50 0.31 90
ZO.PDN7.HNZ. 2023-12-09T14:20:33.61 0.1 undecidable manual P 328 65.1903 50 -0.49 87
IV.ZOVE.EHZ. 2023-12-09T14:20:31.28 0.3 undecidable manual P 6 47.9187 50 -0.16 73
IV.TEOL.HHZ. 2023-12-09T14:20:30.51 0.1 undecidable manual P 27 42.1245 50 -0.05 100
IV.FERS.EHZ. 2023-12-09T14:20:27.82 0.3 undecidable manual S 146 16.1727 114 -0.45 72
IV.SERM.HNZ. 2023-12-09T14:20:26.88 0.3 undecidable manual S 261 10.2786 125 0.36 74
IV.FERS.EHZ. 2023-12-09T14:20:25.21 0.1 undecidable manual P 146 16.1727 114 -0.47 96
IV.SERM.HNZ. 2023-12-09T14:20:24.46 0.3 undecidable manual P 261 10.2786 125 -0.21 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERM.EHN. ML:1.7 0.000704 0.12 AML other m 2023-12-09T14:20:27.47
IV.SERM.EHE. ML:1.4 0.000372 0.12 AML other m 2023-12-09T14:20:27.61
IV.SERM.HNE. ML:1.9 0.0011808793 0.128 AML other m 2023-12-09T14:20:28.03
OX.MARN.HHE. ML:1.8 0.00010733434 0.1408 AML other m 2023-12-09T14:20:47.48
OX.MARN.HHN. ML:2.0 0.00015712809999999998 0.1152 AML other m 2023-12-09T14:20:47.37
ST.VARA.EHN. ML:2.0 0.0001023 1.02 AML other m 2023-12-09T14:20:53.02
ST.DOSS.HHN. ML:1.7 0.000055078165 0.1216 AML other m 2023-12-09T14:20:51.80
ST.DOSS.HHE. ML:1.8 0.00005938586 0.1792 AML other m 2023-12-09T14:20:52.14
ST.VARA.EHE. ML:2.3 0.00018268365 0.1216 AML other m 2023-12-09T14:20:53.99
IV.MAGA.HHN. ML:2.0 0.00009316936500000001 0.2368 AML other m 2023-12-09T14:20:55.56
IV.MAGA.HHE. ML:2.1 0.00011688679999999998 0.3584 AML other m 2023-12-09T14:20:55.35
SI.LUSI.HHE. ML:2.0 0.00007865 0.12 AML other m 2023-12-09T14:20:56.47
IV.CTI.HHE. ML:1.9 0.00006487288499999999 0.1216 AML other m 2023-12-09T14:20:58.68
IV.CTI.HHN. ML:1.9 0.00006483144000000001 0.1792 AML other m 2023-12-09T14:20:57.78
SI.LUSI.HHN. ML:2.1 0.00011149999999999999 0.16 AML other m 2023-12-09T14:20:58.42
ST.RONC.EHE. ML:2.0 0.00006366885535 0.224 AML other m 2023-12-09T14:21:00.21
ST.RONC.EHN. ML:2.1 0.00008669999999999999 0.18 AML other m 2023-12-09T14:21:00.40
OX.MARN.HNN. ML:1.6 0.000065657885 0.1152 AML other m 2023-12-09T14:20:47.37
ST.VARA.HNE. ML:2.3 0.000188280255 0.1216 AML other m 2023-12-09T14:20:53.99
ST.VARA.HNN. ML:2.0 0.00009287416000000002 0.224 AML other m 2023-12-09T14:20:51.64
IV.MAGA.HNE. ML:2.3 0.0001764194 0.6144 AML other m 2023-12-09T14:20:53.62
IV.MAGA.HNN. ML:1.8 0.000060121099999999996 0.4416 AML other m 2023-12-09T14:20:55.76
ST.PANI.EHE. ML:1.5 0.000025286983 0.1344 AML other m 2023-12-09T14:20:58.02
ST.PANI.EHN. ML:1.6 0.000029733950000000004 0.1408 AML other m 2023-12-09T14:20:58.39
ST.ZIAN.EHE. ML:1.9 0.000045649175 0.2048 AML other m 2023-12-09T14:21:02.98
ST.ZIAN.HNN. ML:2.1 0.00008157705 0.6016 AML other m 2023-12-09T14:21:04.93
IV.APPI.EHE. ML:1.8 0.000029502185 0.3008 AML other m 2023-12-09T14:21:10.40
IV.APPI.EHN. ML:1.8 0.000031169625 0.3392 AML other m 2023-12-09T14:21:13.06
IV.STAL.HHE. ML:1.7 0.00001959851 0.1792 AML other m 2023-12-09T14:21:17.70
IV.STAL.HHN. ML:1.7 0.0000183176505 0.16 AML other m 2023-12-09T14:21:16.78
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