Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 04-02-2024 and time 00:29:31 (UTC) in region 1 km E Calto (RO)

A magnitude ML 1.9 earthquake occured in region: 1 km E Calto (RO), on

  • 04-02-2024 00:29:31 (UTC)
  • 04-02-2024 01:29:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.9940, 11.3760 at 9 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
Calto RO 2 743 743
Felonica MN 2 1359 2102
Ceneselli RO 2 1719 3821
Salara RO 4 1160 4981
Castelmassa RO 6 4252 9233
Sermide MN 6 6189 15422
Ficarolo RO 7 2438 17860
Castelnovo Bariano RO 8 2762 20622
Trecenta RO 8 2805 23427
Gaiba RO 10 1063 24490
Giacciano con Baruchella RO 10 2162 26652
Bagnolo di Po RO 10 1293 27945
Canda RO 11 949 28894
Bergantino RO 12 2565 31459
Carbonara di Po MN 12 1297 32756
Bondeno FE 13 14655 47411
Castelguglielmo RO 13 1580 48991
Castagnaro VR 14 3750 52741
Badia Polesine RO 15 10509 63250
Borgofranco sul Po MN 15 784 64034
Stienta RO 15 3253 67287
Magnacavallo MN 15 1561 68848
Castelbaldo PD 16 1549 70397
Masi PD 16 1805 72202
Melara RO 16 1803 74005
San Bellino RO 17 1118 75123
Occhiobello RO 18 11979 87102
Villa Bartolomea VR 19 5841 92943
Pincara RO 19 1165 94108
Fiesso Umbertiano RO 19 4142 98250
Finale Emilia MO 19 15699 113949
Vigarano Mainarda FE 20 7694 121643
Mirabello FE 20 3266 124909
Merlara PD 20 2691 127600

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Ferrara (133155 inhabitants)
34 Km W of Rovigo (51867 inhabitants)
45 Km NE of Carpi (70699 inhabitants)
52 Km NE of Modena (184973 inhabitants)
56 Km N of Bologna (386663 inhabitants)
58 Km SE of Verona (258765 inhabitants)
61 Km SW of Padova (210401 inhabitants)
63 Km S of Vicenza (112953 inhabitants)
67 Km E of Reggio nell'Emilia (171345 inhabitants)
76 Km NW of Imola (69797 inhabitants)
85 Km E of Parma (192836 inhabitants)
88 Km NW of Faenza (58541 inhabitants)
90 Km SW of Venezia (263352 inhabitants)
91 Km NW of Ravenna (159116 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 2024-02-04
00:29:31		 44.9943 11.3757 9 2024-02-04
00:42:19		 Sala Sismica INGV-Roma 125019131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-04 00:29:31 ± 0.1
Latitude 44.9943 ± 0.0063
Longitude 11.3757 ± 0.0102
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125019131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 886
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 22
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) 1.12055
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 125019131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-04 00:42:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.VNF1.HNZ. 2024-02-04T00:30:30.88 3.0 negative manual Pn -0.74 0
GU.RRL.HHZ. 2024-02-04T00:30:28.84 3.0 undecidable manual Pn 7.82 0
IV.SRES.HHZ. 2024-02-04T00:30:22.62 3.0 positive manual Pg 6.71 0
ST.OZOL.EHZ. 2024-02-04T00:30:17.51 3.0 undecidable manual S 1.8 0
ST.RONC.EHZ. 2024-02-04T00:30:07.19 3.0 undecidable manual S -0.92 0
IV.STAL.HHZ. 2024-02-04T00:30:00.53 3.0 negative manual Pg 2.39 0
OX.MLN.HHZ. 2024-02-04T00:29:59.23 3.0 positive manual P 2.85 0
OX.CIMO.HHZ. 2024-02-04T00:29:57.72 3.0 negative manual P 0.4 0
ST.OZOL.EHZ. 2024-02-04T00:29:57.99 3.0 negative manual P 1.95 0
NI.POLC.HHZ. 2024-02-04T00:29:56.15 3.0 negative manual P 1.77 0
ST.ZIAN.EHZ. 2024-02-04T00:29:55.24 3.0 negative manual P 1.08 0
ST.RONC.EHZ. 2024-02-04T00:29:52.42 3.0 undecidable manual P 0.65 0
OX.VARN.HHZ. 2024-02-04T00:29:51.96 0.1 undecidable manual P 27 124.3866 50 -0.05 86
ST.GAGG.HHZ. 2024-02-04T00:29:51.91 3.0 undecidable manual P -0.01 0
IV.CTI.HHZ. 2024-02-04T00:29:51.20 0.1 undecidable manual P 10 118.7922 50 0.04 87
ST.PANI.EHZ. 2024-02-04T00:29:51.25 3.0 positive manual P 0.29 0
SI.LUSI.HHZ. 2024-02-04T00:29:50.33 0.1 undecidable manual P 343 112.1988 50 0.19 86
4P.IT08A.HHZ. 2024-02-04T00:29:49.03 0.3 undecidable manual S 91 54.4011 50 0.42 68
IV.ASOL.EHZ. 2024-02-04T00:29:48.80 0.1 undecidable manual P 24 98.3238 50 0.8 73
ST.DOSS.HHZ. 2024-02-04T00:29:48.12 0.1 undecidable manual P 352 99.4227 50 -0.04 91
IV.MAGA.HHZ. 2024-02-04T00:29:48.96 0.3 undecidable manual P 326 104.3178 50 0.03 68
2Y.A303A.HHE. 2024-02-04T00:29:45.49 0.6 undecidable manual P 62 83.25 50 -0.19 45
4P.IT09A.HHE. 2024-02-04T00:29:44.85 0.3 undecidable manual S 173 37.3293 50 0.81 61
ZO.PDN9.HHZ.15 2024-02-04T00:29:44.15 0.1 undecidable manual S 336 38.2284 50 -0.14 100
OX.MARN.HHZ. 2024-02-04T00:29:43.91 0.1 undecidable manual P 350 72.5718 50 -0.11 94
IV.TREG.EHZ. 2024-02-04T00:29:42.09 0.1 undecidable manual P 344 60.9945 50 -0.16 96
4P.IT08A.HHZ. 2024-02-04T00:29:41.54 0.1 undecidable manual P 91 54.4011 50 0.3 94
IV.ZOVE.EHZ. 2024-02-04T00:29:40.57 0.1 positive manual P 10 51.7038 50 -0.24 95
IV.TEOL.HHZ. 2024-02-04T00:29:39.73 0.3 undecidable manual P 30 46.9197 50 -0.35 71
ZO.PDN9.HHZ.15 2024-02-04T00:29:38.61 0.1 undecidable manual P 336 38.2284 50 -0.13 100
4P.IT09A.HHE. 2024-02-04T00:29:38.18 0.3 undecidable manual P 173 37.3293 50 -0.42 71
IV.RAVA.EHZ. 2024-02-04T00:29:37.57 0.1 undecidable manual P 217 33.2445 50 -0.41 95
IV.FERS.EHZ. 2024-02-04T00:29:37.49 0.3 undecidable manual S 128 16.3725 119 -0.18 77
IV.SERM.HNZ. 2024-02-04T00:29:35.47 0.3 undecidable manual S 285 6.4935 144 0.43 74
IV.FERS.EHZ. 2024-02-04T00:29:34.43 0.1 undecidable manual P 128 16.3725 119 -0.49 96
IV.SERM.HNZ. 2024-02-04T00:29:33.75 0.3 undecidable manual P 285 6.4935 144 0.35 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERM.EHE. ML:1.5 0.000537 0.24 AML other m 2024-02-04T00:29:36.70
IV.SERM.EHN. ML:1.7 0.0009324999999999998 0.48 AML other m 2024-02-04T00:29:36.76
IV.SERM.HNE. ML:2.0 0.00177 1.74 AML other m 2024-02-04T00:29:37.12
IV.SERM.HNN. ML:2.2 0.0023499999999999997 0.16 AML other m 2024-02-04T00:29:37.25
IV.FERS.EHE. ML:1.9 0.0007289999999999999 1.64 AML other m 2024-02-04T00:29:37.88
IV.FERS.EHN. ML:1.7 0.0004685 0.48 AML other m 2024-02-04T00:29:38.43
IV.TEOL.HHE. ML:1.6 0.00012425 0.28 AML other m 2024-02-04T00:29:49.59
IV.TREG.EHN. ML:1.9 0.0001625 0.5 AML other m 2024-02-04T00:29:50.41
IV.TREG.EHE. ML:1.9 0.0001565 1.04 AML other m 2024-02-04T00:29:50.27
IV.TEOL.HHN. ML:1.6 0.00012035 1.7 AML other m 2024-02-04T00:29:51.13
OX.MARN.HHE. ML:1.9 0.0001325 0.82 AML other m 2024-02-04T00:29:56.35
OX.MARN.HHN. ML:2.1 0.0001865 1.22 AML other m 2024-02-04T00:29:56.05
ST.DOSS.HHE. ML:2.0 0.0000899 0.24 AML other m 2024-02-04T00:30:00.66
ST.DOSS.HHN. ML:1.9 0.00008 0.92 AML other m 2024-02-04T00:30:02.36
IV.MAGA.HHE. ML:2.2 0.00016049999999999997 0.58 AML other m 2024-02-04T00:30:03.90
IV.MAGA.HHN. ML:2.2 0.00014050000000000003 1.5 AML other m 2024-02-04T00:30:03.96
IV.ASOL.EHE. ML:2.1 0.00011949999999999999 0.2 AML other m 2024-02-04T00:30:04.21
SI.LUSI.HHE. ML:2.1 0.00010535 0.12 AML other m 2024-02-04T00:30:05.74
OX.CIMO.HHE. ML:1.4 0.000010865 0.44 AML other m 2024-02-04T00:30:06.07
IV.ASOL.EHN. ML:2.0 0.00009095 0.64 AML other m 2024-02-04T00:30:06.62
ST.GAGG.HHE. ML:2.0 0.0000707 0.5 AML other m 2024-02-04T00:30:08.41
SI.LUSI.HHN. ML:2.2 0.00014150000000000002 0.46 AML other m 2024-02-04T00:30:08.45
ST.PANI.EHE. ML:1.5 0.0000273 1.5 AML other m 2024-02-04T00:30:09.92
ST.RONC.EHE. ML:2.1 0.00009175 0.4 AML other m 2024-02-04T00:30:09.26
ST.GAGG.HHN. ML:2.0 0.0000774 0.56 AML other m 2024-02-04T00:30:10.39
ST.RONC.EHN. ML:2.2 0.00010605 0.24 AML other m 2024-02-04T00:30:11.04
ST.PANI.EHN. ML:1.7 0.00004215 0.42 AML other m 2024-02-04T00:30:14.03
NI.POLC.HHE. ML:1.9 0.0000409 0.56 AML other m 2024-02-04T00:30:17.70
NI.POLC.HHN. ML:2.0 0.000061 0.54 AML other m 2024-02-04T00:30:17.49
IV.STAL.HHN. ML:1.9 0.0000317 0.62 AML other m 2024-02-04T00:30:23.68
IV.STAL.HHE. ML:2.0 0.0000329 0.58 AML other m 2024-02-04T00:30:26.10
OX.CIMO.HHN. ML:1.7 0.000017899999999999998 0.42 AML other m 2024-02-04T00:30:44.21
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