Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 28-07-2023 and time 21:58:43 (Italy) in region Costa Ferrarese (Ferrara)

A magnitude ML 2.3 earthquake occured in region: Costa Ferrarese (Ferrara), on

  • 28-07-2023 19:58:43 (UTC)
  • 28-07-2023 21:58:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6660, 12.2780 at 2 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
Comacchio FE 8 22566 22566
Lagosanto FE 16 4908 27474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Ravenna (159116 inhabitants)
53 Km NE of Faenza (58541 inhabitants)
53 Km NE of Forlì (117913 inhabitants)
55 Km E of Ferrara (133155 inhabitants)
57 Km NE of Imola (69797 inhabitants)
59 Km N of Cesena (96758 inhabitants)
59 Km SE of Rovigo (51867 inhabitants)
71 Km NW of Rimini (147750 inhabitants)
76 Km E of Bologna (386663 inhabitants)
86 Km S of Venezia (263352 inhabitants)
88 Km SE of Padova (210401 inhabitants)
98 Km NW of Pesaro (94582 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 2.3 2023-07-28
19:58:43		 44.6658 12.2777 2 2023-07-28
20:23:35		 Sala Sismica INGV-Roma 119667511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-28 19:58:43 ± 0.35
Latitude 44.6658 ± 0.0081
Longitude 12.2777 ± 0.0202
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119667511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1236
Semi-minor axis of confidence ellipse (meter) 1047
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16372
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 86
Type of magnitude ML
Reference to an origin 119667511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-28 20:23:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2023-07-28T20:00:43.70 3.0 undecidable manual Pg 19.32 0
IX.NSC3.EHZ.02 2023-07-28T20:00:40.72 3.0 undecidable manual Sn -1.93 0
IV.MTMR.EHZ. 2023-07-28T20:00:37.10 3.0 undecidable manual Sn -2.95 0
IV.RCAV.EHZ. 2023-07-28T20:00:16.85 3.0 undecidable manual Sg 11.54 0
IV.INTR.HHZ. 2023-07-28T20:00:14.53 3.0 undecidable manual Sg 7.44 0
OX.DRE.HHZ. 2023-07-28T19:59:38.06 3.0 undecidable manual Sn -2.61 0
IV.RIBO.EHZ. 2023-07-28T19:59:34.76 3.0 undecidable manual Sn -6.37 0
IV.MAGA.HHZ. 2023-07-28T19:59:34.88 3.0 undecidable manual Sg 1.77 0
OX.SABO.HHZ. 2023-07-28T19:59:33.16 3.0 undecidable manual Sn -3.77 0
ST.PANI.EHZ. 2023-07-28T19:59:33.02 3.0 undecidable manual Sg 0.88 0
OX.CAE.HHZ. 2023-07-28T19:59:31.22 3.0 undecidable manual Sg 2.35 0
IV.SSFR.HHZ. 2023-07-28T19:59:28.90 3.0 undecidable manual Sg 1.79 0
SL.BOJS.BHZ. 2023-07-28T19:59:27.87 3.0 negative manual Pn 5.22 0
IV.ROVR.HHZ. 2023-07-28T19:59:25.97 3.0 undecidable manual Sg 0.2 0
IV.FRON.EHZ. 2023-07-28T19:59:25.15 3.0 undecidable manual Sg 0.25 0
IV.MPAG.EHZ. 2023-07-28T19:59:21.23 0.3 undecidable manual S 161 121.1898 50 0.44 66
IV.PARC.HHZ. 2023-07-28T19:59:19.07 0.3 undecidable manual S 182 112.8981 50 0.51 66
ST.RONC.EHZ. 2023-07-28T19:59:18.27 3.0 positive manual Pg 4.74 0
IV.PTCC.HHZ. 2023-07-28T19:59:16.95 3.0 undecidable manual Pn -0.02 0
IV.MGAB.HHZ. 2023-07-28T19:59:16.27 3.0 undecidable manual Pg 2.25 0
IV.ZOVE.EHZ. 2023-07-28T19:59:16.06 0.3 undecidable manual S 325 107.115 50 -0.95 55
IV.MF5.EHZ. 2023-07-28T19:59:16.51 3.0 undecidable manual Pn 0 0
NI.PALA.HHZ. 2023-07-28T19:59:16.40 3.0 negative manual Pg 3.09 0
IV.SEI.HHZ. 2023-07-28T19:59:15.15 0.3 undecidable manual S 227 99.6225 50 0.14 73
ST.ZIAN.EHZ. 2023-07-28T19:59:15.94 3.0 undecidable manual Pg 2.82 0
IV.ASSB.HHZ. 2023-07-28T19:59:14.97 3.0 negative manual Pg 2.13 0
OX.DRE.HHZ. 2023-07-28T19:59:14.62 3.0 positive manual Pn -1.02 0
IV.FDMO.HHZ. 2023-07-28T19:59:13.99 3.0 undecidable manual P -0.26 0
IV.MAGA.HHZ. 2023-07-28T19:59:13.72 3.0 positive manual P 2.33 0
IV.MML1.EHZ. 2023-07-28T19:59:12.90 3.0 undecidable manual P 0.06 0
OX.SABO.HHZ. 2023-07-28T19:59:12.30 3.0 positive manual Pn -1.24 0
SI.LUSI.HHZ. 2023-07-28T19:59:12.56 3.0 undecidable manual P 1.07 0
IV.SFI.EHZ. 2023-07-28T19:59:11.92 0.3 undecidable manual S 202 91.1421 50 -0.82 60
NI.POLC.HHZ. 2023-07-28T19:59:11.31 3.0 negative manual P 1.95 0
OX.VARN.HHZ. 2023-07-28T19:59:10.27 3.0 negative manual Pg 1.72 0
ST.PANI.EHZ. 2023-07-28T19:59:10.87 3.0 undecidable manual P 0.02 0
ST.VARA.EHZ. 2023-07-28T19:59:10.26 3.0 positive manual P 0.01 0
OX.MLN.HHZ. 2023-07-28T19:59:10.27 3.0 negative manual P -0.96 0
IV.CTI.HHZ. 2023-07-28T19:59:09.48 3.0 undecidable manual P -0.41 0
IV.SSFR.HHZ. 2023-07-28T19:59:08.34 3.0 positive manual P 0.32 0
IV.ARVD.HHZ. 2023-07-28T19:59:08.34 3.0 negative manual P 0.45 0
IV.ASOL.HNN. 2023-07-28T19:59:07.24 0.1 undecidable manual P 347 129.1707 50 0.84 74
IV.CSNT.HHZ. 2023-07-28T19:59:07.97 3.0 undecidable manual P -0.39 0
IV.ATPI.EHZ. 2023-07-28T19:59:07.18 3.0 positive manual P 0.33 0
OX.MARN.HHZ. 2023-07-28T19:59:06.35 3.0 negative manual Pn -0.05 0
IV.ZEN8.EHZ. 2023-07-28T19:59:06.14 3.0 positive manual P -3.22 0
IV.ROVR.HHZ. 2023-07-28T19:59:06.81 3.0 undecidable manual P -0.46 0
IV.CRE.HHZ. 2023-07-28T19:59:05.17 0.1 undecidable manual P 193 118.992 50 0.34 90
IV.PIEI.HHZ. 2023-07-28T19:59:05.60 0.3 undecidable manual P 171 127.0728 50 -0.47 64
IV.MPAG.EHZ. 2023-07-28T19:59:04.87 0.3 undecidable manual P 161 121.1898 50 -0.3 68
IV.NARO.HHZ. 2023-07-28T19:59:04.67 0.3 undecidable manual P 168 119.4915 50 -0.23 69
IV.PARC.HHZ. 2023-07-28T19:59:03.87 0.3 undecidable manual P 182 112.8981 50 -0.02 73
IV.IMOL.EHN. 2023-07-28T19:59:03.11 0.1 undecidable manual S 231 54.3012 92 0.43 100
IV.MOCL.EHZ. 2023-07-28T19:59:03.76 0.1 undecidable manual P 230 113.7972 50 -0.27 92
IV.ZOVE.EHZ. 2023-07-28T19:59:02.54 0.1 undecidable manual P 325 107.115 50 -0.45 90
IV.RAVA.EHE. 2023-07-28T19:59:01.17 0.1 undecidable manual P 277 91.9413 50 0.52 91
IV.SERM.EHZ. 2023-07-28T19:59:00.22 0.1 undecidable manual P 297 86.1471 50 0.46 94
IV.SEI.HHZ. 2023-07-28T19:58:59.41 3.0 undecidable manual P 227 99.6225 50 -2.43 0
IV.SFI.EHZ. 2023-07-28T19:58:58.54 3.0 undecidable manual P 202 91.1421 50 -1.99 0
IV.IMOL.EHN. 2023-07-28T19:58:53.86 0.1 undecidable manual P 231 54.3012 92 -0.86 85
4P.IT08A.HHZ. 2023-07-28T19:58:51.73 0.3 undecidable manual P 335 38.9277 92 0.09 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
4P.IT08A.HHN. ML:2.3 0.0007210000000000001 0.46 AML other m 2023-07-28T19:59:00.67
4P.IT08A.HHE. ML:2.1 0.00048118575 0.32 AML other m 2023-07-28T19:59:03.19
IV.SFI.EHE. ML:2.1 0.000161436 0.3328 AML other m 2023-07-28T19:59:13.51
IV.SFI.HNE. ML:2.2 0.0001751443 0.3328 AML other m 2023-07-28T19:59:13.68
IV.SFI.EHN. ML:2.1 0.0001364146 0.256 AML other m 2023-07-28T19:59:13.74
IV.SEI.HHE. ML:2.3 0.0001835 1.56 AML other m 2023-07-28T19:59:17.83
IV.SEI.HHN. ML:2.5 0.000323 1.54 AML other m 2023-07-28T19:59:17.17
IV.ZOVE.EHE. ML:2.4 0.0002445 0.32 AML other m 2023-07-28T19:59:19.12
IV.ZOVE.EHN. ML:2.5 0.000263949 0.3968 AML other m 2023-07-28T19:59:19.46
IV.PARC.HHN. ML:2.0 0.00007695 0.34 AML other m 2023-07-28T19:59:20.33
IV.SFI.HNN. ML:2.2 0.00016993383499999998 0.6528 AML other m 2023-07-28T19:59:19.75
IV.NARO.HHE. ML:1.9 0.00006257228500000001 0.2432 AML other m 2023-07-28T19:59:22.68
IV.MPAG.EHE. ML:2.1 0.000089486865 0.2688 AML other m 2023-07-28T19:59:22.64
IV.MPAG.EHN. ML:2.2 0.0001325 0.66 AML other m 2023-07-28T19:59:23.59
IV.CRE.HHN. ML:2.2 0.0001245 0.62 AML other m 2023-07-28T19:59:23.66
IV.CRE.HHE. ML:2.1 0.00008977047 0.3584 AML other m 2023-07-28T19:59:23.40
IV.PARC.HHE. ML:2.0 0.0000734 0.5 AML other m 2023-07-28T19:59:23.33
IV.NARO.HHN. ML:2.0 0.00007039999999999999 0.34 AML other m 2023-07-28T19:59:23.67
IV.PIEI.HHN. ML:2.2 0.000111 0.22 AML other m 2023-07-28T19:59:24.15
OX.MARN.HHN. ML:2.4 0.0001718185 0.2944 AML other m 2023-07-28T19:59:25.07
IV.PIEI.HHE. ML:2.4 0.0001835 0.32 AML other m 2023-07-28T19:59:25.34
IV.ROVR.HHE. ML:2.3 0.00011130000000000001 1.12 AML other m 2023-07-28T19:59:27.66
OX.MARN.HHE. ML:2.4 0.00015055574999999998 0.448 AML other m 2023-07-28T19:59:27.57
IV.ARVD.HHN. ML:1.9 0.000052199999999999995 1.44 AML other m 2023-07-28T19:59:28.24
IV.SSFR.HHE. ML:2.7 0.00028500000000000004 0.22 AML other m 2023-07-28T19:59:29.50
IV.ROVR.HHN. ML:2.7 0.00028849999999999997 1.8 AML other m 2023-07-28T19:59:30.91
IV.SSFR.HHN. ML:2.5 0.0001865 0.2 AML other m 2023-07-28T19:59:30.41
IV.ATPI.EHN. ML:1.9 0.0000521 0.44 AML other m 2023-07-28T19:59:30.27
IV.CSNT.HHN. ML:1.9 0.0000366 1.32 AML other m 2023-07-28T19:59:30.86
IV.ATPI.EHE. ML:1.8 0.000042 0.66 AML other m 2023-07-28T19:59:31.03
IV.ARVD.HHE. ML:2.0 0.0000591 0.32 AML other m 2023-07-28T19:59:31.35
IV.CSNT.HHE. ML:1.6 0.000021705295 0.3072 AML other m 2023-07-28T19:59:30.25
IV.CTI.HHN. ML:2.5 0.000132866945 0.3072 AML other m 2023-07-28T19:59:34.60
ST.VARA.EHN. ML:2.6 0.00017 0.24 AML other m 2023-07-28T19:59:34.09
NI.POLC.HHE. ML:2.4 0.00013800000000000002 0.26 AML other m 2023-07-28T19:59:34.61
IV.CTI.HHE. ML:2.4 0.00010809558 0.2176 AML other m 2023-07-28T19:59:35.05
ST.VARA.EHE. ML:2.8 0.000272 0.28 AML other m 2023-07-28T19:59:35.78
SI.LUSI.HHE. ML:2.2 0.0000658 0.16 AML other m 2023-07-28T19:59:36.59
NI.POLC.HHN. ML:2.6 0.0002085 0.5 AML other m 2023-07-28T19:59:37.44
OX.MLN.HHN. ML:2.1 0.00004865 0.2 AML other m 2023-07-28T19:59:37.76
SI.LUSI.HHN. ML:2.5 0.00011892754999999999 0.2048 AML other m 2023-07-28T19:59:38.19
IV.MAGA.HHN. ML:2.8 0.000245 1.54 AML other m 2023-07-28T19:59:39.04
IV.MAGA.HHE. ML:3.0 0.0003305 1.7 AML other m 2023-07-28T19:59:39.00
OX.MLN.HHE. ML:2.0 0.00004065 1.04 AML other m 2023-07-28T19:59:40.10
ST.ZIAN.EHE. ML:2.3 0.000066208755 0.3584 AML other m 2023-07-28T19:59:41.20
ST.ZIAN.EHN. ML:2.2 0.0000577 0.32 AML other m 2023-07-28T19:59:41.11
IV.MML1.EHE. ML:2.3 0.00007865 0.28 AML other m 2023-07-28T19:59:41.82
IV.MML1.EHN. ML:2.2 0.00005505 0.88 AML other m 2023-07-28T19:59:43.26
IV.ASSB.HHE. ML:2.0 0.00004235 0.32 AML other m 2023-07-28T19:59:43.45
IV.MGAB.HHE. ML:2.0 0.0000369 0.58 AML other m 2023-07-28T19:59:43.44
OX.SABO.HNE. ML:3.0 0.0003451766 0.3584 AML other m 2023-07-28T19:59:45.77
OX.VARN.HHN. ML:2.2 0.00008195 1.02 AML other m 2023-07-28T19:59:44.23
OX.SABO.HHN. ML:2.5 0.00010563803499999999 0.2688 AML other m 2023-07-28T19:59:44.39
OX.SABO.HNN. ML:3.0 0.000406113 0.2688 AML other m 2023-07-28T19:59:44.39
IV.FDMO.HHN. ML:2.0 0.00003235000000000001 0.96 AML other m 2023-07-28T19:59:45.78
OX.VARN.HHE. ML:2.3 0.0000991 0.64 AML other m 2023-07-28T19:59:45.68
IV.ASSB.HHN. ML:2.0 0.00003758967 0.3712 AML other m 2023-07-28T19:59:46.93
NI.PALA.HHN. ML:2.6 0.00013900000000000002 0.4 AML other m 2023-07-28T19:59:48.22
IV.FDMO.HHE. ML:2.1 0.000038 0.3 AML other m 2023-07-28T19:59:48.31
OX.SABO.HHE. ML:2.3 0.000081451395 0.384 AML other m 2023-07-28T19:59:45.76
IV.MGAB.HHN. ML:2.1 0.00003845 0.42 AML other m 2023-07-28T19:59:48.93
OX.DRE.HHE. ML:2.4 0.00007975 0.28 AML other m 2023-07-28T19:59:50.60
IV.PTCC.HHN. ML:2.0 0.00002485 0.36 AML other m 2023-07-28T19:59:52.44
IV.PTCC.HHE. ML:2.0 0.00002495 0.42 AML other m 2023-07-28T19:59:52.45
OX.DRE.HHN. ML:2.3 0.00006531127 0.2816 AML other m 2023-07-28T19:59:46.89
NI.PALA.HHE. ML:2.6 0.0001285 0.44 AML other m 2023-07-28T19:59:55.25
IV.SERM.EHE. ML:2.2 0.00018841285000000002 0.3456 AML other m 2023-07-28T19:59:14.20
IV.SERM.EHN. ML:2.3 0.0002774421 0.4608 AML other m 2023-07-28T19:59:14.80
IV.SERM.HNE. ML:2.2 0.00020025685 0.3456 AML other m 2023-07-28T19:59:12.49
IV.SERM.HNN. ML:2.3 0.0002230702 0.3072 AML other m 2023-07-28T19:59:11.88
IV.PIEI.HNE. ML:2.4 0.0001633696 0.3328 AML other m 2023-07-28T19:59:25.34
IV.PIEI.HNN. ML:2.3 0.000141224825 0.6912 AML other m 2023-07-28T19:59:23.02
OX.MARN.HNN. ML:2.1 0.000080729775 0.2944 AML other m 2023-07-28T19:59:25.07
IV.ROVR.HNN. ML:2.7 0.00026378714999999997 0.192 AML other m 2023-07-28T19:59:29.91
ST.VARA.HNE. ML:2.8 0.0002669526 0.256 AML other m 2023-07-28T19:59:35.78
ST.VARA.HNN. ML:2.6 0.0001700251 0.2432 AML other m 2023-07-28T19:59:34.20
OX.VARN.HNE. ML:2.3 0.0000989383 0.64 AML other m 2023-07-28T19:59:45.69
OX.VARN.HNN. ML:2.2 0.000080669725 0.3968 AML other m 2023-07-28T19:59:34.72
ST.PANI.EHE. ML:2.1 0.000052616824999999996 0.4224 AML other m 2023-07-28T19:59:38.80
ST.PANI.EHN. ML:2.0 0.000040099791999999997 0.4608 AML other m 2023-07-28T19:59:39.65
IV.MAGA.HNE. ML:2.7 0.0001986166 0.448 AML other m 2023-07-28T19:59:36.70
IV.MAGA.HNN. ML:2.5 0.00011182749999999999 0.512 AML other m 2023-07-28T19:59:40.45
OX.DRE.HNE. ML:2.4 0.000082153295 0.2944 AML other m 2023-07-28T19:59:38.41
OX.DRE.HNN. ML:2.3 0.00006535737 0.3328 AML other m 2023-07-28T19:59:46.89
IV.MF5.EHE. ML:2.7 0.0001301976 0.4224 AML other m 2023-07-28T19:59:51.35
IV.MF5.EHN. ML:2.5 0.00008825098 0.5248 AML other m 2023-07-28T19:59:53.97
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