Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 04-07-2023 and time 09:37:28 (UTC) in region 4 km SW Castellarano (RE)

A magnitude ML 2.4 earthquake occured in region: 4 km SW Castellarano (RE), on

  • 04-07-2023 09:37:28 (UTC)
  • 04-07-2023 11:37:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4800, 10.7110 at 28 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
Castellarano RE 4 15232 15232
Prignano sulla Secchia MO 5 3747 18979
Serramazzoni MO 9 8282 27261
Sassuolo MO 9 40853 68114
Baiso RE 9 3315 71429
Viano RE 11 3374 74803
Fiorano Modenese MO 11 17160 91963
Casalgrande RE 13 19310 111273
Scandiano RE 14 25483 136756
Maranello MO 14 17359 154115
Montefiorino MO 15 2203 156318
Formigine MO 15 34323 190641
Polinago MO 15 1672 192313
Carpineti RE 15 4064 196377
Toano RE 17 4463 200840
Casina RE 17 4504 205344
Albinea RE 18 8860 214204
Palagano MO 18 2194 216398
Pavullo nel Frignano MO 18 17383 233781
Castelvetro di Modena MO 19 11185 244966
Vezzano sul Crostolo RE 19 4259 249225
Lama Mocogno MO 19 2734 251959
Castelnuovo Rangone MO 20 14896 266855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km S of Reggio nell'Emilia (171345 inhabitants)
25 Km SW of Modena (184973 inhabitants)
37 Km SW of Carpi (70699 inhabitants)
47 Km SE of Parma (192836 inhabitants)
50 Km W of Bologna (386663 inhabitants)
63 Km N of Pistoia (90315 inhabitants)
66 Km NE of Carrara (63133 inhabitants)
67 Km NE of Massa (69479 inhabitants)
73 Km N of Lucca (89046 inhabitants)
73 Km NW of Prato (191150 inhabitants)
77 Km NE of Viareggio (62467 inhabitants)
81 Km W of Imola (69797 inhabitants)
81 Km NE of La Spezia (93959 inhabitants)
82 Km W of Ferrara (133155 inhabitants)
88 Km N of Pisa (89158 inhabitants)
89 Km NW of Scandicci (50609 inhabitants)
90 Km NW of Firenze (382808 inhabitants)
91 Km SE of Cremona (71901 inhabitants)
96 Km W of Faenza (58541 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 2.4 2023-07-04
09:37:28		 44.4795 10.7108 28 2023-07-04
09:50:53		 Sala Sismica INGV-Roma 118958501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-04 09:37:28 ± 0.15
Latitude 44.4795 ± 0.0117
Longitude 10.7108 ± 0.0113
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118958501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 934
Semi-minor axis of confidence ellipse (meter) 923
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.20959
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 18
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 118958501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-04 09:50:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2023-07-04T09:39:17.09 3.0 undecidable manual Sg 11.14 0
IT.RMMM.HGZ. 2023-07-04T09:38:58.33 3.0 undecidable manual Sg 8.64 0
SI.ROSI.HHZ. 2023-07-04T09:38:36.46 3.0 undecidable manual Sn -2.3 0
IV.VVLD.HHZ. 2023-07-04T09:38:31.91 3.0 negative manual Pg 10.57 0
IV.MCIV.CHZ. 2023-07-04T09:38:29.53 3.0 undecidable manual Sg 4.68 0
IV.CELB.HHZ. 2023-07-04T09:38:20.69 3.0 undecidable manual Sn -2.22 0
CH.FUSIO.HHZ. 2023-07-04T09:38:14.35 3.0 negative manual Pg 7.03 0
IV.ARRO.EHZ. 2023-07-04T09:38:13.73 3.0 positive manual Pg 5.44 0
ST.VARA.EHZ. 2023-07-04T09:38:11.43 3.0 undecidable manual S 0.69 0
SI.ROSI.HHZ. 2023-07-04T09:38:10.08 3.0 negative manual Pn 1.9 0
IV.NRCA.HHZ. 2023-07-04T09:38:10.35 3.0 undecidable manual Pn 2.35 0
IV.ROVR.HHZ. 2023-07-04T09:38:07.64 3.0 undecidable manual S 0.67 0
IV.CSP1.EHZ. 2023-07-04T09:38:07.62 3.0 negative manual Pn 1.3 0
IV.SFI.EHZ. 2023-07-04T09:38:05.72 3.0 undecidable manual S 1.51 0
IV.ZOVE.EHZ. 2023-07-04T09:38:03.95 3.0 undecidable manual S -1.45 0
ST.GAGG.HHZ. 2023-07-04T09:37:57.72 3.0 positive manual P 1.7 0
SI.LUSI.HHZ. 2023-07-04T09:37:54.73 3.0 negative manual P 0.42 0
ST.RONC.EHZ. 2023-07-04T09:37:54.54 3.0 undecidable manual P 0.1 0
IV.BAG8.EHZ. 2023-07-04T09:37:53.62 3.0 positive manual P 1.23 0
ST.DOSS.HHZ. 2023-07-04T09:37:53.43 3.0 undecidable manual P -0.28 0
ST.VARA.EHZ. 2023-07-04T09:37:52.56 3.0 positive manual P 0.12 0
IV.CRE.HHZ. 2023-07-04T09:37:52.31 3.0 positive manual P 0.18 0
IV.OSSC.HHZ. 2023-07-04T09:37:50.37 3.0 positive manual P 1.09 0
OX.MARN.HNN. 2023-07-04T09:37:50.53 0.3 undecidable manual P 17 134.2656 54 -0.04 80
IV.ROVR.HHZ. 2023-07-04T09:37:50.08 3.0 negative manual P -0.24 0
GU.GORR.HHZ. 2023-07-04T09:37:49.68 3.0 negative manual P 1.58 0
IV.TREG.HNE. 2023-07-04T09:37:48.51 0.3 undecidable manual P 17 120.99 54 -0.4 76
IV.ZOVE.EHZ. 2023-07-04T09:37:48.39 3.0 undecidable manual P -1.05 0
IV.SFI.EHZ. 2023-07-04T09:37:48.95 3.0 positive manual P 0.18 0
IV.RUFI.EHZ. 2023-07-04T09:37:46.67 3.0 negative manual P -0.26 0
IV.FNVD.HHZ. 2023-07-04T09:37:44.82 0.3 undecidable manual S 136 47.619 115 -0.19 93
IV.PII.HHZ. 2023-07-04T09:37:44.31 0.3 undecidable manual P 190 85.3479 103 0.63 76
GU.SARM.EHZ. 2023-07-04T09:37:43.35 0.3 undecidable manual S 217 41.0256 119 -0.09 96
IV.CRMI.HHZ. 2023-07-04T09:37:43.35 0.3 undecidable manual P 164 78.8655 105 0.65 76
IV.BOSL.HHZ. 2023-07-04T09:37:43.78 0.3 undecidable manual P 139 80.5638 104 0.82 71
IV.SEI.HHZ. 2023-07-04T09:37:41.56 0.3 undecidable manual P 132 69.7746 107 0.19 89
IV.ERBM.EHZ. 2023-07-04T09:37:40.54 0.3 undecidable manual S 254 24.5532 135 0.63 87
IV.VISG.HHZ. 2023-07-04T09:37:40.92 0.3 undecidable manual P 119 65.7897 108 0.14 90
IV.MPPT.EHZ. 2023-07-04T09:37:40.03 0.3 undecidable manual P 152 65.2902 108 -0.67 79
IV.ZCCA.HHZ. 2023-07-04T09:37:40.46 0.3 undecidable manual S 124 25.4523 134 0.38 92
GU.CARD.HHZ. 2023-07-04T09:37:39.11 0.3 undecidable manual P 200 53.502 112 0.12 93
GU.POPM.HHZ. 2023-07-04T09:37:38.07 0.3 undecidable manual P 176 48.3183 115 -0.19 93
GU.GSCL.HHZ. 2023-07-04T09:37:38.27 0.3 undecidable manual S 214 17.2716 145 -0.39 93
GU.GRAM.HHZ. 2023-07-04T09:37:38.97 0.3 undecidable manual P 272 51.1155 113 0.31 91
IV.BDI.HHZ. 2023-07-04T09:37:37.92 0.3 undecidable manual P 191 47.1195 115 -0.17 93
GU.SARM.EHZ. 2023-07-04T09:37:37.02 0.3 undecidable manual P 217 41.0256 119 -0.23 93
IV.FNVD.HHZ. 2023-07-04T09:37:37.32 0.3 undecidable manual P 136 47.619 115 -0.84 76
MN.VLC.HHZ. 2023-07-04T09:37:37.70 0.3 undecidable manual P 216 43.8228 117 0.06 96
IV.ZCCA.HHZ. 2023-07-04T09:37:35.33 0.3 undecidable manual P 124 25.4523 134 0.02 100
IV.ERBM.EHZ. 2023-07-04T09:37:35.08 0.3 undecidable manual P 254 24.5532 135 -0.13 97
GU.GSCL.HHZ. 2023-07-04T09:37:33.91 0.3 undecidable manual P 214 17.2716 145 -0.58 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:2.8 0.0026349999999999998 0.24 AML other m 2023-07-04T09:37:38.56
GU.GSCL.HHN. ML:3.0 0.004995 0.24 AML other m 2023-07-04T09:37:38.50
IV.ZCCA.HNN. ML:2.6 0.0014750000000000002 0.48 AML other m 2023-07-04T09:37:42.25
IV.ZCCA.HHE. ML:2.8 0.00259 0.42 AML other m 2023-07-04T09:37:42.46
IV.ZCCA.HNE. ML:2.8 0.0024100000000000002 0.4 AML other m 2023-07-04T09:37:42.47
IV.ZCCA.HHN. ML:2.6 0.0015149999999999999 1.28 AML other m 2023-07-04T09:37:42.70
IV.BDI.HNN. ML:2.1 0.000317 1.06 AML other m 2023-07-04T09:37:45.74
MN.VLC.HHN. ML:1.7 0.0001275 1.2 AML other m 2023-07-04T09:37:45.95
IV.BDI.HHN. ML:2.2 0.00035250000000000006 1.28 AML other m 2023-07-04T09:37:46.73
IV.FNVD.HHE. ML:2.3 0.0004285 0.44 AML other m 2023-07-04T09:37:46.41
IV.BDI.HHE. ML:2.2 0.000348 0.22 AML other m 2023-07-04T09:37:46.90
GU.POPM.HHE. ML:2.3 0.000416 0.2 AML other m 2023-07-04T09:37:47.22
GU.POPM.HHN. ML:2.3 0.0005385 0.22 AML other m 2023-07-04T09:37:47.34
IV.BDI.HNE. ML:2.2 0.00035999999999999997 0.5 AML other m 2023-07-04T09:37:47.53
IV.FNVD.HHN. ML:2.4 0.0006730000000000001 0.34 AML other m 2023-07-04T09:37:47.64
GU.GRAM.HHE. ML:2.1 0.00028849999999999997 0.48 AML other m 2023-07-04T09:37:49.87
GU.GRAM.HHN. ML:2.3 0.00040449999999999997 0.88 AML other m 2023-07-04T09:37:49.44
MN.VLC.HHE. ML:1.7 0.0001255 1.28 AML other m 2023-07-04T09:37:49.99
IV.MPPT.EHN. ML:1.9 0.0001305 0.54 AML other m 2023-07-04T09:37:51.14
IV.VISG.HHE. ML:1.6 0.00006575 0.62 AML other m 2023-07-04T09:37:52.97
IV.VISG.HHN. ML:1.6 0.00006295000000000001 0.62 AML other m 2023-07-04T09:37:53.28
IV.MPPT.EHE. ML:1.9 0.0001185 1.12 AML other m 2023-07-04T09:37:53.20
IV.CRMI.HHE. ML:1.4 0.000035699999999999994 0.74 AML other m 2023-07-04T09:37:56.52
IV.PII.HHE. ML:2.2 0.0002045 0.42 AML other m 2023-07-04T09:37:56.34
IV.BOSL.HHN. ML:1.7 0.0000577 0.7 AML other m 2023-07-04T09:37:58.37
IV.CRMI.HHN. ML:1.7 0.00006534999999999999 1.54 AML other m 2023-07-04T09:37:59.17
IV.BOSL.HHE. ML:1.6 0.0000434 0.78 AML other m 2023-07-04T09:38:00.69
IV.SEI.HHN. ML:2.5 0.0005195 0.36 AML other m 2023-07-04T09:38:00.27
IV.PII.HHN. ML:2.1 0.00016199999999999998 0.38 AML other m 2023-07-04T09:38:00.27
IV.SEI.HHE. ML:2.2 0.0002665 0.74 AML other m 2023-07-04T09:38:01.04
IV.RUFI.EHE. ML:1.7 0.000050005 0.88 AML other m 2023-07-04T09:38:03.53
IV.RUFI.EHN. ML:2.0 0.00010664999999999999 0.38 AML other m 2023-07-04T09:38:04.52
IV.ZOVE.EHN. ML:2.7 0.00033800000000000003 0.26 AML other m 2023-07-04T09:38:05.87
IV.ZOVE.EHE. ML:2.7 0.000348 0.26 AML other m 2023-07-04T09:38:06.28
IV.OSSC.HHE. ML:2.3 0.0001435 0.56 AML other m 2023-07-04T09:38:06.37
IV.OSSC.HHN. ML:2.1 0.0001 0.38 AML other m 2023-07-04T09:38:06.69
IV.SFI.EHE. ML:2.4 0.000179 1.48 AML other m 2023-07-04T09:38:07.76
IV.ROVR.HHE. ML:2.6 0.000243 0.84 AML other m 2023-07-04T09:38:08.40
IV.SFI.EHN. ML:2.3 0.00015115000000000001 0.44 AML other m 2023-07-04T09:38:08.64
IV.ROVR.HHN. ML:2.8 0.00038950000000000003 1.26 AML other m 2023-07-04T09:38:08.24
GU.GORR.HHE. ML:2.2 0.000136 1.5 AML other m 2023-07-04T09:38:09.04
GU.GORR.HHN. ML:2.2 0.00011679999999999999 1 AML other m 2023-07-04T09:38:09.08
IV.CRE.HHE. ML:2.2 0.00009329999999999999 0.52 AML other m 2023-07-04T09:38:11.59
ST.VARA.EHN. ML:2.8 0.00028149999999999996 0.46 AML other m 2023-07-04T09:38:13.15
IV.CRE.HHN. ML:2.5 0.00017099999999999998 0.44 AML other m 2023-07-04T09:38:13.94
IV.BAG8.EHN. ML:2.6 0.00021250000000000002 0.24 AML other m 2023-07-04T09:38:14.52
ST.VARA.EHE. ML:2.9 0.00042200000000000007 0.2 AML other m 2023-07-04T09:38:16.17
ST.DOSS.HNN. ML:2.7 0.00021 0.78 AML other m 2023-07-04T09:38:17.22
SI.LUSI.HHN. ML:3.0 0.000378 1.8 AML other m 2023-07-04T09:38:18.01
ST.DOSS.HHE. ML:2.6 0.0001725 1.36 AML other m 2023-07-04T09:38:18.27
ST.DOSS.HNE. ML:2.6 0.00017199999999999998 1.34 AML other m 2023-07-04T09:38:18.28
ST.DOSS.HHN. ML:2.7 0.00021200000000000003 0.44 AML other m 2023-07-04T09:38:19.34
SI.LUSI.HHE. ML:2.6 0.00016999999999999999 0.74 AML other m 2023-07-04T09:38:19.39
ST.RONC.EHE. ML:2.6 0.000158 0.28 AML other m 2023-07-04T09:38:21.82
ST.RONC.EHN. ML:2.8 0.00025550000000000003 1.46 AML other m 2023-07-04T09:38:22.07
ST.GAGG.HHE. ML:2.6 0.0001305 0.7 AML other m 2023-07-04T09:38:22.50
IV.BAG8.EHE. ML:2.5 0.00015064413500000002 0.3008 AML other m 2023-07-04T09:38:15.05
ST.GAGG.HHN. ML:2.3 0.00006815 0.74 AML other m 2023-07-04T09:38:25.56
SI.ROSI.HHE. ML:2.5 0.0000514 1.14 AML other m 2023-07-04T09:38:41.73
SI.ROSI.HHN. ML:2.7 0.00007085 1.3 AML other m 2023-07-04T09:38:49.86
IV.CSP1.EHE. ML:2.9 0.00014910000000000002 1.42 AML other m 2023-07-04T09:38:50.75
IV.CSP1.EHN. ML:2.9 0.000147 0.74 AML other m 2023-07-04T09:38:51.03
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