Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 04-07-2023 and time 12:29:59 (Italy) in region 1 km N Castellarano (RE)

A magnitude ML 2.2 earthquake occured in region: 1 km N Castellarano (RE), on

  • 04-07-2023 10:29:59 (UTC)
  • 04-07-2023 12:29:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5220, 10.7330 at 22 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 1 15232 15232
Sassuolo MO 5 40853 56085
Fiorano Modenese MO 7 17160 73245
Casalgrande RE 8 19310 92555
Viano RE 9 3374 95929
Scandiano RE 9 25483 121412
Prignano sulla Secchia MO 10 3747 125159
Formigine MO 11 34323 159482
Maranello MO 11 17359 176841
Baiso RE 11 3315 180156
Serramazzoni MO 12 8282 188438
Albinea RE 15 8860 197298
Rubiera RE 15 14864 212162
Castelnuovo Rangone MO 17 14896 227058
Castelvetro di Modena MO 17 11185 238243
Vezzano sul Crostolo RE 17 4259 242502
Carpineti RE 18 4064 246566
Casina RE 18 4504 251070
Polinago MO 20 1672 252742
Montefiorino MO 20 2203 254945
Marano sul Panaro MO 20 5060 260005

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Modena (184973 inhabitants)
21 Km SE of Reggio nell'Emilia (171345 inhabitants)
32 Km SW of Carpi (70699 inhabitants)
45 Km SE of Parma (192836 inhabitants)
49 Km W of Bologna (386663 inhabitants)
67 Km N of Pistoia (90315 inhabitants)
71 Km NE of Carrara (63133 inhabitants)
71 Km NE of Massa (69479 inhabitants)
77 Km NW of Prato (191150 inhabitants)
77 Km N of Lucca (89046 inhabitants)
78 Km W of Ferrara (133155 inhabitants)
80 Km W of Imola (69797 inhabitants)
82 Km NE of Viareggio (62467 inhabitants)
85 Km NE of La Spezia (93959 inhabitants)
88 Km SE of Cremona (71901 inhabitants)
92 Km NW of Scandicci (50609 inhabitants)
93 Km N of Pisa (89158 inhabitants)
93 Km NW of Firenze (382808 inhabitants)
95 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 2.2 2023-07-04
10:29:59		 44.5217 10.7327 22 2023-07-04
10:46:16		 Sala Sismica INGV-Roma 118960351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-04 10:29:59 ± 0.13
Latitude 44.5217 ± 0.0090
Longitude 10.7327 ± 0.0126
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118960351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1004
Semi-minor axis of confidence ellipse (meter) 688
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.39575
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 15
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 118960351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-04 10:46:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2023-07-04T10:31:36.46 3.0 undecidable manual Pg 17.440001 0
OX.PLRO.HHZ. 2023-07-04T10:31:24.77 3.0 undecidable manual Sg 10.44 0
IV.FIAM.HHZ. 2023-07-04T10:31:22.10 3.0 undecidable manual Sn -0.29 0
IV.MGR.HHZ. 2023-07-04T10:31:22.17 3.0 negative manual Pn -1.79 0
IV.ARRO.EHZ. 2023-07-04T10:31:13.96 3.0 undecidable manual Sg 1.46 0
ST.PANI.EHZ. 2023-07-04T10:30:52.33 3.0 undecidable manual Sg 4.72 0
IV.CTI.HHZ. 2023-07-04T10:30:49.16 3.0 undecidable manual Sn -0.46 0
IV.FDMO.HHZ. 2023-07-04T10:30:41.78 3.0 undecidable manual Pg 4.46 0
IV.VOBA.EHZ. 2023-07-04T10:30:34.14 3.0 undecidable manual S -1.37 0
IV.MPAG.EHZ. 2023-07-04T10:30:32.69 3.0 negative manual Pg 2.99 0
ST.VARA.EHZ. 2023-07-04T10:30:23.39 0.3 undecidable manual P 5 145.2435 54 0.26 77
ST.DOSS.HHZ. 2023-07-04T10:30:23.83 0.3 undecidable manual P 13 154.9227 54 -0.5 71
GU.IT07A.HHZ. 2023-07-04T10:30:21.46 3.0 undecidable manual P 0
IV.ROVR.HHZ. 2023-07-04T10:30:20.78 0.3 undecidable manual P 12 127.5723 96 0.17 81
IV.SFI.EHZ. 2023-07-04T10:30:20.91 3.0 positive manual P 0.76 0
IV.ZOVE.EHZ. 2023-07-04T10:30:19.16 0.3 undecidable manual P 30 119.1918 96 -0.15 83
IV.RUFI.EHZ. 2023-07-04T10:30:17.67 3.0 positive manual P -0.27 0
IV.BDI.HHZ. 2023-07-04T10:30:16.62 0.3 undecidable manual S 192 52.0035 106 0.42 90
MN.VLC.HHZ. 2023-07-04T10:30:15.30 0.3 undecidable manual S 214 48.7179 107 -0.04 98
IV.FNVD.HHZ. 2023-07-04T10:30:15.90 0.3 undecidable manual S 142 50.0166 106 0.22 95
IV.SEI.HHZ. 2023-07-04T10:30:12.85 0.3 undecidable manual P 136 71.7726 101 0.76 78
IV.MPPT.EHZ. 2023-07-04T10:30:11.73 0.3 undecidable manual P 155 68.6757 101 0.11 93
IV.ERBM.EHZ. 2023-07-04T10:30:10.75 0.3 undecidable manual S 246 27.75 122 0.54 88
IV.ZCCA.HHZ. 2023-07-04T10:30:10.27 0.3 undecidable manual S 134 27.0507 122 0.21 99
GU.PDN10.EHZ. 2023-07-04T10:30:09.04 0.3 undecidable manual S 100
GU.GRAM.HHZ. 2023-07-04T10:30:09.51 0.3 undecidable manual P 266 52.9026 105 0.26 91
IV.FNVD.HHZ. 2023-07-04T10:30:08.50 0.3 undecidable manual P 142 50.0166 106 -0.31 91
GU.POPM.HHZ. 2023-07-04T10:30:08.77 0.3 undecidable manual P 178 52.9026 105 -0.48 88
GU.GSCL.HHZ. 2023-07-04T10:30:08.57 0.3 undecidable manual S 211 22.1556 129 -0.42 95
IV.BDI.HHZ. 2023-07-04T10:30:08.56 0.3 undecidable manual P 192 52.0035 106 -0.56 86
MN.VLC.HHZ. 2023-07-04T10:30:08.51 0.3 undecidable manual P 214 48.7179 107 -0.11 96
IV.ZCCA.HHZ. 2023-07-04T10:30:05.71 0.3 undecidable manual P 134 27.0507 122 0.14 100
IV.ERBM.EHZ. 2023-07-04T10:30:05.93 0.3 undecidable manual P 246 27.75 122 0.27 96
GU.GSCL.HHZ. 2023-07-04T10:30:04.14 0.3 undecidable manual P 211 22.1556 129 -0.81 82
GU.PDN10.EHZ. 2023-07-04T10:30:03.60 0.3 undecidable manual P 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:2.4 0.001155 0.2 AML other m 2023-07-04T10:30:09.62
GU.GSCL.HHN. ML:2.6 0.001945 0.24 AML other m 2023-07-04T10:30:09.68
IV.ZCCA.HHE. ML:2.5 0.0012649999999999998 0.82 AML other m 2023-07-04T10:30:13.13
IV.ZCCA.HNE. ML:2.4 0.001175 0.82 AML other m 2023-07-04T10:30:13.14
IV.ZCCA.HNN. ML:2.2 0.0007484999999999999 0.42 AML other m 2023-07-04T10:30:13.78
IV.ZCCA.HHN. ML:2.2 0.0006879999999999999 0.6 AML other m 2023-07-04T10:30:14.83
IV.BDI.HHN. ML:1.9 0.00016499999999999997 1.26 AML other m 2023-07-04T10:30:17.78
IV.FNVD.HHE. ML:0.0 0.000214 0.58 AML other m 2023-07-04T10:30:17.72
IV.BDI.HHE. ML:1.8 0.0001495 1.56 AML other m 2023-07-04T10:30:17.98
GU.POPM.HHE. ML:1.8 0.00014549999999999999 0.2 AML other m 2023-07-04T10:30:18.20
GU.POPM.HHN. ML:2.0 0.00023349999999999998 0.22 AML other m 2023-07-04T10:30:18.92
IV.FNVD.HHN. ML:0.0 0.00033199999999999994 0.34 AML other m 2023-07-04T10:30:18.73
GU.GRAM.HHN. ML:1.9 0.00016649999999999998 0.34 AML other m 2023-07-04T10:30:20.79
IV.MPPT.EHN. ML:1.7 0.0000745 0.54 AML other m 2023-07-04T10:30:22.22
GU.GRAM.HHE. ML:1.7 0.00010960000000000001 1.06 AML other m 2023-07-04T10:30:23.60
IV.MPPT.EHE. ML:1.5 0.0000566 0.5 AML other m 2023-07-04T10:30:24.84
IV.SEI.HHE. ML:1.9 0.000122 0.38 AML other m 2023-07-04T10:30:26.80
IV.SEI.HHN. ML:2.2 0.000237 0.4 AML other m 2023-07-04T10:30:31.37
IV.ZOVE.EHE. ML:2.3 0.000162 0.26 AML other m 2023-07-04T10:30:37.39
IV.SFI.EHE. ML:2.0 0.00007539999999999999 1.48 AML other m 2023-07-04T10:30:38.12
IV.ROVR.HHN. ML:2.4 0.0001585 0.34 AML other m 2023-07-04T10:30:39.34
IV.ZOVE.EHN. ML:2.3 0.00013800000000000002 1.06 AML other m 2023-07-04T10:30:39.81
IV.SFI.EHN. ML:1.9 0.00006345 1.3 AML other m 2023-07-04T10:30:40.72
IV.ROVR.HHE. ML:2.2 0.00010519999999999998 1.48 AML other m 2023-07-04T10:30:42.87
ST.VARA.EHN. ML:2.3 0.000111 0.46 AML other m 2023-07-04T10:30:44.26
ST.VARA.EHE. ML:2.5 0.000185 0.24 AML other m 2023-07-04T10:30:45.45
ST.DOSS.HHE. ML:2.2 0.00007655 0.46 AML other m 2023-07-04T10:30:48.52
ST.DOSS.HHN. ML:2.3 0.0000886 0.56 AML other m 2023-07-04T10:30:50.43
IV.CTI.HHE. ML:2.4 0.00008124999999999998 1.14 AML other m 2023-07-04T10:30:55.15
IV.CTI.HHN. ML:2.4 0.0000968 0.52 AML other m 2023-07-04T10:30:55.09
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