Earthquake with magnitude of ML 1.8 on date 21-06-2023 and time 20:33:22 (Italy) in region 4 km E Prignano sulla Secchia (MO)

A magnitude ML 1.8 earthquake occured in region: 4 km E Prignano sulla Secchia (MO), on

  • 21-06-2023 18:33:22 (UTC)
  • 21-06-2023 20:33:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4340, 10.7360 at 33 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Prignano sulla Secchia MO 4 3747 3747
Serramazzoni MO 5 8282 12029
Castellarano RE 9 15232 27261
Polinago MO 10 1672 28933
Montefiorino MO 12 2203 31136
Sassuolo MO 13 40853 71989
Baiso RE 13 3315 75304
Pavullo nel Frignano MO 13 17383 92687
Fiorano Modenese MO 13 17160 109847
Lama Mocogno MO 14 2734 112581
Palagano MO 14 2194 114775
Maranello MO 15 17359 132134
Toano RE 15 4463 136597
Viano RE 16 3374 139971
Carpineti RE 17 4064 144035
Casalgrande RE 18 19310 163345
Guiglia MO 18 3931 167276
Formigine MO 18 34323 201599
Castelvetro di Modena MO 18 11185 212784
Marano sul Panaro MO 19 5060 217844
Scandiano RE 19 25483 243327
Frassinoro MO 20 1926 245253

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Modena (184973 inhabitants)
31 Km S of Reggio nell'Emilia (171345 inhabitants)
41 Km SW of Carpi (70699 inhabitants)
49 Km W of Bologna (386663 inhabitants)
52 Km SE of Parma (192836 inhabitants)
57 Km N of Pistoia (90315 inhabitants)
64 Km NE of Carrara (63133 inhabitants)
65 Km NE of Massa (69479 inhabitants)
68 Km NW of Prato (191150 inhabitants)
68 Km N of Lucca (89046 inhabitants)
74 Km NE of Viareggio (62467 inhabitants)
78 Km W of Imola (69797 inhabitants)
81 Km E of La Spezia (93959 inhabitants)
83 Km NW of Scandicci (50609 inhabitants)
83 Km SW of Ferrara (133155 inhabitants)
84 Km NE of Pisa (89158 inhabitants)
85 Km NW of Firenze (382808 inhabitants)
93 Km W of Faenza (58541 inhabitants)
96 Km SE of Cremona (71901 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 1.8 2023-06-21
18:33:22
44.4337 10.7357 33 2023-06-21
18:55:06
Sala Sismica INGV-Roma 118623001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-21 18:33:22 ± 0.14
Latitude 44.4337 ± 0.0153
Longitude 10.7357 ± 0.0176
Depth (km) 33 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118623001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1630
Semi-minor axis of confidence ellipse (meter) 1399
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 1630.0
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 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.19066
Epicentral distance of station farthest from the epicenter (degree) 1.53244
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 118623001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-21 18:55:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.LUSI.HHZ. 2023-06-21T18:34:07.50 0.3 undecidable manual S 5 170.0964 54 0.49 55
ST.DOSS.HHZ. 2023-06-21T18:34:06.16 0.3 undecidable manual S 12 164.4132 54 0.37 58
ST.VARA.EHZ. 2023-06-21T18:34:02.98 0.6 undecidable manual S 5 155.0226 54 -0.78 35
IV.MAGA.HHZ. 2023-06-21T18:34:01.99 1.0 undecidable manual S 357 149.0397 54 -0.5 20
IV.ROVR.HHZ. 2023-06-21T18:33:59.88 3.0 undecidable manual S 11 137.1627 54 -0.03 0
SI.LUSI.HHZ. 2023-06-21T18:33:48.93 0.1 undecidable manual P 5 170.0964 54 0.8 65
ST.DOSS.HHZ. 2023-06-21T18:33:47.56 1.0 undecidable manual P 12 164.4132 54 0.14 20
ST.VARA.EHZ. 2023-06-21T18:33:46.38 0.6 undecidable manual P 5 155.0226 54 0.13 43
IV.MAGA.HHZ. 2023-06-21T18:33:45.51 0.3 undecidable manual P 357 149.0397 54 -0.01 67
IV.ROVR.HHZ. 2023-06-21T18:33:43.27 1.0 undecidable manual P 11 137.1627 54 -0.76 19
GU.CARD.HHE. 2023-06-21T18:33:40.46 0.3 undecidable manual S 204 49.5171 119 0.89 62
GU.GRAM.HHE. 2023-06-21T18:33:40.81 0.6 undecidable manual S 277 53.502 117 0.3 50
GU.POPM.HHZ. 2023-06-21T18:33:38.61 0.1 undecidable manual S 178 43.1235 123 0.49 100
IV.BDI.HHZ. 2023-06-21T18:33:38.04 0.6 undecidable manual S 195 42.624 123 0.04 55
MN.VLC.HNE. 2023-06-21T18:33:37.89 0.6 undecidable manual S 222 41.1255 124 0.21 53
GU.SARM.EHZ. 2023-06-21T18:33:36.88 0.6 undecidable manual S 224 38.3283 126 -0.19 54
IV.ZCCA.HHZ. 2023-06-21T18:33:34.27 0.3 undecidable manual S 116 21.1677 144 0.45 79
GU.GRAM.HHE. 2023-06-21T18:33:32.36 0.6 undecidable manual P 277 53.502 117 -0.47 50
GU.CARD.HHE. 2023-06-21T18:33:32.26 0.6 undecidable manual P 204 49.5171 119 -0.03 55
MN.VLC.HNE. 2023-06-21T18:33:31.06 0.6 undecidable manual P 222 41.1255 124 -0.13 54
GU.POPM.HHZ. 2023-06-21T18:33:30.74 0.1 undecidable manual P 178 43.1235 123 -0.7 92
GU.SARM.EHZ. 2023-06-21T18:33:30.51 0.6 undecidable manual P 224 38.3283 126 -0.34 52
IV.BDI.HHZ. 2023-06-21T18:33:30.82 0.3 undecidable manual P 195 42.624 123 -0.56 73
IV.ZCCA.HHZ. 2023-06-21T18:33:28.35 0.1 negative manual P 116 21.1677 144 -0.62 98
IV.MTRZ.HHZ. 2023-06-21T18:33:27.00 1.0 undecidable manual P 56.2992 -6.21 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHN. ML:1.8 0.0002305 1.56 AML other m 2023-06-21T18:33:35.17
IV.ZCCA.HHE. ML:1.7 0.0001825 0.44 AML other m 2023-06-21T18:33:35.53
IV.BDI.HHN. ML:1.3 0.0000494 0.3 AML other m 2023-06-21T18:33:39.46
IV.BDI.HHE. ML:1.4 0.0000621 0.14 AML other m 2023-06-21T18:33:39.32
OX.MARN.HHE. ML:2.0 0.0000555 0.38 AML other m 2023-06-21T18:33:59.45
IV.CSNT.HHE. ML:1.4 0.00001915 0.72 AML other m 2023-06-21T18:34:00.93
IV.CSNT.HHN. ML:1.6 0.00002755 1.48 AML other m 2023-06-21T18:34:01.13
OX.MARN.HHN. ML:2.1 0.00007485 1.3 AML other m 2023-06-21T18:34:01.18
IV.ROVR.HHE. ML:1.9 0.00004625 1.36 AML other m 2023-06-21T18:34:01.83
IV.ROVR.HHN. ML:2.0 0.000056349999999999994 1.28 AML other m 2023-06-21T18:34:01.26
IV.MAGA.HHE. ML:2.2 0.00007209999999999999 0.64 AML other m 2023-06-21T18:34:05.33
ST.VARA.EHN. ML:2.0 0.00004505 0.82 AML other m 2023-06-21T18:34:07.69
IV.MAGA.HHN. ML:2.0 0.00004415 0.3 AML other m 2023-06-21T18:34:08.12
ST.VARA.EHE. ML:2.2 0.0000731 0.66 AML other m 2023-06-21T18:34:08.11
ST.DOSS.HHN. ML:1.8 0.00002525 1.32 AML other m 2023-06-21T18:34:10.90
SI.LUSI.HHN. ML:2.0 0.00003995 1.78 AML other m 2023-06-21T18:34:11.04
ST.DOSS.HHE. ML:1.7 0.000021649999999999998 0.22 AML other m 2023-06-21T18:34:12.15
SI.LUSI.HHE. ML:1.8 0.000027099999999999998 1.44 AML other m 2023-06-21T18:34:12.79
IV.ARVD.HHN. ML:1.7 0.0000141 1.58 AML other m 2023-06-21T18:34:33.96
IV.ARVD.HHE. ML:1.9 0.000020749999999999996 0.08 AML other m 2023-06-21T18:34:33.89
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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