Earthquake with magnitude of ML 1.3 on date 21-12-2022 and time 02:20:58 (UTC) in region 2 km SW Prignano sulla Secchia (MO)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Prignano sulla Secchia (MO), on

  • 21-12-2022 02:20:58 (UTC)
  • 21-12-2022 03:20:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4220, 10.6830 at 28 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 2 3747 3747
Montefiorino MO 8 2203 5950
Serramazzoni MO 9 8282 14232
Polinago MO 9 1672 15904
Baiso RE 11 3315 19219
Castellarano RE 11 15232 34451
Toano RE 11 4463 38914
Palagano MO 11 2194 41108
Lama Mocogno MO 13 2734 43842
Carpineti RE 13 4064 47906
Viano RE 15 3374 51280
Pavullo nel Frignano MO 15 17383 68663
Sassuolo MO 16 40853 109516
Frassinoro MO 16 1926 111442
Fiorano Modenese MO 17 17160 128602
Casina RE 18 4504 133106
Villa Minozzo RE 18 3750 136856
Maranello MO 19 17359 154215
Casalgrande RE 19 19310 173525
Montecreto MO 19 940 174465
Scandiano RE 20 25483 199948

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km S of Reggio nell'Emilia (171345 inhabitants)
32 Km SW of Modena (184973 inhabitants)
43 Km SW of Carpi (70699 inhabitants)
51 Km SE of Parma (192836 inhabitants)
53 Km W of Bologna (386663 inhabitants)
57 Km NW of Pistoia (90315 inhabitants)
60 Km NE of Carrara (63133 inhabitants)
61 Km NE of Massa (69479 inhabitants)
66 Km N of Lucca (89046 inhabitants)
69 Km NW of Prato (191150 inhabitants)
71 Km NE of Viareggio (62467 inhabitants)
76 Km E of La Spezia (93959 inhabitants)
82 Km N of Pisa (89158 inhabitants)
82 Km W of Imola (69797 inhabitants)
84 Km NW of Scandicci (50609 inhabitants)
86 Km NW of Firenze (382808 inhabitants)
87 Km SW of Ferrara (133155 inhabitants)
95 Km SE of Cremona (71901 inhabitants)
97 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
Bulletin
Rev1000
ML 1.3 2022-12-21
02:20:58
44.4217 10.6828 28 2024-03-01
15:28:17
Bollettino Sismico Italiano INGV 113802821
Reviewed
Rev100
ML 1.6 2022-12-21
02:20:57
44.4203 10.7003 30 2022-12-21
02:29:06
Sala Sismica INGV-Roma 112990391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-21 02:20:58 ± 0.46
Latitude 44.4217 ± 0.0162
Longitude 10.6828 ± 0.0189
Depth (km) 28 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113802821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1522
Semi-minor axis of confidence ellipse (meter) 1289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70867
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 112990391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-21 02:29:06

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 113802821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-12 14:37:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2022-12-21T02:22:52.79 3.0 undecidable manual Sn 0.6 0
GU.MGRO.HHZ. 2022-12-21T02:22:05.24 3.0 undecidable manual Sn 3.23 0
OT.OT17.EHZ. 2022-12-21T02:22:04.81 3.0 negative manual Pn -0.12 0
ST.VARA.EHZ. 2022-12-21T02:21:46.62 3.0 undecidable manual S -0.08 0
IV.ATCC.EHZ. 2022-12-21T02:21:35.40 3.0 positive manual Pg 4.96 0
GU.POPM.HHE. 2022-12-21T02:21:13.03 0.6 undecidable manual S 172 42.2244 118 -0.15 50
IV.BDI.HHZ. 2022-12-21T02:21:12.92 0.6 undecidable manual S 190 40.4262 119 0.16 50
IV.PII.HHZ. 2022-12-21T02:21:12.24 0.3 undecidable manual P 189 78.6657 104 0.05 72
GU.SARM.EHZ. 2022-12-21T02:21:11.53 0.6 undecidable manual S 220 34.5432 123 0.1 51
IV.MPPT.EHN. 2022-12-21T02:21:11.53 0.6 undecidable manual P 148 60.7947 109 1.98 20
IV.ZCCA.HHZ. 2022-12-21T02:21:10.48 0.6 undecidable manual S 109 24.5532 134 1.15 36
GU.MAIM.HHZ. 2022-12-21T02:21:10.06 0.6 undecidable manual P 195 58.3971 110 0.86 39
IV.ERBM.EHN. 2022-12-21T02:21:09.25 0.3 undecidable manual S 269 21.3675 138 0.5 71
GU.EQUI.HHZ. 2022-12-21T02:21:08.56 0.6 undecidable manual P 236 50.7159 113 0.46 46
GU.CARD.HHE. 2022-12-21T02:21:07.45 0.3 undecidable manual P 200 46.7199 115 -0.08 76
IV.BDI.HHZ. 2022-12-21T02:21:06.23 0.1 undecidable manual P 190 40.4262 119 -0.43 95
GU.POPM.HHE. 2022-12-21T02:21:06.51 0.3 undecidable manual P 172 42.2244 118 -0.4 71
GU.GSCL.HHZ. 2022-12-21T02:21:06.90 0.6 undecidable manual S 224 10.878 156 -0.32 51
GU.SARM.EHZ. 2022-12-21T02:21:05.73 0.3 undecidable manual P 220 34.5432 123 -0.16 76
IV.ERBM.EHN. 2022-12-21T02:21:04.36 0.3 undecidable manual P 269 21.3675 138 0.01 80
IV.ZCCA.HHZ. 2022-12-21T02:21:04.40 0.1 undecidable manual P 109 24.5532 134 -0.28 100
GU.GSCL.HHZ. 2022-12-21T02:21:02.96 0.1 undecidable manual P 224 10.878 156 -0.5 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.6 0.00021100000000000003 0.3 AML other m 2022-12-21T02:21:07.38
GU.GSCL.HHN. ML:1.4 0.00014050000000000003 0.52 AML other m 2022-12-21T02:21:07.17
IV.ZCCA.HNE. ML:1.4 0.000098145155 0.5808 AML other m 2022-12-21T02:21:10.74
IV.ZCCA.HHE. ML:1.0 0.00003557319150000001 0.28 AML other m 2022-12-21T02:21:10.94
IV.ZCCA.HNN. ML:1.8 0.00024541980000000003 1.1104 AML other m 2022-12-21T02:21:10.99
IV.ZCCA.HHN. ML:1.5 0.00011557547500000002 0.4416 AML other m 2022-12-21T02:21:11.22
IV.BDI.HHN. ML:1.0 0.000026826933499999997 0.48 AML other m 2022-12-21T02:21:13.56
IV.BDI.HHE. ML:0.9 0.000019111184 0.24 AML other m 2022-12-21T02:21:15.64
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