Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 08-12-2021 and time 22:48:48 (UTC) in region 4 km E Prignano sulla Secchia (MO)

A magnitude ML 2.3 earthquake occured in region: 4 km E Prignano sulla Secchia (MO), on

  • 08-12-2021 22:48:48 (UTC)
  • 08-12-2021 23:48:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4250, 10.7360 at 29 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.

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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
Prignano sulla Secchia MO 4 3747 3747
Serramazzoni MO 4 8282 12029
Polinago MO 9 1672 13701
Castellarano RE 10 15232 28933
Montefiorino MO 11 2203 31136
Pavullo nel Frignano MO 12 17383 48519
Lama Mocogno MO 13 2734 51253
Palagano MO 13 2194 53447
Baiso RE 13 3315 56762
Sassuolo MO 14 40853 97615
Fiorano Modenese MO 14 17160 114775
Toano RE 15 4463 119238
Maranello MO 15 17359 136597
Viano RE 17 3374 139971
Carpineti RE 18 4064 144035
Guiglia MO 18 3931 147966
Casalgrande RE 19 19310 167276
Marano sul Panaro MO 19 5060 172336
Castelvetro di Modena MO 19 11185 183521
Formigine MO 19 34323 217844
Frassinoro MO 19 1926 219770
Montecreto MO 20 940 220710
Scandiano RE 20 25483 246193

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Modena (184973 inhabitants)
32 Km S of Reggio nell'Emilia (171345 inhabitants)
42 Km SW of Carpi (70699 inhabitants)
49 Km W of Bologna (386663 inhabitants)
53 Km SE of Parma (192836 inhabitants)
56 Km N of Pistoia (90315 inhabitants)
64 Km NE of Carrara (63133 inhabitants)
64 Km NE of Massa (69479 inhabitants)
67 Km NW of Prato (191150 inhabitants)
67 Km N of Lucca (89046 inhabitants)
73 Km NE of Viareggio (62467 inhabitants)
78 Km W of Imola (69797 inhabitants)
80 Km E of La Spezia (93959 inhabitants)
82 Km NW of Scandicci (50609 inhabitants)
83 Km NE of Pisa (89158 inhabitants)
84 Km SW of Ferrara (133155 inhabitants)
84 Km NW of Firenze (382808 inhabitants)
93 Km W of Faenza (58541 inhabitants)
97 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
Bulletin
Rev1000 		ML 2.3 2021-12-08
22:48:48		 44.4248 10.7362 29 2022-03-30
13:04:37		 Bollettino Sismico Italiano INGV 100882281
Reviewed
Rev100 		ML 2.4 2021-12-08
22:48:48		 44.4233 10.7123 27 2021-12-08
23:00:40		 Sala Sismica INGV-Roma 98322441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-08 22:48:48 ± 0.09
Latitude 44.4248 ± 0.0072
Longitude 10.7362 ± 0.0126
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100882281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 631
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 39
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.33824
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 100882281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-17 16:37:19

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 98322441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-08 23:00:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.RSF3.HHZ.02 2021-12-08T22:50:19.42 3.0 undecidable manual Pg 19.200001 0
IV.LAV9.HHZ. 2021-12-08T22:50:14.43 3.0 undecidable manual Sn -0.74 0
IV.MTMR.HNZ. 2021-12-08T22:50:11.68 3.0 undecidable manual Pg 12.19 0
IV.MTRA.EHZ. 2021-12-08T22:50:04.63 3.0 undecidable manual Sn 2.59 0
OT.OT17.EHZ. 2021-12-08T22:50:03.18 3.0 positive manual Pn 8.43 0
GU.DGI.HHZ. 2021-12-08T22:49:58.31 3.0 undecidable manual P 0
IV.BULT.EHZ. 2021-12-08T22:49:50.86 3.0 undecidable manual P 0.57 0
OX.SABO.HNZ. 2021-12-08T22:49:38.75 3.0 undecidable manual Pg 8.82 0
SI.ABSI.HHZ. 2021-12-08T22:49:25.79 0.6 undecidable manual P 10 259.5402 54 0.24 19
GU.CANO.HHZ. 2021-12-08T22:49:18.92 0.3 undecidable manual P 264 199.7445 54 0.81 37
GU.PCP.HHZ. 2021-12-08T22:49:15.59 0.6 undecidable manual P 275 173.8926 54 0.71 29
IV.RUFI.EHZ. 2021-12-08T22:49:15.87 0.3 undecidable manual S 136 89.6436 103 0.66 58
ST.RONC.EHZ. 2021-12-08T22:49:15.25 0.6 undecidable manual P 357 172.7937 54 0.5 32
SI.LUSI.HHZ. 2021-12-08T22:49:14.27 0.3 undecidable manual P 5 170.9955 54 -0.26 51
ST.VARA.EHZ. 2021-12-08T22:49:13.04 0.6 undecidable manual P 5 155.9217 54 0.38 36
ST.DOSS.HHZ. 2021-12-08T22:49:13.08 0.3 undecidable manual P 12 165.3123 54 -0.75 45
IV.MAGA.HHZ. 2021-12-08T22:49:12.05 0.6 undecidable manual P 357 150.0387 54 0.12 39
IV.SGAL.EHZ. 2021-12-08T22:49:10.01 0.3 undecidable manual P 345 130.6692 54 0.5 56
IV.MBAL.EHZ. 2021-12-08T22:49:10.77 0.3 undecidable manual P 4 141.5472 54 -0.09 59
IV.VOBA.EHZ. 2021-12-08T22:49:10.98 0.3 undecidable manual P 352 136.3635 54 0.76 50
OX.MARN.HHZ. 2021-12-08T22:49:09.67 0.3 undecidable manual P 15 139.5603 54 -0.95 45
IV.ZEN8.EHZ. 2021-12-08T22:49:09.65 0.6 undecidable manual P 360 134.5653 54 -0.35 38
IV.ROVR.HHZ. 2021-12-08T22:49:09.77 0.3 undecidable manual P 11 138.0618 54 -0.66 51
IV.TEOL.HHZ. 2021-12-08T22:49:08.23 0.3 undecidable manual P 35 127.3725 54 -0.88 48
IV.TREG.EHZ. 2021-12-08T22:49:08.32 0.3 undecidable manual P 15 126.2736 54 -0.65 53
IV.CSNT.HHZ. 2021-12-08T22:49:08.33 0.6 undecidable manual P 157 114.4965 54 0.83 34
IV.RUFI.EHZ. 2021-12-08T22:49:04.63 0.3 undecidable manual P 136 89.6436 103 0.81 54
GU.CARD.HHZ. 2021-12-08T22:49:04.23 0.6 undecidable manual S 205 48.618 115 -0.61 42
IV.BDI.HHZ. 2021-12-08T22:49:03.26 0.3 undecidable manual S 196 41.7249 120 0.07 73
GU.POPM.HHZ. 2021-12-08T22:49:03.06 0.3 undecidable manual S 178 42.1245 119 -0.24 70
IV.FNVD.HHZ. 2021-12-08T22:49:03.22 0.6 undecidable manual S 133 41.9247 120 -0.02 49
IV.SBPO.HNE. 2021-12-08T22:49:01.54 0.6 undecidable manual P 12 70.9734 107 0.49 42
GU.MAIM.HHZ. 2021-12-08T22:48:59.59 0.3 undecidable manual P 199 59.9955 110 0.14 70
IV.ERBM.EHN. 2021-12-08T22:48:59.96 0.3 undecidable manual S 269 25.6521 135 0.21 72
GU.GRAM.HHE. 2021-12-08T22:48:59.02 0.3 undecidable manual P 278 53.6019 113 0.49 65
GU.EQUI.HHN. 2021-12-08T22:48:59.38 0.6 undecidable manual P 238 54.501 113 0.73 39
IV.RAVA.EHZ. 2021-12-08T22:48:58.39 0.3 undecidable manual P 39 47.619 116 0.7 60
IV.CAVE.HHZ. 2021-12-08T22:48:58.62 0.3 undecidable manual P 23 53.3022 113 0.13 70
GU.CARD.HHZ. 2021-12-08T22:48:57.65 0.1 undecidable manual P 205 48.618 115 -0.19 93
GU.GSCL.HHZ. 2021-12-08T22:48:57.32 0.3 undecidable manual S 235 14.3745 151 -0.6 68
IV.BDI.HHZ. 2021-12-08T22:48:56.46 0.1 undecidable manual P 196 41.7249 120 -0.42 90
GU.POPM.HHZ. 2021-12-08T22:48:56.53 0.3 undecidable manual P 178 42.1245 119 -0.42 67
IV.FNVD.HHZ. 2021-12-08T22:48:56.68 0.3 undecidable manual P 133 41.9247 120 -0.23 70
IV.MODE.HNN. 2021-12-08T22:48:55.22 0.1 undecidable manual P 36 28.2495 131 0.02 100
IV.ZCCA.HHZ. 2021-12-08T22:48:54.70 0.1 positive manual P 113 20.7681 141 0.31 96
IV.ERBM.EHN. 2021-12-08T22:48:54.80 0.1 undecidable manual P 269 25.6521 135 -0.1 100
GU.GSCL.HHZ. 2021-12-08T22:48:53.38 0.1 undecidable manual P 235 14.3745 151 -0.46 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:2.6 0.00166 0.16 AML other m 2021-12-08T22:48:57.69
GU.GSCL.HHE. ML:2.7 0.00244 0.2 AML other m 2021-12-08T22:48:57.76
IV.ZCCA.HNN. ML:2.7 0.00196 0.36 AML other m 2021-12-08T22:49:01.25
IV.ZCCA.HHN. ML:2.7 0.0019749999999999998 0.34 AML other m 2021-12-08T22:49:01.25
IV.ZCCA.HHE. ML:2.3 0.0008595 0.3 AML other m 2021-12-08T22:49:01.17
IV.ZCCA.HNE. ML:2.3 0.0008489999999999999 0.32 AML other m 2021-12-08T22:49:01.17
IV.BDI.HHN. ML:1.7 0.00012733755999999998 0.256 AML other m 2021-12-08T22:49:03.71
IV.BDI.HNN. ML:1.8 0.00016791119999999999 0.4224 AML other m 2021-12-08T22:49:03.74
GU.POPM.HHN. ML:1.9 0.00022199999999999998 0.2 AML other m 2021-12-08T22:49:05.10
IV.BDI.HNE. ML:1.8 0.00014861089999999998 0.2688 AML other m 2021-12-08T22:49:05.32
IV.BDI.HHE. ML:1.7 0.00012139545000000002 0.2432 AML other m 2021-12-08T22:49:05.31
GU.CARD.HHN. ML:1.6 0.00008673696 0.2688 AML other m 2021-12-08T22:49:05.73
GU.POPM.HHE. ML:1.7 0.00013603085 0.1536 AML other m 2021-12-08T22:49:05.75
GU.CARD.HHE. ML:1.6 0.000079944665 0.128 AML other m 2021-12-08T22:49:06.28
GU.MAIM.HHE. ML:1.4 0.000050024357550000005 0.32 AML other m 2021-12-08T22:49:07.62
IV.RAVA.EHN. ML:2.2 0.0003225555 0.3584 AML other m 2021-12-08T22:49:08.60
IV.RAVA.EHE. ML:1.9 0.00017704104999999998 0.2176 AML other m 2021-12-08T22:49:08.51
IV.CAVE.HHE. ML:2.2 0.00030007115 0.256 AML other m 2021-12-08T22:49:10.86
IV.CAVE.HHN. ML:2.1 0.00023588085 0.2432 AML other m 2021-12-08T22:49:11.64
GU.MAIM.HHN. ML:1.6 0.000075852475 0.256 AML other m 2021-12-08T22:49:12.38
IV.TEOL.HHE. ML:2.5 0.00018613370000000002 0.256 AML other m 2021-12-08T22:49:27.15
IV.SGAL.EHE. ML:2.0 0.00006471907 0.1152 AML other m 2021-12-08T22:49:27.57
IV.TREG.EHN. ML:2.4 0.000179 0.62 AML other m 2021-12-08T22:49:27.75
IV.TREG.HNN. ML:2.5 0.0002109454 0.3328 AML other m 2021-12-08T22:49:27.76
IV.TEOL.HHN. ML:2.4 0.0001595 0.42 AML other m 2021-12-08T22:49:28.92
IV.SGAL.EHN. ML:2.0 0.00006464002 0.2048 AML other m 2021-12-08T22:49:29.40
IV.VOBA.EHE. ML:2.6 0.00021200000000000003 0.18 AML other m 2021-12-08T22:49:29.42
IV.VOBA.HNE. ML:2.9 0.00045 0.18 AML other m 2021-12-08T22:49:29.42
IV.TREG.HNE. ML:2.6 0.00024540915 0.2176 AML other m 2021-12-08T22:49:29.54
IV.TREG.EHE. ML:2.6 0.000237 0.22 AML other m 2021-12-08T22:49:29.54
IV.VOBA.HNN. ML:2.8 0.00036325565000000005 0.2176 AML other m 2021-12-08T22:49:29.77
IV.VOBA.EHN. ML:2.5 0.00020150000000000002 0.2 AML other m 2021-12-08T22:49:29.67
IV.ZEN8.EHE. ML:1.6 0.000025247755 0.1152 AML other m 2021-12-08T22:49:29.81
OX.MARN.HHE. ML:2.2 0.000095049915 0.2816 AML other m 2021-12-08T22:49:29.84
IV.ZEN8.EHN. ML:1.9 0.000042973255 0.2048 AML other m 2021-12-08T22:49:29.86
IV.MBAL.EHN. ML:2.4 0.00014588465 0.0896 AML other m 2021-12-08T22:49:30.87
IV.MBAL.HNE. ML:2.4 0.00013982775 0.0896 AML other m 2021-12-08T22:49:30.87
IV.MBAL.HNN. ML:2.4 0.0001352599 0.1024 AML other m 2021-12-08T22:49:31.01
OX.MARN.HNN. ML:2.1 0.00006764242500000001 0.3584 AML other m 2021-12-08T22:49:31.46
IV.ROVR.HNE. ML:2.3 0.000116418825 0.2304 AML other m 2021-12-08T22:49:32.26
IV.ROVR.HNN. ML:2.6 0.00021001005 0.3072 AML other m 2021-12-08T22:49:32.61
IV.ROVR.HHN. ML:2.5 0.00017721965 0.1664 AML other m 2021-12-08T22:49:33.04
IV.MBAL.EHE. ML:2.3 0.00011376324999999999 0.1024 AML other m 2021-12-08T22:49:33.29
IV.ROVR.HHE. ML:2.2 0.00008964477 0.2816 AML other m 2021-12-08T22:49:33.57
OX.MARN.HHN. ML:2.3 0.00011525 0.42 AML other m 2021-12-08T22:49:33.43
IV.MAGA.HHN. ML:2.5 0.00015336415000000001 0.192 AML other m 2021-12-08T22:49:34.30
ST.VARA.HNE. ML:2.4 0.00011566917000000002 0.2176 AML other m 2021-12-08T22:49:34.60
ST.VARA.HNN. ML:2.6 0.0001941449 0.4352 AML other m 2021-12-08T22:49:36.90
IV.MAGA.HHE. ML:2.6 0.0002055 0.42 AML other m 2021-12-08T22:49:36.57
ST.VARA.EHE. ML:2.6 0.00017342385 0.4352 AML other m 2021-12-08T22:49:36.68
ST.DOSS.HNE. ML:2.2 0.000059834664999999996 0.384 AML other m 2021-12-08T22:49:36.81
ST.DOSS.HHN. ML:2.2 0.00006870014499999999 0.2432 AML other m 2021-12-08T22:49:37.61
ST.DOSS.HHE. ML:2.4 0.000102152995 0.2816 AML other m 2021-12-08T22:49:38.09
ST.DOSS.HNN. ML:2.3 0.0000863170303 0.3712 AML other m 2021-12-08T22:49:38.94
SI.LUSI.HHE. ML:2.3 0.00007722042000000001 0.1408 AML other m 2021-12-08T22:49:39.09
SI.LUSI.HHN. ML:2.7 0.000180073 0.3072 AML other m 2021-12-08T22:49:40.50
ST.RONC.EHN. ML:2.4 0.000094215705 0.2176 AML other m 2021-12-08T22:49:40.90
ST.RONC.EHE. ML:2.4 0.00009058864499999999 0.3584 AML other m 2021-12-08T22:49:41.13
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