Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 08-12-2021 and time 15:05:40 (Italy) in region 2 km SW Prignano sulla Secchia (MO)

A magnitude ML 2.5 earthquake occured in region: 2 km SW Prignano sulla Secchia (MO), on

  • 08-12-2021 14:05:40 (UTC)
  • 08-12-2021 15:05:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4220, 10.6690 at 32 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 2 3747 3747
Montefiorino MO 8 2203 5950
Polinago MO 10 1672 7622
Serramazzoni MO 10 8282 15904
Baiso RE 10 3315 19219
Toano RE 10 4463 23682
Castellarano RE 11 15232 38914
Palagano MO 11 2194 41108
Carpineti RE 12 4064 45172
Lama Mocogno MO 14 2734 47906
Viano RE 15 3374 51280
Frassinoro MO 16 1926 53206
Pavullo nel Frignano MO 16 17383 70589
Sassuolo MO 16 40853 111442
Casina RE 17 4504 115946
Villa Minozzo RE 17 3750 119696
Fiorano Modenese MO 17 17160 136856
Montecreto MO 20 940 137796
Maranello MO 20 17359 155155
Casalgrande RE 20 19310 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)
44 Km SW of Carpi (70699 inhabitants)
50 Km SE of Parma (192836 inhabitants)
54 Km W of Bologna (386663 inhabitants)
58 Km NW of Pistoia (90315 inhabitants)
59 Km NE of Carrara (63133 inhabitants)
60 Km NE of Massa (69479 inhabitants)
66 Km N of Lucca (89046 inhabitants)
69 Km NW of Prato (191150 inhabitants)
70 Km NE of Viareggio (62467 inhabitants)
76 Km E of La Spezia (93959 inhabitants)
81 Km N of Pisa (89158 inhabitants)
84 Km W of Imola (69797 inhabitants)
84 Km NW of Scandicci (50609 inhabitants)
86 Km NW of Firenze (382808 inhabitants)
88 Km SW of Ferrara (133155 inhabitants)
94 Km SE of Cremona (71901 inhabitants)
98 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 2.5 2021-12-08
14:05:40		 44.4223 10.669 32 2022-03-30
13:04:36		 Bollettino Sismico Italiano INGV 100782371
Reviewed
Rev100 		ML 2.6 2021-12-08
14:05:39		 44.4382 10.6347 34 2021-12-08
14:24:28		 Sala Sismica INGV-Roma 98301031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-08 14:05:40 ± 0.13
Latitude 44.4223 ± 0.0063
Longitude 10.6690 ± 0.0113
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100782371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 929
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
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) 64
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.34903
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 100782371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-17 16:34:40

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 98301031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-08 14:24:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2021-12-08T14:06:17.36 1.0 undecidable manual P 11 260.739 54 0.06 10
IV.RUFI.EHZ. 2021-12-08T14:06:08.80 0.3 undecidable manual S 134 93.1401 104 0.71 57
ST.RONC.EHZ. 2021-12-08T14:06:07.94 0.3 undecidable manual P 359 172.8936 54 1.58 28
ST.PANI.EHZ. 2021-12-08T14:06:07.60 1.0 undecidable manual P 16 187.8675 54 -0.63 15
ST.DOSS.HHZ. 2021-12-08T14:06:05.84 1.0 undecidable manual P 14 166.8108 54 0.23 18
SI.LUSI.HHZ. 2021-12-08T14:06:05.82 1.0 undecidable manual P 7 171.8946 54 -0.42 17
ST.VARA.EHZ. 2021-12-08T14:06:03.84 1.0 undecidable manual P 6 156.7209 54 -0.51 18
IV.CAFI.HHZ. 2021-12-08T14:06:03.03 3.0 undecidable manual P -1.64 0
IV.MAGA.HHZ. 2021-12-08T14:06:03.75 1.0 undecidable manual P 359 150.1386 54 0.22 19
IV.MBAL.EHZ. 2021-12-08T14:06:02.83 1.0 undecidable manual P 6 142.2465 54 0.28 19
IV.SEI.HHZ. 2021-12-08T14:06:02.20 0.3 undecidable manual S 126 68.376 110 0.45 66
IV.ZEN8.EHZ. 2021-12-08T14:06:01.24 1.0 undecidable manual P 2 134.9649 54 -0.4 20
IV.SGAL.EHZ. 2021-12-08T14:06:01.53 1.0 undecidable manual P 348 129.6702 54 0.54 19
IV.ROVR.HHZ. 2021-12-08T14:06:01.44 1.0 undecidable manual P 13 139.4604 54 -0.76 17
IV.TEOL.HHZ. 2021-12-08T14:06:00.04 0.3 undecidable manual P 37 130.7691 54 -1.08 46
IV.RAVA.EHZ. 2021-12-08T14:05:58.10 0.3 undecidable manual S 44 51.3153 117 0.54 66
IV.VMAN.HHN. 2021-12-08T14:05:57.41 1.0 undecidable manual P 360 98.8233 103 0.3 21
GU.CARD.HHZ. 2021-12-08T14:05:56.83 0.3 undecidable manual S 199 46.4202 119 0.42 70
IV.RUFI.EHZ. 2021-12-08T14:05:56.62 0.1 undecidable manual P 134 93.1401 104 0.36 85
GU.POPM.HHZ. 2021-12-08T14:05:55.70 0.3 undecidable manual S 171 42.4242 122 0.2 74
IV.BDI.HHZ. 2021-12-08T14:05:55.30 0.3 undecidable manual S 188 40.3263 123 0.28 73
IV.MODE.HNE. 2021-12-08T14:05:53.60 0.3 undecidable manual S 44 31.9458 130 0.37 72
IV.SEI.HHZ. 2021-12-08T14:05:53.04 0.3 undecidable manual P 126 68.376 110 0.44 66
IV.CRMI.HNN. 2021-12-08T14:05:53.24 0.3 undecidable manual P 160 73.7706 108 -0.15 70
IV.ERBM.EHE. 2021-12-08T14:05:51.50 0.3 undecidable manual S 269 20.2686 144 0.38 74
GU.MAIM.HHZ. 2021-12-08T14:05:51.40 0.3 undecidable manual P 194 58.1973 113 0.25 71
GU.EQUI.HHN. 2021-12-08T14:05:50.52 0.3 undecidable manual P 235 49.9167 117 0.54 67
IV.MOCL.EHZ. 2021-12-08T14:05:50.99 0.3 undecidable manual P 139 61.5939 112 -0.64 63
IV.RAVA.EHZ. 2021-12-08T14:05:50.15 0.1 undecidable manual P 44 51.3153 117 -0.03 100
GU.GRAM.HHZ. 2021-12-08T14:05:50.58 0.3 undecidable manual P 279 48.4182 118 0.79 61
GU.GSCL.HHZ. 2021-12-08T14:05:49.20 0.3 undecidable manual S 219 10.1787 160 -0.66 67
GU.CARD.HHZ. 2021-12-08T14:05:49.40 0.1 undecidable manual P 199 46.4202 119 -0.11 98
IV.BDI.HHZ. 2021-12-08T14:05:48.24 0.1 undecidable manual P 188 40.3263 123 -0.47 92
IV.FNVD.HHZ. 2021-12-08T14:05:48.35 0.3 undecidable manual P 128 45.8208 120 -1.08 54
IV.NEVI.HNE. 2021-12-08T14:05:48.00 0.3 undecidable manual P 303 33.1446 129 0.18 75
GU.POPM.HHZ. 2021-12-08T14:05:48.33 0.3 undecidable manual P 171 42.4242 122 -0.66 64
IV.MODE.HNE. 2021-12-08T14:05:47.07 0.6 undecidable manual P 44 31.9458 130 -0.61 45
IV.ZCCA.HHZ. 2021-12-08T14:05:46.51 0.1 positive manual P 108 25.6521 137 -0.46 95
IV.ERBM.EHE. 2021-12-08T14:05:46.45 0.3 undecidable manual P 269 20.2686 144 -0.01 79
GU.GSCL.HHZ. 2021-12-08T14:05:45.20 0.1 negative manual P 219 10.1787 160 -0.53 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:2.6 0.0017053995 0.1792 AML other m 2021-12-08T14:05:49.45
GU.GSCL.HHE. ML:2.7 0.00248 0.2 AML other m 2021-12-08T14:05:49.52
IV.ZCCA.HNN. ML:3.0 0.00313 0.36 AML other m 2021-12-08T14:05:53.09
IV.ZCCA.HHN. ML:3.0 0.0031500000000000005 0.34 AML other m 2021-12-08T14:05:53.09
IV.ZCCA.HHE. ML:2.6 0.00132 0.28 AML other m 2021-12-08T14:05:53.00
IV.ZCCA.HNE. ML:2.6 0.001265 0.3 AML other m 2021-12-08T14:05:53.01
GU.POPM.HHN. ML:2.1 0.0003390744 0.2176 AML other m 2021-12-08T14:05:56.90
GU.POPM.HHE. ML:2.1 0.000284 0.2 AML other m 2021-12-08T14:05:56.92
IV.BDI.HNE. ML:2.0 0.00024691485 0.2688 AML other m 2021-12-08T14:05:57.23
IV.BDI.HHE. ML:2.0 0.00022849999999999997 0.24 AML other m 2021-12-08T14:05:57.35
IV.BDI.HHN. ML:1.9 0.00020485904 0.2176 AML other m 2021-12-08T14:05:57.58
IV.BDI.HNN. ML:2.0 0.00023700274999999998 0.2688 AML other m 2021-12-08T14:05:57.72
IV.RAVA.EHN. ML:2.4 0.0005119063 0.3392 AML other m 2021-12-08T14:06:00.22
IV.RAVA.EHE. ML:2.2 0.00031962475 0.4032 AML other m 2021-12-08T14:06:01.26
IV.SEI.HHE. ML:2.1 0.00018099999999999998 0.36 AML other m 2021-12-08T14:06:06.09
IV.SEI.HHN. ML:2.4 0.000391 0.4 AML other m 2021-12-08T14:06:08.10
IV.SGAL.EHE. ML:2.2 0.00009479436 0.1024 AML other m 2021-12-08T14:06:19.27
IV.SGAL.EHN. ML:2.1 0.000080631065 0.1344 AML other m 2021-12-08T14:06:19.76
IV.TEOL.HHN. ML:2.5 0.00018914880000000001 0.3584 AML other m 2021-12-08T14:06:20.25
IV.TEOL.HHE. ML:2.6 0.00027600000000000004 0.34 AML other m 2021-12-08T14:06:20.68
IV.ZEN8.EHN. ML:2.0 0.000059641150000000004 0.2624 AML other m 2021-12-08T14:06:21.35
IV.ZEN8.EHE. ML:1.8 0.000038377305 0.2368 AML other m 2021-12-08T14:06:21.32
IV.MBAL.HNE. ML:2.4 0.000142899735 0.1216 AML other m 2021-12-08T14:06:22.97
IV.MBAL.EHN. ML:2.5 0.00016063545 0.1152 AML other m 2021-12-08T14:06:24.04
IV.ROVR.HNN. ML:2.8 0.00033213549999999996 0.2688 AML other m 2021-12-08T14:06:24.37
IV.ROVR.HHE. ML:2.5 0.00017199999999999998 0.3 AML other m 2021-12-08T14:06:24.46
IV.ROVR.HNE. ML:2.5 0.00019003205000000002 0.3072 AML other m 2021-12-08T14:06:24.46
IV.ROVR.HHN. ML:2.8 0.00033899999999999995 0.24 AML other m 2021-12-08T14:06:24.37
IV.MBAL.EHE. ML:2.5 0.00015868150000000002 0.1216 AML other m 2021-12-08T14:06:24.69
IV.MBAL.HNN. ML:2.4 0.00014941185 0.1216 AML other m 2021-12-08T14:06:24.63
IV.MAGA.HHE. ML:2.7 0.00024647475 0.256 AML other m 2021-12-08T14:06:25.21
IV.MAGA.HHN. ML:2.7 0.00023700000000000001 0.26 AML other m 2021-12-08T14:06:26.58
ST.RONC.HNN. ML:2.5 0.0001228755 0.3776 AML other m 2021-12-08T14:06:27.74
ST.VARA.HNN. ML:2.7 0.00022077075000000003 0.2176 AML other m 2021-12-08T14:06:28.62
ST.VARA.HNE. ML:2.5 0.000153553415 0.2944 AML other m 2021-12-08T14:06:28.62
ST.VARA.EHE. ML:2.7 0.00024349999999999998 0.24 AML other m 2021-12-08T14:06:28.63
ST.DOSS.HHN. ML:2.5 0.0001194141 0.384 AML other m 2021-12-08T14:06:30.45
ST.DOSS.HNE. ML:2.5 0.000136511375 0.4032 AML other m 2021-12-08T14:06:30.26
ST.DOSS.HHE. ML:2.5 0.00012182186 0.1792 AML other m 2021-12-08T14:06:31.65
ST.DOSS.HNN. ML:2.5 0.00013284135 0.1984 AML other m 2021-12-08T14:06:31.65
SI.LUSI.HHN. ML:3.0 0.00035350000000000003 0.18 AML other m 2021-12-08T14:06:32.22
ST.RONC.EHE. ML:2.6 0.00013450000000000002 1.76 AML other m 2021-12-08T14:06:32.02
SI.LUSI.HHE. ML:2.5 0.00011943785 0.1856 AML other m 2021-12-08T14:06:33.12
ST.RONC.EHN. ML:2.6 0.00015755 0.2 AML other m 2021-12-08T14:06:34.23
ST.PANI.EHE. ML:2.3 0.000067861045 0.416 AML other m 2021-12-08T14:06:35.50
ST.PANI.EHN. ML:2.2 0.000054052654999999995 0.2368 AML other m 2021-12-08T14:06:37.51
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