Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 04-12-2021 and time 08:05:09 (UTC) in region 4 km S Canossa (RE)

A magnitude ML 2.5 earthquake occured in region: 4 km S Canossa (RE), on

  • 04-12-2021 08:05:09 (UTC)
  • 04-12-2021 09:05:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5610, 10.4070 at 22 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
Canossa RE 4 3844 3844
San Polo d'Enza RE 8 6083 9927
Neviano degli Arduini PR 8 3649 13576
Traversetolo PR 9 9425 23001
Casina RE 9 4504 27505
Quattro Castella RE 10 13195 40700
Vetto RE 10 1860 42560
Vezzano sul Crostolo RE 12 4259 46819
Lesignano de' Bagni PR 13 5028 51847
Langhirano PR 13 10315 62162
Bibbiano RE 13 10268 72430
Castelnovo ne' Monti RE 14 10465 82895
Carpineti RE 15 4064 86959
Montechiarugolo PR 15 10813 97772
Montecchio Emilia RE 16 10530 108302
Baiso RE 17 3315 111617
Albinea RE 17 8860 120477
Viano RE 17 3374 123851
Tizzano Val Parma PR 17 2077 125928
Cavriago RE 18 9839 135767
Felino PR 20 8790 144557

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Reggio nell'Emilia (171345 inhabitants)
28 Km S of Parma (192836 inhabitants)
42 Km W of Modena (184973 inhabitants)
45 Km SW of Carpi (70699 inhabitants)
59 Km NE of Carrara (63133 inhabitants)
62 Km NE of Massa (69479 inhabitants)
68 Km NE of La Spezia (93959 inhabitants)
71 Km SE of Cremona (71901 inhabitants)
75 Km W of Bologna (386663 inhabitants)
78 Km N of Viareggio (62467 inhabitants)
79 Km SE of Piacenza (102191 inhabitants)
80 Km N of Lucca (89046 inhabitants)
81 Km NW of Pistoia (90315 inhabitants)
94 Km NW of Prato (191150 inhabitants)
94 Km N of Pisa (89158 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 2021-12-04
08:05:09		 44.5608 10.407 22 2022-03-30
13:04:34		 Bollettino Sismico Italiano INGV 100568421
Reviewed
Rev100 		ML 1.9 2021-12-04
08:05:08		 44.556 10.3398 27 2021-12-04
08:20:29		 Sala Sismica INGV-Roma 98116161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-04 08:05:09 ± 0.1
Latitude 44.5608 ± 0.0072
Longitude 10.4070 ± 0.0126
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100568421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 980
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 2.05675
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 74
Type of magnitude ML
Reference to an origin 100568421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 15:13:19

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 98116161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-04 08:20:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.MOSI.HHZ. 2021-12-04T08:05:45.15 0.6 undecidable manual P 3 228.2937 54 1.86 11
IV.ZEN8.EHZ. 2021-12-04T08:05:44.38 0.6 undecidable manual S 12 122.1888 96 -0.06 41
IV.CTI.HHZ. 2021-12-04T08:05:38.15 0.3 undecidable manual P 30 191.364 54 -0.55 42
IV.MABI.HHZ. 2021-12-04T08:05:35.34 0.3 undecidable manual P 3 165.9117 54 -0.19 52
SI.LUSI.HHZ. 2021-12-04T08:05:34.09 0.3 undecidable manual P 15 160.7169 54 -0.79 44
ST.RONC.EHZ. 2021-12-04T08:05:34.72 0.3 undecidable manual P 6 158.3193 54 0.14 55
GU.PCP.HHZ. 2021-12-04T08:05:34.16 0.3 undecidable manual P 270 147.1416 54 0.96 44
IV.MDI.HHZ. 2021-12-04T08:05:33.13 0.3 undecidable manual P 338 144.5442 54 0.26 56
IV.SFI.EHZ. 2021-12-04T08:05:33.68 0.3 undecidable manual P 122 135.6642 95 2.04 23
ST.VARA.EHZ. 2021-12-04T08:05:32.73 0.3 undecidable manual P 15 145.4433 54 -0.25 56
OX.MARN.HHZ. 2021-12-04T08:05:31.28 0.3 undecidable manual P 27 134.9649 95 -0.26 57
IV.MAGA.HHZ. 2021-12-04T08:05:31.45 0.3 undecidable manual P 7 135.864 95 -0.22 58
IV.ROVR.HHZ. 2021-12-04T08:05:30.47 0.3 undecidable manual P 23 131.2686 95 -0.49 55
IV.MBAL.EHZ. 2021-12-04T08:05:30.64 0.3 undecidable manual P 16 130.9689 95 -0.28 58
IV.ZOVE.EHZ. 2021-12-04T08:05:29.95 0.3 undecidable manual P 40 130.3695 95 -0.88 47
IV.ZEN8.EHZ. 2021-12-04T08:05:29.55 0.3 undecidable manual P 12 122.1888 96 -0.02 62
GU.POPM.HHZ. 2021-12-04T08:05:29.78 0.6 undecidable manual S 154 63.5919 102 0.8 37
IV.SALO.HHZ. 2021-12-04T08:05:29.41 0.3 undecidable manual P 4 117.6933 96 0.53 55
GU.RNCA.HHE. 2021-12-04T08:05:29.37 0.3 undecidable manual P 266 115.5954 96 0.81 50
IV.SGAL.EHZ. 2021-12-04T08:05:28.34 0.3 undecidable manual P 356 111.4995 96 0.41 58
IV.BDI.HHZ. 2021-12-04T08:05:27.27 0.6 undecidable manual S 165 57.1983 104 -0.06 46
GU.GORR.HHN. 2021-12-04T08:05:25.05 0.3 undecidable manual P 274 88.1451 98 0.68 55
GU.EQUI.HHZ. 2021-12-04T08:05:24.04 0.6 undecidable manual S 205 48.2184 107 -0.96 36
IV.MPPT.EHN. 2021-12-04T08:05:24.09 0.3 undecidable manual P 141 86.1471 98 0.03 67
IV.BOB.HNE. 2021-12-04T08:05:23.71 0.6 undecidable manual P 287 79.0653 99 0.73 37
IV.MSSA.HHZ. 2021-12-04T08:05:22.56 0.3 undecidable manual P 249 75.4689 100 0.12 66
GU.MAIM.HHZ. 2021-12-04T08:05:22.57 0.6 undecidable manual P 175 72.1722 100 0.64 39
IV.PLMA.HHE. 2021-12-04T08:05:21.42 0.3 undecidable manual P 218 71.6727 100 -0.45 63
GU.POPM.HHZ. 2021-12-04T08:05:20.79 0.1 undecidable manual P 154 63.5919 102 0.15 90
IV.ZCCA.HHZ. 2021-12-04T08:05:20.17 0.3 undecidable manual P 117 50.7159 106 1.45 41
GU.CARD.HHZ. 2021-12-04T08:05:19.78 0.3 undecidable manual P 174 59.5959 103 -0.26 67
GU.GRAM.HHZ. 2021-12-04T08:05:19.58 0.6 undecidable manual S 254 28.1496 121 -0.48 45
GU.GSCL.HHZ. 2021-12-04T08:05:19.50 0.6 undecidable manual S 148 27.3504 121 -0.38 46
IV.BDI.HHZ. 2021-12-04T08:05:19.61 0.1 undecidable manual P 165 57.1983 104 -0.07 93
IV.ERBM.EHZ. 2021-12-04T08:05:18.09 0.6 undecidable manual S 178 15.6732 139 0.6 43
GU.EQUI.HHZ. 2021-12-04T08:05:17.06 0.3 undecidable manual P 205 48.2184 107 -1.28 46
IV.NEVI.HNZ. 2021-12-04T08:05:16.96 0.6 undecidable manual S 289 7.5813 158 0.6 43
GU.GRAM.HHZ. 2021-12-04T08:05:15.00 0.1 undecidable manual P 254 28.1496 121 -0.49 90
GU.GSCL.HHZ. 2021-12-04T08:05:15.11 0.1 undecidable manual P 148 27.3504 121 -0.28 94
IV.ERBM.EHZ. 2021-12-04T08:05:13.87 0.1 undecidable manual P 178 15.6732 139 -0.14 99
IV.NEVI.HNZ. 2021-12-04T08:05:13.17 0.1 undecidable manual P 289 7.5813 158 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:2.4 0.0011714319999999998 1.5968 AML other m 2021-12-04T08:05:20.17
GU.GRAM.HHN. ML:2.4 0.0010925 0.24 AML other m 2021-12-04T08:05:20.21
IV.BDI.HNE. ML:1.9 0.00015472265000000002 1.36 AML other m 2021-12-04T08:05:22.91
GU.GSCL.HHN. ML:2.1 0.00048411935 0.6016 AML other m 2021-12-04T08:05:22.69
GU.GSCL.HHE. ML:1.9 0.0003459762 0.7424 AML other m 2021-12-04T08:05:23.88
GU.EQUI.HHN. ML:1.6 0.0001125 0.52 AML other m 2021-12-04T08:05:27.28
IV.BDI.HHN. ML:1.8 0.00011629678 0.6016 AML other m 2021-12-04T08:05:29.50
IV.BDI.HHE. ML:1.7 0.00010164999999999999 1.08 AML other m 2021-12-04T08:05:29.88
GU.EQUI.HHE. ML:1.3 0.000047073745 1.4816 AML other m 2021-12-04T08:05:30.18
GU.POPM.HHE. ML:2.1 0.00021150000000000002 0.28 AML other m 2021-12-04T08:05:30.92
IV.BDI.HNN. ML:1.9 0.0001701867 0.7104 AML other m 2021-12-04T08:05:31.49
IV.ZCCA.HHE. ML:1.5 0.00007871270499999999 0.384 AML other m 2021-12-04T08:05:31.52
IV.ZCCA.HNE. ML:1.8 0.0001577661 0.7744 AML other m 2021-12-04T08:05:31.55
IV.ZCCA.HHN. ML:1.7 0.0001098968 0.3648 AML other m 2021-12-04T08:05:31.79
IV.ZCCA.HNN. ML:1.9 0.00019370885 0.448 AML other m 2021-12-04T08:05:31.80
GU.POPM.HHN. ML:2.1 0.0002035 1.48 AML other m 2021-12-04T08:05:32.80
GU.GENL.EHN. ML:2.7 0.00038963695 0.1024 AML other m 2021-12-04T08:05:34.05
GU.GENL.EHE. ML:2.4 0.00022066854999999998 0.096 AML other m 2021-12-04T08:05:34.08
OX.MARN.HNE. ML:3.4 0.00142344873 0.9824 AML other m 2021-12-04T08:05:36.19
IV.MSSA.HHN. ML:1.9 0.00011165 0.62 AML other m 2021-12-04T08:05:36.63
IV.MSSA.HHE. ML:2.0 0.00014350000000000002 1.44 AML other m 2021-12-04T08:05:39.05
IV.SGAL.EHN. ML:2.2 0.00012743 1.7568 AML other m 2021-12-04T08:05:43.10
IV.SGAL.EHE. ML:2.0 0.00009161224500000001 0.096 AML other m 2021-12-04T08:05:44.88
IV.ZEN8.HNN. ML:3.4 0.0019882365 1.1136 AML other m 2021-12-04T08:05:45.93
IV.ZEN8.EHE. ML:2.0 0.00006710529 0.3392 AML other m 2021-12-04T08:05:46.20
IV.ZEN8.EHN. ML:2.2 0.00012645072 0.2432 AML other m 2021-12-04T08:05:46.67
IV.SALO.HHN. ML:3.0 0.000815 0.6 AML other m 2021-12-04T08:05:47.47
IV.SALO.HNN. ML:3.0 0.0007946219000000001 0.5888 AML other m 2021-12-04T08:05:47.47
IV.SALO.HHE. ML:2.7 0.000406 0.44 AML other m 2021-12-04T08:05:47.50
IV.SALO.HNE. ML:2.7 0.00038578999999999995 0.4992 AML other m 2021-12-04T08:05:47.75
IV.ROVR.HNN. ML:2.9 0.0005880000000000001 0.28 AML other m 2021-12-04T08:05:48.43
IV.ROVR.HHN. ML:2.9 0.00056520905 0.3008 AML other m 2021-12-04T08:05:48.44
IV.ROVR.HNE. ML:2.6 0.0002665 0.26 AML other m 2021-12-04T08:05:48.55
IV.MBAL.EHN. ML:2.6 0.0002259035 0.1024 AML other m 2021-12-04T08:05:49.17
IV.MBAL.EHE. ML:2.6 0.00025496865 0.1024 AML other m 2021-12-04T08:05:49.57
IV.MBAL.HNE. ML:2.6 0.0002542447 0.1024 AML other m 2021-12-04T08:05:49.52
IV.SGAL.HNE. ML:4.0 0.008450132999999999 0.864 AML other m 2021-12-04T08:05:49.20
OX.MARN.HHE. ML:2.7 0.00027649999999999994 0.3 AML other m 2021-12-04T08:05:49.68
IV.MBAL.HNN. ML:2.4 0.0001695674 0.096 AML other m 2021-12-04T08:05:49.74
IV.ROVR.HHE. ML:2.6 0.00023449999999999998 0.84 AML other m 2021-12-04T08:05:49.86
IV.MAGA.HHN. ML:2.8 0.00038552245 1.6608 AML other m 2021-12-04T08:05:49.95
IV.MAGA.HHE. ML:3.0 0.0006 1.5 AML other m 2021-12-04T08:05:49.21
IV.ZOVE.EHN. ML:2.5 0.00021676295 0.256 AML other m 2021-12-04T08:05:50.14
OX.MARN.HHN. ML:2.5 0.00018903639999999998 0.2176 AML other m 2021-12-04T08:05:50.31
OX.MARN.HNN. ML:2.5 0.00020130409999999998 0.32 AML other m 2021-12-04T08:05:50.31
IV.MDI.HHN. ML:2.5 0.000176 0.36 AML other m 2021-12-04T08:05:52.64
IV.MDI.HNE. ML:2.6 0.000233568055 1.648 AML other m 2021-12-04T08:05:52.11
IV.MDI.HHE. ML:2.6 0.0001905 0.24 AML other m 2021-12-04T08:05:53.11
ST.VARA.HNE. ML:2.6 0.00021614875 1.584 AML other m 2021-12-04T08:05:54.94
SI.LUSI.HHE. ML:2.6 0.00016350000000000002 1.58 AML other m 2021-12-04T08:05:54.16
ST.VARA.HNN. ML:2.7 0.00026435385 1.6608 AML other m 2021-12-04T08:05:54.12
ST.VARA.EHE. ML:2.7 0.00025077549999999996 1.6608 AML other m 2021-12-04T08:05:55.12
SI.LUSI.HHN. ML:3.0 0.00041000000000000005 0.26 AML other m 2021-12-04T08:05:56.64
ST.RONC.EHN. ML:2.8 0.00032250000000000003 0.36 AML other m 2021-12-04T08:05:56.87
ST.RONC.EHE. ML:2.8 0.0002545 0.26 AML other m 2021-12-04T08:05:56.79
IV.MABI.HHE. ML:2.1 0.000056349999999999994 0.66 AML other m 2021-12-04T08:05:57.33
GU.PCP.HHE. ML:1.8 0.000031099330000000004 1.5392 AML other m 2021-12-04T08:05:57.09
IV.PESA.HHE. ML:3.0 0.00024926175 0.7424 AML other m 2021-12-04T08:05:57.47
ST.RONC.HNN. ML:2.8 0.000270932 0.32 AML other m 2021-12-04T08:05:57.57
IV.MABI.HHN. ML:2.0 0.00004635 0.3 AML other m 2021-12-04T08:05:57.60
IV.ZEN8.HNE. ML:2.3 0.0001503818 1.1808 AML other m 2021-12-04T08:06:01.79
IV.ZOVE.HNE. ML:3.3 0.0013435093999999998 1.0176 AML other m 2021-12-04T08:06:02.73
IV.ZOVE.HNN. ML:3.3 0.001155 1.14 AML other m 2021-12-04T08:06:04.04
IV.SGAL.HNN. ML:3.9 0.006010097999999999 0.6208 AML other m 2021-12-04T08:06:04.52
IV.CTI.HHE. ML:2.5 0.00010492497 0.2432 AML other m 2021-12-04T08:06:05.46
IV.CTI.HHN. ML:2.7 0.00014850000000000003 0.34 AML other m 2021-12-04T08:06:06.28
IV.MDI.HNN. ML:2.7 0.00026710195000000006 0.9792 AML other m 2021-12-04T08:06:10.13
IV.ZOVE.EHE. ML:2.3 0.00013102910000000002 0.5792 AML other m 2021-12-04T08:06:11.39
SI.MOSI.HHE. ML:2.5 0.0000731 0.58 AML other m 2021-12-04T08:06:13.90
SI.MOSI.HHN. ML:2.6 0.00008075 1.6 AML other m 2021-12-04T08:06:16.10
GU.PCP.HHN. ML:1.9 0.000038388729999999996 0.1248 AML other m 2021-12-04T08:06:17.75
ST.VARA.EHN. ML:1.3 0.000011708494500000001 0.9792 AML other m 2021-12-04T08:06:21.08
ST.RONC.HNE. ML:2.9 0.00038932484999999994 1.1456 AML other m 2021-12-04T08:06:23.07
IV.PESA.HHN. ML:3.0 0.00025457375000000006 0.96 AML other m 2021-12-04T08:06:28.36
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