Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 02-12-2021 and time 01:40:48 (UTC) in region 4 km W Serramazzoni (MO)

A magnitude ML 2.3 earthquake occured in region: 4 km W Serramazzoni (MO), on

  • 02-12-2021 01:40:48 (UTC)
  • 02-12-2021 02:40:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4280, 10.7470 at 30 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serramazzoni MO 4 8282 8282
Prignano sulla Secchia MO 5 3747 12029
Castellarano RE 9 15232 27261
Polinago MO 9 1672 28933
Pavullo nel Frignano MO 12 17383 46316
Montefiorino MO 12 2203 48519
Sassuolo MO 13 40853 89372
Lama Mocogno MO 13 2734 92106
Fiorano Modenese MO 14 17160 109266
Baiso RE 14 3315 112581
Palagano MO 14 2194 114775
Maranello MO 15 17359 132134
Toano RE 16 4463 136597
Guiglia MO 17 3931 140528
Viano RE 17 3374 143902
Castelvetro di Modena MO 18 11185 155087
Marano sul Panaro MO 18 5060 160147
Casalgrande RE 18 19310 179457
Carpineti RE 18 4064 183521
Formigine MO 18 34323 217844
Scandiano RE 20 25483 243327
Montecreto MO 20 940 244267

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Modena (184973 inhabitants)
32 Km SE of Reggio nell'Emilia (171345 inhabitants)
41 Km S of Carpi (70699 inhabitants)
48 Km W of Bologna (386663 inhabitants)
53 Km SE of Parma (192836 inhabitants)
57 Km N of Pistoia (90315 inhabitants)
65 Km NE of Carrara (63133 inhabitants)
65 Km NE of Massa (69479 inhabitants)
67 Km NW of Prato (191150 inhabitants)
68 Km NE of Lucca (89046 inhabitants)
74 Km NE of Viareggio (62467 inhabitants)
77 Km W of Imola (69797 inhabitants)
81 Km E of La Spezia (93959 inhabitants)
82 Km NW of Scandicci (50609 inhabitants)
83 Km SW of Ferrara (133155 inhabitants)
84 Km NE of Pisa (89158 inhabitants)
84 Km NW of Firenze (382808 inhabitants)
92 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 2021-12-02
01:40:48		 44.4277 10.7468 30 2022-03-30
13:04:20		 Bollettino Sismico Italiano INGV 98341131
Reviewed
Rev100 		ML 2.3 2021-12-02
01:40:48		 44.4133 10.7288 32 2021-12-02
01:54:39		 Sala Sismica INGV-Roma 98033391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-02 01:40:48 ± 0.08
Latitude 44.4277 ± 0.0063
Longitude 10.7468 ± 0.0101
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98341131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 809
Semi-minor axis of confidence ellipse (meter) 614
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.53694
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 98341131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-09 10:51:23

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 98033391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-02 01:54:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT13.EHZ. 2021-12-02T01:42:18.26 3.0 undecidable manual Pg 18.1 0
IX.CSG3.HNZ.01 2021-12-02T01:42:04.70 3.0 undecidable manual Pn 0.64 0
IV.MCRV.HHZ. 2021-12-02T01:42:01.79 3.0 undecidable manual Pn -0.58 0
IV.APRC.HHZ. 2021-12-02T01:42:01.32 3.0 undecidable manual Pn 5.43 0
IV.PIEI.HHZ. 2021-12-02T01:41:38.62 3.0 undecidable manual Sn 0.32 0
IV.GUMA.HHZ. 2021-12-02T01:41:24.42 3.0 positive manual Pn -2.73 0
SI.LUSI.HHZ. 2021-12-02T01:41:14.61 0.6 undecidable manual P 5 170.5959 54 0.1 36
ST.DOSS.HHZ. 2021-12-02T01:41:13.47 0.1 undecidable manual P 12 164.9127 54 -0.32 71
ST.VARA.EHZ. 2021-12-02T01:41:13.04 0.6 undecidable manual P 4 155.5221 54 0.4 36
IV.MAGA.HHZ. 2021-12-02T01:41:12.33 0.3 undecidable manual P 356 149.739 54 0.41 55
IV.VOBA.EHZ. 2021-12-02T01:41:10.67 1.0 undecidable manual P 352 136.1637 54 0.45 19
IV.MBAL.EHZ. 2021-12-02T01:41:10.89 0.1 undecidable manual P 4 141.1476 54 0.05 81
IV.ZOVE.EHZ. 2021-12-02T01:41:09.42 0.6 undecidable manual P 27 127.7721 54 0.24 40
IV.ROVR.HHZ. 2021-12-02T01:41:09.87 0.1 undecidable manual P 11 137.6622 54 -0.53 75
IV.SGAL.EHN. 2021-12-02T01:41:09.86 0.6 undecidable manual P 345 130.5693 54 0.33 39
IV.TREG.EHZ. 2021-12-02T01:41:08.40 0.1 undecidable manual P 15 125.7741 54 -0.53 77
GU.GRAM.HHZ. 2021-12-02T01:41:06.68 0.6 undecidable manual S 278 54.4011 113 0.3 46
IV.VMAN.HHN. 2021-12-02T01:41:05.71 1.0 undecidable manual P 356 98.5236 102 0.46 20
GU.CARD.HHN. 2021-12-02T01:41:05.27 0.6 undecidable manual S 205 49.2174 116 0.15 48
GU.POPM.HHZ. 2021-12-02T01:41:03.83 0.6 undecidable manual S 179 42.4242 120 0.32 47
GU.SBPO.HNZ. 2021-12-02T01:41:03.57 3.0 undecidable manual P 0
IV.BDI.HHZ. 2021-12-02T01:41:03.94 0.6 undecidable manual S 197 42.2244 120 0.48 46
IV.ERBM.EHZ. 2021-12-02T01:41:00.42 0.6 undecidable manual S 268 26.4513 134 0.33 48
IV.ZCCA.HHZ. 2021-12-02T01:40:59.00 0.6 undecidable manual S 115 20.0688 143 0.05 52
GU.GRAM.HHZ. 2021-12-02T01:40:59.04 1.0 undecidable manual P 278 54.4011 113 0.28 23
IV.CAVE.HHN. 2021-12-02T01:40:58.73 0.6 undecidable manual P 22 52.6029 114 0.23 47
GU.CARD.HHN. 2021-12-02T01:40:57.81 0.3 undecidable manual P 205 49.2174 116 -0.22 70
GU.GSCL.HHZ. 2021-12-02T01:40:57.81 0.3 undecidable manual S 236 15.1737 150 -0.42 71
GU.POPM.HHZ. 2021-12-02T01:40:56.88 0.3 undecidable manual P 179 42.4242 120 -0.22 71
IV.BDI.HHZ. 2021-12-02T01:40:56.96 0.1 undecidable manual P 197 42.2244 120 -0.11 97
IV.ERBM.EHZ. 2021-12-02T01:40:55.01 0.1 undecidable manual P 268 26.4513 134 -0.11 100
IV.MODE.HNE. 2021-12-02T01:40:55.25 1.0 undecidable manual P 35 27.5502 133 0.01 26
IV.ZCCA.HHZ. 2021-12-02T01:40:54.95 0.1 undecidable manual P 115 20.0688 143 0.48 94
GU.GSCL.HHZ. 2021-12-02T01:40:53.63 0.1 undecidable manual P 236 15.1737 150 -0.42 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:2.5 0.001365 0.2 AML other m 2021-12-02T01:40:57.96
GU.GSCL.HHN. ML:2.3 0.0008684999999999999 1.48 AML other m 2021-12-02T01:40:58.89
IV.ZCCA.HHN. ML:2.6 0.001625 0.36 AML other m 2021-12-02T01:41:01.50
IV.ZCCA.HNN. ML:2.6 0.0015999999999999999 0.34 AML other m 2021-12-02T01:41:01.51
IV.ZCCA.HHE. ML:2.2 0.0006360000000000001 0.28 AML other m 2021-12-02T01:41:01.56
IV.ZCCA.HNE. ML:2.1 0.0005725 0.3 AML other m 2021-12-02T01:41:01.57
IV.TREG.EHE. ML:2.3 0.0001385 0.56 AML other m 2021-12-02T01:41:27.39
IV.ZOVE.EHN. ML:2.2 0.00010819999999999999 0.58 AML other m 2021-12-02T01:41:27.59
IV.TREG.EHN. ML:2.3 0.00014399999999999998 1.62 AML other m 2021-12-02T01:41:30.03
IV.ROVR.HHE. ML:2.2 0.000079 0.2 AML other m 2021-12-02T01:41:31.69
IV.VOBA.EHN. ML:2.2 0.000096 0.2 AML other m 2021-12-02T01:41:31.99
IV.ROVR.HHN. ML:2.4 0.0001485 0.34 AML other m 2021-12-02T01:41:32.90
IV.VOBA.EHE. ML:2.3 0.00010585 1.8 AML other m 2021-12-02T01:41:33.98
IV.MAGA.HHN. ML:2.4 0.0001225 1.74 AML other m 2021-12-02T01:41:35.00
IV.MAGA.HHE. ML:2.4 0.0001265 0.36 AML other m 2021-12-02T01:41:37.76
ST.DOSS.HHN. ML:2.3 0.0000816 0.42 AML other m 2021-12-02T01:41:38.71
SI.LUSI.HHE. ML:2.3 0.00008575 0.52 AML other m 2021-12-02T01:41:39.99
ST.DOSS.HHE. ML:2.2 0.00006035 0.98 AML other m 2021-12-02T01:41:40.08
IV.ZOVE.EHE. ML:2.5 0.00019925000000000002 0.42 AML other m 2021-12-02T01:41:40.35
SI.LUSI.HHN. ML:2.6 0.0001635 0.2 AML other m 2021-12-02T01:41:40.65
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