Earthquake with magnitude of ML 1.9 on date 11-12-2021 and time 22:37:56 (Italy) in region 3 km SE Prignano sulla Secchia (MO)

A magnitude ML 1.9 earthquake occured in region: 3 km SE Prignano sulla Secchia (MO), on

  • 11-12-2021 21:37:56 (UTC)
  • 11-12-2021 22:37:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4170, 10.7180 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 3 3747 3747
Serramazzoni MO 6 8282 12029
Polinago MO 8 1672 13701
Montefiorino MO 10 2203 15904
Castellarano RE 10 15232 31136
Palagano MO 12 2194 33330
Lama Mocogno MO 12 2734 36064
Pavullo nel Frignano MO 13 17383 53447
Baiso RE 13 3315 56762
Toano RE 13 4463 61225
Sassuolo MO 15 40853 102078
Fiorano Modenese MO 16 17160 119238
Carpineti RE 16 4064 123302
Viano RE 17 3374 126676
Maranello MO 17 17359 144035
Frassinoro MO 18 1926 145961
Montecreto MO 19 940 146901
Guiglia MO 19 3931 150832
Casalgrande RE 19 19310 170142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Modena (184973 inhabitants)
32 Km S of Reggio nell'Emilia (171345 inhabitants)
43 Km SW of Carpi (70699 inhabitants)
50 Km W of Bologna (386663 inhabitants)
53 Km SE of Parma (192836 inhabitants)
56 Km NW of Pistoia (90315 inhabitants)
62 Km NE of Carrara (63133 inhabitants)
62 Km NE of Massa (69479 inhabitants)
66 Km N of Lucca (89046 inhabitants)
67 Km NW of Prato (191150 inhabitants)
72 Km NE of Viareggio (62467 inhabitants)
79 Km E of La Spezia (93959 inhabitants)
80 Km W of Imola (69797 inhabitants)
82 Km NE of Pisa (89158 inhabitants)
82 Km NW of Scandicci (50609 inhabitants)
84 Km NW of Firenze (382808 inhabitants)
85 Km SW of Ferrara (133155 inhabitants)
94 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 1.9 2021-12-11
21:37:56
44.4172 10.7182 29 2022-03-30
13:04:39
Bollettino Sismico Italiano INGV 101410971
Reviewed
Rev100
ML 1.8 2021-12-11
21:37:56
44.4108 10.7285 24 2021-12-11
22:10:15
Sala Sismica INGV-Roma 98406121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-11 21:37:56 ± 0.13
Latitude 44.4172 ± 0.0108
Longitude 10.7182 ± 0.0151
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101410971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1207
Semi-minor axis of confidence ellipse (meter) 967
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.41373
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 101410971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-03 18:08:44

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 98406121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-11 22:10:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHZ. 2021-12-11T21:38:26.90 3.0 undecidable manual Pg 3.41 0
ST.VARA.EHZ. 2021-12-11T21:38:20.87 0.3 undecidable manual P 5 156.9207 54 0.14 56
IV.MAGA.HHZ. 2021-12-11T21:38:20.03 0.3 undecidable manual P 357 150.8379 54 0.06 58
IV.MBAL.EHZ. 2021-12-11T21:38:18.38 0.6 undecidable manual P 4 142.4463 54 -0.55 35
IV.ZOVE.EHZ. 2021-12-11T21:38:17.12 0.3 undecidable manual P 27 129.87 54 -0.25 58
IV.BDI.HHZ. 2021-12-11T21:38:11.12 0.6 undecidable manual S 194 40.5261 120 0.42 45
GU.POPM.HHZ. 2021-12-11T21:38:10.56 0.3 undecidable manual S 176 41.4252 119 -0.35 68
IV.FNVD.HHE. 2021-12-11T21:38:10.98 0.3 undecidable manual S 131 42.4242 118 -0.17 70
IV.PLMA.HHE. 2021-12-11T21:38:10.68 0.3 undecidable manual P 240 79.8645 104 0.45 62
IV.ZCCA.HHZ. 2021-12-11T21:38:08.28 0.6 undecidable manual S 110 21.7671 139 1.5 29
GU.MAIM.HHE. 2021-12-11T21:38:07.69 0.3 undecidable manual P 198 58.7967 110 0.57 62
IV.ERBM.EHE. 2021-12-11T21:38:07.54 0.6 undecidable manual S 271 24.1536 135 0.32 47
GU.GRAM.HHZ. 2021-12-11T21:38:06.89 0.6 undecidable manual P 279 52.3032 113 0.7 39
GU.EQUI.HHE. 2021-12-11T21:38:06.58 0.6 undecidable manual P 238 52.8027 113 0.32 45
GU.CARD.HHN. 2021-12-11T21:38:05.24 0.3 undecidable manual P 203 47.3193 115 -0.24 69
IV.FNVD.HHE. 2021-12-11T21:38:05.07 0.3 undecidable manual P 131 42.4242 118 0.26 70
IV.BDI.HHZ. 2021-12-11T21:38:04.28 0.1 undecidable manual P 194 40.5261 120 -0.27 93
GU.POPM.HHZ. 2021-12-11T21:38:04.55 0.3 undecidable manual P 176 41.4252 119 -0.13 72
GU.GSCL.HHZ. 2021-12-11T21:38:04.88 0.6 undecidable manual S 234 12.6762 153 -0.53 46
IV.MODE.HNN. 2021-12-11T21:38:03.39 1.0 undecidable manual P 38 29.8479 129 0.2 24
IV.ERBM.EHE. 2021-12-11T21:38:02.38 0.3 undecidable manual P 271 24.1536 135 -0.16 74
IV.ZCCA.HHZ. 2021-12-11T21:38:02.24 0.1 positive manual P 110 21.7671 139 -0.05 100
GU.GSCL.HHZ. 2021-12-11T21:38:00.90 0.1 undecidable manual P 234 12.6762 153 -0.6 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:2.1 0.0006014999999999999 0.18 AML other m 2021-12-11T21:38:05.21
GU.GSCL.HHN. ML:2.0 0.0005620000000000001 0.4 AML other m 2021-12-11T21:38:05.16
IV.ZCCA.HNN. ML:2.1 0.0005477676999999999 1.6672 AML other m 2021-12-11T21:38:08.87
IV.ZCCA.HHN. ML:2.1 0.0005787438999999999 1.68 AML other m 2021-12-11T21:38:08.87
IV.ZCCA.HHE. ML:1.8 0.00025007945 0.32 AML other m 2021-12-11T21:38:08.95
IV.ZCCA.HNE. ML:1.7 0.0002192973 0.3328 AML other m 2021-12-11T21:38:08.96
IV.BDI.HHN. ML:1.3 0.00005599376 0.3584 AML other m 2021-12-11T21:38:11.58
GU.POPM.HHE. ML:1.3 0.00005715 0.62 AML other m 2021-12-11T21:38:12.09
IV.BDI.HHE. ML:1.2 0.00004668175 0.1792 AML other m 2021-12-11T21:38:12.42
GU.POPM.HHN. ML:1.3 0.000053004585 0.2688 AML other m 2021-12-11T21:38:14.15
IV.BDI.HNN. ML:1.8 0.000155703725 1.6384 AML other m 2021-12-11T21:38:14.21
IV.BDI.HNE. ML:1.7 0.000127377665 0.704 AML other m 2021-12-11T21:38:15.59
IV.SGAL.HNN. ML:4.0 0.0061711915 0.5632 AML other m 2021-12-11T21:38:31.60
IV.SGAL.HNE. ML:4.0 0.0058268085 0.896 AML other m 2021-12-11T21:38:34.95
IV.SGAL.EHN. ML:1.4 0.000017043005 0.1408 AML other m 2021-12-11T21:38:36.09
IV.MAGA.HHE. ML:2.0 0.00005524074 0.7808 AML other m 2021-12-11T21:38:40.98
IV.MAGA.HHN. ML:1.8 0.0000338709755 0.3328 AML other m 2021-12-11T21:38:40.90
ST.VARA.EHE. ML:2.0 0.00004682511 0.2048 AML other m 2021-12-11T21:38:44.25
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