Earthquake with magnitude of ML 1.5 on date 30-11-2021 and time 01:17:10 (Italy) in region 2 km SW Polinago (MO)

A magnitude ML 1.5 earthquake occured in region: 2 km SW Polinago (MO), on

  • 30-11-2021 00:17:10 (UTC)
  • 30-11-2021 01:17:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3310, 10.7180 at 9 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
Polinago MO 2 1672 1672
Lama Mocogno MO 3 2734 4406
Palagano MO 6 2194 6600
Montefiorino MO 8 2203 8803
Montecreto MO 9 940 9743
Pavullo nel Frignano MO 9 17383 27126
Serramazzoni MO 12 8282 35408
Sestola MO 12 2508 37916
Prignano sulla Secchia MO 12 3747 41663
Frassinoro MO 12 1926 43589
Riolunato MO 12 712 44301
Toano RE 14 4463 48764
Fanano MO 15 2989 51753
Pievepelago MO 16 2222 53975
Fiumalbo MO 18 1280 55255
Montese MO 19 3353 58608
Castellarano RE 20 15232 73840

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Modena (184973 inhabitants)
41 Km S of Reggio nell'Emilia (171345 inhabitants)
47 Km NW of Pistoia (90315 inhabitants)
52 Km S of Carpi (70699 inhabitants)
53 Km W of Bologna (386663 inhabitants)
56 Km NE of Massa (69479 inhabitants)
57 Km NE of Lucca (89046 inhabitants)
57 Km E of Carrara (63133 inhabitants)
59 Km NW of Prato (191150 inhabitants)
61 Km SE of Parma (192836 inhabitants)
64 Km NE of Viareggio (62467 inhabitants)
73 Km NE of Pisa (89158 inhabitants)
74 Km NW of Scandicci (50609 inhabitants)
75 Km E of La Spezia (93959 inhabitants)
76 Km NW of Firenze (382808 inhabitants)
79 Km W of Imola (69797 inhabitants)
91 Km SW of Ferrara (133155 inhabitants)
93 Km NE of Livorno (159219 inhabitants)
93 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 1.5 2021-11-30
00:17:10
44.3312 10.7182 9 2022-03-30
13:04:21
Bollettino Sismico Italiano INGV 98461011
Reviewed
Rev100
ML 1.5 2021-11-30
00:17:10
44.3288 10.7135 9 2021-11-30
00:21:43
Sala Sismica INGV-Roma 97954811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-30 00:17:10 ± 0.17
Latitude 44.3312 ± 0.0081
Longitude 10.7182 ± 0.0113
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98461011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 943
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.49283
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 98461011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-13 11:24:41

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 97954811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-30 00:21:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2021-11-30T00:17:29.37 0.6 undecidable manual S 289 54.7008 50 0.9 36
GU.MAIM.HHZ. 2021-11-30T00:17:28.04 0.6 undecidable manual S 201 49.8168 50 0.88 36
GU.EQUI.HHE. 2021-11-30T00:17:25.97 0.6 undecidable manual S 248 48.5181 50 -0.85 37
GU.CARD.HHZ. 2021-11-30T00:17:24.52 0.3 undecidable manual S 209 38.7279 50 0.31 68
GU.POPM.HHZ. 2021-11-30T00:17:22.15 0.3 undecidable manual S 174 31.9458 50 -0.24 70
IV.BDI.HHZ. 2021-11-30T00:17:22.93 0.3 undecidable manual S 198 31.3464 106 0.72 59
GU.MAIM.HHZ. 2021-11-30T00:17:20.10 0.3 undecidable manual P 201 49.8168 50 -0.19 68
GU.GRAM.HHZ. 2021-11-30T00:17:20.96 0.3 undecidable manual P 289 54.7008 50 -0.09 69
IV.ERBM.EHE. 2021-11-30T00:17:20.81 0.3 undecidable manual S 292 26.1516 109 0.32 69
GU.EQUI.HHE. 2021-11-30T00:17:19.53 0.3 undecidable manual P 248 48.5181 50 -0.57 62
IV.ZCCA.HNE. 2021-11-30T00:17:18.40 0.6 undecidable manual S 84 20.5683 113 -0.3 47
GU.CARD.HHZ. 2021-11-30T00:17:18.35 0.1 positive manual P 209 38.7279 50 -0.24 92
IV.BDI.HHZ. 2021-11-30T00:17:17.24 0.1 positive manual P 198 31.3464 106 -0.2 94
GU.POPM.HHZ. 2021-11-30T00:17:17.40 0.1 positive manual P 174 31.9458 50 -0.14 95
IV.ERBM.EHE. 2021-11-30T00:17:16.25 0.3 undecidable manual P 292 26.1516 109 -0.19 71
IV.ZCCA.HNE. 2021-11-30T00:17:16.19 0.3 undecidable manual P 84 20.5683 113 0.78 60
GU.GSCL.HHZ. 2021-11-30T00:17:15.64 0.3 undecidable manual S 282 10.5783 130 -0.05 76
GU.GSCL.HHZ. 2021-11-30T00:17:13.60 0.1 positive manual P 282 10.5783 130 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:1.4 0.0003172449 0.18 AML other m 2021-11-30T00:17:15.77
GU.GSCL.HHE. ML:1.2 0.0002285 0.3 AML other m 2021-11-30T00:17:17.70
IV.BDI.HHN. ML:1.6 0.0001995 1.7 AML other m 2021-11-30T00:17:23.11
GU.POPM.HHE. ML:1.4 0.000105404265 0.18 AML other m 2021-11-30T00:17:23.85
GU.POPM.HHN. ML:1.6 0.00017099999999999998 0.56 AML other m 2021-11-30T00:17:24.18
IV.BDI.HHE. ML:1.5 0.00015880575 0.14 AML other m 2021-11-30T00:17:24.54
GU.CARD.HHN. ML:1.6 0.000128 0.22 AML other m 2021-11-30T00:17:25.82
GU.CARD.HHE. ML:1.6 0.00015042175 0.12 AML other m 2021-11-30T00:17:25.88
IV.BDI.HNE. ML:1.6 0.00017645695 0.31 AML other m 2021-11-30T00:17:25.52
IV.BDI.HNN. ML:1.6 0.00018604769999999997 0.2 AML other m 2021-11-30T00:17:24.11
GU.MAIM.HHE. ML:1.2 0.00003839661 1.44 AML other m 2021-11-30T00:17:19.29
GU.MAIM.HHN. ML:1.2 0.00004285293 0.36 AML other m 2021-11-30T00:17:29.79
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