Earthquake with magnitude of ML 1.4 on date 11-09-2020 and time 04:46:26 (UTC) in region 4 km NW Pievepelago (MO)

A magnitude ML 1.4 earthquake occured in region: 4 km NW Pievepelago (MO), on

  • 11-09-2020 04:46:26 (UTC)
  • 11-09-2020 06:46:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2280, 10.5800 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Pievepelago MO 4 2222 2222
Riolunato MO 6 712 2934
Frassinoro MO 8 1926 4860
Fiumalbo MO 8 1280 6140
Abetone PT 12 621 6761
Montecreto MO 12 940 7701
Palagano MO 12 2194 9895
Lama Mocogno MO 15 2734 12629
Montefiorino MO 15 2203 14832
Sestola MO 15 2508 17340
Fosciandora LU 16 602 17942
Castiglione di Garfagnana LU 16 1818 19760
Villa Collemandina LU 16 1334 21094
Toano RE 17 4463 25557
Pieve Fosciana LU 17 2414 27971
Polinago MO 17 1672 29643
Fanano MO 17 2989 32632
Villa Minozzo RE 18 3750 36382
Coreglia Antelminelli LU 19 5215 41597
Castelnuovo di Garfagnana LU 19 5950 47547
Barga LU 19 10034 57581
San Romano in Garfagnana LU 20 1410 58991
Cutigliano PT 20 1488 60479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Massa (69479 inhabitants)
42 Km E of Carrara (63133 inhabitants)
42 Km NW of Pistoia (90315 inhabitants)
43 Km N of Lucca (89046 inhabitants)
48 Km NE of Viareggio (62467 inhabitants)
53 Km S of Reggio nell'Emilia (171345 inhabitants)
54 Km SW of Modena (184973 inhabitants)
57 Km NW of Prato (191150 inhabitants)
59 Km N of Pisa (89158 inhabitants)
61 Km E of La Spezia (93959 inhabitants)
66 Km SW of Carpi (70699 inhabitants)
67 Km SE of Parma (192836 inhabitants)
68 Km W of Bologna (386663 inhabitants)
71 Km NW of Scandicci (50609 inhabitants)
74 Km NW of Firenze (382808 inhabitants)
78 Km N of Livorno (159219 inhabitants)
91 Km W of Imola (69797 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
Reviewed
Rev100
ML 1.4 2020-09-11
04:46:26
44.2277 10.58 10 2020-09-11
04:55:24
Sala Sismica INGV-Roma 82803231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-11 04:46:26 ± 0.1
Latitude 44.2277 ± 0.0045
Longitude 10.5800 ± 0.0088
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82803231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 689
Semi-minor axis of confidence ellipse (meter) 416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 0.50722
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 82803231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-11 04:55:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2020-09-11T04:46:43.88 0.6 undecidable manual S 184 56.2992 50 -0.22 45
GU.MAIM.HHE. 2020-09-11T04:46:38.21 0.3 undecidable manual S 191 35.4423 50 -0.34 69
IV.PII.HHZ. 2020-09-11T04:46:36.78 0.1 undecidable manual P 184 56.2992 50 0.21 91
GU.GRAM.HHZ. 2020-09-11T04:46:36.00 0.1 undecidable manual P 306 50.2164 50 0.37 89
GU.POPM.HHZ. 2020-09-11T04:46:35.69 0.6 undecidable manual S 145 24.6531 111 0.22 48
GU.CARD.HHZ. 2020-09-11T04:46:34.87 0.3 undecidable manual S 199 23.6541 112 -0.27 71
GU.MAIM.HHE. 2020-09-11T04:46:33.45 0.1 undecidable manual P 191 35.4423 50 0.08 97
IV.ZCCA.HNE. 2020-09-11T04:46:32.64 0.3 undecidable manual P 66 34.3434 50 -0.55 65
GU.SARM.EHE. 2020-09-11T04:46:32.10 0.3 undecidable manual S 251 15.0738 122 -0.37 71
GU.GSCL.HHZ. 2020-09-11T04:46:31.73 0.3 undecidable manual S 3 13.6752 125 -0.33 71
GU.CARD.HHZ. 2020-09-11T04:46:31.38 0.1 undecidable manual P 199 23.6541 112 -0.02 100
GU.POPM.HHZ. 2020-09-11T04:46:31.84 0.1 undecidable manual P 145 24.6531 111 0.26 95
MN.VLC.HHZ. 2020-09-11T04:46:30.44 0.1 positive manual P 244 17.1717 119 0.22 97
GU.SARM.EHE. 2020-09-11T04:46:29.99 0.1 undecidable manual P 251 15.0738 122 0.14 99
GU.GSCL.HHZ. 2020-09-11T04:46:29.71 0.1 positive manual P 3 13.6752 125 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.4 0.00027800000000000004 1.44 AML other m 2020-09-11T04:46:32.06
GU.GSCL.HHN. ML:1.8 0.0006405 0.2 AML other m 2020-09-11T04:46:32.05
MN.VLC.HHN. ML:0.8 0.000053 0.84 AML other m 2020-09-11T04:46:33.57
MN.VLC.HHE. ML:0.7 0.00003800000000000001 0.26 AML other m 2020-09-11T04:46:33.70
GU.CARD.HHE. ML:1.4 0.00016599999999999997 0.36 AML other m 2020-09-11T04:46:35.37
GU.CARD.HHN. ML:1.4 0.0001395 0.76 AML other m 2020-09-11T04:46:35.63
GU.POPM.HHN. ML:1.6 0.00021300000000000003 0.14 AML other m 2020-09-11T04:46:36.09
GU.POPM.HHE. ML:1.6 0.000258 0.18 AML other m 2020-09-11T04:46:36.21
IV.PII.HHE. ML:1.4 0.00005005 0.34 AML other m 2020-09-11T04:46:48.39
IV.PII.HHN. ML:1.3 0.00004295 0.2 AML other m 2020-09-11T04:46:48.65
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