Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 10-09-2021 and time 00:16:25 (Italy) in region 6 km E Cutigliano (PT)

A magnitude ML 1.2 earthquake occured in region: 6 km E Cutigliano (PT), on

  • 09-09-2021 22:16:25 (UTC)
  • 10-09-2021 00:16:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1110, 10.8330 at 3 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.

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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
Cutigliano PT 6 1488 1488
San Marcello Pistoiese PT 7 6416 7904
Lizzano in Belvedere BO 8 2212 10116
Piteglio PT 11 1683 11799
Fanano MO 11 2989 14788
Alto Reno Terme BO 13 6960 21748
Gaggio Montano BO 13 4878 26626
Sambuca Pistoiese PT 13 1626 28252
Abetone PT 14 621 28873
Sestola MO 14 2508 31381
Fiumalbo MO 17 1280 32661
Castel di Casio BO 17 3448 36109
Montecreto MO 18 940 37049
Montese MO 20 3353 40402
Riolunato MO 20 712 41114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Pistoia (90315 inhabitants)
33 Km NW of Prato (191150 inhabitants)
40 Km NE of Lucca (89046 inhabitants)
48 Km NW of Scandicci (50609 inhabitants)
51 Km NW of Firenze (382808 inhabitants)
54 Km NE of Viareggio (62467 inhabitants)
56 Km NE of Pisa (89158 inhabitants)
56 Km E of Massa (69479 inhabitants)
59 Km E of Carrara (63133 inhabitants)
59 Km SW of Bologna (386663 inhabitants)
60 Km S of Modena (184973 inhabitants)
67 Km S of Reggio nell'Emilia (171345 inhabitants)
75 Km NE of Livorno (159219 inhabitants)
75 Km S of Carpi (70699 inhabitants)
75 Km W of Imola (69797 inhabitants)
80 Km E of La Spezia (93959 inhabitants)
86 Km W of Faenza (58541 inhabitants)
87 Km SE of Parma (192836 inhabitants)
97 Km NW of Siena (53903 inhabitants)
97 Km W of Forlì (117913 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 1.2 2021-09-09
22:16:25		 44.111 10.8333 3 2021-09-09
23:09:16		 Sala Sismica INGV-Roma 95249201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-09 22:16:25 ± 0.09
Latitude 44.1110 ± 0.0045
Longitude 10.8333 ± 0.0088
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95249201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 502
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66730
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 95249201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-09 23:09:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2021-09-09T22:17:15.30 3.0 negative manual Pg 10.22 0
IV.EUCT.HNZ. 2021-09-09T22:17:11.45 3.0 undecidable manual Sg 19.24 0
IV.TOLF.HHZ. 2021-09-09T22:17:08.63 3.0 undecidable manual Sg 3.18 0
IV.IVPL.HHZ. 2021-09-09T22:16:59.27 3.0 undecidable manual Pn -7.42 0
GU.GRAM.HHZ. 2021-09-09T22:16:49.76 0.3 undecidable manual S 305 74.0703 50 0.1 69
TV.SF04.EHZ. 2021-09-09T22:16:43.53 3.0 undecidable manual Sn -7.06 0
IV.BOSL.HHZ. 2021-09-09T22:16:41.86 0.3 undecidable manual S 115 47.5191 94 -0.41 68
GU.GRAM.HHZ. 2021-09-09T22:16:39.44 0.1 undecidable manual P 305 74.0703 50 -0.1 92
IV.CRMI.HHZ. 2021-09-09T22:16:38.80 0.3 undecidable manual S 161 36.9297 95 0.22 72
GU.GSCL.HHZ. 2021-09-09T22:16:36.96 0.3 undecidable manual S 324 32.9448 96 -0.26 72
IV.ZCCA.HHZ. 2021-09-09T22:16:36.12 0.3 undecidable manual S 23 28.9488 97 0.29 72
IV.BOSL.HHZ. 2021-09-09T22:16:35.36 0.1 undecidable manual P 115 47.5191 94 0.09 97
IV.MPPT.EHZ. 2021-09-09T22:16:35.30 0.3 undecidable manual S 130 26.6511 97 0.26 73
IV.MOCL.EHZ. 2021-09-09T22:16:35.84 0.3 undecidable manual S 113 30.1476 96 -0.39 70
IV.CRMI.HHZ. 2021-09-09T22:16:33.26 0.1 undecidable manual P 161 36.9297 95 0.12 98
GU.GSCL.HHZ. 2021-09-09T22:16:32.19 0.1 undecidable manual P 324 32.9448 96 -0.17 98
IV.MOCL.EHZ. 2021-09-09T22:16:31.59 0.1 undecidable manual P 113 30.1476 96 -0.19 98
IV.ZCCA.HHZ. 2021-09-09T22:16:31.87 0.1 undecidable manual P 23 28.9488 97 0.31 95
IV.MPPT.EHZ. 2021-09-09T22:16:31.20 0.1 undecidable manual P 130 26.6511 97 0.1 100
IV.EUCT.HNZ. 2021-09-09T22:16:17.20 3.0 positive manual Pg 5.97 0
IV.RCAV.EHZ. 2021-09-09T22:16:16.87 3.0 undecidable manual Pg -2.3 0
IV.VOBA.EHZ. 2021-09-09T22:15:59.71 3.0 negative manual Pg 2.38 0
SI.ABSI.HHZ. 2021-09-09T22:15:51.93 3.0 positive manual Pn -0.96 0
IV.FVI.HHZ. 2021-09-09T22:15:41.05 3.0 undecidable manual P 0.17 0
OX.VARN.HHZ. 2021-09-09T22:15:39.86 3.0 positive manual P -2.39 0
OX.PLRO.HHZ. 2021-09-09T22:15:37.61 3.0 positive manual P -0.19 0
OX.CAE.HHZ. 2021-09-09T22:15:37.97 3.0 positive manual P -1.03 0
OX.FUSE.HHZ. 2021-09-09T22:15:36.77 3.0 positive manual P -0.08 0
OX.MLN.HHZ. 2021-09-09T22:15:36.65 3.0 negative manual P -1.13 0
OX.ACOM.HHZ. 2021-09-09T22:15:34.02 3.0 positive manual P -1.92 0
RF.GEPF.HHZ. 2021-09-09T22:15:33.71 3.0 positive manual P -0.04 0
NI.VINO.HHZ. 2021-09-09T22:15:32.69 3.0 negative manual P 0.36 0
OX.DRE.HHZ. 2021-09-09T22:15:28.89 3.0 positive manual P 0.09 0
OX.SABO.HHZ. 2021-09-09T22:15:25.87 3.0 positive manual P 0.42 0
MN.TRI.HHZ. 2021-09-09T22:15:20.13 3.0 positive manual P -0.37 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHE. ML:1.4 0.000144125 0.2688 AML other m 2021-09-09T22:16:36.35
IV.MPPT.EHN. ML:1.3 0.00012195145 0.2304 AML other m 2021-09-09T22:16:36.22
IV.MOCL.EHE. ML:1.4 0.0001199886 0.1792 AML other m 2021-09-09T22:16:36.45
IV.MOCL.EHN. ML:1.3 0.00010879533 0.1664 AML other m 2021-09-09T22:16:36.01
GU.GSCL.HHE. ML:1.3 0.00010114999999999999 0.2 AML other m 2021-09-09T22:16:37.48
GU.GSCL.HHN. ML:1.8 0.0002627042 0.1792 AML other m 2021-09-09T22:16:37.59
IV.ZCCA.HHN. ML:0.0 0.000054733265000000004 0.256 AML other m 2021-09-09T22:16:38.40
IV.CRMI.HHN. ML:0.6 0.00001590354 0.3584 AML other m 2021-09-09T22:16:39.23
IV.ZCCA.HHE. ML:0.0 0.00008297557499999999 0.448 AML other m 2021-09-09T22:16:39.27
IV.BOSL.HHN. ML:0.9 0.000027035585 0.32 AML other m 2021-09-09T22:16:44.36
IV.BOSL.HHE. ML:0.9 0.00002595 0.24 AML other m 2021-09-09T22:16:43.87
GU.GRAM.HHE. ML:1.6 0.000057277735 0.3456 AML other m 2021-09-09T22:16:53.22
GU.GRAM.HHN. ML:1.3 0.0000293996 0.384 AML other m 2021-09-09T22:16:52.96
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