Earthquake with magnitude of ML 1.3 on date 09-05-2021 and time 01:19:15 (Italy) in region 5 km W Sambuca Pistoiese (PT)

A magnitude ML 1.3 earthquake occured in region: 5 km W Sambuca Pistoiese (PT), on

  • 08-05-2021 23:19:15 (UTC)
  • 09-05-2021 01:19:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1050, 10.9330 at 9 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
Sambuca Pistoiese PT 5 1626 1626
Alto Reno Terme BO 7 6960 8586
Lizzano in Belvedere BO 7 2212 10798
Gaggio Montano BO 11 4878 15676
Castel di Casio BO 11 3448 19124
San Marcello Pistoiese PT 12 6416 25540
Cutigliano PT 14 1488 27028
Camugnano BO 14 1885 28913
Piteglio PT 16 1683 30596
Fanano MO 16 2989 33585
Cantagallo PO 16 3105 36690
Castiglione dei Pepoli BO 18 5648 42338
Montese MO 18 3353 45691
Vernio PO 19 6060 51751
Pistoia PT 19 90315 142066
Sestola MO 19 2508 144574

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Pistoia (90315 inhabitants)
28 Km NW of Prato (191150 inhabitants)
43 Km NW of Scandicci (50609 inhabitants)
45 Km NE of Lucca (89046 inhabitants)
45 Km NW of Firenze (382808 inhabitants)
54 Km SW of Bologna (386663 inhabitants)
60 Km S of Modena (184973 inhabitants)
61 Km NE of Pisa (89158 inhabitants)
61 Km E of Viareggio (62467 inhabitants)
64 Km E of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
68 Km W of Imola (69797 inhabitants)
70 Km SE of Reggio nell'Emilia (171345 inhabitants)
76 Km S of Carpi (70699 inhabitants)
78 Km W of Faenza (58541 inhabitants)
79 Km NE of Livorno (159219 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
89 Km W of Forlì (117913 inhabitants)
91 Km SE of Parma (192836 inhabitants)
93 Km NW of Siena (53903 inhabitants)
98 Km SW of Ferrara (133155 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 1.3 2021-05-08
23:19:15
44.1052 10.9328 9 2021-05-08
23:31:35
Sala Sismica INGV-Roma 89928441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-08 23:19:15 ± 0.11
Latitude 44.1052 ± 0.0090
Longitude 10.9328 ± 0.0088
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 89928441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 901
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68259
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 89928441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-08 23:31:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2021-05-08T23:19:38.39 0.6 undecidable manual S 158 75.7686 50 -0.22 44
IV.CSNT.HHZ. 2021-05-08T23:19:29.65 0.1 undecidable manual P 158 75.7686 50 0.79 74
IV.VISG.HHZ. 2021-05-08T23:19:28.92 0.6 undecidable manual S 77 40.9257 50 -0.42 45
GU.GRAM.HHZ. 2021-05-08T23:19:28.47 3.0 undecidable manual P 0.09 0
GU.GSCL.HHZ. 2021-05-08T23:19:28.85 0.6 undecidable manual S 315 38.628 50 0.13 48
IV.BDI.HHN. 2021-05-08T23:19:25.10 0.6 undecidable manual S 260 27.2505 109 -0.44 46
IV.PII.HHZ. 2021-05-08T23:19:25.13 0.1 positive manual P 218 53.6019 50 -0.32 90
GU.GSCL.HHZ. 2021-05-08T23:19:23.09 0.3 negative manual P 315 38.628 50 -0.05 74
IV.VISG.HHZ. 2021-05-08T23:19:23.39 0.6 undecidable manual P 77 40.9257 50 -0.12 48
IV.RONT.HHZ. 2021-05-08T23:19:23.92 0.6 negative manual P 107 41.7249 50 0.3 46
IV.FNVD.HHE. 2021-05-08T23:19:22.02 0.6 undecidable manual S 65 16.6722 119 -0.12 50
GU.POPM.HHN. 2021-05-08T23:19:22.23 0.6 undecidable manual S 245 15.5733 121 0.41 47
IV.ZCCA.HHZ. 2021-05-08T23:19:21.82 0.1 undecidable manual P 7 27.4503 109 0.47 92
IV.BDI.HHN. 2021-05-08T23:19:20.95 0.1 undecidable manual P 260 27.2505 109 -0.36 94
GU.POPM.HHN. 2021-05-08T23:19:19.32 0.1 undecidable manual P 245 15.5733 121 0.16 100
IV.FNVD.HHE. 2021-05-08T23:19:19.03 0.1 undecidable manual P 65 16.6722 119 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHE. ML:1.2 0.0000838 1.34 AML other m 2021-05-08T23:19:28.17
IV.ZCCA.HHN. ML:1.1 0.00007235 0.42 AML other m 2021-05-08T23:19:28.28
GU.GSCL.HHE. ML:1.1 0.00005209999999999999 1.6 AML other m 2021-05-08T23:19:28.07
GU.GSCL.HHN. ML:1.3 0.00006994999999999999 1.82 AML other m 2021-05-08T23:19:29.98
IV.RONT.HHN. ML:1.5 0.00011665 1.62 AML other m 2021-05-08T23:19:30.05
IV.RONT.HHE. ML:1.5 0.0000955 0.54 AML other m 2021-05-08T23:19:32.48
IV.PII.HHN. ML:1.3 0.00005075 0.28 AML other m 2021-05-08T23:19:34.47
IV.PII.HHE. ML:1.3 0.0000458 0.5 AML other m 2021-05-08T23:19:34.39
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download