Earthquake with magnitude of ML 1.1 on date 19-09-2021 and time 05:56:47 (Italy) in region 3 km E San Marcello Pistoiese (PT)

A magnitude ML 1.1 earthquake occured in region: 3 km E San Marcello Pistoiese (PT), on

  • 19-09-2021 03:56:47 (UTC)
  • 19-09-2021 05:56:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0680, 10.8270 at 11 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
San Marcello Pistoiese PT 3 6416 6416
Piteglio PT 6 1683 8099
Cutigliano PT 7 1488 9587
Lizzano in Belvedere BO 12 2212 11799
Sambuca Pistoiese PT 14 1626 13425
Alto Reno Terme BO 15 6960 20385
Abetone PT 15 621 21006
Marliana PT 16 3210 24216
Fanano MO 16 2989 27205
Pistoia PT 17 90315 117520
Gaggio Montano BO 17 4878 122398
Serravalle Pistoiese PT 18 11659 134057
Sestola MO 19 2508 136565
Massa e Cozzile PT 19 7983 144548
Fiumalbo MO 19 1280 145828
Bagni di Lucca LU 20 6161 151989
Castel di Casio BO 20 3448 155437

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Pistoia (90315 inhabitants)
30 Km NW of Prato (191150 inhabitants)
36 Km NE of Lucca (89046 inhabitants)
45 Km NW of Scandicci (50609 inhabitants)
48 Km NW of Firenze (382808 inhabitants)
51 Km E of Viareggio (62467 inhabitants)
52 Km NE of Pisa (89158 inhabitants)
55 Km E of Massa (69479 inhabitants)
58 Km E of Carrara (63133 inhabitants)
63 Km SW of Bologna (386663 inhabitants)
65 Km S of Modena (184973 inhabitants)
71 Km NE of Livorno (159219 inhabitants)
72 Km S of Reggio nell'Emilia (171345 inhabitants)
78 Km W of Imola (69797 inhabitants)
80 Km S of Carpi (70699 inhabitants)
80 Km E of La Spezia (93959 inhabitants)
88 Km W of Faenza (58541 inhabitants)
91 Km SE of Parma (192836 inhabitants)
93 Km NW of Siena (53903 inhabitants)
98 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 1.1 2021-09-19
03:56:47
44.0683 10.8272 11 2021-09-19
04:17:04
Sala Sismica INGV-Roma 95612921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-19 03:56:47 ± 0.12
Latitude 44.0683 ± 0.0063
Longitude 10.8272 ± 0.0075
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95612921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 708
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 30
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.41639
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 95612921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-19 04:17:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BOSL.HHZ. 2021-09-19T03:57:02.69 0.6 undecidable manual S 109 46.2204 90 0.16 46
IV.SEI.HHZ. 2021-09-19T03:57:01.68 0.1 undecidable manual S 92 42.4242 90 0.18 92
IV.CRMI.HHZ. 2021-09-19T03:56:59.03 0.1 undecidable manual S 158 32.6451 91 0.14 94
GU.GSCL.HHZ. 2021-09-19T03:56:59.62 0.1 undecidable manual S 329 36.6411 90 -0.34 88
IV.MOCL.EHZ. 2021-09-19T03:56:57.61 0.1 undecidable manual S 104 29.0487 91 -0.33 89
IV.PII.HHZ. 2021-09-19T03:56:56.20 0.1 undecidable manual P 212 45.4212 90 0.06 93
IV.BOSL.HHZ. 2021-09-19T03:56:56.30 0.1 undecidable manual P 109 46.2204 90 0.03 93
IV.MPPT.EHZ. 2021-09-19T03:56:56.42 0.1 undecidable manual S 120 24.3534 91 -0.26 91
IV.SEI.HHZ. 2021-09-19T03:56:55.62 0.1 undecidable manual P 92 42.4242 90 -0.06 92
GU.GSCL.HHZ. 2021-09-19T03:56:54.67 0.1 undecidable manual P 329 36.6411 90 -0.12 92
IV.ZCCA.HHZ. 2021-09-19T03:56:54.93 0.1 undecidable manual P 21 33.5442 91 0.62 83
IV.CRMI.HHZ. 2021-09-19T03:56:54.48 0.1 undecidable manual P 158 32.6451 91 0.31 91
IV.MOCL.EHZ. 2021-09-19T03:56:53.42 0.1 undecidable manual P 104 29.0487 91 -0.21 91
IV.MPPT.EHZ. 2021-09-19T03:56:52.66 0.1 undecidable manual P 120 24.3534 91 -0.23 91
GU.POPM.HHZ. 2021-09-19T03:56:52.20 0.1 undecidable manual S 245 6.1938 142 0.03 99
GU.POPM.HHZ. 2021-09-19T03:56:50.37 0.1 undecidable manual P 245 6.1938 142 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1.5 0.0004641741 0.1792 AML other m 2021-09-19T03:56:52.72
GU.POPM.HHE. ML:1.4 0.00035632905 0.1408 AML other m 2021-09-19T03:56:53.45
IV.MPPT.EHN. ML:1.1 0.000077 0.28 AML other m 2021-09-19T03:56:56.79
IV.MPPT.EHE. ML:1.1 0.00007680000000000001 0.26 AML other m 2021-09-19T03:56:56.81
IV.MOCL.EHN. ML:1.0 0.00004975 0.4 AML other m 2021-09-19T03:56:58.73
IV.MOCL.EHE. ML:1.1 0.000059749999999999995 1.86 AML other m 2021-09-19T03:56:59.93
IV.CRMI.HHN. ML:1.0 0.000040300000000000004 0.38 AML other m 2021-09-19T03:56:59.55
IV.CRMI.HHE. ML:0.5 0.00001636969 0.2208 AML other m 2021-09-19T03:56:59.42
GU.GSCL.HHN. ML:1.0 0.0000325640035 0.1216 AML other m 2021-09-19T03:57:00.65
GU.GSCL.HHE. ML:1.1 0.00004320061 0.4192 AML other m 2021-09-19T03:57:00.22
IV.SEI.HHN. ML:1.2 0.000050411615 0.2976 AML other m 2021-09-19T03:57:02.61
IV.SEI.HHE. ML:1.1 0.00003925 1.36 AML other m 2021-09-19T03:57:04.73
IV.BOSL.HHN. ML:0.7 0.0000149 0.48 AML other m 2021-09-19T03:57:04.49
IV.BOSL.HHE. ML:0.5 0.000010614658 0.2016 AML other m 2021-09-19T03:57:04.99
IV.PII.HHE. ML:1.3 0.00005639431 0.2592 AML other m 2021-09-19T03:57:03.08
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