Earthquake with magnitude of ML 1.1 on date 22-11-2019 and time 23:46:29 (Italy) in region 2 km N Pieve a Nievole (PT)

A magnitude ML 1.1 earthquake occured in region: 2 km N Pieve a Nievole (PT), on

  • 22-11-2019 22:46:29 (UTC)
  • 22-11-2019 23:46:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8940, 10.7980 at 6 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
Pieve a Nievole PT 2 9266 9266
Montecatini-Terme PT 2 20409 29675
Monsummano Terme PT 3 21338 51013
Serravalle Pistoiese PT 3 11659 62672
Massa e Cozzile PT 5 7983 70655
Marliana PT 5 3210 73865
Buggiano PT 6 8825 82690
Ponte Buggianese PT 7 8804 91494
Uzzano PT 7 5770 97264
Chiesina Uzzanese PT 9 4552 101816
Pescia PT 9 19644 121460
Larciano PT 10 6394 127854
Pistoia PT 11 90315 218169
Montecarlo LU 11 4428 222597
Lamporecchio PT 12 7508 230105
Villa Basilica LU 13 1633 231738
Altopascio LU 13 15481 247219
Piteglio PT 15 1683 248902
Quarrata PT 15 26190 275092
Porcari LU 16 8845 283937
Vinci FI 16 14604 298541
Cerreto Guidi FI 16 10870 309411
Agliana PT 17 17525 326936
San Marcello Pistoiese PT 18 6416 333352
Fucecchio FI 18 23618 356970
Capannori LU 19 46252 403222
Montale PT 19 10737 413959
Montemurlo PO 20 18456 432415
Carmignano PO 20 14450 446865

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of Pistoia (90315 inhabitants)
24 Km W of Prato (191150 inhabitants)
24 Km E of Lucca (89046 inhabitants)
34 Km W of Scandicci (50609 inhabitants)
37 Km NE of Pisa (89158 inhabitants)
39 Km W of Firenze (382808 inhabitants)
44 Km E of Viareggio (62467 inhabitants)
55 Km NE of Livorno (159219 inhabitants)
55 Km E of Massa (69479 inhabitants)
60 Km E of Carrara (63133 inhabitants)
77 Km NW of Siena (53903 inhabitants)
80 Km SW of Bologna (386663 inhabitants)
81 Km E of La Spezia (93959 inhabitants)
84 Km S of Modena (184973 inhabitants)
89 Km SW of Imola (69797 inhabitants)
90 Km S of Reggio nell'Emilia (171345 inhabitants)
97 Km W of Faenza (58541 inhabitants)
99 Km S of Carpi (70699 inhabitants)
99 Km W of Arezzo (99543 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 1.1 2019-11-22
22:46:29
43.8943 10.7978 6 2020-02-28
16:42:17
Bollettino Sismico Italiano INGV 75226001
Reviewed
Rev100
ML 1.1 2019-11-22
22:46:28
43.8982 10.7985 11 2019-11-22
22:51:27
Sala Sismica INGV-Roma 73970201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-22 22:46:29 ± 0.29
Latitude 43.8943 ± 0.0063
Longitude 10.7978 ± 0.0062
Depth (km) 6 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75226001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.15378
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73970201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-22 22:51:27

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 75226001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-03 13:10:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCL.EHZ. 2019-11-22T22:46:40.04 0.3 undecidable manual S 68 32.9448 100 -0.62 64
GU.CARD.HHZ. 2019-11-22T22:46:38.75 0.6 undecidable manual S 300 29.1486 102 -0.61 44
IV.PII.HHZ. 2019-11-22T22:46:38.70 0.3 undecidable manual S 229 29.0487 102 -0.62 65
IV.MPPT.EHZ. 2019-11-22T22:46:37.56 0.3 undecidable manual S 73 24.3534 104 -0.19 73
GU.MAIM.HHZ. 2019-11-22T22:46:37.42 0.6 undecidable manual S 275 24.5532 104 -0.4 47
IV.BDI.HNZ. 2019-11-22T22:46:37.83 0.6 undecidable manual S 319 24.6531 104 -0.03 50
IV.CRMI.HHE. 2019-11-22T22:46:36.03 0.3 undecidable manual S 127 18.1707 108 0.35 72
IV.MOCL.EHZ. 2019-11-22T22:46:35.43 0.3 undecidable manual P 68 32.9448 100 -0.32 70
GU.CARD.HHZ. 2019-11-22T22:46:35.37 0.3 undecidable manual P 300 29.1486 102 0.37 69
GU.POPM.HHZ. 2019-11-22T22:46:35.45 0.3 undecidable manual S 349 17.0718 109 0.15 75
IV.PII.HHZ. 2019-11-22T22:46:35.08 0.1 positive manual P 229 29.0487 102 0.1 98
IV.BDI.HNZ. 2019-11-22T22:46:34.29 0.1 undecidable manual P 319 24.6531 104 0.16 98
IV.MPPT.EHZ. 2019-11-22T22:46:34.02 0.1 undecidable manual P 73 24.3534 104 -0.05 100
GU.MAIM.HHZ. 2019-11-22T22:46:34.32 0.1 undecidable manual P 275 24.5532 104 0.21 96
GU.POPM.HHZ. 2019-11-22T22:46:33.06 0.3 undecidable manual P 349 17.0718 109 0.41 71
IV.CRMI.HHE. 2019-11-22T22:46:33.28 0.3 undecidable manual P 127 18.1707 108 0.41 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1.2 0.00016173999 1.9232 AML other m 2019-11-22T22:46:35.99
GU.POPM.HHE. ML:1.2 0.00013318465 0.2688 AML other m 2019-11-22T22:46:36.06
IV.MPPT.EHE. ML:0.7 0.0000336232 0.1152 AML other m 2019-11-22T22:46:37.85
IV.MPPT.EHN. ML:1.2 0.00009249021999999999 0.1408 AML other m 2019-11-22T22:46:38.39
IV.PII.HHE. ML:1.0 0.000053863584999999996 0.2432 AML other m 2019-11-22T22:46:38.92
IV.PII.HHN. ML:1.0 0.000053238455000000006 1.7312 AML other m 2019-11-22T22:46:39.07
IV.MOCL.EHN. ML:1.0 0.000052398020000000004 0.1408 AML other m 2019-11-22T22:46:40.88
IV.MOCL.EHE. ML:1.0 0.000042983729999999995 0.1408 AML other m 2019-11-22T22:46:41.10
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