Earthquake with magnitude of ML 0.6 on date 30-11-2020 and time 21:38:36 (Italy) in region 6 km SE Firenzuola (FI)

A magnitude ML 0.6 earthquake occured in region: 6 km SE Firenzuola (FI), on

  • 30-11-2020 20:38:36 (UTC)
  • 30-11-2020 21:38:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.08, 11.43 at 11 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
Firenzuola FI 6 4726 4726
Palazzuolo sul Senio FI 11 1154 5880
Borgo San Lorenzo FI 14 18211 24091
Marradi FI 15 3139 27230
Scarperia e San Piero FI 15 12217 39447
Vicchio FI 16 8044 47491
Castel del Rio BO 16 1246 48737
Barberino di Mugello FI 17 10836 59573
Monghidoro BO 18 3749 63322

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Prato (191150 inhabitants)
37 Km NE of Firenze (382808 inhabitants)
38 Km SW of Imola (69797 inhabitants)
41 Km NE of Scandicci (50609 inhabitants)
43 Km SW of Faenza (58541 inhabitants)
44 Km E of Pistoia (90315 inhabitants)
47 Km S of Bologna (386663 inhabitants)
52 Km W of Forlì (117913 inhabitants)
66 Km W of Cesena (96758 inhabitants)
72 Km SW of Ravenna (159116 inhabitants)
75 Km SE of Modena (184973 inhabitants)
77 Km NW of Arezzo (99543 inhabitants)
78 Km E of Lucca (89046 inhabitants)
85 Km N of Siena (53903 inhabitants)
86 Km S of Ferrara (133155 inhabitants)
89 Km SE of Carpi (70699 inhabitants)
91 Km W of Rimini (147750 inhabitants)
91 Km E of Pisa (89158 inhabitants)
94 Km SE of Reggio nell'Emilia (171345 inhabitants)
97 Km E of Viareggio (62467 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 0.6 2020-11-30
20:38:36
44.08 11.43 11 2021-02-26
14:56:10
Bollettino Sismico Italiano INGV 85425721
Reviewed
Rev100
ML 1.2 2020-11-30
20:38:36
44.08 11.4 11 2020-11-30
20:43:09
Sala Sismica INGV-Roma 85113281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-30 20:38:36 ± 0.05
Latitude 44.08 ± 0.00
Longitude 11.43 ± 0.01
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85425721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.48204
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 85425721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-14 16:18:56

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 85113281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-30 20:43:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.POPM.HHZ. 2020-11-30T20:38:46.31 0.3 undecidable manual P 266 0.482 50 0.37 66
IV.RUFI.EHZ. 2020-11-30T20:38:46.12 0.3 undecidable manual S 166 0.2464 50 0.06 74
IV.FNVD.HHZ. 2020-11-30T20:38:45.74 0.6 undecidable manual S 293 0.2356 50 0.01 50
IV.RINC.HHZ. 2020-11-30T20:38:45.39 0.3 undecidable manual S 146 0.2311 50 -0.19 72
IV.MOCL.EHZ. 2020-11-30T20:38:44.16 0.6 undecidable manual S 248 0.1907 50 -0.25 48
IV.MPPT.EHZ. 2020-11-30T20:38:42.31 0.1 undecidable manual P 244 0.2698 50 0 99
IV.BRIS.HNZ. 2020-11-30T20:38:42.52 0.1 undecidable manual P 59 0.2842 50 -0.04 98
IV.RUFI.EHZ. 2020-11-30T20:38:41.95 0.3 undecidable manual P 166 0.2464 50 0.04 74
IV.VISG.HHZ. 2020-11-30T20:38:41.84 0.6 undecidable manual S 3 0.1115 132 -0.16 49
IV.FNVD.HHZ. 2020-11-30T20:38:41.72 0.1 undecidable manual P 293 0.2356 50 -0.01 99
IV.RINC.HHZ. 2020-11-30T20:38:41.63 0.3 undecidable manual P 146 0.2311 50 -0.01 75
IV.RONT.HHZ. 2020-11-30T20:38:41.33 0.3 undecidable manual S 177 0.0845 140 0.06 76
IV.SEI.HHZ. 2020-11-30T20:38:40.29 0.6 undecidable manual S 245 0.054 151 -0.32 48
IV.MOCL.EHZ. 2020-11-30T20:38:40.94 0.3 undecidable manual P 248 0.1907 50 -0.03 75
IV.RONT.HHZ. 2020-11-30T20:38:39.37 0.3 positive manual P 177 0.0845 140 0.21 74
IV.VISG.HHZ. 2020-11-30T20:38:39.68 0.1 undecidable manual P 3 0.1115 132 0.1 100
IV.SEI.HHZ. 2020-11-30T20:38:38.75 0.3 undecidable manual P 245 0.054 151 -0.03 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:0.8 6.875E-5 0.44 AML other m 2020-11-30T20:38:42.93
IV.SEI.HHE. ML:1.4 0.0003505 0.8 AML other m 2020-11-30T20:38:40.81
IV.RONT.HHN. ML:0.8 0.0002865 0.4 AML other m 2020-11-30T20:38:41.94
IV.MOCL.EHN. ML:0.5 1.9677955E-5 1.5872 AML other m 2020-11-30T20:38:44.28
IV.MOCL.EHE. ML:0.3 1.413001E-5 0.4352 AML other m 2020-11-30T20:38:44.48
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download