Earthquake with magnitude of ML 1.4 on date 07-09-2021 and time 03:15:33 (UTC) in region 4 km SW Lizzano in Belvedere (BO)

A magnitude ML 1.4 earthquake occured in region: 4 km SW Lizzano in Belvedere (BO), on

  • 07-09-2021 03:15:33 (UTC)
  • 07-09-2021 05:15:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1310, 10.8620 at 13 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
Lizzano in Belvedere BO 4 2212 2212
Cutigliano PT 9 1488 3700
Alto Reno Terme BO 10 6960 10660
Gaggio Montano BO 10 4878 15538
Fanano MO 10 2989 18527
San Marcello Pistoiese PT 10 6416 24943
Sambuca Pistoiese PT 11 1626 26569
Sestola MO 13 2508 29077
Piteglio PT 14 1683 30760
Castel di Casio BO 15 3448 34208
Abetone PT 16 621 34829
Montese MO 17 3353 38182
Montecreto MO 17 940 39122
Fiumalbo MO 18 1280 40402
Camugnano BO 19 1885 42287
Riolunato MO 20 712 42999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Pistoia (90315 inhabitants)
34 Km NW of Prato (191150 inhabitants)
43 Km NE of Lucca (89046 inhabitants)
49 Km NW of Scandicci (50609 inhabitants)
51 Km NW of Firenze (382808 inhabitants)
56 Km SW of Bologna (386663 inhabitants)
57 Km NE of Viareggio (62467 inhabitants)
58 Km S of Modena (184973 inhabitants)
58 Km E of Massa (69479 inhabitants)
59 Km NE of Pisa (89158 inhabitants)
61 Km E of Carrara (63133 inhabitants)
66 Km S of Reggio nell'Emilia (171345 inhabitants)
72 Km W of Imola (69797 inhabitants)
73 Km S of Carpi (70699 inhabitants)
78 Km NE of Livorno (159219 inhabitants)
83 Km E of La Spezia (93959 inhabitants)
83 Km W of Faenza (58541 inhabitants)
86 Km SE of Parma (192836 inhabitants)
95 Km W of Forlì (117913 inhabitants)
98 Km NW of Siena (53903 inhabitants)
99 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
Bulletin
Rev1000
ML 1.4 2021-09-07
03:15:33
44.1313 10.8617 13 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101967511
Reviewed
Rev100
ML 1.4 2021-09-07
03:15:33
44.1342 10.8675 10 2021-09-07
03:21:13
Sala Sismica INGV-Roma 95133931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 03:15:33 ± 0.08
Latitude 44.1313 ± 0.0063
Longitude 10.8617 ± 0.0063
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101967511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 393
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47574
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 95133931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 03:21:13

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 101967511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-14 11:20:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2021-09-07T03:16:44.62 3.0 undecidable manual Sg 5.47 0
IV.GAVE.EHZ. 2021-09-07T03:16:40.25 3.0 undecidable manual Sg 5.57 0
IV.ARCI.HHZ. 2021-09-07T03:16:13.51 3.0 undecidable manual S -3.98 0
GU.RNCA.HHZ. 2021-09-07T03:16:02.78 3.0 positive manual P 4.03 0
IV.CRMI.HHZ. 2021-09-07T03:15:46.60 0.6 undecidable manual S 166 38.4282 95 0.55 44
GU.MAIM.HHZ. 2021-09-07T03:15:46.06 0.6 undecidable manual S 231 38.1285 95 0.07 48
IV.SEI.HHZ. 2021-09-07T03:15:46.52 0.6 undecidable manual S 102 40.5261 94 -0.09 46
GU.GSCL.HHZ. 2021-09-07T03:15:44.57 0.6 undecidable manual S 318 32.6451 96 0.05 48
GU.SARM.EHN. 2021-09-07T03:15:44.85 0.6 undecidable manual S 279 37.1295 95 -0.87 39
GU.CARD.HHZ. 2021-09-07T03:15:44.18 0.6 undecidable manual S 249 32.4453 96 -0.28 47
IV.MOCL.EHZ. 2021-09-07T03:15:43.42 0.6 undecidable manual S 119 29.0487 97 -0.15 46
IV.PII.HHZ. 2021-09-07T03:15:42.64 0.3 undecidable manual P 211 52.8027 93 -0.24 67
IV.BDI.HHZ. 2021-09-07T03:15:41.66 0.6 undecidable manual S 250 22.4553 102 -0.19 48
IV.CRMI.HHZ. 2021-09-07T03:15:41.10 0.1 undecidable manual P 166 38.4282 95 0.43 90
IV.SEI.HHZ. 2021-09-07T03:15:40.86 0.1 positive manual P 102 40.5261 94 -0.14 92
GU.SARM.EHN. 2021-09-07T03:15:40.41 0.1 undecidable manual P 279 37.1295 95 -0.07 97
IV.FNVD.HHZ. 2021-09-07T03:15:40.98 0.6 undecidable manual S 79 21.1677 103 -0.52 43
GU.MAIM.HHZ. 2021-09-07T03:15:40.69 0.1 undecidable manual P 231 38.1285 95 0.05 96
IV.ZCCA.HHZ. 2021-09-07T03:15:39.41 0.1 undecidable manual P 21 26.0517 99 0.63 85
GU.CARD.HHZ. 2021-09-07T03:15:39.78 0.3 undecidable manual P 249 32.4453 96 0.03 73
GU.POPM.HHZ. 2021-09-07T03:15:39.52 0.6 undecidable manual S 221 12.6762 123 0.11 50
GU.GSCL.HHZ. 2021-09-07T03:15:39.80 0.1 undecidable manual P 318 32.6451 96 0.01 97
IV.MOCL.EHZ. 2021-09-07T03:15:39.23 0.1 positive manual P 119 29.0487 97 -0.01 97
IV.BDI.HHZ. 2021-09-07T03:15:38.14 0.1 positive manual P 250 22.4553 102 -0.1 98
IV.FNVD.HHZ. 2021-09-07T03:15:37.85 0.1 positive manual P 79 21.1677 103 -0.2 95
GU.POPM.HHZ. 2021-09-07T03:15:36.92 0.1 undecidable manual P 221 12.6762 123 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:2.3 0.001795 0.18 AML other m 2021-09-07T03:15:39.59
IV.ZCCA.HHN. ML:1.1 0.00006884999999999999 0.14 AML other m 2021-09-07T03:15:39.78
GU.POPM.HHE. ML:2.1 0.001155 1.88 AML other m 2021-09-07T03:15:39.95
IV.FNVD.HHN. ML:1.5 0.0002185 0.48 AML other m 2021-09-07T03:15:41.65
IV.BDI.HHN. ML:1.8 0.0003435 0.14 AML other m 2021-09-07T03:15:41.84
IV.BDI.HNE. ML:1.6 0.000251 1.58 AML other m 2021-09-07T03:15:41.86
IV.BDI.HNN. ML:1.7 0.0003035 0.68 AML other m 2021-09-07T03:15:42.78
IV.BDI.HHE. ML:1.6 0.0002175 0.92 AML other m 2021-09-07T03:15:42.07
IV.FNVD.HHE. ML:1.4 0.0001435 0.34 AML other m 2021-09-07T03:15:43.16
GU.GSCL.HHE. ML:1.0 0.0000473 0.96 AML other m 2021-09-07T03:15:45.51
GU.GSCL.HHN. ML:1.4 0.00010415 0.16 AML other m 2021-09-07T03:15:45.14
IV.ZCCA.HHE. ML:1.5 0.0001525 0.28 AML other m 2021-09-07T03:15:46.16
GU.MAIM.HHE. ML:1.1 0.000046399999999999996 0.24 AML other m 2021-09-07T03:15:46.52
IV.CRMI.HHE. ML:0.8 0.00002305 0.18 AML other m 2021-09-07T03:15:46.75
IV.CRMI.HHN. ML:0.9 0.0000313 1.44 AML other m 2021-09-07T03:15:47.01
GU.MAIM.HHN. ML:1.2 0.000053500000000000006 0.44 AML other m 2021-09-07T03:15:47.74
IV.SEI.HHN. ML:1.4 0.00007405000000000001 0.26 AML other m 2021-09-07T03:15:49.20
IV.PII.HHE. ML:1.5 0.0000767 0.54 AML other m 2021-09-07T03:15:50.63
IV.PII.HHN. ML:1.4 0.000060049999999999996 1.08 AML other m 2021-09-07T03:15:50.14
IV.SEI.HHE. ML:1.4 0.00008025 0.4 AML other m 2021-09-07T03:15:52.31
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