Earthquake with magnitude of ML 1.1 on date 07-09-2021 and time 02:00:22 (UTC) in region 4 km SW Lizzano in Belvedere (BO)

A magnitude ML 1.1 earthquake occured in region: 4 km SW Lizzano in Belvedere (BO), on

  • 07-09-2021 02:00:22 (UTC)
  • 07-09-2021 04:00:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1300, 10.8620 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
Lizzano in Belvedere BO 5 2212 2212
Cutigliano PT 9 1488 3700
Alto Reno Terme BO 10 6960 10660
Gaggio Montano BO 10 4878 15538
San Marcello Pistoiese PT 10 6416 21954
Fanano MO 10 2989 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

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 1.1 2021-09-07
02:00:22
44.1302 10.8618 11 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101966951
Reviewed
Rev100
ML 1.1 2021-09-07
02:00:22
44.1292 10.8612 13 2021-09-07
02:06:21
Sala Sismica INGV-Roma 95128931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 02:00:22 ± 0.08
Latitude 44.1302 ± 0.0054
Longitude 10.8618 ± 0.0050
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101966951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.67449
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 101966951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-14 10:49:15

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 95128931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 02:06:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2021-09-07T02:00:38.52 0.6 undecidable manual S 211 52.7028 50 -0.65 39
GU.GRAM.HHZ. 2021-09-07T02:00:36.10 0.3 undecidable manual P 303 74.8695 50 0.55 64
GU.MAIM.HHZ. 2021-09-07T02:00:35.13 0.6 undecidable manual S 231 38.1285 50 -0.15 47
IV.CRMI.HHN. 2021-09-07T02:00:35.69 0.6 undecidable manual S 166 38.2284 50 0.37 49
GU.SARM.EHN. 2021-09-07T02:00:34.80 0.6 undecidable manual S 279 37.1295 50 -0.23 47
GU.CARD.HHZ. 2021-09-07T02:00:33.43 0.6 undecidable manual S 249 32.4453 50 -0.32 46
GU.GSCL.HHZ. 2021-09-07T02:00:33.80 0.3 undecidable manual S 318 32.745 50 -0.04 74
IV.PII.HHZ. 2021-09-07T02:00:32.25 0.3 undecidable manual P 211 52.7028 50 0.11 73
IV.MPPT.EHZ. 2021-09-07T02:00:32.38 0.6 undecidable manual S 136 26.4513 50 0.22 51
IV.MOCL.EHZ. 2021-09-07T02:00:32.68 0.6 undecidable manual S 119 28.9488 50 -0.16 47
IV.FNVD.HHE. 2021-09-07T02:00:30.27 0.3 undecidable manual S 79 21.1677 116 -0.48 68
IV.BDI.HHZ. 2021-09-07T02:00:30.83 0.1 undecidable manual S 251 22.4553 50 -0.28 96
GU.SARM.EHN. 2021-09-07T02:00:29.68 0.3 undecidable manual P 279 37.1295 50 -0.07 73
GU.CARD.HHZ. 2021-09-07T02:00:29.13 0.3 undecidable manual P 249 32.4453 50 0.12 76
GU.MAIM.HHZ. 2021-09-07T02:00:29.72 0.3 undecidable manual P 231 38.1285 50 -0.17 71
IV.CRMI.HHN. 2021-09-07T02:00:29.95 0.6 undecidable manual P 166 38.2284 50 0.03 49
IV.MPPT.EHZ. 2021-09-07T02:00:28.02 0.3 undecidable manual P 136 26.4513 50 -0.07 73
GU.GSCL.HHZ. 2021-09-07T02:00:28.94 0.1 undecidable manual P 318 32.745 50 -0.12 97
IV.MOCL.EHZ. 2021-09-07T02:00:28.44 0.1 undecidable manual P 119 28.9488 50 -0.04 98
IV.ZCCA.HHZ. 2021-09-07T02:00:28.61 0.1 undecidable manual P 20 26.1516 50 0.57 94
GU.POPM.HHZ. 2021-09-07T02:00:28.67 0.1 undecidable manual S 222 12.5763 130 0.43 97
IV.FNVD.HHE. 2021-09-07T02:00:27.03 0.1 undecidable manual P 79 21.1677 116 -0.25 96
IV.BDI.HHZ. 2021-09-07T02:00:27.34 0.1 positive manual P 251 22.4553 50 -0.14 99
GU.POPM.HHZ. 2021-09-07T02:00:26.15 0.1 undecidable manual P 222 12.5763 130 0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:2.0 0.000987094 0.1808 AML other m 2021-09-07T02:00:28.80
GU.POPM.HHE. ML:1.8 0.000611 0.12 AML other m 2021-09-07T02:00:29.16
IV.BDI.HHN. ML:1.5 0.00022649999999999998 1.88 AML other m 2021-09-07T02:00:31.03
IV.BDI.HNE. ML:1.3 0.00013332887 0.1696 AML other m 2021-09-07T02:00:31.12
IV.BDI.HHE. ML:1.3 0.00013314445 0.12 AML other m 2021-09-07T02:00:31.26
IV.MPPT.EHN. ML:0.7 0.000031527544999999996 0.28 AML other m 2021-09-07T02:00:32.85
IV.MOCL.EHN. ML:0.8 0.000034250000000000006 0.16 AML other m 2021-09-07T02:00:32.82
IV.MPPT.EHE. ML:0.7 0.000031348725 0.16 AML other m 2021-09-07T02:00:33.15
IV.MOCL.EHE. ML:0.8 0.00003189288499999999 0.16 AML other m 2021-09-07T02:00:33.29
GU.CARD.HHE. ML:1.2 0.00006493448 1.8608 AML other m 2021-09-07T02:00:34.98
GU.CARD.HHN. ML:1.3 0.00009190772 0.12 AML other m 2021-09-07T02:00:34.05
GU.GSCL.HHE. ML:0.8 0.00002588049 0.3392 AML other m 2021-09-07T02:00:34.39
IV.ZCCA.HNE. ML:1.5 0.00017152109999999998 0.92 AML other m 2021-09-07T02:00:34.64
GU.GSCL.HHN. ML:0.8 0.0000269682 0.2 AML other m 2021-09-07T02:00:34.88
IV.ZCCA.HHN. ML:0.9 0.00004558881500000001 0.36 AML other m 2021-09-07T02:00:35.00
IV.ZCCA.HHE. ML:1.2 0.000089706165 0.2608 AML other m 2021-09-07T02:00:35.34
GU.MAIM.HHE. ML:0.9 0.00002975 0.24 AML other m 2021-09-07T02:00:35.84
GU.MAIM.HHN. ML:0.8 0.000026450000000000003 0.3 AML other m 2021-09-07T02:00:35.73
IV.PII.HHE. ML:1.2 0.000041099999999999996 0.24 AML other m 2021-09-07T02:00:39.59
IV.PII.HHN. ML:1.2 0.0000413 1.1 AML other m 2021-09-07T02:00:39.35
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