Earthquake with magnitude of ML 0.9 on date 23-09-2022 and time 09:01:09 (UTC) in region 8 km W Pievepelago (MO)

A magnitude ML 0.9 earthquake occured in region: 8 km W Pievepelago (MO), on

  • 23-09-2022 09:01:09 (UTC)
  • 23-09-2022 11:01:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2010, 10.5230 at 15 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
Pievepelago MO 8 2222 2222
Fiumalbo MO 10 1280 3502
Castiglione di Garfagnana LU 11 1818 5320
Fosciandora LU 11 602 5922
Villa Collemandina LU 11 1334 7256
Riolunato MO 11 712 7968
Frassinoro MO 11 1926 9894
Pieve Fosciana LU 12 2414 12308
Abetone PT 13 621 12929
Castelnuovo di Garfagnana LU 13 5950 18879
San Romano in Garfagnana LU 15 1410 20289
Barga LU 15 10034 30323
Coreglia Antelminelli LU 15 5215 35538
Camporgiano LU 16 2176 37714
Molazzana LU 16 1043 38757
Montecreto MO 17 940 39697
Palagano MO 17 2194 41891
Gallicano LU 17 3807 45698
Piazza al Serchio LU 18 2367 48065
Sillano Giuncugnano LU 18 1085 49150
Careggine LU 18 564 49714
Villa Minozzo RE 19 3750 53464
Montefiorino MO 20 2203 55667
Toano RE 20 4463 60130
Fabbriche di Vergemoli LU 20 768 60898

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Massa (69479 inhabitants)
37 Km E of Carrara (63133 inhabitants)
40 Km N of Lucca (89046 inhabitants)
43 Km NE of Viareggio (62467 inhabitants)
43 Km NW of Pistoia (90315 inhabitants)
55 Km N of Pisa (89158 inhabitants)
56 Km S of Reggio nell'Emilia (171345 inhabitants)
56 Km E of La Spezia (93959 inhabitants)
58 Km NW of Prato (191150 inhabitants)
59 Km SW of Modena (184973 inhabitants)
69 Km S of Parma (192836 inhabitants)
71 Km SW of Carpi (70699 inhabitants)
72 Km NW of Scandicci (50609 inhabitants)
73 Km W of Bologna (386663 inhabitants)
74 Km N of Livorno (159219 inhabitants)
76 Km NW of Firenze (382808 inhabitants)
96 Km W of Imola (69797 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 0.9 2022-09-23
09:01:09
44.2012 10.5232 15 2024-03-01
15:28:21
Bollettino Sismico Italiano INGV 116346171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 09:01:09 ± 0.17
Latitude 44.2012 ± 0.0081
Longitude 10.5232 ± 0.0075
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116346171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 938
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 116346171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-13 15:59:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-09-23T09:01:19.13 0.6 undecidable manual S 133 25.4523 105 -0.18 48
GU.EQUI.HHZ. 2022-09-23T09:01:19.88 0.6 undecidable manual S 263 29.748 102 -0.54 43
GU.GSCL.HHZ. 2022-09-23T09:01:17.14 0.6 undecidable manual S 17 17.3715 117 -0.15 50
MN.VLC.HHZ. 2022-09-23T09:01:16.10 0.6 undecidable manual S 247 11.7771 131 0.04 51
GU.EQUI.HHZ. 2022-09-23T09:01:16.24 0.3 undecidable manual P 263 29.748 102 0.25 71
GU.SARM.EHN. 2022-09-23T09:01:15.63 0.6 undecidable manual S 259 9.879 138 -0.07 50
GU.POPM.HHZ. 2022-09-23T09:01:15.26 0.3 undecidable manual P 133 25.4523 105 -0.09 74
GU.GSCL.HHZ. 2022-09-23T09:01:14.25 0.1 undecidable manual P 17 17.3715 117 0.06 99
MN.VLC.HHZ. 2022-09-23T09:01:13.61 0.1 positive manual P 247 11.7771 131 0.13 100
GU.SARM.EHN. 2022-09-23T09:01:13.41 0.1 undecidable manual P 259 9.879 138 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:1.0 0.0000804 0.14 AML other m 2022-09-23T09:01:17.45
GU.GSCL.HHE. ML:0.8 0.000049600000000000006 0.56 AML other m 2022-09-23T09:01:17.37
GU.POPM.HHE. ML:0.9 0.00003875 0.56 AML other m 2022-09-23T09:01:19.79
GU.POPM.HHN. ML:1.0 0.00005265 0.14 AML other m 2022-09-23T09:01:19.91
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