Earthquake with magnitude of ML 0.9 on date 09-08-2023 and time 01:42:29 (UTC) in region 2 km W Pievepelago (MO)

A magnitude ML 0.9 earthquake occured in region: 2 km W Pievepelago (MO), on

  • 09-08-2023 01:42:29 (UTC)
  • 09-08-2023 03:42:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2060, 10.5890 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 2 2222 2222
Fiumalbo MO 6 1280 3502
Riolunato MO 6 712 4214
Abetone PT 9 621 4835
Frassinoro MO 10 1926 6761
Montecreto MO 12 940 7701
Palagano MO 14 2194 9895
Fosciandora LU 15 602 10497
Sestola MO 15 2508 13005
Castiglione di Garfagnana LU 15 1818 14823
Villa Collemandina LU 16 1334 16157
Lama Mocogno MO 16 2734 18891
Coreglia Antelminelli LU 16 5215 24106
Pieve Fosciana LU 16 2414 26520
Fanano MO 17 2989 29509
Barga LU 17 10034 39543
Montefiorino MO 17 2203 41746
Castelnuovo di Garfagnana LU 18 5950 47696
Cutigliano PT 18 1488 49184
Polinago MO 19 1672 50856
Toano RE 19 4463 55319
San Romano in Garfagnana LU 20 1410 56729
Molazzana LU 20 1043 57772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Pistoia (90315 inhabitants)
40 Km E of Massa (69479 inhabitants)
41 Km N of Lucca (89046 inhabitants)
42 Km E of Carrara (63133 inhabitants)
46 Km NE of Viareggio (62467 inhabitants)
54 Km NW of Prato (191150 inhabitants)
55 Km S of Reggio nell'Emilia (171345 inhabitants)
56 Km SW of Modena (184973 inhabitants)
56 Km N of Pisa (89158 inhabitants)
62 Km E of La Spezia (93959 inhabitants)
68 Km W of Bologna (386663 inhabitants)
68 Km SW of Carpi (70699 inhabitants)
69 Km NW of Scandicci (50609 inhabitants)
69 Km SE of Parma (192836 inhabitants)
72 Km NW of Firenze (382808 inhabitants)
76 Km NE of Livorno (159219 inhabitants)
91 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
Reviewed
Rev100
ML 0.9 2023-08-09
01:42:29
44.2058 10.5892 10 2023-08-09
02:04:29
Sala Sismica INGV-Roma 119956681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-09 01:42:29 ± 0.12
Latitude 44.2058 ± 0.0045
Longitude 10.5892 ± 0.0075
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119956681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 645
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 0.48563
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 119956681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-09 02:04:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MAIM.HHN. 2023-08-09T01:42:40.68 0.3 undecidable manual S 194 33.3444 50 -0.12 69
IV.PII.HHZ. 2023-08-09T01:42:39.04 0.3 undecidable manual P 185 53.9016 50 0.01 69
GU.CARD.HHZ. 2023-08-09T01:42:37.12 0.6 undecidable manual S 203 21.6672 114 -0.27 47
GU.POPM.HHZ. 2023-08-09T01:42:37.65 0.3 undecidable manual S 143 22.2555 114 0.07 73
MN.VLC.HHZ. 2023-08-09T01:42:36.18 0.3 undecidable manual S 252 16.9719 120 0.26 70
GU.SARM.EHN. 2023-08-09T01:42:35.11 0.3 undecidable manual S 261 15.1737 123 -0.29 72
GU.GSCL.HHZ. 2023-08-09T01:42:35.13 0.3 undecidable manual S 360 16.0728 121 -0.53 68
GU.MAIM.HHN. 2023-08-09T01:42:35.70 0.1 undecidable manual P 194 33.3444 50 -0.17 92
IV.BDI.HHZ. 2023-08-09T01:42:35.50 0.3 undecidable manual S 178 15.873 122 -0.1 74
IV.ERBM.EHZ. 2023-08-09T01:42:35.81 0.3 undecidable manual P 329 27.5502 50 0.84 58
GU.POPM.HHZ. 2023-08-09T01:42:34.14 0.1 negative manual P 143 22.2555 114 0.13 96
IV.BDI.HHZ. 2023-08-09T01:42:33.00 0.1 positive manual P 178 15.873 122 0.13 97
MN.VLC.HHZ. 2023-08-09T01:42:33.17 0.3 positive manual P 252 16.9719 120 0.11 73
GU.CARD.HHZ. 2023-08-09T01:42:33.91 0.3 negative manual P 203 21.6672 114 0.01 74
GU.GSCL.HHZ. 2023-08-09T01:42:32.82 0.6 positive manual P 360 16.0728 121 -0.09 49
GU.SARM.EHN. 2023-08-09T01:42:32.75 0.1 undecidable manual P 261 15.1737 123 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.0 0.00009584999999999999 0.24 AML other m 2023-08-09T01:42:35.30
GU.GSCL.HHN. ML:1.1 0.00010295 0.18 AML other m 2023-08-09T01:42:35.46
IV.BDI.HHE. ML:0.8 0.00005545 1.42 AML other m 2023-08-09T01:42:36.92
IV.BDI.HHN. ML:0.8 0.000052892910000000004 0.12 AML other m 2023-08-09T01:42:36.48
GU.CARD.HHE. ML:0.9 0.00004942146999999999 0.14 AML other m 2023-08-09T01:42:37.41
GU.POPM.HHE. ML:0.9 0.000050214960000000003 0.12 AML other m 2023-08-09T01:42:37.82
GU.CARD.HHN. ML:0.9 0.0000571 1.16 AML other m 2023-08-09T01:42:37.93
GU.POPM.HHN. ML:1.0 0.0000626 0.2 AML other m 2023-08-09T01:42:38.32
IV.BDI.HNE. ML:0.9 0.00008201931499999999 1.7192 AML other m 2023-08-09T01:42:37.84
IV.BDI.HNN. ML:1.1 0.000104791865 0.5904 AML other m 2023-08-09T01:42:36.19
MN.VLC.HHE. ML:0.4 0.000017730126 0.1 AML other m 2023-08-09T01:42:36.40
MN.VLC.HHN. ML:0.4 0.000017879183499999998 0.1 AML other m 2023-08-09T01:42:36.46
MN.VLC.HNE. ML:0.8 0.00004819068 0.56 AML other m 2023-08-09T01:42:37.54
IV.PII.HHE. ML:0.9 0.00001771511 0.18 AML other m 2023-08-09T01:42:50.74
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