Earthquake with magnitude of ML 1.8 on date 23-09-2022 and time 04:16:03 (UTC) in region 8 km W Pievepelago (MO)

A magnitude ML 1.8 earthquake occured in region: 8 km W Pievepelago (MO), on

  • 23-09-2022 04:16:03 (UTC)
  • 23-09-2022 06:16:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1920, 10.5230 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
Pievepelago MO 8 2222 2222
Fosciandora LU 10 602 2824
Castiglione di Garfagnana LU 10 1818 4642
Fiumalbo MO 10 1280 5922
Villa Collemandina LU 11 1334 7256
Pieve Fosciana LU 11 2414 9670
Riolunato MO 11 712 10382
Frassinoro MO 12 1926 12308
Abetone PT 13 621 12929
Castelnuovo di Garfagnana LU 13 5950 18879
Barga LU 13 10034 28913
Coreglia Antelminelli LU 14 5215 34128
San Romano in Garfagnana LU 14 1410 35538
Molazzana LU 16 1043 36581
Camporgiano LU 16 2176 38757
Gallicano LU 16 3807 42564
Montecreto MO 17 940 43504
Palagano MO 18 2194 45698
Careggine LU 18 564 46262
Piazza al Serchio LU 18 2367 48629
Sillano Giuncugnano LU 18 1085 49714
Fabbriche di Vergemoli LU 19 768 50482
Villa Minozzo RE 20 3750 54232

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Massa (69479 inhabitants)
36 Km E of Carrara (63133 inhabitants)
39 Km N of Lucca (89046 inhabitants)
42 Km NE of Viareggio (62467 inhabitants)
43 Km NW of Pistoia (90315 inhabitants)
54 Km N of Pisa (89158 inhabitants)
56 Km E of La Spezia (93959 inhabitants)
57 Km S of Reggio nell'Emilia (171345 inhabitants)
57 Km NW of Prato (191150 inhabitants)
60 Km SW of Modena (184973 inhabitants)
70 Km S of Parma (192836 inhabitants)
71 Km NW of Scandicci (50609 inhabitants)
72 Km SW of Carpi (70699 inhabitants)
73 Km N of Livorno (159219 inhabitants)
73 Km W of Bologna (386663 inhabitants)
75 Km NW of Firenze (382808 inhabitants)
97 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 1.8 2022-09-23
04:16:03
44.1917 10.5233 13 2024-03-01
15:28:14
Bollettino Sismico Italiano INGV 113430991
Reviewed
Rev100
ML 1.8 2022-09-23
04:16:03
44.1923 10.5303 13 2022-09-23
04:22:55
Sala Sismica INGV-Roma 110039841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 04:16:03 ± 0.08
Latitude 44.1917 ± 0.0045
Longitude 10.5233 ± 0.0063
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113430991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 447
Semi-minor axis of confidence ellipse (meter) 358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
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 41
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61514
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 113430991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-09 14:21:23

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 110039841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 04:22:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2022-09-23T04:17:49.81 3.0 undecidable manual Pg 19.059999 0
IV.MCRV.HHZ. 2022-09-23T04:17:21.35 3.0 undecidable manual Pg 8.98 0
IV.ARRO.EHZ. 2022-09-23T04:17:17.42 3.0 undecidable manual Sg 11.71 0
IV.SGG.HHZ. 2022-09-23T04:17:11.34 3.0 undecidable manual Pg 10.64 0
OT.OT14.EHZ. 2022-09-23T04:17:10.32 3.0 positive manual Pn 1.67 0
IV.PAOL.HHZ. 2022-09-23T04:17:06.80 3.0 undecidable manual Pn 1.2 0
IV.GIUL.HHZ. 2022-09-23T04:16:58.75 3.0 positive manual Pg 7.41 0
IV.RNI2.HHZ. 2022-09-23T04:16:57.35 3.0 undecidable manual Pn 1.37 0
GU.TRAV.HHZ. 2022-09-23T04:16:56.39 3.0 undecidable manual Sn -8.54 0
IV.LRP.EHZ. 2022-09-23T04:16:55.98 3.0 undecidable manual Pg 3.45 0
IV.FDMO.HHZ. 2022-09-23T04:16:43.59 3.0 positive manual Pg 7.54 0
IV.NRCA.HHZ. 2022-09-23T04:16:43.42 3.0 negative manual Pg 5.57 0
GU.ENR.HHZ. 2022-09-23T04:16:33.94 3.0 negative manual Pg -1.18 0
IV.SRES.HHZ. 2022-09-23T04:16:32.90 3.0 undecidable manual Pn -6.41 0
IV.SEI.HHZ. 2022-09-23T04:16:24.74 0.6 undecidable manual S 103 68.2761 92 0.71 38
IV.CRMI.HHZ. 2022-09-23T04:16:21.11 0.6 undecidable manual S 140 57.0984 92 0.06 46
IV.PII.HHZ. 2022-09-23T04:16:19.74 0.3 undecidable manual S 180 52.1034 92 0.01 70
GU.GRAM.HHE. 2022-09-23T04:16:18.55 0.6 undecidable manual S 313 49.2174 92 -0.4 44
IV.SEI.HHZ. 2022-09-23T04:16:15.90 0.6 undecidable manual P 103 68.2761 92 0.61 39
IV.CRMI.HHZ. 2022-09-23T04:16:13.99 0.6 undecidable manual P 140 57.0984 92 0.42 43
IV.MOCL.EHZ. 2022-09-23T04:16:13.56 0.6 undecidable manual P 111 56.2992 92 0.1 46
GU.EQUI.HHZ. 2022-09-23T04:16:13.33 0.6 undecidable manual S 265 29.6481 95 -0.4 45
GU.MAIM.HHZ. 2022-09-23T04:16:13.89 0.3 undecidable manual S 185 31.0467 95 -0.21 71
GU.POPM.HHZ. 2022-09-23T04:16:12.35 0.3 undecidable manual S 131 24.6531 97 -0.08 73
IV.PII.HHZ. 2022-09-23T04:16:12.75 0.1 undecidable manual P 180 52.1034 92 -0.06 94
GU.GRAM.HHE. 2022-09-23T04:16:12.79 0.1 undecidable manual P 313 49.2174 92 0.43 87
IV.FNVD.HHZ. 2022-09-23T04:16:11.37 1.0 undecidable manual P 93 47.8188 93 -0.77 19
GU.CARD.HHZ. 2022-09-23T04:16:10.79 0.3 undecidable manual S 190 18.6702 104 -0.05 74
IV.ZCCA.HNN. 2022-09-23T04:16:10.81 1.0 undecidable manual P 64 40.1265 93 -0.15 23
GU.GSCL.HHZ. 2022-09-23T04:16:10.33 0.3 undecidable manual S 16 18.3705 104 -0.44 68
GU.MAIM.HHZ. 2022-09-23T04:16:09.25 0.6 undecidable manual P 185 31.0467 95 -0.31 46
MN.VLC.HNE. 2022-09-23T04:16:09.33 0.6 undecidable manual S 252 11.4774 124 0.25 48
IV.BDI.HHZ. 2022-09-23T04:16:09.92 0.3 undecidable manual S 158 15.3735 111 -0.09 74
GU.SARM.EHZ. 2022-09-23T04:16:08.94 0.3 undecidable manual S 265 9.7791 130 0.22 73
GU.POPM.HHZ. 2022-09-23T04:16:08.42 0.3 undecidable manual P 131 24.6531 97 -0.17 72
GU.EQUI.HHZ. 2022-09-23T04:16:08.97 0.6 undecidable manual P 265 29.6481 95 -0.37 45
GU.GSCL.HHZ. 2022-09-23T04:16:07.57 0.1 negative manual P 16 18.3705 104 -0.06 99
GU.CARD.HHZ. 2022-09-23T04:16:07.59 0.1 positive manual P 190 18.6702 104 -0.09 99
IV.BDI.HHZ. 2022-09-23T04:16:07.16 0.1 positive manual P 158 15.3735 111 -0.04 100
GU.SARM.EHZ. 2022-09-23T04:16:06.62 0.3 undecidable manual P 265 9.7791 130 0.17 74
MN.VLC.HNE. 2022-09-23T04:16:06.90 0.1 positive manual P 252 11.4774 124 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:1.5 0.0002545 0.1 AML other m 2022-09-23T04:16:10.09
IV.BDI.HNN. ML:1.5 0.0002465 0.78 AML other m 2022-09-23T04:16:10.10
IV.BDI.HHE. ML:1.6 0.000352 0.3 AML other m 2022-09-23T04:16:10.34
IV.BDI.HNE. ML:1.6 0.000332 0.3 AML other m 2022-09-23T04:16:10.35
GU.GSCL.HHE. ML:1.9 0.0005965 0.3 AML other m 2022-09-23T04:16:10.69
GU.CARD.HHN. ML:1.5 0.00023899999999999998 1.64 AML other m 2022-09-23T04:16:10.05
GU.GSCL.HHN. ML:2.0 0.000726 0.28 AML other m 2022-09-23T04:16:10.73
GU.CARD.HHE. ML:1.5 0.00021850000000000003 1.4 AML other m 2022-09-23T04:16:10.91
GU.POPM.HHN. ML:1.8 0.000343 0.5 AML other m 2022-09-23T04:16:12.54
GU.POPM.HHE. ML:1.8 0.00034399999999999996 0.38 AML other m 2022-09-23T04:16:13.01
IV.PII.HHE. ML:2.0 0.000246 0.24 AML other m 2022-09-23T04:16:22.80
IV.PII.HHN. ML:2.0 0.000221 0.5 AML other m 2022-09-23T04:16:22.63
IV.SEI.HHN. ML:1.6 0.00007445000000000001 1.48 AML other m 2022-09-23T04:16:28.25
IV.SEI.HHE. ML:1.7 0.00008575 1.58 AML other m 2022-09-23T04:16:30.86
GU.ENR.HHE. ML:2.1 0.000027249999999999998 0.14 AML other m 2022-09-23T04:17:06.41
GU.ENR.HHN. ML:2.3 0.000037199999999999996 0.14 AML other m 2022-09-23T04:17:06.46
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