Earthquake with magnitude of ML 2.1 on date 02-09-2023 and time 17:09:02 (Italy) in region 4 km N Pieve Santo Stefano (AR)

A magnitude ML 2.1 earthquake occured in region: 4 km N Pieve Santo Stefano (AR), on

  • 02-09-2023 15:09:02 (UTC)
  • 02-09-2023 17:09:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7010, 12.0310 at 11 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
Pieve Santo Stefano AR 4 3183 3183
Caprese Michelangelo AR 7 1426 4609
Chiusi della Verna AR 8 2023 6632
Verghereto FC 11 1907 8539
Badia Tedalda AR 13 1087 9626
Chitignano AR 13 899 10525
Casteldelci RN 14 407 10932
Castel Focognano AR 17 3149 14081
Sansepolcro AR 17 15884 29965
Bibbiena AR 17 12241 42206
Anghiari AR 18 5638 47844
Bagno di Romagna FC 18 6026 53870
Subbiano AR 19 6331 60201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Arezzo (99543 inhabitants)
51 Km SW of Cesena (96758 inhabitants)
58 Km S of Forlì (117913 inhabitants)
59 Km SW of Rimini (147750 inhabitants)
63 Km E of Firenze (382808 inhabitants)
66 Km S of Faenza (58541 inhabitants)
69 Km E of Scandicci (50609 inhabitants)
71 Km NE of Siena (53903 inhabitants)
72 Km NW of Perugia (166134 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
77 Km SE of Imola (69797 inhabitants)
78 Km E of Prato (191150 inhabitants)
81 Km S of Ravenna (159116 inhabitants)
81 Km W of Fano (60888 inhabitants)
93 Km E of Pistoia (90315 inhabitants)
99 Km NW of Foligno (57155 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 2.1 2023-09-02
15:09:02
43.7012 12.0312 11 2023-09-02
15:34:59
Sala Sismica INGV-Roma 120691851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-02 15:09:02 ± 0.09
Latitude 43.7012 ± 0.0000
Longitude 12.0312 ± 0.0000
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120691851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 0
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 0.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 223
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90112
Number of stations at which the event was observed 55
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 120691851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-02 15:34:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT17.EHZ. 2023-09-02T15:10:28.79 3.0 undecidable manual Sg 12.76 0
4P.IT02A.HHZ. 2023-09-02T15:10:02.48 3.0 undecidable manual Pg 10.08 0
IV.GIUL.HHZ. 2023-09-02T15:09:54.34 3.0 undecidable manual Sn -3.43 0
GU.CARD.HHZ. 2023-09-02T15:09:41.32 3.0 undecidable manual Sn -1.89 0
IV.STAL.HHZ. 2023-09-02T15:09:39.28 3.0 positive manual Pn -0.68 0
IV.MTRZ.HHZ. 2023-09-02T15:09:37.99 3.0 undecidable manual S 0
IV.MF5.EHZ. 2023-09-02T15:09:29.74 3.0 undecidable manual Sg 0.67 0
IV.FROS.CHE. 2023-09-02T15:09:29.44 1.0 undecidable manual S 233 89.0442 90 0.59 21
IV.RIBO.EHZ.01 2023-09-02T15:09:27.87 3.0 positive manual Pg 7.73 0
IV.FOSV.EHZ. 2023-09-02T15:09:25.76 0.3 undecidable manual S 127 74.0703 90 0.93 55
IV.SSFR.HHZ. 2023-09-02T15:09:23.71 3.0 undecidable manual S 0
IV.TSM1.DHZ.01 2023-09-02T15:09:22.06 0.1 undecidable manual S 131 60.2952 90 0.92 76
IV.FRON.EHZ. 2023-09-02T15:09:21.63 0.3 undecidable manual S 110 59.3961 90 0.72 62
IV.CSP1.EHZ. 2023-09-02T15:09:21.99 3.0 undecidable manual Sn -2.03 0
IV.MTRZ.HHZ. 2023-09-02T15:09:21.63 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2023-09-02T15:09:21.94 3.0 undecidable manual Sn -1.65 0
IV.MPAG.HNE. 2023-09-02T15:09:21.62 0.1 undecidable manual S 98 58.9965 90 0.82 79
IV.MOMA.HHZ. 2023-09-02T15:09:21.14 3.0 undecidable manual Sn -4.43 0
IV.ARCI.HHZ. 2023-09-02T15:09:20.48 3.0 negative manual Pg 2.9 0
IV.ASSB.HHZ. 2023-09-02T15:09:19.63 3.0 undecidable manual Sn -0.47 0
IV.MML1.HNZ. 2023-09-02T15:09:19.30 0.1 undecidable manual P 130 100.0221 90 -0.13 90
IV.CRMI.HHZ. 2023-09-02T15:09:18.14 3.0 undecidable manual Pn -0.36 0
IV.FROS.CHE. 2023-09-02T15:09:18.33 0.1 undecidable manual P 233 89.0442 90 0.57 83
IV.SNTG.HHE. 2023-09-02T15:09:17.74 0.1 undecidable manual P 124 88.3449 90 0.1 92
IV.PIEI.HHZ. 2023-09-02T15:09:17.08 0.6 undecidable manual S 114 44.4222 90 0.16 50
IV.MGAB.HHZ. 2023-09-02T15:09:17.46 3.0 negative manual Pg 4.15 0
IV.COR1.EHZ. 2023-09-02T15:09:17.72 3.0 undecidable manual P 0
IV.MOCL.EHZ. 2023-09-02T15:09:17.14 3.0 undecidable manual Pn -0.27 0
IV.TB01.DHE.01 2023-09-02T15:09:17.99 0.1 undecidable manual S 137 48.1185 90 0.09 100
IV.TSM3.DHN.01 2023-09-02T15:09:16.50 0.6 undecidable manual S 143 43.9227 90 -0.28 48
IV.MPPT.EHZ. 2023-09-02T15:09:16.94 3.0 negative manual Pn -1.06 0
IV.ATCC.EHZ. 2023-09-02T15:09:16.17 3.0 undecidable manual Sn -0.59 0
IV.VISG.HHZ. 2023-09-02T15:09:16.33 3.0 undecidable manual Pn -0.2 0
IV.ARVD.HHZ. 2023-09-02T15:09:16.27 3.0 undecidable manual Sg 1.2 0
IV.LOCA.HNZ. 2023-09-02T15:09:15.93 0.1 undecidable manual P 235 75.7686 90 0.23 92
IV.FOSV.EHZ. 2023-09-02T15:09:15.39 0.1 undecidable manual P 127 74.0703 90 -0.05 96
IV.SEI.HHZ. 2023-09-02T15:09:15.53 3.0 negative manual Pn -0.6 0
IV.OSSC.HHZ. 2023-09-02T15:09:15.38 3.0 positive manual Pn -0.28 0
IV.CSNT.HHZ. 2023-09-02T15:09:14.90 3.0 undecidable manual Pn -0.4 0
IV.SSFR.HHZ. 2023-09-02T15:09:14.09 3.0 undecidable manual P 0
IV.TSM6.DHN.01 2023-09-02T15:09:14.01 0.1 undecidable manual S 136 35.0427 90 -0.41 96
IV.MPAG.HNE. 2023-09-02T15:09:13.03 0.1 undecidable manual P 98 58.9965 90 -0.08 98
IV.MURB.HHZ. 2023-09-02T15:09:13.49 0.1 undecidable manual P 141 62.7927 90 -0.2 95
IV.BOSL.HHZ. 2023-09-02T15:09:13.24 3.0 negative manual Pn -2.02 0
IV.TSM5.DH2.10 2023-09-02T15:09:12.32 0.1 undecidable manual P 118 52.1034 90 0.28 95
IV.ATFO.HHZ. 2023-09-02T15:09:12.46 3.0 undecidable manual S -0.33 0
IV.FRON.EHZ. 2023-09-02T15:09:12.98 0.1 undecidable manual P 110 59.3961 90 -0.19 96
IV.TSM1.DHZ.01 2023-09-02T15:09:12.96 0.1 undecidable manual P 131 60.2952 90 -0.35 93
IV.TB02.DHZ.01 2023-09-02T15:09:12.24 3.0 undecidable manual P 0
IV.VMGN.HHZ. 2023-09-02T15:09:11.65 3.0 positive manual Pn -2.33 0
IV.TB01.DHE.01 2023-09-02T15:09:10.96 0.1 undecidable manual P 137 48.1185 90 -0.47 92
IV.PE3.EHZ. 2023-09-02T15:09:10.18 3.0 undecidable manual P 0
IV.TSM3.DHN.01 2023-09-02T15:09:10.33 0.1 undecidable manual P 143 43.9227 90 -0.46 93
IV.TB03.DH2.01 2023-09-02T15:09:10.45 0.1 undecidable manual P 137 45.1215 90 -0.52 91
IV.PIEI.HHZ. 2023-09-02T15:09:10.55 0.1 undecidable manual P 114 44.4222 90 -0.32 96
IV.NARO.HHZ. 2023-09-02T15:09:10.96 0.3 undecidable manual P 103 45.2214 90 -0.03 76
IV.RINC.EHZ. 2023-09-02T15:09:10.18 3.0 negative manual Pn -2.74 0
IV.ATVO.HHZ. 2023-09-02T15:09:10.85 3.0 undecidable manual S -1.64 0
IV.ATMI.HHZ. 2023-09-02T15:09:10.27 3.0 undecidable manual Pg 2.6 0
IV.CAFI.HHZ. 2023-09-02T15:09:09.69 3.0 positive manual P 0.04 0
IV.SFI.EHZ. 2023-09-02T15:09:08.20 3.0 positive manual Pn -2.79 0
IV.ATPI.EHZ. 2023-09-02T15:09:08.84 3.0 positive manual Pg 2.63 0
IV.CPGN.EHZ. 2023-09-02T15:09:08.65 3.0 undecidable manual P 0
IV.TSM6.DHN.01 2023-09-02T15:09:08.87 0.1 undecidable manual P 136 35.0427 90 -0.56 92
IV.BADI.EHZ. 2023-09-02T15:09:07.52 3.0 negative manual P 0.98 0
IV.CRE.HHZ. 2023-09-02T15:09:04.75 3.0 undecidable manual Pn -3.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:2.6 0.00521 1.3 AML other m 2023-09-02T15:09:08.93
IV.CRE.HHE. ML:2.5 0.003675 0.62 AML other m 2023-09-02T15:09:09.61
IV.CPGN.EHN. ML:2.2 0.00088 1.28 AML other m 2023-09-02T15:09:15.85
IV.CPGN.EHE. ML:2.2 0.0008815 0.62 AML other m 2023-09-02T15:09:15.68
IV.CAFI.HNN. ML:2.4 0.0007920000000000001 0.16 AML other m 2023-09-02T15:09:15.68
IV.CAFI.HHN. ML:2.4 0.0008435000000000001 0.16 AML other m 2023-09-02T15:09:15.68
IV.CAFI.HHE. ML:2.4 0.000823 0.48 AML other m 2023-09-02T15:09:15.98
IV.CAFI.HNE. ML:2.4 0.0007669999999999999 0.48 AML other m 2023-09-02T15:09:15.98
IV.SFI.EHN. ML:2.0 0.0005164999999999999 1.58 AML other m 2023-09-02T15:09:15.96
IV.SFI.HNN. ML:2.0 0.0005655 0.62 AML other m 2023-09-02T15:09:17.04
IV.PIEI.HNE. ML:2.0 0.0003415 0.74 AML other m 2023-09-02T15:09:17.61
IV.PIEI.HHE. ML:2.0 0.00033150000000000003 0.52 AML other m 2023-09-02T15:09:17.61
IV.NARO.HHE. ML:2.0 0.00026000000000000003 0.38 AML other m 2023-09-02T15:09:17.65
IV.NARO.HHN. ML:2.2 0.000495 0.16 AML other m 2023-09-02T15:09:18.24
IV.SFI.HNE. ML:1.8 0.0003685 1.36 AML other m 2023-09-02T15:09:18.86
IV.PIEI.HNN. ML:1.9 0.0002405 0.86 AML other m 2023-09-02T15:09:18.01
IV.RINC.EHE. ML:1.9 0.0002595 0.66 AML other m 2023-09-02T15:09:18.62
IV.PE3.EHE. ML:2.6 0.00147 1.66 AML other m 2023-09-02T15:09:19.01
IV.RINC.EHN. ML:2.2 0.0005394999999999999 1.3 AML other m 2023-09-02T15:09:19.78
IV.PIEI.HHN. ML:1.8 0.0002 0.94 AML other m 2023-09-02T15:09:19.00
IV.VMGN.HHE. ML:1.9 0.00021300000000000003 0.28 AML other m 2023-09-02T15:09:19.81
IV.PE3.EHN. ML:2.5 0.0011099999999999999 0.44 AML other m 2023-09-02T15:09:20.76
IV.SFI.EHE. ML:1.9 0.00039449999999999994 1.06 AML other m 2023-09-02T15:09:20.22
IV.FRON.EHE. ML:1.7 0.0001175 0.16 AML other m 2023-09-02T15:09:22.93
IV.CSNT.HHN. ML:2.1 0.0002375 1.58 AML other m 2023-09-02T15:09:23.84
IV.VMGN.HHN. ML:1.9 0.0002095 0.48 AML other m 2023-09-02T15:09:23.89
IV.OSSC.HHE. ML:2.0 0.000163 0.5 AML other m 2023-09-02T15:09:24.37
IV.SSFR.HNN. ML:2.4 0.0004185 1.04 AML other m 2023-09-02T15:09:24.66
IV.CSNT.HHE. ML:1.9 0.000151 0.44 AML other m 2023-09-02T15:09:24.05
IV.MURB.HHE. ML:2.6 0.0008950000000000001 0.3 AML other m 2023-09-02T15:09:24.62
IV.MURB.HHN. ML:2.5 0.0006450000000000001 1.6 AML other m 2023-09-02T15:09:24.13
IV.SSFR.HNE. ML:2.4 0.00047250000000000005 0.4 AML other m 2023-09-02T15:09:25.96
IV.FRON.EHN. ML:2.0 0.0001965 0.64 AML other m 2023-09-02T15:09:25.97
IV.SSFR.HHE. ML:2.3 0.000368 0.2 AML other m 2023-09-02T15:09:26.26
IV.BOSL.HHN. ML:1.5 0.0000632 0.6 AML other m 2023-09-02T15:09:26.21
IV.BOSL.HHE. ML:1.4 0.0000506 1.3 AML other m 2023-09-02T15:09:27.89
IV.SSFR.HHN. ML:2.2 0.0003145 0.2 AML other m 2023-09-02T15:09:27.28
IV.OSSC.HHN. ML:1.9 0.00015699999999999997 0.46 AML other m 2023-09-02T15:09:28.37
IV.FOSV.EHN. ML:1.7 0.0000688 0.5 AML other m 2023-09-02T15:09:28.93
IV.FOSV.EHE. ML:1.7 0.0000839 0.92 AML other m 2023-09-02T15:09:29.31
IV.SEI.HHE. ML:2.2 0.0003185 0.34 AML other m 2023-09-02T15:09:29.47
IV.CRMI.HHN. ML:2.1 0.0001745 0.88 AML other m 2023-09-02T15:09:31.90
IV.VISG.HHN. ML:1.4 0.0000447 1.04 AML other m 2023-09-02T15:09:32.07
IV.CRMI.HHE. ML:1.7 0.0000619 1.02 AML other m 2023-09-02T15:09:32.32
IV.MGAB.HNE. ML:2.4 0.00032599999999999996 1.58 AML other m 2023-09-02T15:09:32.00
IV.MGAB.HHE. ML:2.4 0.000294 1.7 AML other m 2023-09-02T15:09:32.85
IV.MGAB.HHN. ML:2.5 0.00036050000000000003 0.3 AML other m 2023-09-02T15:09:33.27
IV.MGAB.HNN. ML:2.4 0.0003265 0.3 AML other m 2023-09-02T15:09:33.28
IV.MPPT.EHN. ML:1.8 0.0000776 1.7 AML other m 2023-09-02T15:09:33.96
IV.VISG.HHE. ML:1.5 0.0000502 1.24 AML other m 2023-09-02T15:09:33.37
IV.MOCL.EHE. ML:1.8 0.00009805 0.62 AML other m 2023-09-02T15:09:34.79
IV.SEI.HHN. ML:2.2 0.0003195 0.5 AML other m 2023-09-02T15:09:34.58
IV.MPPT.EHE. ML:1.9 0.00010489999999999999 1.4 AML other m 2023-09-02T15:09:35.91
IV.MOCL.EHN. ML:1.8 0.0000885 0.64 AML other m 2023-09-02T15:09:35.04
GU.CARD.HHN. ML:1.7 0.0000367 0.82 AML other m 2023-09-02T15:09:41.47
IV.FDMO.HHN. ML:1.7 0.00004475 1.18 AML other m 2023-09-02T15:09:42.39
IV.CSP1.EHN. ML:2.3 0.0001575 0.62 AML other m 2023-09-02T15:09:43.56
IV.FDMO.HHE. ML:1.7 0.000039699999999999996 0.6 AML other m 2023-09-02T15:09:44.03
GU.CARD.HHE. ML:1.9 0.00005535 0.32 AML other m 2023-09-02T15:09:44.83
IV.CSP1.EHE. ML:2.2 0.0001255 0.68 AML other m 2023-09-02T15:09:46.92
IV.STAL.HHE. ML:3.0 0.0001185 0.2 AML other m 2023-09-02T15:09:53.51
IV.STAL.HHN. ML:2.8 0.00009415 0.26 AML other m 2023-09-02T15:09:53.48
IV.MF5.EHE. ML:2.2 0.00008340000000000001 0.92 AML other m 2023-09-02T15:09:54.05
IV.MF5.EHN. ML:2.0 0.0000552 1.1 AML other m 2023-09-02T15:09:54.93
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
Waveforms Seismic signals in miniseed + resp format Download