Earthquake with magnitude of ML 1.7 on date 22-11-2023 and time 04:30:04 (Italy) in region 5 km NW Sansepolcro (AR)

A magnitude ML 1.7 earthquake occured in region: 5 km NW Sansepolcro (AR), on

  • 22-11-2023 03:30:04 (UTC)
  • 22-11-2023 04:30:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6100, 12.1020 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
Sansepolcro AR 5 15884 15884
Pieve Santo Stefano AR 8 3183 19067
Anghiari AR 8 5638 24705
San Giustino PG 9 11297 36002
Caprese Michelangelo AR 10 1426 37428
Citerna PG 12 3531 40959
Badia Tedalda AR 13 1087 42046
Monterchi AR 14 1757 43803
Borgo Pace PU 17 606 44409
Chiusi della Verna AR 17 2023 46432
Chitignano AR 19 899 47331
Subbiano AR 19 6331 53662
Sestino AR 19 1355 55017
Mercatello sul Metauro PU 19 1378 56395
Monte Santa Maria Tiberina PG 20 1183 57578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Arezzo (99543 inhabitants)
60 Km S of Cesena (96758 inhabitants)
61 Km NW of Perugia (166134 inhabitants)
63 Km SW of Rimini (147750 inhabitants)
68 Km S of Forlì (117913 inhabitants)
70 Km E of Siena (53903 inhabitants)
70 Km E of Firenze (382808 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
76 Km E of Scandicci (50609 inhabitants)
77 Km S of Faenza (58541 inhabitants)
78 Km W of Fano (60888 inhabitants)
86 Km E of Prato (191150 inhabitants)
88 Km NW of Foligno (57155 inhabitants)
88 Km SE of Imola (69797 inhabitants)
90 Km S of Ravenna (159116 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 1.7 2023-11-22
03:30:04
43.6098 12.1022 10 2023-11-22
03:40:06
Sala Sismica INGV-Roma 123321341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-22 03:30:04 ± 0.08
Latitude 43.6098 ± 0.0045
Longitude 12.1022 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123321341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 522
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52251
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 123321341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-22 03:40:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2023-11-22T03:30:53.16 3.0 undecidable manual S 3.02 0
IV.SSFR.HHZ. 2023-11-22T03:30:23.29 0.3 undecidable manual S 109 57.9975 50 0.68 59
IV.FRON.EHZ. 2023-11-22T03:30:21.17 0.6 undecidable manual S 101 51.1155 50 0.39 44
IV.NARO.HHZ. 2023-11-22T03:30:17.15 0.3 undecidable manual S 90 38.4282 50 -0.23 69
IV.CSNT.HHZ. 2023-11-22T03:30:17.15 3.0 positive manual P 0.23 0
IV.PIEI.HHZ. 2023-11-22T03:30:16.58 0.6 undecidable manual S 103 35.742 50 -0.09 48
IV.ATMI.HHZ. 2023-11-22T03:30:16.02 0.6 undecidable manual S 156 33.3444 50 -0.02 49
IV.PE3.EHZ. 2023-11-22T03:30:16.48 0.6 undecidable manual S 73 33.0447 50 0.53 44
IV.CAFI.HHZ. 2023-11-22T03:30:15.91 0.6 undecidable manual S 199 33.0447 50 -0.03 49
IV.ATPI.EHZ. 2023-11-22T03:30:15.10 0.6 undecidable manual S 126 29.9478 50 -0.01 49
IV.SSFR.HHZ. 2023-11-22T03:30:15.03 0.1 undecidable manual P 109 57.9975 50 0.14 91
IV.APEC.HHZ. 2023-11-22T03:30:14.12 0.3 undecidable manual S 102 26.1516 110 0.09 73
IV.MURB.HHZ. 2023-11-22T03:30:14.21 3.0 undecidable manual P 0.17 0
IV.FRON.EHZ. 2023-11-22T03:30:13.61 0.1 undecidable manual P 101 51.1155 50 -0.23 90
IV.TSM6.DHZ.11 2023-11-22T03:30:13.26 0.6 undecidable manual S 129 24.0537 112 -0.08 49
IV.SFI.EHZ. 2023-11-22T03:30:12.15 3.0 negative manual P 0.05 0
IV.PE3.EHZ. 2023-11-22T03:30:11.05 0.1 undecidable manual P 73 33.0447 50 0 98
IV.ATMC.EHZ. 2023-11-22T03:30:11.93 0.6 undecidable manual S 158 19.4694 116 0.02 50
IV.PIEI.HHZ. 2023-11-22T03:30:11.13 0.1 undecidable manual P 103 35.742 50 -0.34 91
IV.NARO.HHZ. 2023-11-22T03:30:11.61 0.1 negative manual P 90 38.4282 50 -0.27 92
IV.ATMI.HHZ. 2023-11-22T03:30:11.00 0.1 undecidable manual P 156 33.3444 50 -0.1 96
IV.CAFI.HHZ. 2023-11-22T03:30:11.15 0.1 positive manual P 199 33.0447 50 0.11 96
IV.ATPI.EHZ. 2023-11-22T03:30:10.44 0.1 undecidable manual P 126 29.9478 50 -0.12 96
IV.BADI.EHZ. 2023-11-22T03:30:10.85 0.6 undecidable manual S 134 15.9729 121 0.02 50
IV.CRE.HHZ. 2023-11-22T03:30:09.76 0.6 undecidable manual S 275 12.0768 129 0.03 51
IV.APEC.HHZ. 2023-11-22T03:30:09.86 0.1 undecidable manual P 102 26.1516 110 -0.08 97
IV.TSM6.DHZ.11 2023-11-22T03:30:09.44 0.1 undecidable manual P 129 24.0537 112 -0.1 97
IV.BADI.EHZ. 2023-11-22T03:30:08.22 0.1 negative manual P 134 15.9729 121 0.13 98
IV.ATMC.EHZ. 2023-11-22T03:30:08.73 0.1 undecidable manual P 158 19.4694 116 0.01 100
IV.CRE.HHZ. 2023-11-22T03:30:07.62 0.1 undecidable manual P 275 12.0768 129 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:2.0 0.001185 0.6 AML other m 2023-11-22T03:30:09.87
IV.CRE.HHE. ML:1.7 0.0005780000000000001 0.94 AML other m 2023-11-22T03:30:10.17
IV.BADI.EHN. ML:1.5 0.00029049999999999996 0.4 AML other m 2023-11-22T03:30:11.45
IV.BADI.EHE. ML:1.5 0.000317 0.38 AML other m 2023-11-22T03:30:12.42
IV.APEC.HHN. ML:2.1 0.0006990000000000001 1.82 AML other m 2023-11-22T03:30:14.03
IV.APEC.HHE. ML:2.2 0.0009274999999999999 1.7 AML other m 2023-11-22T03:30:15.87
IV.ATPI.EHN. ML:1.4 0.0001144 0.84 AML other m 2023-11-22T03:30:16.59
IV.ATMI.HHE. ML:1.7 0.0002055 0.48 AML other m 2023-11-22T03:30:16.34
IV.CAFI.HHN. ML:1.4 0.00010400000000000001 0.38 AML other m 2023-11-22T03:30:16.73
IV.PE3.EHN. ML:2.1 0.00055 1.6 AML other m 2023-11-22T03:30:16.84
IV.PE3.EHE. ML:2.1 0.0005285 0.28 AML other m 2023-11-22T03:30:16.99
IV.CAFI.HHE. ML:1.2 0.00007345 0.8 AML other m 2023-11-22T03:30:17.48
IV.PIEI.HHE. ML:2.1 0.0004984999999999999 0.14 AML other m 2023-11-22T03:30:17.09
IV.PIEI.HHN. ML:1.7 0.0002055 1.1 AML other m 2023-11-22T03:30:17.23
IV.NARO.HHN. ML:1.8 0.000236 0.08 AML other m 2023-11-22T03:30:17.39
IV.NARO.HHE. ML:1.7 0.00017649999999999998 0.58 AML other m 2023-11-22T03:30:17.63
IV.ATPI.EHE. ML:1.5 0.000161 1.58 AML other m 2023-11-22T03:30:26.87
IV.ATMI.HHN. ML:1.6 0.0001695 0.5 AML other m 2023-11-22T03:30:27.29
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