Earthquake with magnitude of ML 0.9 on date 19-01-2023 and time 01:23:52 (Italy) in region 3 km SW Sansepolcro (AR)

A magnitude ML 0.9 earthquake occured in region: 3 km SW Sansepolcro (AR), on

  • 19-01-2023 00:23:52 (UTC)
  • 19-01-2023 01:23:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5500, 12.1240 at 8 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 3 15884 15884
San Giustino PG 4 11297 27181
Anghiari AR 5 5638 32819
Citerna PG 6 3531 36350
Monterchi AR 7 1757 38107
Monte Santa Maria Tiberina PG 13 1183 39290
CittĂ  di Castello PG 14 39913 79203
Pieve Santo Stefano AR 15 3183 82386
Caprese Michelangelo AR 15 1426 83812
Badia Tedalda AR 18 1087 84899
Borgo Pace PU 18 606 85505

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Arezzo (99543 inhabitants)
54 Km NW of Perugia (166134 inhabitants)
66 Km S of Cesena (96758 inhabitants)
67 Km SW of Rimini (147750 inhabitants)
69 Km E of Siena (53903 inhabitants)
74 Km E of Firenze (382808 inhabitants)
75 Km SW of Pesaro (94582 inhabitants)
75 Km S of Forlì (117913 inhabitants)
79 Km W of Fano (60888 inhabitants)
79 Km E of Scandicci (50609 inhabitants)
81 Km NW of Foligno (57155 inhabitants)
84 Km S of Faenza (58541 inhabitants)
90 Km E of Prato (191150 inhabitants)
95 Km SE of Imola (69797 inhabitants)
97 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 0.9 2023-01-19
00:23:52
43.5503 12.1237 8 2023-01-19
00:40:24
Sala Sismica INGV-Roma 113669891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-19 00:23:52 ± 0.06
Latitude 43.5503 ± 0.0036
Longitude 12.1237 ± 0.0050
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113669891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 392
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
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) 0.63672
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 113669891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-19 00:40:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-01-19T00:24:10.57 0.3 undecidable manual S 103 54.501 50 0.67 59
IV.SFI.EHZ. 2023-01-19T00:24:07.03 0.3 undecidable manual S 331 45.1215 50 -0.38 65
IV.OSSC.HHN. 2023-01-19T00:24:05.18 0.6 undecidable manual P 268 70.6737 50 0.31 42
IV.SACS.HHZ. 2023-01-19T00:24:04.06 3.0 undecidable manual P -2.43 0
IV.CSNT.HHE. 2023-01-19T00:24:04.85 0.3 undecidable manual P 263 67.5768 50 0.45 62
IV.CAFI.HHZ. 2023-01-19T00:24:01.85 0.6 undecidable manual S 207 27.6501 105 -0.19 47
IV.SSFR.HHZ. 2023-01-19T00:24:01.86 0.3 undecidable manual P 103 54.501 50 -0.52 62
IV.ATMI.HHZ. 2023-01-19T00:24:01.46 0.3 undecidable manual S 154 26.6511 106 -0.26 69
IV.SFI.EHZ. 2023-01-19T00:24:00.59 0.3 undecidable manual P 331 45.1215 50 -0.35 66
IV.APEC.HHZ. 2023-01-19T00:24:00.86 0.3 undecidable manual S 88 23.8539 108 0.07 73
IV.ATPI.EHZ. 2023-01-19T00:24:00.86 0.3 undecidable manual S 116 24.9528 107 -0.31 69
IV.CRE.HHZ. 2023-01-19T00:23:58.24 0.3 undecidable manual S 299 15.7731 116 0.06 74
IV.ATPI.EHZ. 2023-01-19T00:23:57.13 0.1 undecidable manual P 116 24.9528 107 -0.22 94
IV.PARC.HHZ. 2023-01-19T00:23:57.81 0.3 undecidable manual S 40 14.2746 118 0.09 73
IV.ATMI.HHZ. 2023-01-19T00:23:57.74 0.1 undecidable manual P 154 26.6511 106 0.08 96
IV.ATMC.EHZ. 2023-01-19T00:23:57.22 0.3 undecidable manual S 154 12.7761 121 -0.04 74
IV.CAFI.HHZ. 2023-01-19T00:23:57.93 0.1 undecidable manual P 207 27.6501 105 0.08 96
IV.APEC.HHZ. 2023-01-19T00:23:57.04 0.1 undecidable manual P 88 23.8539 108 -0.08 96
IV.BADI.EHZ. 2023-01-19T00:23:56.79 0.3 undecidable manual S 115 10.6782 125 0.13 73
IV.CRE.HHZ. 2023-01-19T00:23:55.62 0.1 undecidable manual P 299 15.7731 116 0 99
IV.PARC.HHZ. 2023-01-19T00:23:55.47 0.1 undecidable manual P 40 14.2746 118 0.12 97
IV.ATMC.EHZ. 2023-01-19T00:23:55.19 0.3 undecidable manual P 154 12.7761 121 0.11 73
IV.BADI.EHZ. 2023-01-19T00:23:54.95 0.1 undecidable manual P 115 10.6782 125 0.21 96
IV.SSP9.EHZ. 2023-01-19T00:23:54.78 0.3 undecidable manual S 13 2.6973 160 -0.11 75
IV.SSP9.EHZ. 2023-01-19T00:23:53.80 0.1 undecidable manual P 13 2.6973 160 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHE. ML:0.0 0.0016180955 0.2 AML other m 2023-01-19T00:23:55.70
IV.BADI.EHE. ML:0.9 0.00011603204999999999 0.14 AML other m 2023-01-19T00:23:57.00
IV.BADI.EHN. ML:1.0 0.00013886130000000002 0.24 AML other m 2023-01-19T00:23:57.50
IV.PARC.HHN. ML:1.1 0.000149039205 0.14 AML other m 2023-01-19T00:23:58.10
IV.PARC.HHE. ML:1.1 0.00012292595 0.12 AML other m 2023-01-19T00:23:59.02
IV.SSFR.HHN. ML:1.2 0.000038914755 0.22 AML other m 2023-01-19T00:24:12.69
IV.SSFR.HHE. ML:1.2 0.000033994150000000004 0.18 AML other m 2023-01-19T00:24:11.03
IV.CRE.HHE. ML:0.7 0.000044377219999999994 0.18 AML other m 2023-01-19T00:23:58.94
IV.CRE.HHN. ML:0.9 0.000072597535 0.2 AML other m 2023-01-19T00:23:59.52
IV.ATPI.EHE. ML:0.5 0.00002157406 0.12 AML other m 2023-01-19T00:24:02.36
IV.ATPI.EHN. ML:0.8 0.000037712295 0.14 AML other m 2023-01-19T00:24:01.69
IV.ATMI.HHE. ML:1.0 0.000058857775 0.16 AML other m 2023-01-19T00:24:01.88
IV.ATMI.HHN. ML:0.9 0.000045842685 0.18 AML other m 2023-01-19T00:24:01.85
IV.CAFI.HNE. ML:0.7 0.000029219790000000004 0.21 AML other m 2023-01-19T00:24:02.67
IV.CAFI.HNN. ML:0.9 0.00004124044 0.32 AML other m 2023-01-19T00:24:03.40
IV.CAFI.HHE. ML:0.7 0.000030396169999999997 0.14 AML other m 2023-01-19T00:24:02.66
IV.CAFI.HHN. ML:0.8 0.000034277364999999996 0.24 AML other m 2023-01-19T00:24:03.57
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