Earthquake with magnitude of ML 0.5 on date 19-01-2023 and time 01:27:49 (Italy) in region 2 km SW Sansepolcro (AR)

A magnitude ML 0.5 earthquake occured in region: 2 km SW Sansepolcro (AR), on

  • 19-01-2023 00:27:49 (UTC)
  • 19-01-2023 01:27:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5510, 12.1300 at 9 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 2 15884 15884
San Giustino PG 4 11297 27181
Citerna PG 6 3531 30712
Anghiari AR 6 5638 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 16 1426 83812
Borgo Pace PU 18 606 84418
Badia Tedalda AR 18 1087 85505
Mercatello sul Metauro PU 20 1378 86883

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)
80 Km E of Scandicci (50609 inhabitants)
81 Km NW of Foligno (57155 inhabitants)
84 Km S of Faenza (58541 inhabitants)
91 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 0.5 2023-01-19
00:27:49
43.551 12.13 9 2023-01-19
00:53:19
Sala Sismica INGV-Roma 113670091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-19 00:27:49 ± 0.05
Latitude 43.5510 ± 0.0018
Longitude 12.1300 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113670091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 198
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 113670091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-19 00:53:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.HNE. 2023-01-19T00:28:04.48 0.6 undecidable manual S 330 45.3213 50 0.08 46
IV.NARO.HHZ. 2023-01-19T00:28:01.70 0.3 undecidable manual S 79 36.8298 50 -0.42 66
IV.PIEI.HHZ. 2023-01-19T00:28:00.91 0.3 undecidable manual S 93 32.6451 50 -0.09 71
IV.TB03.DHZ.01 2023-01-19T00:27:59.49 0.3 undecidable manual S 126 28.0497 108 -0.06 72
IV.ATPC.HNZ. 2023-01-19T00:27:59.40 0.3 undecidable manual S 106 27.4503 108 0.05 72
IV.CAFI.HHZ. 2023-01-19T00:27:59.42 0.3 undecidable manual S 208 27.9498 108 -0.09 71
IV.SFI.HNE. 2023-01-19T00:27:58.09 1.0 undecidable manual P 330 45.3213 50 0.05 23
IV.ATMI.HHZ. 2023-01-19T00:27:58.79 0.3 undecidable manual S 155 26.4513 108 -0.25 69
IV.APEC.HHZ. 2023-01-19T00:27:58.12 0.3 undecidable manual S 88 23.3544 111 0.11 72
IV.ATPI.EHZ. 2023-01-19T00:27:58.54 0.3 undecidable manual S 117 24.5532 110 0.13 71
IV.NARO.HHZ. 2023-01-19T00:27:57.08 0.3 undecidable manual P 79 36.8298 50 0.35 67
IV.CAFI.HHZ. 2023-01-19T00:27:55.29 0.1 positive manual P 208 27.9498 108 0.07 96
IV.PIEI.HHZ. 2023-01-19T00:27:55.94 0.3 undecidable manual P 93 32.6451 50 -0.14 70
IV.TB03.DHZ.01 2023-01-19T00:27:55.25 0.3 undecidable manual P 126 28.0497 108 0.01 73
IV.ATPC.HNZ. 2023-01-19T00:27:55.03 0.6 undecidable manual P 106 27.4503 108 -0.1 48
IV.CRE.HHZ. 2023-01-19T00:27:55.81 0.3 undecidable manual S 298 16.1727 119 0.06 73
IV.ATPI.EHZ. 2023-01-19T00:27:54.74 0.6 undecidable manual P 117 24.5532 110 0.16 47
IV.BADI.EHZ. 2023-01-19T00:27:54.18 0.3 undecidable manual S 116 10.2786 131 0.12 73
IV.ATMC.EHZ. 2023-01-19T00:27:54.73 0.3 undecidable manual S 156 12.5763 125 0.03 74
IV.ATMI.HHZ. 2023-01-19T00:27:54.88 0.3 undecidable manual P 155 26.4513 108 -0.07 72
IV.PARC.HHZ. 2023-01-19T00:27:54.98 0.3 undecidable manual S 39 13.875 123 -0.09 73
IV.APEC.HHZ. 2023-01-19T00:27:54.47 0.6 undecidable manual P 88 23.3544 111 0.12 48
IV.CRE.HHZ. 2023-01-19T00:27:53.08 0.1 undecidable manual P 298 16.1727 119 0.03 98
IV.PARC.HHZ. 2023-01-19T00:27:52.80 0.1 undecidable manual P 39 13.875 123 0.15 96
IV.BADI.EHZ. 2023-01-19T00:27:52.18 0.1 undecidable manual P 116 10.2786 131 0.11 98
IV.ATMC.EHZ. 2023-01-19T00:27:52.55 0.1 undecidable manual P 156 12.5763 125 0.11 97
IV.SSP9.EHZ. 2023-01-19T00:27:52.10 0.3 undecidable manual S 3 2.4975 164 -0.45 69
IV.SSP9.EHZ. 2023-01-19T00:27:51.13 0.1 undecidable manual P 3 2.4975 164 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHE. ML:0.6 0.000047962699000000005 0.16 AML other m 2023-01-19T00:27:55.04
IV.BADI.EHN. ML:0.5 0.0000464755845 0.1 AML other m 2023-01-19T00:27:56.29
IV.PARC.HHE. ML:0.6 0.000039121240000000004 0.18 AML other m 2023-01-19T00:27:56.07
IV.PARC.HHN. ML:0.7 0.000050426209999999996 0.16 AML other m 2023-01-19T00:27:56.14
IV.CRE.HHE. ML:0.2 0.00001481245 0.18 AML other m 2023-01-19T00:27:56.07
IV.CRE.HHN. ML:0.4 0.000025016789999999997 0.14 AML other m 2023-01-19T00:27:56.73
IV.ATMI.HHE. ML:0.7 0.0000319777901 0.22 AML other m 2023-01-19T00:27:59.15
IV.ATMI.HHN. ML:0.4 0.000014145475 0.14 AML other m 2023-01-19T00:27:59.76
IV.CAFI.HHE. ML:0.4 0.00001627137465 0.1404 AML other m 2023-01-19T00:28:00.40
IV.CAFI.HHN. ML:0.4 0.000015356520000000003 0.1 AML other m 2023-01-19T00:28:00.52
IV.CAFI.HNE. ML:0.4 0.00001417401 0.1096 AML other m 2023-01-19T00:28:00.06
IV.CAFI.HNN. ML:0.3 0.00000998852 0.0996 AML other m 2023-01-19T00:27:59.67
IV.PIEI.HHE. ML:0.6 0.00002169604 0.1196 AML other m 2023-01-19T00:28:01.72
IV.PIEI.HHN. ML:0.4 0.000011288055 0.06 AML other m 2023-01-19T00:28:01.28
IV.PIEI.HNN. ML:1.2 0.00006476349000000001 0.43 AML other m 2023-01-19T00:28:09.23
IV.NARO.HHE. ML:0.4 0.000009008209999999999 0.06 AML other m 2023-01-19T00:28:02.40
IV.NARO.HHN. ML:0.7 0.00001795413 0.06 AML other m 2023-01-19T00:28:03.14
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