Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 09-03-2023 and time 12:49:52 (UTC) in region 6 km NE Città di Castello (PG)

A magnitude ML 1.5 earthquake occured in region: 6 km NE Città di Castello (PG), on

  • 09-03-2023 12:49:52 (UTC)
  • 09-03-2023 13:49:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4960, 12.2880 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Città di Castello PG 6 39913 39913
San Giustino PG 11 11297 51210
Monte Santa Maria Tiberina PG 12 1183 52393
Apecchio PU 13 1882 54275
Pietralunga PG 13 2111 56386
Citerna PG 14 3531 59917
Monterchi AR 14 1757 61674
Sansepolcro AR 14 15884 77558
Montone PG 15 1680 79238
Mercatello sul Metauro PU 18 1378 80616
Borgo Pace PU 18 606 81222
Anghiari AR 19 5638 86860

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Arezzo (99543 inhabitants)
44 Km N of Perugia (166134 inhabitants)
67 Km SW of Rimini (147750 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
69 Km NW of Foligno (57155 inhabitants)
71 Km SW of Fano (60888 inhabitants)
72 Km S of Cesena (96758 inhabitants)
80 Km E of Siena (53903 inhabitants)
83 Km S of Forlì (117913 inhabitants)
88 Km E of Firenze (382808 inhabitants)
94 Km SE of Faenza (58541 inhabitants)
94 Km E of Scandicci (50609 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 1.5 2023-03-09
12:49:52		 43.4955 12.2877 10 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115474931
Reviewed
Rev100 		ML 1.6 2023-03-09
12:49:52		 43.4975 12.2858 10 2023-03-09
12:59:32		 Sala Sismica INGV-Roma 115147061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-09 12:49:52 ± 0.04
Latitude 43.4955 ± 0.0018
Longitude 12.2877 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115474931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 210
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
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) 74
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 47
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36692
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 115474931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-17 15:12:20

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 115147061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-09 12:59:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-03-09T12:50:23.34 3.0 undecidable manual S -0.02 0
IV.SSFR.HHZ. 2023-03-09T12:50:06.56 0.6 undecidable manual Sg 100
IV.MPAG.HNZ. 2023-03-09T12:50:06.80 0.6 undecidable manual S 68 40.7259 50 0.12 47
IV.CSP1.EHZ. 2023-03-09T12:50:06.98 3.0 undecidable manual P -1.15 0
IV.CAFI.HHZ. 2023-03-09T12:50:04.10 0.6 undecidable manual S 235 31.8459 50 -0.2 47
IV.ATSC.EHZ. 2023-03-09T12:50:04.50 0.6 undecidable manual S 104 33.0447 50 -0.14 48
IV.MURB.HHZ. 2023-03-09T12:50:04.40 0.6 undecidable manual S 143 32.1456 50 0.02 49
IV.CRE.HHZ. 2023-03-09T12:50:03.80 0.6 undecidable manual S 297 30.2475 50 -0.1 48
IV.NARO.HHZ. 2023-03-09T12:50:02.40 0.6 undecidable manual S 61 26.751 109 -0.45 45
IV.ATBU.EHE. 2023-03-09T12:50:01.20 0.6 undecidable manual S 96 21.0678 114 0.19 48
IV.ATVA.EHZ. 2023-03-09T12:50:01.40 0.6 undecidable manual S 180 24.0537 111 -0.56 44
IV.ATLO.EHN. 2023-03-09T12:50:01.20 0.6 undecidable manual S 154 22.1556 113 -0.17 48
IV.ATMI.HHZ. 2023-03-09T12:50:00.00 0.6 undecidable manual S 185 17.9709 118 -0.04 50
IV.PIEI.HHZ. 2023-03-09T12:50:00.60 0.6 undecidable manual S 77 20.3685 115 -0.18 48
IV.TB02.DHZ. 2023-03-09T12:50:00.00 0.6 undecidable manual S 145 16.9719 119 0.26 48
IV.MPAG.HNZ. 2023-03-09T12:50:00.83 0.1 undecidable manual P 68 40.7259 50 -0.07 96
IV.TSM2.DHZ.01 2023-03-09T12:50:00.50 0.6 undecidable manual S 124 19.6692 116 -0.06 50
IV.MURB.HHZ. 2023-03-09T12:49:59.82 0.6 undecidable manual P 143 32.1456 50 0.25 47
IV.TB01.DHE.01 2023-03-09T12:49:59.90 0.6 undecidable manual S 137 17.3715 119 0.05 50
IV.CAFI.HHZ. 2023-03-09T12:49:59.59 0.1 positive manual P 235 31.8459 50 0.07 97
IV.SSP9.EHZ. 2023-03-09T12:49:59.10 0.6 undecidable manual S 305 15.2736 122 -0.12 49
IV.CRE.HHZ. 2023-03-09T12:49:59.30 1.0 undecidable manual P 297 30.2475 50 0.01 25
IV.PARC.HHZ. 2023-03-09T12:49:59.90 0.6 undecidable manual S 347 17.4714 118 0.03 50
IV.ATVO.HHZ. 2023-03-09T12:49:59.40 0.6 undecidable manual S 143 15.7731 121 0.02 50
IV.ATSC.EHZ. 2023-03-09T12:49:59.52 0.1 undecidable manual P 104 33.0447 50 -0.2 94
IV.NARO.HHZ. 2023-03-09T12:49:58.58 0.6 positive manual P 61 26.751 109 -0.1 49
IV.ATPC.HNE. 2023-03-09T12:49:58.80 0.6 undecidable manual S 97 13.6752 125 0.03 50
IV.TB03.DH1.01 2023-03-09T12:49:58.80 0.6 undecidable manual S 137 14.3745 123 -0.16 49
IV.TSM2.DHZ.01 2023-03-09T12:49:57.33 0.3 undecidable manual P 124 19.6692 116 -0.03 75
IV.TB02.DHZ. 2023-03-09T12:49:57.09 0.1 undecidable manual P 145 16.9719 119 0.2 97
IV.TB01.DHE.01 2023-03-09T12:49:57.07 0.3 undecidable manual P 137 17.3715 119 0.12 74
IV.ATBU.EHE. 2023-03-09T12:49:57.72 0.3 undecidable manual P 96 21.0678 114 0.1 74
IV.ATMI.HHZ. 2023-03-09T12:49:57.25 0.3 positive manual P 185 17.9709 118 0.19 73
IV.ATPI.EHZ. 2023-03-09T12:49:57.60 0.6 undecidable manual S 118 10.4784 132 -0.28 48
IV.PIEI.HHZ. 2023-03-09T12:49:57.57 0.6 negative manual P 77 20.3685 115 0.08 49
IV.ATVA.EHZ. 2023-03-09T12:49:57.93 0.1 undecidable manual P 180 24.0537 111 -0.24 95
IV.PARC.HHZ. 2023-03-09T12:49:57.10 0.6 negative manual P 347 17.4714 118 0.14 49
IV.ATLO.EHN. 2023-03-09T12:49:57.85 0.3 undecidable manual P 154 22.1556 113 0.03 75
IV.ATMC.EHE. 2023-03-09T12:49:57.40 0.6 undecidable manual S 235 9.3795 135 -0.2 49
IV.CDCA.HNZ. 2023-03-09T12:49:57.00 0.6 undecidable manual S 227 5.994 148 0.13 50
IV.ATPC.HNE. 2023-03-09T12:49:56.52 0.3 undecidable manual P 97 13.6752 125 0.19 73
IV.BADI.EHZ. 2023-03-09T12:49:56.05 0.6 undecidable manual S 294 3.7962 158 -0.47 47
IV.SSP9.EHZ. 2023-03-09T12:49:56.92 0.6 negative manual P 305 15.2736 122 0.33 47
IV.TB03.DH1.01 2023-03-09T12:49:56.55 0.3 undecidable manual P 137 14.3745 123 0.11 74
IV.ATVO.HHZ. 2023-03-09T12:49:56.88 0.3 negative manual P 143 15.7731 121 0.2 73
IV.BADI.EHZ. 2023-03-09T12:49:55.03 0.6 undecidable manual P 294 3.7962 158 0 52
IV.ATPI.EHZ. 2023-03-09T12:49:55.89 1.0 undecidable manual P 118 10.4784 132 0.07 25
IV.CDCA.HNZ. 2023-03-09T12:49:55.37 0.1 undecidable manual P 227 5.994 148 0.14 100
IV.ATMC.EHE. 2023-03-09T12:49:55.80 0.3 undecidable manual P 235 9.3795 135 0.15 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHE. ML:2.1 0.0025712925000000004 0.16 AML other m 2023-03-09T12:49:56.24
IV.BADI.EHN. ML:2.0 0.0018747734999999999 0.1984 AML other m 2023-03-09T12:49:56.16
IV.ATPI.HNE. ML:1.4 0.00035143755 0.1024 AML other m 2023-03-09T12:49:57.84
IV.ATPI.EHE. ML:1.4 0.00035 0.1 AML other m 2023-03-09T12:49:57.84
IV.ATPI.EHN. ML:1.4 0.00030784035 0.16 AML other m 2023-03-09T12:49:57.88
IV.ATPI.HNN. ML:1.4 0.00029895860000000003 0.096 AML other m 2023-03-09T12:49:57.93
IV.ATVO.HNN. ML:1.8 0.00069712995 1.7696 AML other m 2023-03-09T12:49:59.08
IV.ATVO.HNE. ML:1.7 0.00054269005 0.1088 AML other m 2023-03-09T12:50:00.12
IV.ATVO.HHE. ML:1.8 0.0005634742 0.1152 AML other m 2023-03-09T12:50:00.06
IV.SSP9.EHN. ML:1.0 0.00008882110500000001 0.2368 AML other m 2023-03-09T12:50:00.31
IV.ATVO.HHN. ML:1.9 0.00075 0.28 AML other m 2023-03-09T12:50:00.08
IV.PARC.HHN. ML:1.7 0.00039449999999999994 0.2 AML other m 2023-03-09T12:50:00.50
IV.PARC.HHE. ML:1.7 0.00047009425000000003 0.096 AML other m 2023-03-09T12:50:00.58
IV.ATMI.HHE. ML:1.6 0.0003605 0.26 AML other m 2023-03-09T12:50:00.57
IV.PIEI.HNE. ML:1.5 0.0002502619 0.1216 AML other m 2023-03-09T12:50:01.26
IV.PIEI.HHE. ML:1.5 0.00024990355 0.1216 AML other m 2023-03-09T12:50:01.20
IV.PIEI.HHN. ML:1.3 0.00016099999999999998 0.7 AML other m 2023-03-09T12:50:01.43
IV.PIEI.HNN. ML:1.3 0.00014784455000000003 0.1024 AML other m 2023-03-09T12:50:01.44
IV.NARO.HHE. ML:1.4 0.000127 1.02 AML other m 2023-03-09T12:50:02.22
IV.NARO.HHN. ML:1.4 0.0001565 1.42 AML other m 2023-03-09T12:50:02.86
IV.ATMI.HHN. ML:1.4 0.00021008654999999998 0.4416 AML other m 2023-03-09T12:50:04.95
IV.MURB.HHE. ML:1.8 0.00027 0.28 AML other m 2023-03-09T12:50:04.81
IV.MURB.HHN. ML:1.7 0.00023150000000000002 0.28 AML other m 2023-03-09T12:50:07.77
IV.CRE.HHN. ML:1.0 0.00004460501999999999 0.16 AML other m 2023-03-09T12:50:04.80
IV.CRE.HHE. ML:0.8 0.00003028593 0.1856 AML other m 2023-03-09T12:50:05.12
IV.CAFI.HHN. ML:0.8 0.00002914973 0.1024 AML other m 2023-03-09T12:50:04.96
IV.CAFI.HHE. ML:0.9 0.000036999175 0.2624 AML other m 2023-03-09T12:50:05.94
IV.MPAG.EHE. ML:1.3 0.00007052539 0.0832 AML other m 2023-03-09T12:50:07.85
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