Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 16-03-2023 and time 01:32:17 (UTC) in region 5 km NE Città di Castello (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km NE Città di Castello (PG), on

  • 16-03-2023 01:32:17 (UTC)
  • 16-03-2023 02:32:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4910, 12.2860 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 5 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
Montone PG 15 1680 63354
Sansepolcro AR 15 15884 79238
Mercatello sul Metauro PU 18 1378 80616
Borgo Pace PU 19 606 81222
Anghiari AR 19 5638 86860

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Arezzo (99543 inhabitants)
43 Km N of Perugia (166134 inhabitants)
67 Km SW of Rimini (147750 inhabitants)
68 Km NW of Foligno (57155 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
71 Km SW of Fano (60888 inhabitants)
72 Km S of Cesena (96758 inhabitants)
79 Km E of Siena (53903 inhabitants)
84 Km S of Forlì (117913 inhabitants)
89 Km E of Firenze (382808 inhabitants)
94 Km E of Scandicci (50609 inhabitants)
94 Km SE of Faenza (58541 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 1.3 2023-03-16
01:32:17		 43.4912 12.2863 10 2024-03-01
17:18:10		 Bollettino Sismico Italiano INGV 117939741
Reviewed
Rev100 		ML 1.5 2023-03-16
01:32:17		 43.493 12.2907 10 2023-03-16
01:55:50		 Sala Sismica INGV-Roma 115412651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-16 01:32:17 ± 0.06
Latitude 43.4912 ± 0.0018
Longitude 12.2863 ± 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 117939741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 205
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25541
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 117939741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-01 08:24:00

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115412651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-16 01:55:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-03-16T01:32:26.67 0.3 undecidable manual S 61 27.1506 50 -0.37 68
IV.ATFO.HHZ. 2023-03-16T01:32:26.97 3.0 undecidable manual S 0.05 0
IV.ATLO.EHE. 2023-03-16T01:32:25.38 0.3 undecidable manual S 153 21.7671 115 -0.08 73
IV.ATBU.EHZ. 2023-03-16T01:32:25.45 0.3 undecidable manual S 95 21.1677 116 0.2 71
IV.PIEI.HHZ. 2023-03-16T01:32:25.22 0.6 undecidable manual S 76 20.5683 116 0.14 48
IV.ATVA.EHE. 2023-03-16T01:32:25.34 0.3 undecidable manual S 180 23.5542 113 -0.68 62
IV.PARC.HHZ. 2023-03-16T01:32:24.26 0.3 undecidable manual S 348 17.871 119 0.01 74
IV.TB01.DHZ.01 2023-03-16T01:32:24.00 0.3 undecidable manual S 135 17.0718 121 -0.01 74
IV.TB02.DHZ.01 2023-03-16T01:32:24.05 0.1 undecidable manual S 143 16.6722 121 0.17 96
IV.ATMI.HHZ. 2023-03-16T01:32:24.30 0.3 undecidable manual S 185 17.4714 120 0.18 72
IV.TSM2.DHN.01 2023-03-16T01:32:24.65 0.1 undecidable manual S 123 19.4694 117 -0.08 97
IV.CRE.HHZ. 2023-03-16T01:32:23.12 3.0 negative manual P -0.28 0
IV.TB03.DHZ.01 2023-03-16T01:32:23.19 0.1 undecidable manual S 135 14.0748 126 0.05 98
IV.SSP9.EHZ. 2023-03-16T01:32:23.68 0.3 undecidable manual S 306 15.4734 123 0.15 72
IV.ATPC.HHE. 2023-03-16T01:32:23.09 0.3 undecidable manual S 95 13.7751 126 0.04 74
IV.PE3.EHZ. 2023-03-16T01:32:23.06 0.3 undecidable manual P 37 28.3494 50 0.04 72
IV.ATVO.HHZ. 2023-03-16T01:32:23.50 0.3 undecidable manual S 141 15.4734 123 -0.03 74
IV.ATVA.EHE. 2023-03-16T01:32:22.54 0.3 undecidable manual P 180 23.5542 113 0.29 69
IV.NARO.HHZ. 2023-03-16T01:32:22.60 0.3 undecidable manual P 61 27.1506 50 -0.24 69
IV.APEC.HHZ. 2023-03-16T01:32:22.88 0.3 undecidable manual S 55 13.0758 128 0.03 74
IV.ATFO.HHZ. 2023-03-16T01:32:22.89 3.0 positive manual P 0.11 0
IV.TSM3.DH2.07 2023-03-16T01:32:22.84 0.1 undecidable manual S 155 13.1757 127 -0.05 99
IV.ATMI.HHZ. 2023-03-16T01:32:21.35 0.3 undecidable manual P 185 17.4714 120 0.19 71
IV.ATBU.EHZ. 2023-03-16T01:32:21.93 0.1 negative manual P 95 21.1677 116 0.12 96
IV.TSM2.DHN.01 2023-03-16T01:32:21.43 0.1 undecidable manual P 123 19.4694 117 -0.08 97
IV.ATMC.EHE. 2023-03-16T01:32:21.60 0.3 undecidable manual S 237 8.9799 138 -0.21 72
IV.PIEI.HHZ. 2023-03-16T01:32:21.66 0.1 undecidable manual P 76 20.5683 116 -0.05 97
IV.ATPI.EHZ. 2023-03-16T01:32:21.78 0.3 undecidable manual S 116 10.3785 134 -0.35 70
IV.ATLO.EHE. 2023-03-16T01:32:21.90 0.1 undecidable manual P 153 21.7671 115 -0.03 98
IV.SSP9.EHZ. 2023-03-16T01:32:21.12 0.3 undecidable manual P 306 15.4734 123 0.3 70
IV.TB01.DHZ.01 2023-03-16T01:32:21.15 0.1 undecidable manual P 135 17.0718 121 0.05 98
IV.TB02.DHZ.01 2023-03-16T01:32:21.19 0.1 undecidable manual P 143 16.6722 121 0.17 96
IV.PARC.HHZ. 2023-03-16T01:32:21.26 0.1 undecidable manual P 348 17.871 119 0.03 98
IV.CDCA.HNZ. 2023-03-16T01:32:21.17 0.1 undecidable manual S 230 5.5944 151 0.05 100
IV.APEC.HHZ. 2023-03-16T01:32:20.48 0.1 positive manual P 55 13.0758 128 0.05 99
IV.BADI.EHZ. 2023-03-16T01:32:20.28 0.3 undecidable manual S 301 3.996 159 -0.6 66
IV.TSM3.DH2.07 2023-03-16T01:32:20.51 0.1 undecidable manual P 155 13.1757 127 0.06 99
IV.ATVO.HHZ. 2023-03-16T01:32:20.91 0.1 negative manual P 141 15.4734 123 0.09 98
IV.TB03.DHZ.01 2023-03-16T01:32:20.65 0.1 undecidable manual P 135 14.0748 126 0.06 98
IV.ATPC.HHE. 2023-03-16T01:32:20.63 0.1 positive manual P 95 13.7751 126 0.09 98
IV.CDCA.HNZ. 2023-03-16T01:32:19.49 0.1 undecidable manual P 230 5.5944 151 0.06 100
IV.ATMC.EHE. 2023-03-16T01:32:19.89 0.1 positive manual P 237 8.9799 138 0.06 99
IV.BADI.EHZ. 2023-03-16T01:32:19.17 0.1 negative manual P 301 3.996 159 -0.12 99
IV.ATPI.EHZ. 2023-03-16T01:32:19.97 0.1 undecidable manual P 116 10.3785 134 -0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:1.3 0.000255 1.28 AML other m 2023-03-16T01:32:22.20
IV.ATPI.EHE. ML:1.1 0.000165 0.5 AML other m 2023-03-16T01:32:22.68
IV.APEC.HHN. ML:1.4 0.00027150000000000004 0.96 AML other m 2023-03-16T01:32:23.55
IV.APEC.HHE. ML:1.6 0.0003895 0.4 AML other m 2023-03-16T01:32:23.44
IV.ATVO.HHN. ML:1.5 0.0002805 0.18 AML other m 2023-03-16T01:32:23.90
IV.ATVO.HHE. ML:1.4 0.00023549999999999998 0.16 AML other m 2023-03-16T01:32:24.45
IV.BADI.EHE. ML:2.4 0.0039758255 0.12 AML other m 2023-03-16T01:32:20.45
IV.BADI.EHN. ML:2.0 0.0019560555 0.16 AML other m 2023-03-16T01:32:20.57
IV.ATPI.HNE. ML:1.0 0.0001224883455 0.0992 AML other m 2023-03-16T01:32:21.88
IV.ATPI.HNN. ML:1.2 0.00018932711 0.08 AML other m 2023-03-16T01:32:22.20
IV.APEC.HNN. ML:1.7 0.00047798626 0.0704 AML other m 2023-03-16T01:32:23.37
IV.APEC.HNE. ML:1.7 0.00050270045 0.86 AML other m 2023-03-16T01:32:22.99
IV.ATVO.HNE. ML:1.2 0.0001376049 0.4096 AML other m 2023-03-16T01:32:23.82
IV.SSP9.EHE. ML:0.6 0.000037117780000000004 0.1 AML other m 2023-03-16T01:32:24.11
IV.SSP9.EHN. ML:0.6 0.00003949965000000001 0.48 AML other m 2023-03-16T01:32:24.10
IV.PARC.HHN. ML:1.3 0.0001580731 0.32 AML other m 2023-03-16T01:32:24.57
IV.PARC.HHE. ML:1.5 0.00026947070000000003 0.14 AML other m 2023-03-16T01:32:24.72
IV.ATMI.HHE. ML:1.4 0.00021592085 0.26 AML other m 2023-03-16T01:32:24.32
IV.ATMI.HHN. ML:1.3 0.00016881849999999998 0.42 AML other m 2023-03-16T01:32:24.75
IV.PIEI.HNE. ML:1.2 0.00012027472000000002 0.3904 AML other m 2023-03-16T01:32:25.29
IV.PIEI.HNN. ML:1.1 0.000084791088 0.96 AML other m 2023-03-16T01:32:25.50
IV.PIEI.HHE. ML:1.3 0.000137687365 0.14 AML other m 2023-03-16T01:32:25.88
IV.PIEI.HHN. ML:1.1 0.00009055672500000001 0.1 AML other m 2023-03-16T01:32:25.88
IV.NARO.HHN. ML:1.0 0.000058412610000000005 0.06 AML other m 2023-03-16T01:32:26.98
IV.NARO.HHE. ML:1.0 0.00004849825 0.06 AML other m 2023-03-16T01:32:27.76
IV.ATFO.HNN. ML:1.4 0.00012380093999999998 1.04 AML other m 2023-03-16T01:32:26.75
IV.ATFO.HHN. ML:1.2 0.00007821130500000002 0.12 AML other m 2023-03-16T01:32:27.34
IV.ATFO.HHE. ML:1.4 0.00012745763999999997 0.22 AML other m 2023-03-16T01:32:27.21
IV.ATFO.HNE. ML:1.6 0.000198299155 1.3008 AML other m 2023-03-16T01:32:27.21
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