Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 22-03-2020 and time 11:03:03 (Italy) 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

  • 22-03-2020 10:03:03 (UTC)
  • 22-03-2020 11:03:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4860, 12.2990 at 9 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
Monte Santa Maria Tiberina PG 12 1183 41096
San Giustino PG 12 11297 52393
Pietralunga PG 12 2111 54504
Apecchio PU 13 1882 56386
Montone PG 14 1680 58066
Citerna PG 15 3531 61597
Monterchi AR 15 1757 63354
Sansepolcro AR 16 15884 79238
Mercatello sul Metauro PU 18 1378 80616
Borgo Pace PU 19 606 81222
Umbertide PG 20 16681 97903

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Arezzo (99543 inhabitants)
43 Km N of Perugia (166134 inhabitants)
67 Km NW of Foligno (57155 inhabitants)
68 Km SW of Rimini (147750 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
70 Km SW of Fano (60888 inhabitants)
73 Km S of Cesena (96758 inhabitants)
80 Km E of Siena (53903 inhabitants)
85 Km S of Forlì (117913 inhabitants)
90 Km E of Firenze (382808 inhabitants)
95 Km E of Scandicci (50609 inhabitants)
95 Km SE of Faenza (58541 inhabitants)
100 Km W of Ancona (100861 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 2020-03-22
10:03:03		 43.4857 12.2987 9 2020-07-18
21:08:30		 Bollettino Sismico Italiano INGV 77783761
Reviewed
Rev100 		ML 1.5 2020-03-22
10:03:03		 43.4853 12.3008 9 2020-03-22
10:08:58		 Sala Sismica INGV-Roma 77464151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 10:03:03 ± 0.05
Latitude 43.4857 ± 0.0027
Longitude 12.2987 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77783761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 256
Semi-minor axis of confidence ellipse (meter) 204
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.38941
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 77783761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-02 09:31:45

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 20
Type of magnitude ML
Reference to an origin 77464151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 10:08:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHE. 2020-03-22T10:03:18.82 0.6 undecidable manual S 140 43.2234 50 0.73 39
IV.MPAG.EHZ. 2020-03-22T10:03:17.31 0.6 undecidable manual S 67 40.3263 50 0 48
IV.SSFR.HHN. 2020-03-22T10:03:17.10 0.6 undecidable manual S 98 39.3273 50 0.06 47
IV.CPGN.EHZ. 2020-03-22T10:03:17.12 0.6 undecidable manual S 3 35.0427 50 1.23 31
IV.CRE.HHZ. 2020-03-22T10:03:15.11 0.6 undecidable manual S 298 31.5462 50 0.14 47
IV.FRON.EHZ. 2020-03-22T10:03:15.42 0.6 undecidable manual S 84 34.5432 50 -0.34 45
IV.ATTE.HHZ. 2020-03-22T10:03:14.40 0.3 undecidable manual S 172 32.2455 50 -0.75 59
IV.ATSC.EHE. 2020-03-22T10:03:14.99 0.6 undecidable manual S 102 31.9458 50 -0.09 48
IV.PE3.EHZ. 2020-03-22T10:03:14.66 0.3 undecidable manual S 34 28.2495 108 0.69 61
IV.MURB.HHE. 2020-03-22T10:03:14.92 0.6 undecidable manual S 144 30.6471 50 0.19 47
IV.ATFO.HHN. 2020-03-22T10:03:13.12 0.6 undecidable manual S 121 25.6521 110 0 49
IV.ATCC.EHE. 2020-03-22T10:03:12.10 0.6 undecidable manual P 140 43.2234 50 0.11 46
IT.UMBT.HGZ. 2020-03-22T10:03:12.17 0.6 undecidable manual S 170 20.4684 114 0.71 41
IV.NARO.HHZ. 2020-03-22T10:03:12.87 0.3 undecidable manual S 58 26.5512 109 -0.56 65
IV.SSFR.HHN. 2020-03-22T10:03:11.14 0.1 undecidable manual P 98 39.3273 50 -0.25 91
IV.ATBU.EHZ. 2020-03-22T10:03:11.51 0.6 undecidable manual S 93 20.1687 115 0.17 48
IV.CPGN.EHZ. 2020-03-22T10:03:11.20 0.1 negative manual P 3 35.0427 50 0.47 87
IV.PIEI.HHZ. 2020-03-22T10:03:11.42 0.6 undecidable manual S 74 19.7691 115 0.18 48
IV.ATVA.EHE. 2020-03-22T10:03:11.96 0.6 undecidable manual S 183 22.9548 112 -0.3 46
IV.MPAG.EHZ. 2020-03-22T10:03:11.24 1.0 negative manual P 67 40.3263 50 -0.3 22
IV.ATLO.EHE. 2020-03-22T10:03:11.49 0.6 undecidable manual S 155 20.868 114 -0.09 48
IV.FRON.EHZ. 2020-03-22T10:03:10.25 0.3 undecidable manual P 84 34.5432 50 -0.4 66
IV.PARC.HHZ. 2020-03-22T10:03:10.92 0.3 undecidable manual S 345 18.6702 116 0.02 74
IV.TB01.DHZ. 2020-03-22T10:03:10.23 0.6 undecidable manual S 136 15.9729 120 0.17 48
IT.SNS1.HNZ. 2020-03-22T10:03:10.96 0.6 undecidable manual S 306 16.6722 119 0.7 41
IV.MURB.HHE. 2020-03-22T10:03:10.12 0.3 undecidable manual P 144 30.6471 50 0.06 72
IV.ATTE.HHZ. 2020-03-22T10:03:10.03 0.3 undecidable manual P 172 32.2455 50 -0.26 69
IV.TB02.DHZ.01 2020-03-22T10:03:10.19 0.6 undecidable manual S 145 15.5733 121 0.24 47
IV.CRE.HHZ. 2020-03-22T10:03:10.09 1.0 undecidable manual P 298 31.5462 50 -0.1 24
IV.ATSC.EHE. 2020-03-22T10:03:10.14 0.3 undecidable manual P 102 31.9458 50 -0.11 71
IV.ATMI.HHZ. 2020-03-22T10:03:10.51 0.3 undecidable manual S 188 16.9719 118 0.14 72
IV.ATPC.HNE. 2020-03-22T10:03:09.20 0.3 undecidable manual S 92 12.7761 126 0.08 74
IV.PE3.EHZ. 2020-03-22T10:03:09.44 0.3 undecidable manual P 34 28.2495 108 -0.17 71
IV.ATVO.HHZ. 2020-03-22T10:03:09.87 0.3 undecidable manual S 143 14.3745 123 0.27 71
IV.SSP9.EHZ. 2020-03-22T10:03:09.91 0.3 undecidable manual S 306 16.6722 119 -0.35 69
IV.APEC.HHZ. 2020-03-22T10:03:09.07 0.6 undecidable manual S 50 12.6762 126 -0.03 50
IV.TB03.DHZ.01 2020-03-22T10:03:09.70 0.6 undecidable manual S 136 12.9759 125 0.51 45
IV.NARO.HHZ. 2020-03-22T10:03:08.88 0.1 negative manual P 58 26.5512 109 -0.42 89
IV.ATLO.EHE. 2020-03-22T10:03:08.10 0.6 undecidable manual P 155 20.868 114 -0.13 48
IV.ATFO.HHN. 2020-03-22T10:03:08.90 0.1 positive manual P 121 25.6521 110 -0.23 93
IV.ATBU.EHZ. 2020-03-22T10:03:08.12 0.1 negative manual P 93 20.1687 115 0.02 98
IV.ATMC.EHE. 2020-03-22T10:03:08.03 0.6 undecidable manual S 243 9.5793 134 -0.24 48
IV.ATVA.EHE. 2020-03-22T10:03:08.32 0.6 undecidable manual P 183 22.9548 112 -0.31 46
IT.UMBT.HGZ. 2020-03-22T10:03:08.47 0.1 undecidable manual P 170 20.4684 114 0.3 93
IV.SSP9.EHZ. 2020-03-22T10:03:07.54 0.6 undecidable manual P 306 16.6722 119 0.06 49
IV.TB02.DHZ.01 2020-03-22T10:03:07.51 0.3 undecidable manual P 145 15.5733 121 0.22 71
IV.ATMI.HHZ. 2020-03-22T10:03:07.61 0.1 positive manual P 188 16.9719 118 0.07 98
IV.ATPI.EHZ. 2020-03-22T10:03:07.86 0.6 undecidable manual S 115 9.1797 135 -0.32 47
IV.CDCA.HNZ. 2020-03-22T10:03:07.57 0.6 undecidable manual S 240 6.0939 147 0.08 50
IV.PARC.HHZ. 2020-03-22T10:03:07.70 0.3 undecidable manual P 345 18.6702 116 -0.14 72
IV.TB01.DHZ. 2020-03-22T10:03:07.35 0.6 undecidable manual P 136 15.9729 120 -0.01 50
IT.SNS1.HNZ. 2020-03-22T10:03:07.82 0.3 undecidable manual P 306 16.6722 119 0.35 69
IV.ATVO.HHZ. 2020-03-22T10:03:07.22 0.3 undecidable manual P 143 14.3745 123 0.13 73
IV.PIEI.HHZ. 2020-03-22T10:03:07.88 1.0 positive manual P 74 19.7691 115 -0.16 24
IV.ATMC.EHE. 2020-03-22T10:03:06.27 0.1 positive manual P 243 9.5793 134 -0.05 99
IV.BADI.EHZ. 2020-03-22T10:03:06.81 0.3 undecidable manual S 301 5.0949 151 -0.51 68
IV.APEC.HHZ. 2020-03-22T10:03:06.80 0.1 positive manual P 50 12.6762 126 0 100
IV.TB03.DHZ.01 2020-03-22T10:03:06.84 0.3 undecidable manual P 136 12.9759 125 -0.01 75
IV.ATPC.HNE. 2020-03-22T10:03:06.91 0.1 negative manual P 92 12.7761 126 0.09 98
IV.ATPI.EHZ. 2020-03-22T10:03:06.20 0.1 positive manual P 115 9.1797 135 -0.07 99
IV.BADI.EHZ. 2020-03-22T10:03:05.60 0.1 negative manual P 301 5.0949 151 -0.17 98
IV.CDCA.HNZ. 2020-03-22T10:03:05.81 1.0 undecidable manual P 240 6.0939 147 -0.06 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHN. ML:1.6 0.00038250000000000003 0.56 AML other m 2020-03-22T10:03:14.66
IV.ATPI.HNE. ML:1.5 0.000424 1.84 AML other m 2020-03-22T10:03:07.96
IV.ATPI.EHE. ML:1.5 0.00042500000000000003 1.82 AML other m 2020-03-22T10:03:07.96
IV.ATPI.HNN. ML:1.4 0.00038500000000000003 0.6 AML other m 2020-03-22T10:03:08.04
IV.ATPI.EHN. ML:1.4 0.000348 1.78 AML other m 2020-03-22T10:03:08.04
IV.ATVO.HHN. ML:1.6 0.000433 0.36 AML other m 2020-03-22T10:03:10.56
IV.ATVO.HHE. ML:1.7 0.0005960000000000001 0.14 AML other m 2020-03-22T10:03:10.45
IV.ATMI.HHE. ML:1.7 0.000442 0.3 AML other m 2020-03-22T10:03:10.78
IV.PARC.HHE. ML:1.6 0.00032599999999999996 1.3 AML other m 2020-03-22T10:03:11.21
IV.PARC.HHN. ML:1.5 0.00026949999999999994 0.14 AML other m 2020-03-22T10:03:11.22
IV.PIEI.HHN. ML:1.5 0.00023300000000000003 0.66 AML other m 2020-03-22T10:03:11.75
IV.PIEI.HHE. ML:1.7 0.0003804999999999999 0.2 AML other m 2020-03-22T10:03:11.84
IV.NARO.HHN. ML:1.5 0.000167 0.2 AML other m 2020-03-22T10:03:13.28
IV.NARO.HHE. ML:1.5 0.0001855 0.44 AML other m 2020-03-22T10:03:14.30
IV.ATTE.HHE. ML:1.5 0.00013949999999999998 0.94 AML other m 2020-03-22T10:03:15.16
IV.ATTE.HHN. ML:1.6 0.000167 0.34 AML other m 2020-03-22T10:03:15.00
IV.FRON.EHE. ML:1.3 0.0000816 0.12 AML other m 2020-03-22T10:03:15.75
IV.FRON.EHN. ML:1.6 0.00015745 0.42 AML other m 2020-03-22T10:03:16.76
IV.MPAG.EHE. ML:1.5 0.00010815 1.2 AML other m 2020-03-22T10:03:17.90
IV.MPAG.EHN. ML:1.5 0.0001041 0.9 AML other m 2020-03-22T10:03:17.86
IV.BADI.EHN. ML:0.0 0.0061600000000000005 0.1 AML other m 2020-03-22T10:03:06.93
IV.SSP9.EHN. ML:1.0 0.000088266125 1.3184 AML other m 2020-03-22T10:03:10.20
IV.PE3.EHE. ML:2.0 0.0004995996000000001 1.7984 AML other m 2020-03-22T10:03:14.61
IV.PE3.EHN. ML:1.9 0.00044374365 0.32 AML other m 2020-03-22T10:03:14.93
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