Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 29-07-2021 and time 15:30:16 (Italy) in region 4 km E San Giustino (PG)

A magnitude ML 2.1 earthquake occured in region: 4 km E San Giustino (PG), on

  • 29-07-2021 13:30:16 (UTC)
  • 29-07-2021 15:30:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5330, 12.2280 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
San Giustino PG 5 11297 11297
Sansepolcro AR 8 15884 27181
Città di Castello PG 8 39913 67094
Citerna PG 10 3531 70625
Monterchi AR 11 1757 72382
Monte Santa Maria Tiberina PG 12 1183 73565
Anghiari AR 14 5638 79203
Borgo Pace PU 15 606 79809
Mercatello sul Metauro PU 16 1378 81187
Apecchio PU 16 1882 83069
Pietralunga PG 20 2111 85180
Badia Tedalda AR 20 1087 86267

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Arezzo (99543 inhabitants)
49 Km N of Perugia (166134 inhabitants)
65 Km SW of Rimini (147750 inhabitants)
67 Km S of Cesena (96758 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
73 Km W of Fano (60888 inhabitants)
75 Km NW of Foligno (57155 inhabitants)
76 Km E of Siena (53903 inhabitants)
78 Km S of Forlì (117913 inhabitants)
83 Km E of Firenze (382808 inhabitants)
88 Km E of Scandicci (50609 inhabitants)
88 Km SE of Faenza (58541 inhabitants)
98 Km S of Ravenna (159116 inhabitants)
99 Km E of Prato (191150 inhabitants)
100 Km SE of Imola (69797 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 2.1 2021-07-29
13:30:16		 43.5332 12.2285 9 2021-12-29
11:12:30		 Bollettino Sismico Italiano INGV 95382551
Reviewed
Rev100 		ML 2.1 2021-07-29
13:30:16		 43.531 12.2212 10 2021-07-29
13:43:08		 Sala Sismica INGV-Roma 93356721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-29 13:30:16 ± 0.04
Latitude 43.5332 ± 0.0027
Longitude 12.2285 ± 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 95382551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 342
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 70
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94069
Number of stations at which the event was observed 59
Number of stations from which data was used for origin computation 50
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 74
Type of magnitude ML
Reference to an origin 95382551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-16 16:54:48

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 93356721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-29 13:43:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2021-07-29T13:32:15.70 3.0 undecidable manual Sg 17.07 0
IX.MNT3.EHZ.02 2021-07-29T13:32:04.60 3.0 undecidable manual Sg 14.48 0
ST.RONC.EHZ. 2021-07-29T13:31:33.01 3.0 undecidable manual Sn -0.05 0
IV.MAGA.HHZ. 2021-07-29T13:31:26.51 3.0 undecidable manual Sn -2.03 0
IV.CADC.HNZ. 2021-07-29T13:31:24.87 3.0 undecidable manual Sn -1.82 0
IV.MIGL.HHZ. 2021-07-29T13:31:22.30 3.0 undecidable manual Pn 0.81 0
GU.MGRO.HHZ. 2021-07-29T13:31:16.07 3.0 undecidable manual Pg 9.01 0
IV.CDRU.HNZ. 2021-07-29T13:31:14.21 3.0 undecidable manual Pn -0.66 0
IV.VVLD.HHZ. 2021-07-29T13:31:13.52 3.0 undecidable manual Sn -1.42 0
IV.CRMI.HHZ. 2021-07-29T13:30:35.53 0.3 undecidable manual P 287 104.4177 50 0.87 49
IV.SEI.HHZ. 2021-07-29T13:30:33.22 0.6 undecidable manual P 310 90.5427 50 0.69 36
IV.CSP1.EHZ. 2021-07-29T13:30:33.05 0.3 undecidable manual P 122 92.7405 50 0.17 62
IV.ARCI.HHZ. 2021-07-29T13:30:33.95 0.3 undecidable manual P 219 97.0251 50 0.41 59
IV.FDMO.HHZ. 2021-07-29T13:30:32.28 0.3 undecidable manual P 128 88.5447 50 0.05 65
TV.SF04.EHZ. 2021-07-29T13:30:32.98 0.3 undecidable manual P 211 89.9433 50 0.53 58
IV.BOSL.HHZ. 2021-07-29T13:30:31.32 0.3 undecidable manual P 303 81.4518 50 0.19 64
IV.SACS.HHZ. 2021-07-29T13:30:31.28 0.3 undecidable manual P 199 80.1642 50 0.35 62
IV.OSSC.HHZ. 2021-07-29T13:30:31.49 0.3 undecidable manual P 270 79.0653 50 0.73 55
IV.MOMA.HHZ. 2021-07-29T13:30:31.93 0.3 undecidable manual P 161 85.4478 50 0.17 63
IV.ATSC.EHZ. 2021-07-29T13:30:30.42 0.3 undecidable manual S 108 38.8278 50 0.26 68
IV.CING.HHZ. 2021-07-29T13:30:30.86 0.6 undecidable manual P 102 79.7646 50 -0.02 44
IV.MML1.EHZ. 2021-07-29T13:30:30.29 0.3 undecidable manual P 128 75.9684 50 0.01 67
IV.LMD.HHZ. 2021-07-29T13:30:29.66 0.3 undecidable manual P 326 73.371 50 -0.23 64
IV.MGAB.HHZ. 2021-07-29T13:30:29.37 0.1 undecidable manual P 188 69.4749 50 0.09 89
IV.EL6.EHZ. 2021-07-29T13:30:29.97 0.3 undecidable manual P 108 73.8705 50 0 67
IV.RUFI.EHZ. 2021-07-29T13:30:28.76 0.3 undecidable manual P 301 66.8775 50 -0.12 66
IV.ASSB.HHZ. 2021-07-29T13:30:28.41 0.3 undecidable manual P 147 64.5909 50 -0.12 67
IV.ATBU.EHZ. 2021-07-29T13:30:27.07 0.3 undecidable manual S 104 26.5512 109 0.44 67
IT.UMBT.HGZ. 2021-07-29T13:30:27.26 0.3 undecidable manual S 160 27.0507 109 0.45 67
IV.ATVA.EHZ. 2021-07-29T13:30:26.57 0.3 undecidable manual S 171 28.6491 108 -0.75 59
IV.SFI.EHZ. 2021-07-29T13:30:26.07 0.3 undecidable manual P 324 51.3153 50 -0.42 64
IV.CRE.HHZ. 2021-07-29T13:30:26.06 0.3 undecidable manual S 293 24.1536 111 0.18 71
IV.ATCC.EHZ. 2021-07-29T13:30:26.39 0.3 undecidable manual P 139 50.9157 50 -0.03 69
IV.ATLO.HNZ. 2021-07-29T13:30:26.85 0.3 undecidable manual S 149 28.1496 108 -0.32 68
IV.FOSV.EHZ. 2021-07-29T13:30:26.22 0.3 undecidable manual P 121 50.4162 50 -0.13 68
IV.PIEI.HHZ. 2021-07-29T13:30:26.10 0.3 undecidable manual S 89 24.6531 110 0.08 72
IV.MPAG.EHZ. 2021-07-29T13:30:25.10 0.3 undecidable manual P 76 44.0226 50 -0.26 67
IV.TB03.DHZ.01 2021-07-29T13:30:25.08 0.3 undecidable manual S 135 20.6682 114 0.33 69
IV.TB01.DHZ.01 2021-07-29T13:30:25.85 0.3 undecidable manual S 135 23.6541 111 0.14 71
IV.SSFR.HHZ. 2021-07-29T13:30:25.29 0.3 undecidable manual P 103 45.8208 50 -0.36 66
IV.TB02.DHZ.01 2021-07-29T13:30:25.90 0.3 undecidable manual S 141 23.1546 111 0.35 68
IV.ATMI.HHZ. 2021-07-29T13:30:25.18 0.3 undecidable manual S 172 22.2555 112 -0.08 72
IV.ASQU.HHZ. 2021-07-29T13:30:25.28 0.3 undecidable manual P 310 45.8208 50 -0.35 66
IV.ATVO.HHZ. 2021-07-29T13:30:25.33 0.3 undecidable manual S 139 22.0668 112 0.14 72
IV.MURB.HHZ. 2021-07-29T13:30:24.24 0.3 undecidable manual P 141 38.3283 50 -0.25 68
IV.ATPC.HNZ. 2021-07-29T13:30:24.65 0.3 undecidable manual S 107 19.2696 115 0.34 69
IV.ATSC.EHZ. 2021-07-29T13:30:24.18 0.3 undecidable manual P 108 38.8278 50 -0.38 66
IV.FRON.EHZ. 2021-07-29T13:30:24.34 0.3 undecidable manual P 92 40.0266 50 -0.41 65
IV.CAFI.HHZ. 2021-07-29T13:30:23.10 0.1 undecidable manual P 223 30.9468 50 -0.25 92
IV.CPGN.EHZ. 2021-07-29T13:30:23.59 0.3 undecidable manual P 14 30.6471 50 0.29 68
IV.APEC.HHZ. 2021-07-29T13:30:23.49 0.3 undecidable manual S 80 15.6732 120 0.3 70
IV.ATFO.HHZ. 2021-07-29T13:30:23.33 0.3 undecidable manual P 124 33.2445 50 -0.37 67
IT.UMBT.HGZ. 2021-07-29T13:30:23.01 0.3 undecidable manual P 160 27.0507 109 0.38 67
IV.ATPI.EHZ. 2021-07-29T13:30:23.69 0.3 undecidable manual S 123 16.6722 119 0.18 72
IV.ATLO.HNZ. 2021-07-29T13:30:22.56 0.1 undecidable manual P 149 28.1496 108 -0.27 92
IV.PIEI.HHZ. 2021-07-29T13:30:22.06 0.3 undecidable manual P 89 24.6531 110 -0.11 72
IV.NARO.HHZ. 2021-07-29T13:30:22.63 0.3 undecidable manual P 73 29.5482 107 -0.48 66
IV.ATVA.EHZ. 2021-07-29T13:30:22.44 0.3 undecidable manual P 171 28.6491 108 -0.48 66
IV.ATBU.EHZ. 2021-07-29T13:30:22.48 0.1 undecidable manual P 104 26.5512 109 -0.04 97
IV.TB02.DHZ.01 2021-07-29T13:30:21.91 0.1 undecidable manual P 141 23.1546 111 0.01 98
IV.ATMI.HHZ. 2021-07-29T13:30:21.65 0.1 undecidable manual P 172 22.2555 112 -0.08 97
IT.SNS1.HNZ. 2021-07-29T13:30:21.71 0.3 undecidable manual S 300 8.9799 135 0.36 70
IV.ATVO.HHZ. 2021-07-29T13:30:21.67 0.1 undecidable manual P 139 22.0668 112 -0.01 98
IV.ATMC.EHZ. 2021-07-29T13:30:21.39 0.3 undecidable manual S 197 9.9789 132 -0.2 72
IV.SAIV.HNN. 2021-07-29T13:30:21.38 0.3 undecidable manual P 45 20.7681 114 -0.08 73
IV.ATPC.HNZ. 2021-07-29T13:30:21.21 0.1 undecidable manual P 107 19.2696 115 0.03 98
IV.CRE.HHZ. 2021-07-29T13:30:21.78 0.1 undecidable manual P 293 24.1536 111 -0.3 92
IV.SSP9.EHZ. 2021-07-29T13:30:21.29 0.3 undecidable manual S 300 8.9799 135 -0.06 75
IV.TB03.DHZ.01 2021-07-29T13:30:21.43 0.1 undecidable manual P 135 20.6682 114 0 98
IV.TB01.DHZ.01 2021-07-29T13:30:21.88 0.3 undecidable manual P 135 23.6541 111 -0.11 72
IV.CDCA.HNZ. 2021-07-29T13:30:21.36 0.3 undecidable manual S 177 8.2806 138 0.18 73
IV.APEC.HHZ. 2021-07-29T13:30:20.68 0.1 undecidable manual P 80 15.6732 120 0.15 96
IV.ATPI.EHZ. 2021-07-29T13:30:20.72 0.1 undecidable manual P 123 16.6722 119 0 99
IV.SSP9.EHZ. 2021-07-29T13:30:19.42 0.1 undecidable manual P 300 8.9799 135 -0.05 100
IV.CDCA.HNZ. 2021-07-29T13:30:19.45 0.1 undecidable manual P 177 8.2806 138 0.08 99
IV.BADI.EHZ. 2021-07-29T13:30:19.56 0.3 undecidable manual S 154 2.8971 162 -0.66 65
IT.SNS1.HNZ. 2021-07-29T13:30:19.49 0.1 undecidable manual P 300 8.9799 135 0.02 100
IV.ATMC.EHZ. 2021-07-29T13:30:19.63 0.1 undecidable manual P 197 9.9789 132 0.01 100
IV.BADI.EHZ. 2021-07-29T13:30:18.60 0.1 undecidable manual P 154 2.8971 162 -0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHE. ML:1.9 0.001265 0.28 AML other m 2021-07-29T13:30:21.59
IV.SSP9.EHN. ML:2.0 0.00148 0.38 AML other m 2021-07-29T13:30:21.65
IV.APEC.HHN. ML:3.1 0.01309 0.24 AML other m 2021-07-29T13:30:23.74
IV.ATPI.HNE. ML:2.1 0.001215 1.1 AML other m 2021-07-29T13:30:23.27
IV.ATPI.EHE. ML:2.1 0.0011819999999999999 1.1 AML other m 2021-07-29T13:30:23.27
IV.APEC.HHE. ML:2.8 0.005515000000000001 1.68 AML other m 2021-07-29T13:30:25.09
IV.ATMI.HHN. ML:2.4 0.001905 0.94 AML other m 2021-07-29T13:30:25.93
IV.ATMI.HHE. ML:2.5 0.002085 0.38 AML other m 2021-07-29T13:30:25.46
IV.ATVO.HHN. ML:2.3 0.001315 0.7 AML other m 2021-07-29T13:30:26.04
IV.ATVO.HHE. ML:2.4 0.0018900000000000002 1.4 AML other m 2021-07-29T13:30:26.07
IV.CRE.HHE. ML:1.8 0.00038749999999999993 0.26 AML other m 2021-07-29T13:30:26.19
IV.ATPI.HNN. ML:2.1 0.0010500000000000002 0.44 AML other m 2021-07-29T13:30:26.60
IV.ATPI.EHN. ML:2.0 0.0010350000000000001 0.44 AML other m 2021-07-29T13:30:26.60
IV.PIEI.HHE. ML:2.7 0.002915 0.14 AML other m 2021-07-29T13:30:26.51
IV.PIEI.HHN. ML:2.4 0.001545 0.14 AML other m 2021-07-29T13:30:26.83
IV.CRE.HHN. ML:1.9 0.0004685 1.56 AML other m 2021-07-29T13:30:27.16
IV.CAFI.HHE. ML:1.9 0.000398 0.5 AML other m 2021-07-29T13:30:28.51
IV.CPGN.EHN. ML:2.1 0.000608 1.16 AML other m 2021-07-29T13:30:30.19
IV.ATFO.HHE. ML:2.2 0.000732 0.48 AML other m 2021-07-29T13:30:30.28
IV.FRON.EHN. ML:2.6 0.001305 1.34 AML other m 2021-07-29T13:30:30.81
IV.ATFO.HHN. ML:2.2 0.0006785 0.3 AML other m 2021-07-29T13:30:30.91
IV.CPGN.EHE. ML:2.2 0.0007205 1.3 AML other m 2021-07-29T13:30:30.99
IV.MURB.HNN. ML:2.5 0.001093 0.24 AML other m 2021-07-29T13:30:31.18
IV.MURB.HHN. ML:2.5 0.001295 0.2 AML other m 2021-07-29T13:30:31.18
IV.FRON.EHE. ML:2.1 0.000426 0.94 AML other m 2021-07-29T13:30:31.80
IV.CAFI.HHN. ML:1.8 0.0002785 0.18 AML other m 2021-07-29T13:30:31.69
IV.MPAG.EHN. ML:2.1 0.000383 1.14 AML other m 2021-07-29T13:30:32.18
IV.MPAG.EHE. ML:2.0 0.00030100000000000005 0.82 AML other m 2021-07-29T13:30:32.09
IV.MURB.HNE. ML:2.7 0.0017200000000000002 0.26 AML other m 2021-07-29T13:30:32.51
IV.MURB.HHE. ML:2.7 0.0017900000000000001 0.26 AML other m 2021-07-29T13:30:32.51
IV.SSFR.HNE. ML:2.5 0.000989 0.68 AML other m 2021-07-29T13:30:33.10
IV.ASQU.HHN. ML:1.6 0.000131 0.36 AML other m 2021-07-29T13:30:33.18
IV.SSFR.HNN. ML:2.6 0.001345 0.2 AML other m 2021-07-29T13:30:33.46
IV.SSFR.HHN. ML:2.6 0.001195 0.18 AML other m 2021-07-29T13:30:33.46
IV.SFI.EHE. ML:1.9 0.00019250000000000002 1.8 AML other m 2021-07-29T13:30:33.05
IV.SFI.EHN. ML:1.7 0.00011899999999999999 1.52 AML other m 2021-07-29T13:30:33.96
IV.ASQU.HHE. ML:1.6 0.000129 0.26 AML other m 2021-07-29T13:30:34.39
IV.SSFR.HHE. ML:2.4 0.0007905 1.08 AML other m 2021-07-29T13:30:34.93
IV.FOSV.EHE. ML:1.7 0.000123 0.44 AML other m 2021-07-29T13:30:35.32
IV.ATCC.EHN. ML:2.2 0.000379 0.8 AML other m 2021-07-29T13:30:37.41
IV.ASSB.HHN. ML:2.0 0.00016849999999999998 0.34 AML other m 2021-07-29T13:30:39.12
IV.ASSB.HHE. ML:1.8 0.0001265 0.18 AML other m 2021-07-29T13:30:39.57
IV.MGAB.HHE. ML:2.4 0.0004505 1.6 AML other m 2021-07-29T13:30:40.15
IV.MGAB.HNE. ML:2.4 0.00042 0.38 AML other m 2021-07-29T13:30:41.15
IV.OSSC.HHN. ML:1.8 0.0000909 0.5 AML other m 2021-07-29T13:30:42.19
IV.LMD.HHE. ML:1.9 0.00011999999999999999 1.08 AML other m 2021-07-29T13:30:42.27
IV.ATCC.EHE. ML:2.2 0.000375 0.64 AML other m 2021-07-29T13:30:42.01
IV.LMD.HHN. ML:1.8 0.0001095 0.22 AML other m 2021-07-29T13:30:42.93
IV.EL6.EHE. ML:2.0 0.00017199999999999998 1.42 AML other m 2021-07-29T13:30:42.89
IV.MGAB.HNN. ML:2.5 0.0005285 0.46 AML other m 2021-07-29T13:30:43.08
IV.MGAB.HHN. ML:2.5 0.000528 0.46 AML other m 2021-07-29T13:30:43.08
IV.CING.HHN. ML:1.9 0.000118 0.24 AML other m 2021-07-29T13:30:43.22
IV.OSSC.HHE. ML:1.8 0.0001014 1 AML other m 2021-07-29T13:30:44.31
IV.SACS.HHN. ML:2.0 0.000128 0.48 AML other m 2021-07-29T13:30:44.23
IV.EL6.EHN. ML:2.2 0.00023899999999999998 0.44 AML other m 2021-07-29T13:30:44.81
IV.SACS.HHE. ML:1.8 0.0000844 0.52 AML other m 2021-07-29T13:30:45.42
IV.MOMA.HHN. ML:2.0 0.000135 0.42 AML other m 2021-07-29T13:30:45.97
IV.FOSV.EHN. ML:1.6 0.00010965 0.5 AML other m 2021-07-29T13:30:46.39
IV.CING.HHE. ML:1.6 0.00006165 1.02 AML other m 2021-07-29T13:30:46.20
IV.MOMA.HHE. ML:2.3 0.000228 0.44 AML other m 2021-07-29T13:30:47.48
IV.MML1.EHE. ML:1.8 0.0000946 0.44 AML other m 2021-07-29T13:30:47.89
IV.FDMO.HHN. ML:1.7 0.00005435 0.22 AML other m 2021-07-29T13:30:47.72
IV.MML1.EHN. ML:1.8 0.00009204999999999999 1.5 AML other m 2021-07-29T13:30:47.98
IV.CSP1.EHE. ML:2.2 0.00015755 0.28 AML other m 2021-07-29T13:30:48.15
IV.BOSL.HHE. ML:1.6 0.00005415 0.42 AML other m 2021-07-29T13:30:48.15
IV.SEI.HHN. ML:2.1 0.0001585 0.44 AML other m 2021-07-29T13:30:50.64
IV.BOSL.HHN. ML:1.7 0.0000693 0.54 AML other m 2021-07-29T13:30:50.70
IV.FDMO.HHE. ML:1.7 0.000057749999999999994 1.64 AML other m 2021-07-29T13:30:51.90
IV.CRMI.HHE. ML:1.4 0.000027249999999999995 0.64 AML other m 2021-07-29T13:30:51.55
IV.CSP1.EHN. ML:2.3 0.00023 0.58 AML other m 2021-07-29T13:30:51.34
IV.CRMI.HHN. ML:1.6 0.0000424 0.56 AML other m 2021-07-29T13:30:52.70
IV.ARCI.HHE. ML:1.5 0.00003335 0.44 AML other m 2021-07-29T13:30:54.42
IV.ARCI.HHN. ML:1.6 0.0000451 1.12 AML other m 2021-07-29T13:30:54.63
IV.SEI.HHE. ML:1.9 0.00009675000000000001 0.36 AML other m 2021-07-29T13:30:57.51
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
Waveforms Seismic signals in miniseed + resp format Download