Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 01-09-2020 and time 09:55:01 (Italy) in region 3 km S Pietralunga (PG)

A magnitude ML 2.1 earthquake occured in region: 3 km S Pietralunga (PG), on

  • 01-09-2020 07:55:01 (UTC)
  • 01-09-2020 09:55:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4180, 12.4360 at 8 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
Pietralunga PG 3 2111 2111
Montone PG 11 1680 3791
Gubbio PG 14 32216 36007
Umbertide PG 15 16681 52688
Apecchio PU 16 1882 54570
Città di Castello PG 17 39913 94483
Cantiano PU 17 2245 96728
Scheggia e Pascelupo PG 19 1393 98121
Piobbico PU 20 2029 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
67 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
90 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
97 Km N of Terni (111501 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 2020-09-01
07:55:01		 43.4175 12.4363 8 2021-02-26
14:55:55		 Bollettino Sismico Italiano INGV 82953911
Reviewed
Rev100 		ML 2.1 2020-09-01
07:55:01		 43.4245 12.4457 8 2020-09-01
08:01:53		 Sala Sismica INGV-Roma 82524581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-01 07:55:01 ± 0.04
Latitude 43.4175 ± 0.0018
Longitude 12.4363 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82953911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 243
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 35
Number of associated phases, regardless of their use for origin computation 71
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) 0.64751
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 82524581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-01 08:01:53

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 57
Type of magnitude ML
Reference to an origin 82953911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-16 12:29:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2020-09-01T07:55:21.36 0.6 undecidable manual S 140 59.3961 50 0.39 42
IV.MML1.HNE. 2020-09-01T07:55:20.39 0.6 undecidable manual S 128 54.8007 50 0.64 39
IV.EL6.EHZ. 2020-09-01T07:55:20.05 0.6 undecidable manual S 100 54.501 50 0.38 43
IV.ASSB.HHZ. 2020-09-01T07:55:17.15 0.3 undecidable manual S 157 45.3213 50 -0.05 69
IV.SNTG.HHZ. 2020-09-01T07:55:16.96 0.6 undecidable manual S 114 44.5221 50 -0.03 47
IV.CRE.HHZ. 2020-09-01T07:55:16.93 0.6 undecidable manual S 300 44.9217 50 -0.18 45
IV.ARVD.HHZ. 2020-09-01T07:55:16.03 0.6 undecidable manual S 77 41.625 50 -0.2 45
IV.CAFI.HHZ. 2020-09-01T07:55:15.25 0.6 undecidable manual S 256 39.1275 50 -0.31 44
IV.ASQU.HHZ. 2020-09-01T07:55:14.19 0.3 undecidable manual P 309 66.8775 50 0.13 66
IV.CSP1.EHZ. 2020-09-01T07:55:14.89 0.3 undecidable manual P 120 71.8725 50 0.07 66
IV.FDMO.HHZ. 2020-09-01T07:55:14.05 0.1 undecidable manual P 129 67.4769 50 -0.1 88
IV.MOMA.HHZ. 2020-09-01T07:55:14.12 0.6 undecidable manual P 171 68.8755 50 -0.25 43
IV.MPAG.EHZ. 2020-09-01T07:55:13.94 0.6 undecidable manual S 48 35.0427 102 -0.4 44
IV.PARC.HHZ. 2020-09-01T07:55:13.10 0.3 undecidable manual S 328 30.1476 104 0.41 66
IV.MCIF.HNZ. 2020-09-01T07:55:13.18 3.0 undecidable manual Pg 0
IV.ATCC.EHZ. 2020-09-01T07:55:13.39 0.3 undecidable manual S 147 30.5472 104 0.56 63
IV.MGAB.HHZ. 2020-09-01T07:55:13.21 0.1 positive manual P 205 61.8936 50 -0.07 90
IV.PE3.EHZ. 2020-09-01T07:55:13.47 0.6 undecidable manual S 9 31.2465 104 0.41 44
IV.FOSV.EHZ. 2020-09-01T07:55:12.57 0.3 undecidable manual S 117 29.5482 105 0.1 71
IV.MML1.HNE. 2020-09-01T07:55:12.07 0.3 undecidable manual P 128 54.8007 50 -0.13 67
IV.CESI.HHZ. 2020-09-01T07:55:12.65 0.3 undecidable manual P 140 59.3961 50 -0.25 65
IV.COR1.EHZ. 2020-09-01T07:55:12.23 0.3 undecidable manual P 62 51.2154 50 0.59 60
IV.FRON.EHZ. 2020-09-01T07:55:11.11 0.3 undecidable manual S 64 25.8519 106 -0.13 71
IV.CPGN.EHZ. 2020-09-01T07:55:11.00 0.1 undecidable manual P 348 43.5231 50 0.54 83
IV.SSFR.HHZ. 2020-09-01T07:55:11.82 0.3 undecidable manual S 86 27.9498 105 -0.12 71
IV.EL6.EHZ. 2020-09-01T07:55:11.92 0.3 undecidable manual P 100 54.501 50 -0.24 66
IV.ASSB.HHZ. 2020-09-01T07:55:10.20 0.1 undecidable manual P 157 45.3213 50 -0.53 83
IV.SNTG.HHZ. 2020-09-01T07:55:10.27 0.3 undecidable manual P 114 44.5221 50 -0.34 66
IV.CRE.HHZ. 2020-09-01T07:55:10.30 0.3 undecidable manual P 300 44.9217 50 -0.38 65
IV.ARVD.HHZ. 2020-09-01T07:55:09.75 0.1 undecidable manual P 77 41.625 50 -0.42 86
IV.ATMC.EHE. 2020-09-01T07:55:09.60 0.3 undecidable manual S 280 19.869 111 0.31 69
IV.BADI.EHZ. 2020-09-01T07:55:09.21 0.3 undecidable manual S 304 18.5703 112 0.36 68
IV.MURB.HHZ. 2020-09-01T07:55:09.38 0.6 undecidable manual S 157 18.5703 112 0.52 44
IV.CAFI.HHZ. 2020-09-01T07:55:09.46 0.1 undecidable manual P 256 39.1275 50 -0.32 89
IV.ATSC.EHE. 2020-09-01T07:55:09.66 0.3 undecidable manual S 88 20.1687 111 0.29 69
IV.ATMI.HHZ. 2020-09-01T07:55:08.71 0.6 undecidable manual S 236 16.3725 115 0.53 44
IV.ATCC.EHZ. 2020-09-01T07:55:08.11 0.1 undecidable manual P 147 30.5472 104 -0.1 94
IV.PE3.EHZ. 2020-09-01T07:55:08.33 0.6 undecidable manual P 9 31.2465 104 -0.01 48
IV.FOSV.EHZ. 2020-09-01T07:55:08.12 0.1 undecidable manual P 117 29.5482 105 0.12 94
IV.MPAG.EHZ. 2020-09-01T07:55:08.63 0.1 positive manual P 48 35.0427 102 -0.44 87
IV.SSP9.EHZ. 2020-09-01T07:55:08.23 0.3 undecidable manual P 305 30.0477 104 0.12 70
IV.APEC.HHZ. 2020-09-01T07:55:08.26 0.3 undecidable manual S 355 15.6732 116 0.31 69
IT.UMBT.HGZ. 2020-09-01T07:55:07.75 1.0 undecidable manual S 211 14.6742 118 0.13 24
IV.FRON.EHZ. 2020-09-01T07:55:07.06 0.1 positive manual P 64 25.8519 106 -0.23 93
IV.ATFO.HHZ. 2020-09-01T07:55:07.13 0.3 undecidable manual S 117 12.2766 122 0.22 71
IV.SSFR.HHZ. 2020-09-01T07:55:07.76 0.1 undecidable manual P 86 27.9498 105 0.06 95
IV.PARC.HHZ. 2020-09-01T07:55:07.94 0.1 undecidable manual P 328 30.1476 104 -0.19 93
IV.ATBU.EHZ. 2020-09-01T07:55:06.97 0.3 undecidable manual S 54 11.0778 125 0.41 69
IV.MURB.HHZ. 2020-09-01T07:55:06.07 0.1 positive manual P 157 18.5703 112 0.16 95
IV.ATSC.EHE. 2020-09-01T07:55:06.24 0.1 undecidable manual P 88 20.1687 111 0.03 97
IV.ATLO.EHE. 2020-09-01T07:55:06.83 0.3 undecidable manual S 192 11.5773 123 0.12 73
IV.ATMC.EHE. 2020-09-01T07:55:06.21 0.1 positive manual P 280 19.869 111 0.05 97
IV.BADI.EHZ. 2020-09-01T07:55:06.04 0.1 positive manual P 304 18.5703 112 0.13 96
IV.APEC.HHZ. 2020-09-01T07:55:05.47 0.1 positive manual P 355 15.6732 116 0.08 97
IV.ATMI.HHZ. 2020-09-01T07:55:05.72 0.1 undecidable manual P 236 16.3725 115 0.2 95
IV.TB02.DHZ.01 2020-09-01T07:55:05.22 0.3 undecidable manual S 203 5.6943 143 0.03 75
IT.UMBT.HGZ. 2020-09-01T07:55:05.73 0.3 undecidable manual P 211 14.6742 118 0.53 66
IV.ATPC.HHE. 2020-09-01T07:55:05.36 0.3 undecidable manual S 13 7.1928 137 -0.18 72
IV.ATPC.HHE. 2020-09-01T07:55:04.00 0.1 positive manual P 13 7.1928 137 0 100
IV.ATPI.HNZ. 2020-09-01T07:55:04.46 0.3 undecidable manual S 323 4.5954 149 -0.53 67
IV.TB03.DHZ.01 2020-09-01T07:55:04.09 0.3 undecidable manual S 230 2.7972 160 -0.62 65
IV.ATBU.EHZ. 2020-09-01T07:55:04.75 0.1 positive manual P 54 11.0778 125 0.16 96
IV.ATVO.HHN. 2020-09-01T07:55:04.52 0.3 undecidable manual S 211 4.5954 149 -0.47 68
IV.TB01.DHZ.01 2020-09-01T07:55:04.49 0.3 undecidable manual S 181 3.996 152 -0.39 70
IV.ATFO.HHZ. 2020-09-01T07:55:04.75 0.1 positive manual P 117 12.2766 122 -0.04 98
IV.ATLO.EHE. 2020-09-01T07:55:04.86 0.1 positive manual P 192 11.5773 123 0.19 96
IV.TB01.DHZ.01 2020-09-01T07:55:03.53 0.1 positive manual P 181 3.996 152 -0.09 99
IV.ATPI.HNZ. 2020-09-01T07:55:03.50 0.1 positive manual P 323 4.5954 149 -0.18 97
IV.TB03.DHZ.01 2020-09-01T07:55:03.28 0.1 positive manual P 230 2.7972 160 -0.24 96
IV.TB02.DHZ.01 2020-09-01T07:55:03.83 0.1 positive manual P 203 5.6943 143 0.03 100
IV.ATVO.HHN. 2020-09-01T07:55:03.63 0.1 positive manual P 211 4.5954 149 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.8 0.0000926 0.42 AML other m 2020-09-01T07:55:28.67
IV.COR1.EHE. ML:2.3 0.00049335 0.42 AML other m 2020-09-01T07:55:28.98
IV.ASQU.HHE. ML:1.6 0.00006950000000000001 0.54 AML other m 2020-09-01T07:55:29.47
IV.ASQU.HHN. ML:1.6 0.00008115 1.12 AML other m 2020-09-01T07:55:30.03
IV.CSP1.EHE. ML:1.8 0.00011499999999999999 0.6 AML other m 2020-09-01T07:55:34.36
IV.ATPI.EHE. ML:0.0 0.006044066 0.384 AML other m 2020-09-01T07:55:05.99
IV.ATPI.HNE. ML:0.0 0.006150601 0.3712 AML other m 2020-09-01T07:55:05.99
IV.ATPI.HNN. ML:0.0 0.004131201 0.1408 AML other m 2020-09-01T07:55:04.80
IV.ATPI.EHN. ML:0.0 0.004150587 0.1344 AML other m 2020-09-01T07:55:04.80
IV.ATFO.HHN. ML:2.1 0.0016977125000000003 0.3584 AML other m 2020-09-01T07:55:07.57
IV.ATFO.HHE. ML:2.3 0.002544152 0.1984 AML other m 2020-09-01T07:55:07.52
IV.APEC.HHN. ML:2.3 0.001852922 0.3584 AML other m 2020-09-01T07:55:11.52
IV.APEC.HNE. ML:2.4 0.00245853 0.32 AML other m 2020-09-01T07:55:10.33
IV.APEC.HNN. ML:2.3 0.0019084305000000002 0.6976 AML other m 2020-09-01T07:55:12.40
IV.APEC.HHE. ML:2.4 0.0022320135 0.3392 AML other m 2020-09-01T07:55:10.60
IV.ATMI.HHE. ML:2.1 0.0011159516 0.2368 AML other m 2020-09-01T07:55:10.36
IV.ATMI.HHN. ML:2.1 0.0011960875 0.3008 AML other m 2020-09-01T07:55:09.78
IV.BADI.EHE. ML:2.3 0.0017771265000000001 0.16 AML other m 2020-09-01T07:55:09.62
IV.BADI.EHN. ML:2.5 0.0027365885 0.2624 AML other m 2020-09-01T07:55:09.73
IV.MURB.HNE. ML:2.6 0.0030142769999999997 0.3264 AML other m 2020-09-01T07:55:11.04
IV.MURB.HHE. ML:2.6 0.0034272720000000003 0.32 AML other m 2020-09-01T07:55:11.04
IV.MURB.HNN. ML:2.6 0.0029875325000000004 0.2176 AML other m 2020-09-01T07:55:10.37
IV.MURB.HHN. ML:2.6 0.002996004 0.2176 AML other m 2020-09-01T07:55:10.36
IV.FRON.EHN. ML:2.2 0.00102854055 0.1792 AML other m 2020-09-01T07:55:11.29
IV.FRON.EHE. ML:1.8 0.00034183395 0.2432 AML other m 2020-09-01T07:55:11.47
IV.SSFR.HNN. ML:2.5 0.0016249609999999999 0.1856 AML other m 2020-09-01T07:55:13.06
IV.SSFR.HHN. ML:2.4 0.0012766095 0.224 AML other m 2020-09-01T07:55:13.06
IV.SSFR.HNE. ML:2.5 0.001586205 0.192 AML other m 2020-09-01T07:55:14.11
IV.SSFR.HHE. ML:2.5 0.001571396 0.1792 AML other m 2020-09-01T07:55:13.79
IV.PARC.HHE. ML:1.8 0.0003063095 0.096 AML other m 2020-09-01T07:55:13.58
IV.PARC.HHN. ML:1.8 0.00033080295000000005 0.544 AML other m 2020-09-01T07:55:22.29
IV.ATCC.EHN. ML:2.4 0.0011113110000000002 0.384 AML other m 2020-09-01T07:55:15.60
IV.ATCC.EHE. ML:2.3 0.0009341752500000001 0.256 AML other m 2020-09-01T07:55:13.61
IV.FOSV.EHE. ML:1.6 0.00020147205 0.3008 AML other m 2020-09-01T07:55:16.77
IV.FOSV.EHN. ML:1.8 0.000353148 0.2816 AML other m 2020-09-01T07:55:14.92
IV.PE3.EHN. ML:2.5 0.001452285 0.224 AML other m 2020-09-01T07:55:14.07
IV.PE3.EHE. ML:2.4 0.0011292974999999998 0.2368 AML other m 2020-09-01T07:55:14.06
IV.MPAG.EHE. ML:1.9 0.00029868615 0.1984 AML other m 2020-09-01T07:55:16.29
IV.MPAG.HNE. ML:1.9 0.00030717585 0.1984 AML other m 2020-09-01T07:55:16.29
IV.MPAG.EHN. ML:1.9 0.0003403194 0.1152 AML other m 2020-09-01T07:55:16.78
IV.CAFI.HNE. ML:1.9 0.0002627093 0.224 AML other m 2020-09-01T07:55:16.41
IV.CAFI.HHE. ML:1.8 0.0002472777 0.2432 AML other m 2020-09-01T07:55:16.41
IV.CAFI.HNN. ML:1.8 0.000204371665 0.16 AML other m 2020-09-01T07:55:15.88
IV.CAFI.HHN. ML:1.8 0.00022664225 0.1408 AML other m 2020-09-01T07:55:15.88
IV.ARVD.HHN. ML:1.7 0.00016227235000000002 0.1408 AML other m 2020-09-01T07:55:16.35
IV.ARVD.HHE. ML:1.7 0.00016330411000000001 0.1408 AML other m 2020-09-01T07:55:16.22
IV.ASSB.HHN. ML:1.7 0.0001658136 0.2624 AML other m 2020-09-01T07:55:20.94
IV.ASSB.HHE. ML:1.7 0.00016466935 0.2176 AML other m 2020-09-01T07:55:19.01
IV.SNTG.HNN. ML:2.0 0.00032511190000000003 0.3584 AML other m 2020-09-01T07:55:17.19
IV.SNTG.HHE. ML:1.8 0.00017268935000000002 0.2432 AML other m 2020-09-01T07:55:17.21
IV.SNTG.HNE. ML:1.7 0.00016319215000000002 0.2496 AML other m 2020-09-01T07:55:17.09
IV.SNTG.HHN. ML:2.0 0.00028129085 0.3008 AML other m 2020-09-01T07:55:19.45
IV.CRE.HHN. ML:1.7 0.00015906619999999998 0.2048 AML other m 2020-09-01T07:55:18.61
IV.CRE.HHE. ML:1.7 0.00015660550000000002 0.32 AML other m 2020-09-01T07:55:22.96
IV.EL6.EHE. ML:2.0 0.00021224375000000002 0.2816 AML other m 2020-09-01T07:55:22.59
IV.EL6.EHN. ML:2.0 0.0002569466 0.4032 AML other m 2020-09-01T07:55:23.48
IV.CESI.HHN. ML:1.8 0.0001277941 0.2816 AML other m 2020-09-01T07:55:23.33
IV.MGAB.HNN. ML:2.2 0.00034469675 0.2048 AML other m 2020-09-01T07:55:23.82
IV.MGAB.HHE. ML:2.2 0.00032927499999999997 0.384 AML other m 2020-09-01T07:55:24.35
IV.MGAB.HHN. ML:2.3 0.00038362589999999994 0.3008 AML other m 2020-09-01T07:55:23.83
IV.MGAB.HNE. ML:2.3 0.0003896715 0.3968 AML other m 2020-09-01T07:55:24.16
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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