Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 10-05-2020 and time 19:02:53 (Italy) in region 1 km W San Lorenzo Nuovo (VT)

A magnitude ML 1.7 earthquake occured in region: 1 km W San Lorenzo Nuovo (VT), on

  • 10-05-2020 17:02:53 (UTC)
  • 10-05-2020 19:02:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6900, 11.8950 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
San Lorenzo Nuovo VT 1 2091 2091
Grotte di Castro VT 3 2683 4774
Gradoli VT 6 1353 6127
Onano VT 7 995 7122
Acquapendente VT 7 5506 12628
Castel Giorgio TR 7 2131 14759
Latera VT 9 836 15595
Bolsena VT 9 3991 19586
Proceno VT 9 557 20143
Castel Viscardo TR 12 2938 23081
Valentano VT 15 2868 25949
Sorano GR 15 3428 29377
Allerona TR 15 1794 31171
Capodimonte VT 16 1731 32902
Porano TR 17 1966 34868
Marta VT 17 3499 38367
Orvieto TR 18 20630 58997
Bagnoregio VT 18 3650 62647
Lubriano VT 18 909 63556
Castell'Azzara GR 19 1476 65032
Pitigliano GR 19 3818 68850
Ischia di Castro VT 20 2326 71176
Piansano VT 20 2079 73255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Viterbo (67173 inhabitants)
62 Km SW of Perugia (166134 inhabitants)
63 Km W of Terni (111501 inhabitants)
64 Km E of Grosseto (82087 inhabitants)
67 Km N of Civitavecchia (52991 inhabitants)
72 Km W of Foligno (57155 inhabitants)
84 Km SE of Siena (53903 inhabitants)
87 Km S of Arezzo (99543 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 1.7 2020-05-10
17:02:53		 42.6897 11.8947 8 2020-11-19
12:36:45		 Bollettino Sismico Italiano INGV 79417131
Reviewed
Rev100 		ML 1.9 2020-05-10
17:02:52		 42.6788 11.9027 7 2020-05-10
17:11:37		 Sala Sismica INGV-Roma 79018051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 17:02:53 ± 0.07
Latitude 42.6897 ± 0.0036
Longitude 11.8947 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79417131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 394
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
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 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.73654
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 79018051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 17:11:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 79417131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-19 14:17:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-05-10T17:03:18.32 0.1 undecidable manual S 39 81.5517 50 0.42 82
IV.ATMI.HHZ. 2020-05-10T17:03:17.33 0.1 undecidable manual S 23 77.6667 50 0.49 82
IV.SRES.HHN. 2020-05-10T17:03:15.02 0.3 undecidable manual S 135 71.0733 50 -0.08 67
IV.TOLF.HHZ. 2020-05-10T17:03:14.48 0.1 undecidable manual S 173 69.9744 50 -0.31 86
IV.ATTE.HHZ. 2020-05-10T17:03:13.97 0.1 undecidable manual S 33 67.5768 50 -0.19 89
IV.MOMA.HHZ. 2020-05-10T17:03:11.92 0.1 undecidable manual S 77 56.499 50 0.73 77
IT.GNU.HGE. 2020-05-10T17:03:11.71 0.3 undecidable manual S 77 56.499 50 0.52 63
IV.BARO.EHZ. 2020-05-10T17:03:09.01 0.1 undecidable manual S 165 50.616 50 -0.63 81
IV.MURB.HHZ. 2020-05-10T17:03:07.30 0.1 undecidable manual P 39 81.5517 50 -0.08 88
IV.ATCC.EHE. 2020-05-10T17:03:07.49 0.3 undecidable manual P 48 81.7515 50 0.09 66
IV.SRES.HHN. 2020-05-10T17:03:06.18 0.3 undecidable manual P 135 71.0733 50 0.42 63
IV.ATMI.HHZ. 2020-05-10T17:03:06.68 0.1 undecidable manual P 23 77.6667 50 -0.09 89
IV.ARCI.HHZ. 2020-05-10T17:03:06.48 0.1 undecidable manual S 298 38.628 50 0.06 96
IV.TOLF.HHZ. 2020-05-10T17:03:05.20 0.1 undecidable manual P 173 69.9744 50 -0.38 85
IV.ATTE.HHZ. 2020-05-10T17:03:05.50 0.1 undecidable manual P 33 67.5768 50 0.28 87
IV.MAON.HHZ. 2020-05-10T17:03:05.73 0.3 undecidable manual P 245 68.7756 50 0.32 64
IV.ASSB.HHN. 2020-05-10T17:03:05.36 0.3 undecidable manual P 58 73.4709 50 -0.76 55
IV.MGAB.HHZ. 2020-05-10T17:03:03.52 0.1 undecidable manual S 36 30.4473 105 -0.41 91
TV.SF01.EHZ. 2020-05-10T17:03:03.90 0.1 undecidable manual S 297 30.2475 105 0.04 98
IV.CESX.HHE. 2020-05-10T17:03:03.63 0.3 undecidable manual P 99 57.1983 50 0.01 70
IV.MOMA.HHZ. 2020-05-10T17:03:03.17 0.1 undecidable manual P 77 56.499 50 -0.33 88
IT.GNU.HGE. 2020-05-10T17:03:03.46 0.3 undecidable manual P 77 56.499 50 -0.04 70
TV.SF13.HHZ. 2020-05-10T17:03:02.11 0.1 undecidable manual S 303 26.5512 107 -0.53 88
IV.BARO.EHZ. 2020-05-10T17:03:02.21 0.1 undecidable manual P 165 50.616 50 -0.4 87
TV.SF04.EHZ. 2020-05-10T17:03:02.09 0.1 undecidable manual S 310 25.0527 108 -0.04 99
TV.SF14.HHN. 2020-05-10T17:03:01.91 0.1 undecidable manual S 288 23.9538 109 0.13 97
TV.SF11.HHN. 2020-05-10T17:03:01.98 0.1 undecidable manual S 319 26.4513 107 -0.64 85
IV.SACS.HHZ. 2020-05-10T17:03:00.07 0.1 undecidable manual S 4 17.6712 115 0.3 95
IV.ARCI.HHZ. 2020-05-10T17:03:00.97 0.1 undecidable manual P 298 38.628 50 0.22 93
TV.SF03.EHE. 2020-05-10T17:03:00.69 0.1 undecidable manual S 306 21.1677 111 -0.17 97
IV.MCIV.CHZ. 2020-05-10T17:03:00.76 0.1 undecidable manual S 299 20.3685 112 0.16 97
TV.SF01.EHZ. 2020-05-10T17:02:59.41 0.1 undecidable manual P 297 30.2475 105 0.14 96
TV.SF04.EHZ. 2020-05-10T17:02:58.25 0.1 undecidable manual P 310 25.0527 108 -0.02 99
IV.MGAB.HHZ. 2020-05-10T17:02:58.84 0.1 undecidable manual P 36 30.4473 105 -0.47 89
TV.SF13.HHZ. 2020-05-10T17:02:58.57 0.1 undecidable manual P 303 26.5512 107 0 99
TV.SF11.HHN. 2020-05-10T17:02:58.54 0.1 undecidable manual P 319 26.4513 107 -0.02 99
IV.LATE.HHZ. 2020-05-10T17:02:58.59 0.1 undecidable manual S 221 11.1777 126 0.78 82
IV.MCIV.CHZ. 2020-05-10T17:02:57.51 0.1 undecidable manual P 299 20.3685 112 0.12 98
TV.SF14.HHN. 2020-05-10T17:02:57.97 0.1 undecidable manual P 288 23.9538 109 -0.1 98
TV.SF03.EHE. 2020-05-10T17:02:57.63 0.1 undecidable manual P 306 21.1677 111 0.09 98
IV.LATE.HHZ. 2020-05-10T17:02:56.19 0.1 positive manual P 221 11.1777 126 0.41 93
IV.SACS.HHZ. 2020-05-10T17:02:56.87 0.1 undecidable manual P 4 17.6712 115 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARCI.HHE. ML:1.4 0.000092777725 0.4352 AML other m 2020-05-10T17:03:09.39
IV.SACS.HNE. ML:1.9 0.0006918215 0.2048 AML other m 2020-05-10T17:03:00.21
IV.SACS.HHN. ML:1.8 0.0005800906 0.2432 AML other m 2020-05-10T17:03:00.21
IV.SACS.HHE. ML:1.9 0.00065166005 0.1792 AML other m 2020-05-10T17:03:00.65
IV.SACS.HNN. ML:1.8 0.00058272545 0.3584 AML other m 2020-05-10T17:03:00.65
IV.LATE.HHN. ML:0.0 0.00098750855 0.1408 AML other m 2020-05-10T17:02:59.07
IV.ATMI.HHE. ML:1.8 0.00009674347499999999 0.2048 AML other m 2020-05-10T17:03:18.78
IV.LATE.HHE. ML:1.9 0.00108859695 0.3712 AML other m 2020-05-10T17:02:58.76
IV.MCIV.CHE. ML:1.6 0.00033730455000000005 1.7568 AML other m 2020-05-10T17:03:01.08
IV.MCIV.CHN. ML:1.3 0.00014669500000000002 0.2304 AML other m 2020-05-10T17:03:01.04
TV.SF04.EHE. ML:1.7 0.00029323690000000003 0.32 AML other m 2020-05-10T17:03:02.75
TV.SF04.EHN. ML:1.7 0.00027579739999999996 0.2304 AML other m 2020-05-10T17:03:02.41
IV.MGAB.HHE. ML:1.8 0.00033916805 0.32 AML other m 2020-05-10T17:03:03.75
IV.MGAB.HNE. ML:1.8 0.00031286705000000006 0.3328 AML other m 2020-05-10T17:03:03.75
IV.MGAB.HNN. ML:1.7 0.000252936 0.3584 AML other m 2020-05-10T17:03:03.64
IV.MGAB.HHN. ML:1.8 0.00027471449999999997 0.3584 AML other m 2020-05-10T17:03:03.64
TV.SF01.EHE. ML:1.8 0.00028201105 0.4224 AML other m 2020-05-10T17:03:04.26
TV.SF01.EHN. ML:1.6 0.0002132446 0.2688 AML other m 2020-05-10T17:03:04.63
IV.ARCI.HHN. ML:1.1 0.000049272475 0.2688 AML other m 2020-05-10T17:03:07.28
IV.MOMA.HNN. ML:1.9 0.00016312539999999997 1.3568 AML other m 2020-05-10T17:03:12.84
IV.MOMA.HNE. ML:1.6 0.000078541985 0.2688 AML other m 2020-05-10T17:03:12.44
IV.MOMA.HHE. ML:1.6 0.00008842574 0.2688 AML other m 2020-05-10T17:03:12.57
IV.MOMA.HHN. ML:1.5 0.00006583509 0.3968 AML other m 2020-05-10T17:03:12.36
IV.TOLF.HHN. ML:1.4 0.00004312919499999999 0.832 AML other m 2020-05-10T17:03:15.93
IV.TOLF.HHE. ML:1.4 0.000040282675000000005 0.64 AML other m 2020-05-10T17:03:15.49
IV.ATTE.HHE. ML:1.6 0.00006625991 0.4736 AML other m 2020-05-10T17:03:14.39
IV.ATTE.HHN. ML:1.5 0.000055403149999999995 0.6784 AML other m 2020-05-10T17:03:14.73
IV.ATMI.HHN. ML:1.8 0.000088307645 0.7936 AML other m 2020-05-10T17:03:18.74
IV.MURB.HHN. ML:2.0 0.00011942265 0.9856 AML other m 2020-05-10T17:03:19.53
IV.MURB.HHE. ML:2.2 0.00019423275 0.2944 AML other m 2020-05-10T17:03:19.51
IV.MURB.HNE. ML:2.2 0.00020822639999999997 1.0368 AML other m 2020-05-10T17:03:18.85
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