Earthquake with magnitude of ML 1.1 on date 10-08-2020 and time 10:11:21 (Italy) in region 3 km NE San Lorenzo Nuovo (VT)

A magnitude ML 1.1 earthquake occured in region: 3 km NE San Lorenzo Nuovo (VT), on

  • 10-08-2020 08:11:21 (UTC)
  • 10-08-2020 10:11:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7060, 11.9320 at 11 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.

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 3 2091 2091
Castel Giorgio TR 4 2131 4222
Grotte di Castro VT 6 2683 6905
Acquapendente VT 7 5506 12411
Bolsena VT 8 3991 16402
Castel Viscardo TR 8 2938 19340
Gradoli VT 9 1353 20693
Onano VT 10 995 21688
Proceno VT 10 557 22245
Latera VT 12 836 23081
Allerona TR 12 1794 24875
Porano TR 14 1966 26841
Orvieto TR 15 20630 47471
Bagnoregio VT 16 3650 51121
Lubriano VT 16 909 52030
Capodimonte VT 17 1731 53761
Valentano VT 18 2868 56629
Sorano GR 18 3428 60057
Ficulle TR 18 1669 61726
Fabro TR 19 2876 64602
Marta VT 19 3499 68101
San Casciano dei Bagni SI 19 1632 69733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Viterbo (67173 inhabitants)
58 Km SW of Perugia (166134 inhabitants)
61 Km W of Terni (111501 inhabitants)
67 Km E of Grosseto (82087 inhabitants)
69 Km W of Foligno (57155 inhabitants)
69 Km N of Civitavecchia (52991 inhabitants)
84 Km SE of Siena (53903 inhabitants)
85 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 1.1 2020-08-10
08:11:21
42.7057 11.932 11 2020-11-19
12:37:03
Bollettino Sismico Italiano INGV 83590011
Reviewed
Rev100
ML 1.0 2020-08-10
08:11:21
42.7207 11.9242 10 2020-08-10
08:20:30
Sala Sismica INGV-Roma 81839131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-10 08:11:21 ± 0.08
Latitude 42.7057 ± 0.0036
Longitude 11.9320 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83590011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 511
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
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 29
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 83590011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-07 16:16:48

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 81839131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-10 08:20:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PANTE.HHZ. 2020-08-10T08:13:07.99 3.0 negative manual Pg 19.139999 0
OT.OT05.EHZ. 2020-08-10T08:12:55.52 3.0 undecidable manual Sg 10.26 0
AC.VLO.HHZ. 2020-08-10T08:12:55.12 3.0 undecidable manual Pn 2.71 0
IV.CAGR.HHZ. 2020-08-10T08:12:46.01 3.0 positive manual Pn 2.93 0
IV.NOCI.HHZ. 2020-08-10T08:12:29.91 3.0 undecidable manual Pn 2.37 0
IV.BRMO.HHZ. 2020-08-10T08:12:22.15 3.0 negative manual Pn 1.19 0
IV.TRTR.HHZ. 2020-08-10T08:12:08.61 3.0 undecidable manual Sn -0.82 0
RD.PGF.BHZ. 2020-08-10T08:12:03.78 3.0 positive manual Pg 7.24 0
IV.CIGN.HHZ. 2020-08-10T08:12:01.81 3.0 undecidable manual Pn -0.39 0
IT.CSO1.HGZ. 2020-08-10T08:12:01.23 3.0 undecidable manual S 1.78 0
IV.NDIM.HNZ. 2020-08-10T08:12:01.99 3.0 negative manual Pg 3.36 0
IV.ROSPO.HHZ. 2020-08-10T08:12:00.55 3.0 undecidable manual Pn 0.83 0
IV.CELB.HHZ. 2020-08-10T08:11:59.72 3.0 undecidable manual S -1.77 0
IT.FIE.HGZ. 2020-08-10T08:11:57.28 3.0 undecidable manual S -2.82 0
IV.NRCA.HHZ. 2020-08-10T08:11:54.62 3.0 undecidable manual S -0.29 0
IV.CAMP.HHZ. 2020-08-10T08:11:44.74 3.0 undecidable manual P 1.02 0
IV.MMO1.EHZ. 2020-08-10T08:11:44.35 3.0 undecidable manual P 1.56 0
IV.SFI.EHZ. 2020-08-10T08:11:42.30 3.0 undecidable manual P -1.39 0
IV.CESX.HHZ. 2020-08-10T08:11:40.15 3.0 undecidable manual S -2.26 0
IV.SRES.HHZ. 2020-08-10T08:11:33.62 3.0 negative manual P -2.33 0
IV.MGAB.HHZ. 2020-08-10T08:11:31.57 0.6 undecidable manual S 32 27.2505 50 0.24 47
TV.SF13.HHE. 2020-08-10T08:11:31.58 0.6 undecidable manual S 296 28.3494 50 -0.05 49
TV.SF11.HHE. 2020-08-10T08:11:31.17 0.3 undecidable manual S 311 27.4503 50 -0.21 71
TV.SF14.HHE. 2020-08-10T08:11:31.47 0.6 undecidable manual S 282 26.4513 50 0.35 46
TV.SF03.EHZ. 2020-08-10T08:11:30.02 0.6 undecidable manual S 298 22.755 50 -0.12 48
TV.SF04.EHZ. 2020-08-10T08:11:30.90 0.6 undecidable manual S 303 26.3514 50 -0.21 47
IV.MCIV.CHE. 2020-08-10T08:11:30.35 0.6 undecidable manual S 291 22.3554 50 0.33 46
IV.SACS.HHZ. 2020-08-10T08:11:28.38 0.3 undecidable manual S 353 15.9729 124 0.09 74
TV.SF14.HHE. 2020-08-10T08:11:27.10 0.6 undecidable manual P 282 26.4513 50 0.02 49
TV.SF04.EHZ. 2020-08-10T08:11:27.06 0.3 undecidable manual P 303 26.3514 50 -0.01 74
IV.LATE.HHZ. 2020-08-10T08:11:27.84 0.6 undecidable manual S 226 14.5743 127 -0.05 50
IV.MGAB.HHZ. 2020-08-10T08:11:27.09 0.1 undecidable manual P 32 27.2505 50 -0.11 96
TV.SF13.HHE. 2020-08-10T08:11:27.36 0.3 undecidable manual P 296 28.3494 50 -0.02 74
TV.SF03.EHZ. 2020-08-10T08:11:26.53 0.3 undecidable manual P 298 22.755 50 0.01 74
IV.MCIV.CHE. 2020-08-10T08:11:26.55 0.6 undecidable manual P 291 22.3554 50 0.1 49
TV.SF11.HHE. 2020-08-10T08:11:26.93 1.0 undecidable manual P 311 27.4503 50 -0.3 23
IV.SACS.HHZ. 2020-08-10T08:11:25.42 0.1 positive manual P 353 15.9729 124 -0.03 100
IV.LATE.HHZ. 2020-08-10T08:11:25.22 0.3 undecidable manual P 226 14.5743 127 0 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATE.HHN. ML:1.2 0.00014932400000000002 0.1792 AML other m 2020-08-10T08:11:31.61
TV.SF04.EHE. ML:1.0 0.000058606430000000004 0.976 AML other m 2020-08-10T08:11:31.18
TV.SF04.EHN. ML:1.0 0.00005483931 0.1216 AML other m 2020-08-10T08:11:32.12
IV.MGAB.HHE. ML:0.9 0.00004585 0.24 AML other m 2020-08-10T08:11:32.68
IV.MGAB.HHN. ML:0.8 0.00003705 0.16 AML other m 2020-08-10T08:11:32.62
IV.LATE.HHE. ML:1.0 0.0001030807 0.1984 AML other m 2020-08-10T08:11:30.63
IV.SACS.HHN. ML:1.1 0.00010929897 0.1216 AML other m 2020-08-10T08:11:28.56
IV.SACS.HNE. ML:1.1 0.0001138163 0.1472 AML other m 2020-08-10T08:11:28.57
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download