Earthquake with magnitude of ML 1.3 on date 16-05-2020 and time 02:18:28 (UTC) in region 4 km E San Lorenzo Nuovo (VT)

A magnitude ML 1.3 earthquake occured in region: 4 km E San Lorenzo Nuovo (VT), on

  • 16-05-2020 02:18:28 (UTC)
  • 16-05-2020 04:18:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 11.9520 at 10 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 4 2091 2091
Castel Giorgio TR 4 2131 4222
Bolsena VT 5 3991 8213
Grotte di Castro VT 7 2683 10896
Gradoli VT 9 1353 12249
Castel Viscardo TR 10 2938 15187
Acquapendente VT 10 5506 20693
Onano VT 11 995 21688
Latera VT 12 836 22524
Porano TR 12 1966 24490
Proceno VT 13 557 25047
Bagnoregio VT 13 3650 28697
Lubriano VT 14 909 29606
Orvieto TR 14 20630 50236
Capodimonte VT 15 1731 51967
Allerona TR 15 1794 53761
Marta VT 16 3499 57260
Valentano VT 16 2868 60128
Montefiascone VT 17 13432 73560
Celleno VT 19 1355 74915
Sorano GR 19 3428 78343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Viterbo (67173 inhabitants)
58 Km W of Terni (111501 inhabitants)
60 Km SW of Perugia (166134 inhabitants)
66 Km N of Civitavecchia (52991 inhabitants)
69 Km W of Foligno (57155 inhabitants)
69 Km E of Grosseto (82087 inhabitants)
87 Km SE of Siena (53903 inhabitants)
88 Km S of Arezzo (99543 inhabitants)
98 Km NW of Roma (2864731 inhabitants)
99 Km NW of Guidonia Montecelio (88673 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 1.3 2020-05-16
02:18:28
42.6778 11.9517 10 2020-11-19
12:36:56
Bollettino Sismico Italiano INGV 81704341
Reviewed
Rev100
ML 1.5 2020-05-16
02:18:27
42.6763 11.9618 10 2020-05-16
02:25:04
Sala Sismica INGV-Roma 79183821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-16 02:18:28 ± 0.09
Latitude 42.6778 ± 0.0045
Longitude 11.9517 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81704341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 478
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 81704341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-06 15:25:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 79183821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-16 02:25:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-05-16T02:19:34.91 3.0 undecidable manual Sn 0.12 0
IV.VVLD.HHZ. 2020-05-16T02:18:55.69 3.0 negative manual P 0.69 0
IV.ATTE.HHZ. 2020-05-16T02:18:49.53 0.6 undecidable manual S 29 66.2781 50 1.08 33
IV.TOLF.HHN. 2020-05-16T02:18:49.19 0.6 undecidable manual S 177 68.1762 50 0.23 44
IV.MOMA.HNZ. 2020-05-16T02:18:45.23 1.0 undecidable manual S 74 52.3032 50 0.52 21
IV.BARO.EHZ. 2020-05-16T02:18:43.56 0.6 undecidable manual S 170 48.4182 50 -0.11 47
IV.ATLO.EHE. 2020-05-16T02:18:42.12 0.3 undecidable manual P 27 79.7646 50 0.23 65
IV.ARCI.HHZ. 2020-05-16T02:18:42.95 0.6 undecidable manual S 297 43.3233 50 0.62 42
IV.ATCC.EHE. 2020-05-16T02:18:41.62 0.6 undecidable manual P 45 79.365 50 -0.2 44
IV.MURB.HHE. 2020-05-16T02:18:41.74 0.3 undecidable manual P 35 79.8645 50 -0.16 66
TV.SF01.EHZ. 2020-05-16T02:18:40.44 0.6 undecidable manual S 295 34.9428 50 0.35 46
IV.TOLF.HHN. 2020-05-16T02:18:39.77 0.3 undecidable manual P 177 68.1762 50 -0.34 65
IV.ATTE.HHZ. 2020-05-16T02:18:39.94 0.1 undecidable manual P 29 66.2781 50 0.13 91
TV.SF13.HHN. 2020-05-16T02:18:38.76 0.3 undecidable manual S 300 31.2465 50 -0.34 70
IV.MGAB.HHZ. 2020-05-16T02:18:38.84 0.6 undecidable manual S 27 29.1486 50 0.3 47
TV.SF04.EHZ. 2020-05-16T02:18:38.08 0.6 undecidable manual S 307 29.4483 50 -0.55 44
TV.SF11.HHZ. 2020-05-16T02:18:38.37 0.6 undecidable manual S 314 30.6471 50 -0.58 44
TV.SF14.HHN. 2020-05-16T02:18:38.71 0.6 undecidable manual S 287 28.749 50 0.27 47
TV.SF03.EHN. 2020-05-16T02:18:37.32 0.6 undecidable manual S 303 25.752 111 -0.24 48
IV.MOMA.HNZ. 2020-05-16T02:18:37.60 0.3 undecidable manual P 74 52.3032 50 -0.05 71
IV.MCIV.CHE. 2020-05-16T02:18:37.12 0.6 undecidable manual S 297 25.0527 111 -0.22 48
IV.BARO.EHZ. 2020-05-16T02:18:36.75 0.1 undecidable manual P 170 48.4182 50 -0.3 91
IV.ARCI.HHZ. 2020-05-16T02:18:36.87 0.3 undecidable manual P 297 43.3233 50 0.6 64
IV.SACS.HHZ. 2020-05-16T02:18:35.57 0.3 undecidable manual S 350 19.2696 117 0.06 75
TV.SF01.EHZ. 2020-05-16T02:18:35.52 0.3 undecidable manual P 295 34.9428 50 0.54 66
TV.SF11.HHZ. 2020-05-16T02:18:34.16 0.3 undecidable manual P 314 30.6471 50 -0.16 72
TV.SF14.HHN. 2020-05-16T02:18:34.12 0.3 undecidable manual P 287 28.749 50 0.09 74
TV.SF13.HHN. 2020-05-16T02:18:34.31 0.3 undecidable manual P 300 31.2465 50 -0.1 73
IV.LATE.HHZ. 2020-05-16T02:18:34.20 0.3 undecidable manual S 240 13.9749 125 0.28 73
TV.SF04.EHZ. 2020-05-16T02:18:33.87 0.1 undecidable manual P 307 29.4483 50 -0.27 95
IV.MCIV.CHE. 2020-05-16T02:18:33.44 0.3 undecidable manual P 297 25.0527 111 0.05 75
IV.MGAB.HHZ. 2020-05-16T02:18:33.57 0.1 positive manual P 27 29.1486 50 -0.52 90
TV.SF03.EHN. 2020-05-16T02:18:33.42 0.3 undecidable manual P 303 25.752 111 -0.1 74
IV.SACS.HHZ. 2020-05-16T02:18:32.25 0.1 positive manual P 350 19.2696 117 -0.09 100
IV.LATE.HHZ. 2020-05-16T02:18:31.63 0.1 positive manual P 240 13.9749 125 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGAB.HNE. ML:0.0 0.00012501458999999998 0.2192 AML other m 2020-05-16T02:18:40.35
IV.MGAB.HHE. ML:0.0 0.00013393094999999999 0.2 AML other m 2020-05-16T02:18:40.36
IV.MGAB.HHN. ML:0.0 0.00012696584999999998 0.2208 AML other m 2020-05-16T02:18:41.06
IV.MGAB.HNN. ML:0.0 0.0001085829 0.2208 AML other m 2020-05-16T02:18:41.17
IV.LATE.HHN. ML:1.6 0.00036889620000000003 0.2 AML other m 2020-05-16T02:18:38.74
IV.LATE.HHE. ML:1.4 0.0002336728 0.24 AML other m 2020-05-16T02:18:35.96
IV.SACS.HHE. ML:1.7 0.0003559865 0.44 AML other m 2020-05-16T02:18:35.91
IV.SACS.HNN. ML:1.3 0.00014892535 0.2704 AML other m 2020-05-16T02:18:36.33
IV.SACS.HHN. ML:1.3 0.0001515865 0.2016 AML other m 2020-05-16T02:18:35.00
IV.SACS.HNE. ML:1.7 0.00035480079999999995 0.4208 AML other m 2020-05-16T02:18:35.90
TV.SF04.EHN. ML:1.4 0.00011955949999999999 0.16 AML other m 2020-05-16T02:18:39.25
TV.SF04.EHE. ML:1.2 0.00008213218999999999 0.16 AML other m 2020-05-16T02:18:41.02
TV.SF01.EHN. ML:1.0 0.0000463039365 0.1792 AML other m 2020-05-16T02:18:41.42
TV.SF01.EHE. ML:1.0 0.00003808346 0.1808 AML other m 2020-05-16T02:18:41.52
IV.BARO.EHN. ML:1.2 0.00003892466 0.3808 AML other m 2020-05-16T02:18:46.56
IV.BARO.EHE. ML:1.1 0.00003694499 0.1408 AML other m 2020-05-16T02:18:44.49
IV.ATTE.HHE. ML:1.0 0.00002169735 0.36 AML other m 2020-05-16T02:18:52.50
IV.ATTE.HHN. ML:1.2 0.00002879112 0.32 AML other m 2020-05-16T02:18:53.09
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