Earthquake with magnitude of ML 1.6 on date 16-05-2020 and time 02:49:19 (UTC) in region 3 km E San Lorenzo Nuovo (VT)

A magnitude ML 1.6 earthquake occured in region: 3 km E San Lorenzo Nuovo (VT), on

  • 16-05-2020 02:49:19 (UTC)
  • 16-05-2020 04:49:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6840, 11.9470 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.

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
Bolsena VT 5 3991 8213
Grotte di Castro VT 6 2683 10896
Gradoli VT 9 1353 12249
Castel Viscardo TR 9 2938 15187
Acquapendente VT 10 5506 20693
Onano VT 11 995 21688
Latera VT 12 836 22524
Proceno VT 13 557 23081
Porano TR 13 1966 25047
Orvieto TR 14 20630 45677
Bagnoregio VT 14 3650 49327
Lubriano VT 14 909 50236
Allerona TR 15 1794 52030
Capodimonte VT 15 1731 53761
Valentano VT 16 2868 56629
Marta VT 17 3499 60128
Montefiascone VT 18 13432 73560
Sorano GR 19 3428 76988
Ficulle TR 20 1669 78657

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Viterbo (67173 inhabitants)
59 Km W of Terni (111501 inhabitants)
59 Km SW of Perugia (166134 inhabitants)
67 Km N of Civitavecchia (52991 inhabitants)
69 Km E of Grosseto (82087 inhabitants)
69 Km W of Foligno (57155 inhabitants)
87 Km SE of Siena (53903 inhabitants)
87 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 1.6 2020-05-16
02:49:19
42.6838 11.9468 8 2020-11-19
12:36:58
Bollettino Sismico Italiano INGV 82356241
Reviewed
Rev100
ML 1.6 2020-05-16
02:49:19
42.6757 11.9697 9 2020-05-16
02:56:29
Sala Sismica INGV-Roma 79185341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-16 02:49:19 ± 0.1
Latitude 42.6838 ± 0.0054
Longitude 11.9468 ± 0.0061
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 82356241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 537
Semi-minor axis of confidence ellipse (meter) 482
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.12591
Epicentral distance of station farthest from the epicenter (degree) 0.88403
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 82356241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-26 23:37:19

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 79185341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-16 02:56:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTCE.HHZ. 2020-05-16T02:49:48.98 0.6 undecidable manual S 138 98.124 50 0.31 41
IV.MTCE.HHZ. 2020-05-16T02:49:37.11 0.3 undecidable manual P 138 98.124 50 0.81 52
IV.MOMA.HNZ. 2020-05-16T02:49:36.60 0.6 undecidable manual S 75 52.503 50 0.12 46
IV.ARCI.HHZ. 2020-05-16T02:49:34.26 0.6 undecidable manual S 296 42.7239 50 0.39 44
IV.BARO.EHZ. 2020-05-16T02:49:34.74 0.6 undecidable manual S 170 49.1175 50 -0.85 37
IV.MURB.HHZ. 2020-05-16T02:49:33.64 0.3 undecidable manual P 36 79.5648 50 0.21 65
IV.MAON.HHZ. 2020-05-16T02:49:33.07 0.3 undecidable manual P 247 72.4719 50 0.73 56
IV.ATTE.HHZ. 2020-05-16T02:49:31.19 0.3 undecidable manual P 30 65.8896 50 -0.14 67
TV.SF01.EHZ. 2020-05-16T02:49:31.50 0.6 undecidable manual S 295 34.3434 50 -0.14 48
IV.TOLF.HHN. 2020-05-16T02:49:31.11 0.3 undecidable manual P 176 68.8755 50 -0.68 58
TV.SF13.HHN. 2020-05-16T02:49:30.07 0.6 undecidable manual S 299 30.5472 105 -0.31 46
IV.MGAB.HHZ. 2020-05-16T02:49:30.24 0.3 undecidable manual S 28 28.749 106 0.48 67
TV.SF11.HHZ. 2020-05-16T02:49:29.55 0.6 undecidable manual S 313 29.9478 105 -0.62 42
TV.SF14.HHN. 2020-05-16T02:49:29.81 0.6 undecidable manual S 286 28.2495 106 0.21 47
TV.SF04.EHZ. 2020-05-16T02:49:29.22 0.6 undecidable manual S 306 28.749 106 -0.56 43
IV.MOMA.HNZ. 2020-05-16T02:49:29.10 0.6 undecidable manual P 75 52.503 50 -0.16 46
IV.BARO.EHZ. 2020-05-16T02:49:28.09 0.3 undecidable manual P 170 49.1175 50 -0.65 61
IV.MCIV.CHE. 2020-05-16T02:49:28.22 0.6 undecidable manual S 296 24.4533 109 -0.12 49
IV.ARCI.HHZ. 2020-05-16T02:49:28.11 0.3 undecidable manual P 296 42.7239 50 0.36 67
TV.SF03.EHN. 2020-05-16T02:49:28.39 0.6 undecidable manual S 302 25.0527 108 -0.16 48
TV.SF01.EHZ. 2020-05-16T02:49:26.46 0.3 undecidable manual P 295 34.3434 50 0 73
IV.SACS.HHZ. 2020-05-16T02:49:26.68 0.3 undecidable manual S 351 18.5703 114 0.23 72
TV.SF13.HHN. 2020-05-16T02:49:26.03 0.6 undecidable manual P 299 30.5472 105 0.29 46
TV.SF11.HHZ. 2020-05-16T02:49:25.45 0.3 undecidable manual P 313 29.9478 105 -0.17 71
TV.SF14.HHN. 2020-05-16T02:49:25.28 0.3 undecidable manual P 286 28.2495 106 0 74
IV.LATE.HHZ. 2020-05-16T02:49:25.48 0.3 undecidable manual S 236 13.9749 121 0.44 69
TV.SF04.EHZ. 2020-05-16T02:49:25.33 0.3 undecidable manual P 306 28.749 106 -0.06 73
TV.SF03.EHN. 2020-05-16T02:49:24.61 0.3 undecidable manual P 302 25.0527 108 -0.07 74
IV.MCIV.CHE. 2020-05-16T02:49:24.80 0.1 undecidable manual P 296 24.4533 109 0.24 95
IV.MGAB.HHZ. 2020-05-16T02:49:24.74 0.3 undecidable manual P 28 28.749 106 -0.64 63
IV.SACS.HHZ. 2020-05-16T02:49:23.34 0.1 positive manual P 351 18.5703 114 -0.13 98
IV.LATE.HHZ. 2020-05-16T02:49:22.72 0.1 positive manual P 236 13.9749 121 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGAB.HHE. ML:0.0 0.0002452668 0.2192 AML other m 2020-05-16T02:49:31.59
IV.MGAB.HNE. ML:0.0 0.00023155285 0.2192 AML other m 2020-05-16T02:49:31.59
IV.MGAB.HHN. ML:0.0 0.00020959064999999998 0.24 AML other m 2020-05-16T02:49:32.18
IV.MGAB.HNN. ML:0.0 0.00017402299999999998 0.24 AML other m 2020-05-16T02:49:32.18
IV.BARO.EHE. ML:0.0 0.0000648914 0.16 AML other m 2020-05-16T02:49:35.62
IV.BARO.EHN. ML:0.0 0.00007452716 0.3808 AML other m 2020-05-16T02:49:37.50
IV.LATE.HHN. ML:1.8 0.00062675415 0.2192 AML other m 2020-05-16T02:49:29.87
IV.LATE.HHE. ML:1.6 0.00048714645000000003 0.2992 AML other m 2020-05-16T02:49:28.72
IV.SACS.HHE. ML:1.8 0.00046811860000000005 0.4208 AML other m 2020-05-16T02:49:27.02
IV.SACS.HNN. ML:1.5 0.00023956600500000004 0.4096 AML other m 2020-05-16T02:49:27.48
IV.SACS.HHN. ML:1.4 0.0001894302 0.4 AML other m 2020-05-16T02:49:27.49
IV.SACS.HNE. ML:1.8 0.00052281665 0.4304 AML other m 2020-05-16T02:49:27.02
TV.SF01.EHN. ML:1.1 0.00005361761850000001 0.3008 AML other m 2020-05-16T02:49:36.76
TV.SF01.EHE. ML:1.2 0.000062376 0.4192 AML other m 2020-05-16T02:49:37.15
IV.ATTE.HHE. ML:1.4 0.000043916424999999993 0.32 AML other m 2020-05-16T02:49:43.64
IV.ATTE.HHN. ML:1.4 0.000051184400000000004 0.3808 AML other m 2020-05-16T02:49:44.20
IV.MURB.HNE. ML:2.1 0.0001786817 0.3888 AML other m 2020-05-16T02:49:50.28
IV.MURB.HHN. ML:2.2 0.00021139965 0.36 AML other m 2020-05-16T02:49:47.94
IV.MURB.HHE. ML:2.0 0.0001469722 0.36 AML other m 2020-05-16T02:49:47.62
IV.MURB.HNN. ML:2.2 0.00020805109999999998 0.32 AML other m 2020-05-16T02:49:48.24
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