Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 15-05-2020 and time 14:27:00 (UTC) in region 3 km E San Lorenzo Nuovo (VT)

A magnitude ML 2.5 earthquake occured in region: 3 km E San Lorenzo Nuovo (VT), on

  • 15-05-2020 14:27:00 (UTC)
  • 15-05-2020 16:27:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6800, 11.9450 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.

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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 3 2091 2091
Castel Giorgio TR 4 2131 4222
Bolsena VT 5 3991 8213
Grotte di Castro VT 6 2683 10896
Gradoli VT 8 1353 12249
Castel Viscardo TR 10 2938 15187
Acquapendente VT 10 5506 20693
Onano VT 11 995 21688
Latera VT 11 836 22524
Proceno VT 13 557 23081
Porano TR 13 1966 25047
Bagnoregio VT 14 3650 28697
Orvieto TR 14 20630 49327
Lubriano VT 14 909 50236
Capodimonte VT 15 1731 51967
Allerona TR 15 1794 53761
Valentano VT 16 2868 56629
Marta VT 16 3499 60128
Montefiascone VT 17 13432 73560
Sorano GR 19 3428 76988
Celleno VT 20 1355 78343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Viterbo (67173 inhabitants)
59 Km W of Terni (111501 inhabitants)
60 Km SW of Perugia (166134 inhabitants)
66 Km N of Civitavecchia (52991 inhabitants)
68 Km E of Grosseto (82087 inhabitants)
69 Km W of Foligno (57155 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 2.5 2020-05-15
14:27:00		 42.6802 11.945 10 2020-11-19
12:36:58		 Bollettino Sismico Italiano INGV 82210561
Reviewed
Rev100 		ML 2.5 2020-05-15
14:27:00		 42.6827 11.9478 11 2020-05-15
14:37:56		 Sala Sismica INGV-Roma 79159651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-15 14:27:00 ± 0.1
Latitude 42.6802 ± 0.0054
Longitude 11.9450 ± 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 82210561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 1.15293
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 82210561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-20 14:32:34

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 79159651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-15 14:37:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2020-05-15T14:27:22.33 0.3 undecidable manual P 14 127.9719 50 0.91 47
IV.MPAG.EHZ. 2020-05-15T14:27:21.25 1.0 undecidable manual P 32 124.1868 50 0.41 19
IV.CSP1.EHZ. 2020-05-15T14:27:19.23 0.6 undecidable manual P 66 112.0989 50 0.26 40
IV.PIEI.HHZ. 2020-05-15T14:27:18.83 0.6 undecidable manual P 27 106.2159 50 0.76 35
IV.MC2.EHZ. 2020-05-15T14:27:18.44 1.0 undecidable manual P 75 104.4177 50 0.65 18
IV.CRE.HHZ. 2020-05-15T14:27:18.89 0.6 undecidable manual P 0 104.118 50 1.15 29
IV.PARC.HHZ. 2020-05-15T14:27:18.89 0.6 undecidable manual P 12 110.0121 50 0.24 41
IV.TRIF.CHN. 2020-05-15T14:27:17.20 0.6 undecidable manual P 300 97.4247 50 0.48 40
IV.MTCE.HHZ. 2020-05-15T14:27:17.65 0.3 undecidable manual P 138 97.9242 50 0.86 51
IV.APEC.HHZ. 2020-05-15T14:27:17.66 1.0 undecidable manual P 21 104.7174 50 -0.18 21
IV.CASP.HHE. 2020-05-15T14:27:16.52 0.1 positive manual P 278 88.8444 50 1.13 61
IV.FDMO.HHZ. 2020-05-15T14:27:16.95 0.6 undecidable manual P 67 100.9212 50 -0.3 41
IV.BARO.EHZ. 2020-05-15T14:27:15.43 0.6 undecidable manual S 170 48.7179 50 -0.43 44
IV.ATVO.HHZ. 2020-05-15T14:27:15.04 0.3 undecidable manual P 26 86.3469 50 0.03 67
IV.LNSS.HNZ. 2020-05-15T14:27:15.36 0.3 undecidable manual P 95 89.7435 50 -0.17 64
IV.MURB.HNN. 2020-05-15T14:27:14.14 0.6 undecidable manual P 36 79.9644 50 0.12 44
IT.MMP1.HGE. 2020-05-15T14:27:14.68 1.0 undecidable manual P 126 81.252 50 0.46 21
IV.ARCI.HHZ. 2020-05-15T14:27:14.65 0.6 undecidable manual S 297 42.7239 50 0.39 45
IV.CESI.HHZ. 2020-05-15T14:27:14.94 0.6 undecidable manual P 65 85.9473 50 0 45
IT.UMBT.HGZ. 2020-05-15T14:27:14.64 0.3 undecidable manual P 25 76.368 50 1.17 46
IV.ATLO.EHN. 2020-05-15T14:27:13.89 0.1 positive manual P 28 79.7646 50 -0.1 89
IV.MAON.HHZ. 2020-05-15T14:27:13.57 0.3 undecidable manual P 247 72.1722 50 0.75 56
IV.ASSB.HHZ. 2020-05-15T14:27:12.32 0.3 undecidable manual P 55 70.5738 50 -0.25 66
IV.ARRO.EHZ. 2020-05-15T14:27:12.31 0.3 undecidable manual P 99 67.8765 50 0.15 67
TV.SF01.EHZ. 2020-05-15T14:27:11.99 0.6 undecidable manual S 295 34.3434 50 -0.04 49
IV.ATTE.HHZ. 2020-05-15T14:27:11.98 0.1 positive manual P 30 66.2781 50 0.06 92
IV.TOLF.HHZ. 2020-05-15T14:27:11.66 0.6 undecidable manual P 176 68.4759 50 -0.59 40
IV.SRES.HHN. 2020-05-15T14:27:11.79 0.6 undecidable manual P 137 67.4769 50 -0.31 44
TV.SF04.EHZ. 2020-05-15T14:27:10.28 0.6 undecidable manual S 307 28.8489 50 -0.29 47
TV.SF11.HHZ. 2020-05-15T14:27:10.95 0.6 undecidable manual S 314 30.1476 50 0.06 49
IV.MGAB.HHZ. 2020-05-15T14:27:10.18 0.6 undecidable manual S 28 29.1486 50 -0.46 45
TV.SF13.HHN. 2020-05-15T14:27:10.83 0.6 undecidable manual S 300 30.6471 50 -0.2 48
TV.SF14.HHZ. 2020-05-15T14:27:09.85 0.6 undecidable manual S 287 28.1496 50 -0.53 44
TV.SF03.EHE. 2020-05-15T14:27:09.25 0.6 undecidable manual S 303 25.1526 111 -0.22 48
IV.MCIV.CHZ. 2020-05-15T14:27:09.12 0.6 undecidable manual S 297 24.4533 112 -0.13 49
IV.CESX.HHE. 2020-05-15T14:27:09.48 0.6 undecidable manual P 98 53.0025 50 -0.38 44
IV.ARCI.HHZ. 2020-05-15T14:27:08.29 0.1 undecidable manual P 297 42.7239 50 0.01 97
IV.BARO.EHZ. 2020-05-15T14:27:08.52 0.1 positive manual P 170 48.7179 50 -0.69 80
TV.SF01.EHZ. 2020-05-15T14:27:07.00 0.3 undecidable manual P 295 34.3434 50 0.01 74
IV.SACS.HHZ. 2020-05-15T14:27:07.46 0.3 undecidable manual S 351 18.9699 117 -0.05 75
TV.SF13.HHN. 2020-05-15T14:27:06.22 0.3 undecidable manual P 300 30.6471 50 -0.2 71
IV.LATE.HHZ. 2020-05-15T14:27:06.50 0.6 undecidable manual S 237 13.6752 126 0.56 45
TV.SF11.HHZ. 2020-05-15T14:27:06.03 0.1 positive manual P 314 30.1476 50 -0.3 93
IV.MGAB.HHZ. 2020-05-15T14:27:05.53 0.1 positive manual P 28 29.1486 50 -0.66 84
IV.MCIV.CHZ. 2020-05-15T14:27:05.13 0.3 undecidable manual P 297 24.4533 112 -0.26 71
TV.SF14.HHZ. 2020-05-15T14:27:05.74 0.3 undecidable manual P 287 28.1496 50 -0.3 70
TV.SF03.EHE. 2020-05-15T14:27:05.33 0.3 undecidable manual P 303 25.1526 111 -0.18 72
TV.SF04.EHZ. 2020-05-15T14:27:05.99 0.3 undecidable manual P 307 28.8489 50 -0.16 72
IV.SACS.HHZ. 2020-05-15T14:27:04.12 0.1 positive manual P 351 18.9699 117 -0.26 96
IV.LATE.HHZ. 2020-05-15T14:27:03.58 0.1 positive manual P 237 13.6752 126 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACS.HHN. ML:3.0 0.0072 0.48 AML other m 2020-05-15T14:27:07.68
IV.SACS.HNN. ML:2.9 0.006804999999999999 0.48 AML other m 2020-05-15T14:27:07.68
IV.SACS.HHE. ML:3.0 0.00732 0.2 AML other m 2020-05-15T14:27:08.12
IV.SACS.HNE. ML:3.0 0.00741 0.22 AML other m 2020-05-15T14:27:08.13
IV.MCIV.CHN. ML:2.2 0.001029 0.84 AML other m 2020-05-15T14:27:10.37
IV.MGAB.HNE. ML:2.8 0.0035800000000000003 1.3 AML other m 2020-05-15T14:27:10.21
IV.LATE.HHN. ML:3.0 0.009965 0.66 AML other m 2020-05-15T14:27:11.34
IV.MGAB.HHN. ML:2.9 0.00435 1.36 AML other m 2020-05-15T14:27:11.19
IV.LATE.HHE. ML:2.8 0.0064849999999999994 0.36 AML other m 2020-05-15T14:27:11.64
IV.MGAB.HHE. ML:2.9 0.003665 1.68 AML other m 2020-05-15T14:27:11.14
TV.SF04.EHN. ML:2.7 0.00267 1.82 AML other m 2020-05-15T14:27:12.05
TV.SF04.EHE. ML:2.6 0.0022 0.58 AML other m 2020-05-15T14:27:13.35
IV.MGAB.HNN. ML:2.8 0.00354 0.94 AML other m 2020-05-15T14:27:13.74
IV.MCIV.CHE. ML:2.4 0.00168 0.3 AML other m 2020-05-15T14:27:13.30
TV.SF01.EHN. ML:2.6 0.0015249999999999999 0.7 AML other m 2020-05-15T14:27:16.44
TV.SF01.EHE. ML:2.7 0.0019649999999999997 0.58 AML other m 2020-05-15T14:27:16.57
IV.ARCI.HHE. ML:2.0 0.000337 0.6 AML other m 2020-05-15T14:27:16.50
IV.ARCI.HHN. ML:2.1 0.00039200000000000004 0.34 AML other m 2020-05-15T14:27:18.04
IV.ARCI.HNN. ML:2.0 0.0003345 0.34 AML other m 2020-05-15T14:27:18.04
IV.ARCI.HNE. ML:2.1 0.00039 1.06 AML other m 2020-05-15T14:27:18.75
IV.ATTE.HHN. ML:2.7 0.0009305 1.12 AML other m 2020-05-15T14:27:23.10
IV.ARRO.EHE. ML:2.2 0.0002545 0.56 AML other m 2020-05-15T14:27:24.30
IV.TOLF.HHE. ML:2.3 0.00033299999999999996 0.68 AML other m 2020-05-15T14:27:25.83
IV.ASSB.HHN. ML:2.2 0.0002945 0.72 AML other m 2020-05-15T14:27:26.60
IV.ATTE.HHE. ML:2.6 0.0007365 0.76 AML other m 2020-05-15T14:27:26.41
IV.TOLF.HHN. ML:2.1 0.00020250000000000002 0.3 AML other m 2020-05-15T14:27:26.84
IV.ARRO.EHN. ML:2.3 0.00035099999999999997 0.96 AML other m 2020-05-15T14:27:27.20
IV.ATVO.HHE. ML:2.6 0.0005145 0.42 AML other m 2020-05-15T14:27:28.90
IV.ASSB.HHE. ML:2.3 0.0003125 0.4 AML other m 2020-05-15T14:27:29.64
IV.CESI.HHN. ML:2.3 0.0002705 0.38 AML other m 2020-05-15T14:27:30.71
IV.CESI.HHE. ML:2.3 0.0002605 0.38 AML other m 2020-05-15T14:27:30.56
IV.MTCE.HHN. ML:2.2 0.00014900000000000002 0.46 AML other m 2020-05-15T14:27:31.44
IV.MTCE.HHE. ML:2.3 0.000194 0.66 AML other m 2020-05-15T14:27:31.92
IV.ATVO.HHN. ML:2.7 0.0006925 1.52 AML other m 2020-05-15T14:27:32.09
IV.PIEI.HHE. ML:2.5 0.0003105 0.38 AML other m 2020-05-15T14:27:35.75
IV.CRE.HHE. ML:2.3 0.000178 0.48 AML other m 2020-05-15T14:27:36.76
IV.FDMO.HHN. ML:2.4 0.0002515 0.7 AML other m 2020-05-15T14:27:36.75
IV.FDMO.HHE. ML:2.3 0.00017999999999999998 0.38 AML other m 2020-05-15T14:27:37.39
IV.PIEI.HHN. ML:2.3 0.00019250000000000002 0.9 AML other m 2020-05-15T14:27:37.44
IV.APEC.HHE. ML:2.6 0.000352 0.92 AML other m 2020-05-15T14:27:38.89
IV.PARC.HHE. ML:2.6 0.000382 1.08 AML other m 2020-05-15T14:27:38.94
IV.CRE.HHN. ML:2.4 0.0002165 1.72 AML other m 2020-05-15T14:27:39.03
IV.APEC.HHN. ML:2.7 0.0005064999999999999 0.54 AML other m 2020-05-15T14:27:39.51
IV.CSP1.EHN. ML:2.7 0.0004555 1.46 AML other m 2020-05-15T14:27:39.23
IV.PARC.HHN. ML:2.6 0.000317 0.6 AML other m 2020-05-15T14:27:40.41
IV.CSP1.EHE. ML:2.4 0.00023299999999999997 1.52 AML other m 2020-05-15T14:27:40.81
IV.MPAG.EHN. ML:2.3 0.00013550000000000001 0.8 AML other m 2020-05-15T14:27:45.71
IV.MPAG.EHE. ML:2.2 0.000118 0.42 AML other m 2020-05-15T14:27:45.88
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
Waveforms Seismic signals in miniseed + resp format Download