Earthquake with magnitude of ML 1.9 on date 25-03-2020 and time 04:31:05 (UTC) in region 2 km W Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 2 km W Norcia (PG), on

  • 25-03-2020 04:31:05 (UTC)
  • 25-03-2020 05:31:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 13.0650 at 9 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
Norcia PG 2 4957 4957
Cascia PG 9 3217 8174
Preci PG 10 724 8898
Cerreto di Spoleto PG 12 1075 9973
Castelsantangelo sul Nera MC 13 281 10254
Poggiodomo PG 14 117 10371
Sellano PG 15 1079 11450
Visso MC 15 1107 12557
Vallo di Nera PG 17 364 12921
Ussita MC 18 444 13365
Monteleone di Spoleto PG 18 599 13964
Accumoli RI 19 667 14631
Arquata del Tronto AP 19 1178 15809
Sant'Anatolia di Narco PG 20 564 16373

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 1.9 2020-03-25
04:31:05
42.7953 13.0647 9 2020-07-18
21:08:37
Bollettino Sismico Italiano INGV 79620851
Reviewed
Rev100
ML 1.9 2020-03-25
04:31:05
42.7948 13.0607 10 2020-03-25
04:39:03
Sala Sismica INGV-Roma 77550331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 04:31:05 ± 0.05
Latitude 42.7953 ± 0.0027
Longitude 13.0647 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79620851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 58
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) 0.69787
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 79620851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 16:39:29

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 77550331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 04:39:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-03-25T04:31:35.17 3.0 undecidable manual Pn 0.56 0
IV.EL6.EHZ. 2020-03-25T04:31:25.03 0.3 undecidable manual S 3 59.2962 50 0.28 67
IV.ATCC.EHZ. 2020-03-25T04:31:24.10 0.3 undecidable manual S 322 55.3002 50 0.42 66
IV.SNTG.HHZ. 2020-03-25T04:31:23.07 0.3 undecidable manual S 349 52.0035 50 0.27 68
IV.TERO.HHZ. 2020-03-25T04:31:21.58 0.3 undecidable manual S 113 47.9187 50 -0.15 70
IV.SAP2.EHZ. 2020-03-25T04:31:21.30 0.3 undecidable manual S 39 43.0236 50 0.88 56
IV.CESX.HHE. 2020-03-25T04:31:20.94 0.6 undecidable manual S 242 44.1225 50 0.23 46
IV.MOMA.HHZ. 2020-03-25T04:31:20.10 0.3 undecidable manual S 271 40.2264 50 0.43 67
IT.GNU.HGE. 2020-03-25T04:31:20.07 0.6 undecidable manual S 271 40.2264 50 0.4 45
IV.CAMP.HHZ. 2020-03-25T04:31:19.44 0.6 undecidable manual S 136 40.2264 50 -0.23 47
IV.SSFR.HHZ. 2020-03-25T04:31:19.26 0.3 undecidable manual P 342 74.6697 50 0.07 68
IV.MF5.EHZ. 2020-03-25T04:31:19.66 0.3 undecidable manual S 56 38.5281 50 0.44 67
IV.VCEL.EHZ. 2020-03-25T04:31:19.93 0.3 undecidable manual P 125 77.4669 50 0.32 64
IV.PF6.EHN. 2020-03-25T04:31:18.82 0.3 undecidable manual S 15 39.4272 50 -0.63 63
IT.FOPC.HGN. 2020-03-25T04:31:18.46 0.6 undecidable manual S 303 35.1426 50 0.15 48
IV.MURB.HHZ. 2020-03-25T04:31:18.13 0.3 undecidable manual P 320 67.8765 50 -0.01 70
IV.GUMA.HHZ. 2020-03-25T04:31:18.95 0.3 undecidable manual S 36 36.9297 50 0.17 71
IV.MML1.HNE. 2020-03-25T04:31:17.97 0.6 undecidable manual S 348 36.0417 50 -0.59 43
IV.RM33.EHZ. 2020-03-25T04:31:17.71 0.3 undecidable manual S 159 34.0437 50 -0.31 70
IV.FOSV.EHZ. 2020-03-25T04:31:16.84 0.3 undecidable manual P 336 60.5949 50 -0.18 68
IV.ATCC.EHZ. 2020-03-25T04:31:16.02 0.1 undecidable manual P 322 55.3002 50 -0.18 92
IV.SMA1.EHZ. 2020-03-25T04:31:16.60 0.3 undecidable manual S 130 28.6491 107 0.22 72
IV.EL6.EHZ. 2020-03-25T04:31:16.59 0.1 undecidable manual P 3 59.2962 50 -0.23 90
IV.MNTT.EHZ. 2020-03-25T04:31:16.93 0.3 undecidable manual P 55 52.3032 50 1.19 48
IV.CESI.HHZ. 2020-03-25T04:31:15.41 0.6 undecidable manual S 331 26.6511 108 -0.3 47
IV.MTRA.EHZ. 2020-03-25T04:31:15.63 0.3 undecidable manual S 99 27.3504 108 -0.32 70
IV.T1299.HNN. 2020-03-25T04:31:15.74 0.6 undecidable manual S 135 25.1526 109 0.5 45
IV.FDMO.HHZ. 2020-03-25T04:31:15.37 0.6 undecidable manual S 4 26.8509 108 -0.4 46
IV.SNTG.HHZ. 2020-03-25T04:31:15.34 0.1 undecidable manual P 349 52.0035 50 -0.35 89
IT.GNU.HGE. 2020-03-25T04:31:14.03 0.3 undecidable manual P 271 40.2264 50 0.15 71
IV.TERO.HHZ. 2020-03-25T04:31:14.69 0.1 undecidable manual P 113 47.9187 50 -0.38 89
IT.MTCL.HGZ. 2020-03-25T04:31:14.10 0.3 undecidable manual S 346 22.6551 111 -0.31 71
IV.SAP2.EHZ. 2020-03-25T04:31:14.54 1.0 positive manual P 39 43.0236 50 0.22 23
IV.MOMA.HHZ. 2020-03-25T04:31:14.03 0.1 undecidable manual P 271 40.2264 50 0.15 95
IV.CESX.HHE. 2020-03-25T04:31:14.13 0.3 undecidable manual P 242 44.1225 50 -0.35 68
IV.MMO1.EHZ. 2020-03-25T04:31:14.66 0.6 undecidable manual S 62 24.2535 110 -0.27 48
IV.LNSS.HHZ. 2020-03-25T04:31:14.00 0.3 undecidable manual S 185 21.4674 112 -0.03 76
IV.GUMA.HHZ. 2020-03-25T04:31:13.41 0.1 positive manual P 36 36.9297 50 0.04 98
IV.CAMP.HHZ. 2020-03-25T04:31:13.54 0.1 undecidable manual P 136 40.2264 50 -0.34 91
IV.PF6.EHN. 2020-03-25T04:31:13.36 0.3 undecidable manual P 15 39.4272 50 -0.39 68
IT.FOPC.HGN. 2020-03-25T04:31:13.04 0.1 undecidable manual P 303 35.1426 50 -0.06 98
IV.MF5.EHZ. 2020-03-25T04:31:13.53 0.1 undecidable manual P 56 38.5281 50 -0.09 97
IV.ARRO.EHZ. 2020-03-25T04:31:13.00 0.3 undecidable manual P 226 34.2435 50 0.05 74
IV.FEMA.HNE. 2020-03-25T04:31:13.05 0.3 undecidable manual S 356 18.5703 116 -0.05 76
IV.RM33.EHZ. 2020-03-25T04:31:12.57 0.6 positive manual P 159 34.0437 50 -0.36 46
IV.MML1.HNE. 2020-03-25T04:31:12.93 0.1 undecidable manual P 348 36.0417 50 -0.31 93
IV.MC2.EHZ. 2020-03-25T04:31:12.80 0.3 undecidable manual S 38 16.3725 118 0.37 71
IV.MTRA.EHZ. 2020-03-25T04:31:11.56 0.1 positive manual P 99 27.3504 108 -0.18 97
IV.CESI.HHZ. 2020-03-25T04:31:11.49 0.1 undecidable manual P 331 26.6511 108 -0.1 98
IV.FDMO.HHZ. 2020-03-25T04:31:11.49 0.1 positive manual P 4 26.8509 108 -0.14 98
IV.T1299.HNN. 2020-03-25T04:31:11.46 0.1 undecidable manual P 135 25.1526 109 0.14 98
IV.MMO1.EHZ. 2020-03-25T04:31:11.06 0.1 positive manual P 62 24.2535 110 -0.09 99
IV.SMA1.EHZ. 2020-03-25T04:31:11.87 0.3 positive manual P 130 28.6491 107 -0.11 73
IV.MC2.EHZ. 2020-03-25T04:31:10.04 0.3 positive manual P 38 16.3725 118 0.34 71
IV.FEMA.HNE. 2020-03-25T04:31:10.29 0.1 undecidable manual P 356 18.5703 116 0.2 98
IV.LNSS.HHZ. 2020-03-25T04:31:10.74 0.1 positive manual P 185 21.4674 112 0.12 99
IT.MTCL.HGZ. 2020-03-25T04:31:10.79 0.1 undecidable manual P 346 22.6551 111 -0.05 100
IV.NRCA.HNZ. 2020-03-25T04:31:09.80 0.3 undecidable manual S 44 5.8941 147 0.15 76
IV.NRCA.HNZ. 2020-03-25T04:31:08.45 0.1 negative manual P 44 5.8941 147 0.35 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.6 0.00672 0.16 AML other m 2020-03-25T04:31:09.96
IV.NRCA.HHE. ML:2.6 0.007130000000000001 0.16 AML other m 2020-03-25T04:31:09.96
IV.NRCA.HHN. ML:2.5 0.005550000000000001 0.14 AML other m 2020-03-25T04:31:10.46
IV.NRCA.HNN. ML:2.4 0.00483 0.14 AML other m 2020-03-25T04:31:10.46
IV.LNSS.HNE. ML:2.1 0.000959 0.12 AML other m 2020-03-25T04:31:14.40
IV.LNSS.HHE. ML:2.2 0.00106 0.14 AML other m 2020-03-25T04:31:14.40
IV.LNSS.HHN. ML:2.3 0.0014849999999999998 0.16 AML other m 2020-03-25T04:31:14.66
IV.LNSS.HNN. ML:2.3 0.00135 0.14 AML other m 2020-03-25T04:31:14.67
IV.FDMO.HHE. ML:1.9 0.00043500000000000006 0.18 AML other m 2020-03-25T04:31:15.59
IV.CESI.HNE. ML:1.7 0.0003105 0.32 AML other m 2020-03-25T04:31:15.74
IV.FDMO.HHN. ML:2.0 0.000488 0.22 AML other m 2020-03-25T04:31:15.71
IV.CESI.HHN. ML:2.1 0.0007019999999999999 0.46 AML other m 2020-03-25T04:31:15.75
IV.CESI.HNN. ML:2.1 0.0006775 0.34 AML other m 2020-03-25T04:31:15.76
IV.MTRA.EHE. ML:1.8 0.000326 0.22 AML other m 2020-03-25T04:31:16.19
IV.MTRA.EHN. ML:1.8 0.0003495 1.2 AML other m 2020-03-25T04:31:16.90
IV.MTRA.HNN. ML:1.9 0.000391 0.42 AML other m 2020-03-25T04:31:17.10
IV.CESI.HHE. ML:1.7 0.0002935 1.56 AML other m 2020-03-25T04:31:17.12
IV.MTRA.HNE. ML:1.9 0.00039150000000000003 0.68 AML other m 2020-03-25T04:31:17.19
IV.RM33.EHN. ML:1.7 0.0002165 0.46 AML other m 2020-03-25T04:31:17.93
IV.ARRO.EHE. ML:1.4 0.00011115 1.14 AML other m 2020-03-25T04:31:18.97
IV.SMA1.EHN. ML:1.8 0.000307 0.56 AML other m 2020-03-25T04:31:18.81
IV.RM33.EHE. ML:1.6 0.0001795 0.82 AML other m 2020-03-25T04:31:19.57
IV.ARRO.EHN. ML:1.4 0.00010965 1.42 AML other m 2020-03-25T04:31:20.75
IV.SMA1.EHE. ML:1.8 0.0003035 0.94 AML other m 2020-03-25T04:31:20.18
IV.MOMA.HHE. ML:1.7 0.0001665 1.12 AML other m 2020-03-25T04:31:20.95
IV.MOMA.HHN. ML:1.6 0.000134 1.1 AML other m 2020-03-25T04:31:21.15
IV.SAP2.EHE. ML:1.9 0.0002295 0.12 AML other m 2020-03-25T04:31:21.40
IV.SAP2.EHN. ML:2.7 0.00178 0.18 AML other m 2020-03-25T04:31:21.32
IV.GUMA.HHE. ML:2.0 0.0003625 0.62 AML other m 2020-03-25T04:31:24.61
IV.GUMA.HHN. ML:1.9 0.00033499999999999996 1.3 AML other m 2020-03-25T04:31:25.06
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