Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 10-03-2020 and time 20:49:17 (UTC) in region 1 km NW Sant'Anatolia di Narco (PG)

A magnitude ML 1.6 earthquake occured in region: 1 km NW Sant'Anatolia di Narco (PG), on

  • 10-03-2020 20:49:17 (UTC)
  • 10-03-2020 21:49:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7400, 12.8260 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.

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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
Sant'Anatolia di Narco PG 1 564 564
Scheggino PG 3 461 1025
Vallo di Nera PG 5 364 1389
Spoleto PG 7 38218 39607
Poggiodomo PG 9 117 39724
Campello sul Clitunno PG 10 2442 42166
Cerreto di Spoleto PG 12 1075 43241
Ferentillo TR 14 1913 45154
Monteleone di Spoleto PG 14 599 45753
Cascia PG 16 3217 48970
Castel Ritaldi PG 16 3278 52248
Montefranco TR 17 1276 53524
Trevi PG 17 8469 61993
Polino TR 17 233 62226
Arrone TR 18 2763 64989
Sellano PG 19 1079 66068

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Terni (111501 inhabitants)
26 Km SE of Foligno (57155 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
69 Km NE of Viterbo (67173 inhabitants)
72 Km W of Teramo (54892 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
98 Km N of Roma (2864731 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 2020-03-10
20:49:17		 42.7397 12.8262 8 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77559671
Reviewed
Rev100 		ML 1.7 2020-03-10
20:49:17		 42.7398 12.8258 10 2020-03-10
20:58:45		 Sala Sismica INGV-Roma 77176611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-10 20:49:17 ± 0.05
Latitude 42.7397 ± 0.0018
Longitude 12.8262 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77559671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 241
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.16637
Epicentral distance of station farthest from the epicenter (degree) 0.76262
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 77176611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-10 20:58:45

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 77559671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-25 10:50:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-03-10T20:49:43.68 0.1 undecidable manual S 6 84.6486 50 0.7 75
IV.SSFR.HHZ. 2020-03-10T20:49:41.80 0.1 undecidable manual S 357 77.367 50 0.77 74
IV.ATMI.HHZ. 2020-03-10T20:49:41.77 0.3 undecidable manual S 326 79.9644 50 0.04 68
IV.EL6.EHZ. 2020-03-10T20:49:39.39 0.1 undecidable manual S 19 69.0753 50 0.56 82
IV.TERO.HHZ. 2020-03-10T20:49:37.92 0.3 undecidable manual S 101 64.7907 50 0.26 66
IV.MURB.HHZ. 2020-03-10T20:49:37.61 0.1 undecidable manual S 337 62.9925 50 0.41 86
IV.MF5.EHZ. 2020-03-10T20:49:36.80 0.1 undecidable manual S 62 58.3971 50 0.82 75
IV.FOSV.EHZ. 2020-03-10T20:49:36.12 0.1 undecidable manual S 355 61.7937 50 -0.76 76
IV.GUMA.HHZ. 2020-03-10T20:49:35.36 0.1 undecidable manual S 49 54.7008 50 0.37 88
IV.FIAM.HHZ. 2020-03-10T20:49:35.43 0.1 undecidable manual S 155 57.498 50 -0.29 89
IV.ATCC.EHZ. 2020-03-10T20:49:34.24 0.1 undecidable manual S 343 51.7038 50 0.07 95
IT.MMP1.HGE. 2020-03-10T20:49:34.71 0.3 undecidable manual S 187 54.8007 50 -0.29 67
IV.CSP1.EHZ. 2020-03-10T20:49:33.52 0.1 undecidable manual S 38 49.7169 50 -0.13 94
IV.SMA1.EHZ. 2020-03-10T20:49:32.56 0.1 undecidable manual S 106 43.2234 50 0.64 83
IV.MTRA.EHE. 2020-03-10T20:49:32.79 0.3 undecidable manual S 87 46.5201 50 0 72
IV.MMO1.EHZ. 2020-03-10T20:49:32.00 0.1 undecidable manual S 66 44.4222 50 -0.24 92
IV.RM33.EHZ. 2020-03-10T20:49:31.05 0.1 undecidable manual S 129 40.7259 50 -0.21 94
IV.ARVD.HHZ. 2020-03-10T20:49:31.81 0.1 undecidable manual P 6 84.6486 50 -0.3 85
IV.ATMI.HHZ. 2020-03-10T20:49:31.42 0.3 undecidable manual P 326 79.9644 50 0.02 68
IV.MML1.HNE. 2020-03-10T20:49:31.90 0.1 undecidable manual S 16 43.1235 50 0.01 97
IV.T1299.HNN. 2020-03-10T20:49:30.94 0.1 undecidable manual S 107 39.0276 50 0.15 95
IV.FDMO.HHZ. 2020-03-10T20:49:30.55 0.1 undecidable manual S 33 39.1275 50 -0.29 92
IV.SSFR.HHZ. 2020-03-10T20:49:30.84 0.1 undecidable manual P 357 77.367 50 -0.15 89
IV.MC2.EHZ. 2020-03-10T20:49:29.58 0.1 undecidable manual S 57 35.1426 50 -0.18 95
IV.EL6.EHZ. 2020-03-10T20:49:29.43 0.1 positive manual P 19 69.0753 50 -0.29 87
IV.TERO.HHZ. 2020-03-10T20:49:28.65 0.1 undecidable manual P 101 64.7907 50 -0.4 86
IV.FOSV.EHZ. 2020-03-10T20:49:28.49 0.1 positive manual P 355 61.7937 50 -0.1 92
IV.CESI.HHZ. 2020-03-10T20:49:28.05 0.1 undecidable manual S 12 30.1476 105 -0.06 98
IV.MURB.HHZ. 2020-03-10T20:49:28.96 0.1 undecidable manual P 337 62.9925 50 0.18 90
IV.SAP2.EHZ. 2020-03-10T20:49:28.53 0.3 undecidable manual P 49 61.0944 50 0.04 70
IV.FEMA.HNE. 2020-03-10T20:49:28.19 0.1 undecidable manual S 36 30.6471 105 -0.1 97
IV.MGAB.HHZ. 2020-03-10T20:49:28.46 0.1 undecidable manual P 289 61.1943 50 -0.04 93
IT.MTCL.HGZ. 2020-03-10T20:49:28.39 0.1 undecidable manual S 26 31.5462 105 -0.19 96
IV.MF5.EHZ. 2020-03-10T20:49:28.76 0.1 undecidable manual P 62 58.3971 50 0.69 79
IT.FOPC.HGE. 2020-03-10T20:49:27.09 0.3 undecidable manual S 339 27.4503 107 -0.11 73
IV.GUMA.HHZ. 2020-03-10T20:49:27.65 0.1 positive manual P 49 54.7008 50 0.14 93
IV.FIAM.HHZ. 2020-03-10T20:49:27.82 0.1 undecidable manual P 155 57.498 50 -0.11 93
IT.MMP1.HGE. 2020-03-10T20:49:27.29 0.3 undecidable manual P 187 54.8007 50 -0.22 68
IT.TRN1.HGZ. 2020-03-10T20:49:26.75 0.3 undecidable manual S 216 24.9528 108 0.37 70
IV.CSP1.EHZ. 2020-03-10T20:49:26.64 0.1 positive manual P 38 49.7169 50 -0.09 94
IV.LNSS.HHZ. 2020-03-10T20:49:26.07 0.1 undecidable manual S 131 23.1546 109 0.27 95
IV.ATCC.EHZ. 2020-03-10T20:49:26.79 0.1 undecidable manual P 343 51.7038 50 -0.25 91
IV.CESX.HHZ. 2020-03-10T20:49:26.00 0.1 undecidable manual S 233 24.3534 109 -0.19 97
IV.MTRA.EHE. 2020-03-10T20:49:26.20 0.3 undecidable manual P 87 46.5201 50 -0.04 72
IV.NRCA.HHZ. 2020-03-10T20:49:26.61 0.1 undecidable manual S 66 25.6521 108 -0.02 100
IT.GNU.HGN. 2020-03-10T20:49:25.78 0.3 undecidable manual S 289 22.0668 110 0.35 70
IV.SMA1.EHZ. 2020-03-10T20:49:25.65 0.1 negative manual P 106 43.2234 50 -0.09 96
IV.MMO1.EHZ. 2020-03-10T20:49:25.72 0.1 undecidable manual P 66 44.4222 50 -0.2 93
IV.MML1.HNE. 2020-03-10T20:49:25.36 0.1 positive manual P 16 43.1235 50 -0.36 90
IV.FDMO.HHZ. 2020-03-10T20:49:24.77 0.1 positive manual P 33 39.1275 50 -0.34 91
IV.RM33.EHZ. 2020-03-10T20:49:24.97 0.1 negative manual P 129 40.7259 50 -0.38 90
IV.T1299.HNN. 2020-03-10T20:49:24.93 0.1 negative manual P 107 39.0276 50 -0.15 95
IV.ARRO.EHZ. 2020-03-10T20:49:24.62 0.1 undecidable manual S 196 18.4704 114 0.32 95
IV.MC2.EHZ. 2020-03-10T20:49:24.50 0.1 undecidable manual P 57 35.1426 50 0.01 98
IT.MTCL.HGZ. 2020-03-10T20:49:23.58 0.1 undecidable manual P 26 31.5462 105 -0.23 95
IT.FOPC.HGE. 2020-03-10T20:49:23.20 0.3 undecidable manual P 339 27.4503 107 0.19 72
IV.CESI.HHZ. 2020-03-10T20:49:23.44 0.1 positive manual P 12 30.1476 105 -0.09 98
IV.FEMA.HNE. 2020-03-10T20:49:23.55 0.1 undecidable manual P 36 30.6471 105 -0.09 98
IV.NRCA.HHZ. 2020-03-10T20:49:22.80 0.1 undecidable manual P 66 25.6521 108 0.12 98
IT.GNU.HGN. 2020-03-10T20:49:22.14 0.3 undecidable manual P 289 22.0668 110 0.15 73
IT.TRN1.HGZ. 2020-03-10T20:49:22.19 0.3 undecidable manual P 216 24.9528 108 -0.35 70
IV.LNSS.HHZ. 2020-03-10T20:49:22.35 0.1 negative manual P 131 23.1546 109 0.15 98
IV.CESX.HHZ. 2020-03-10T20:49:22.40 0.1 positive manual P 233 24.3534 109 -0.03 100
IV.ARRO.EHZ. 2020-03-10T20:49:21.70 0.1 positive manual P 196 18.4704 114 0.37 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.1 0.00010798387500000001 0.1408 AML other m 2020-03-10T20:49:24.87
IV.ARRO.EHE. ML:1.7 0.00038552065000000004 0.2432 AML other m 2020-03-10T20:49:24.98
IV.LNSS.HNE. ML:1.9 0.0005154994999999999 0.2176 AML other m 2020-03-10T20:49:26.40
IV.LNSS.HNN. ML:2.1 0.0007546306 0.1408 AML other m 2020-03-10T20:49:26.95
IV.LNSS.HHE. ML:1.9 0.00053872265 0.2176 AML other m 2020-03-10T20:49:26.40
IV.LNSS.HHN. ML:2.1 0.0007867386499999999 0.1408 AML other m 2020-03-10T20:49:26.88
IV.CESX.HHE. ML:1.6 0.00023589319999999997 0.2816 AML other m 2020-03-10T20:49:26.26
IV.CESX.HHN. ML:1.9 0.00045661785 0.32 AML other m 2020-03-10T20:49:27.14
IV.NRCA.HHN. ML:1.9 0.0004571318 0.128 AML other m 2020-03-10T20:49:27.40
IV.NRCA.HNN. ML:1.9 0.00043581144999999997 0.1408 AML other m 2020-03-10T20:49:27.41
IV.CESI.HNE. ML:1.7 0.00023233525 0.2688 AML other m 2020-03-10T20:49:28.35
IV.CESI.HHE. ML:1.7 0.0002637168 0.2688 AML other m 2020-03-10T20:49:28.35
IV.FDMO.HHE. ML:1.6 0.0001321912 0.192 AML other m 2020-03-10T20:49:31.44
IV.RM33.EHN. ML:1.3 0.000064378925 0.2048 AML other m 2020-03-10T20:49:31.75
IV.SMA1.EHE. ML:1.4 0.00007479217000000001 0.256 AML other m 2020-03-10T20:49:33.31
IV.SMA1.EHN. ML:1.4 0.00007420757 0.3072 AML other m 2020-03-10T20:49:33.39
IV.CSP1.EHE. ML:1.6 0.00011084986 0.2304 AML other m 2020-03-10T20:49:34.84
IV.ATCC.EHN. ML:2.0 0.000224766 0.2944 AML other m 2020-03-10T20:49:34.75
IV.ATCC.EHE. ML:1.7 0.000126972645 0.256 AML other m 2020-03-10T20:49:34.64
IV.GUMA.HHE. ML:1.8 0.00016179830000000002 0.4352 AML other m 2020-03-10T20:49:35.97
IV.GUMA.HHN. ML:1.8 0.00015592235 0.4864 AML other m 2020-03-10T20:49:37.15
IV.FIAM.HHE. ML:1.1 0.000029284335000000003 0.2816 AML other m 2020-03-10T20:49:36.38
IV.MGAB.HHN. ML:1.2 0.00003365397 0.1408 AML other m 2020-03-10T20:49:38.39
IV.MGAB.HNN. ML:1.2 0.00003249462 0.1664 AML other m 2020-03-10T20:49:38.40
IV.TERO.HHE. ML:1.1 0.0000245263 0.1408 AML other m 2020-03-10T20:49:40.07
IV.MF5.EHN. ML:1.5 0.00007227266000000001 0.3456 AML other m 2020-03-10T20:49:37.46
IV.MURB.HNE. ML:1.9 0.00013885286000000002 0.256 AML other m 2020-03-10T20:49:39.36
IV.EL6.EHN. ML:1.6 0.00006935986100000001 0.1792 AML other m 2020-03-10T20:49:40.35
IV.EL6.EHE. ML:1.5 0.000053971330000000005 0.1152 AML other m 2020-03-10T20:49:40.83
IV.SSFR.HHE. ML:1.6 0.000053040920000000004 0.1792 AML other m 2020-03-10T20:49:42.76
IV.SSFR.HHN. ML:1.6 0.000055422815 0.1408 AML other m 2020-03-10T20:49:42.75
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