Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-03-2017 and time 03:57:02 (Italy) in region 2 km NE Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 2 km NE Norcia (PG), on

  • 04-03-2017 02:57:02 (UTC)
  • 04-03-2017 03:57:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8100, 13.1060 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Ussita MC 15 444 10730
Cerreto di Spoleto PG 15 1075 11805
Arquata del Tronto AP 16 1178 12983
Sellano PG 17 1079 14062
Accumoli RI 17 667 14729
Poggiodomo PG 18 117 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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
Reviewed
Rev100 		ML 1.3 2017-03-04
02:57:02		 42.8098 13.1058 11 2017-03-04
03:02:30		 Sala Sismica INGV-Roma 41932451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-04 02:57:02 ± 0.06
Latitude 42.8098 ± 0.0027
Longitude 13.1058 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41932451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.56927
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 41932451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-04 03:02:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2017-03-04T02:57:20.84 3.0 undecidable manual S 360 57.5979 90 0.62 0
IV.ASSB.HHZ. 2017-03-04T02:57:17.35 0.6 undecidable manual S 306 44.5221 91 0.62 41
IV.T1247.HHZ. 2017-03-04T02:57:17.07 0.3 undecidable manual S 159 43.8228 91 0.55 63
IV.TERO.HHZ. 2017-03-04T02:57:16.68 0.6 undecidable manual S 117 45.621 90 -0.33 45
IV.T1220.EHZ. 2017-03-04T02:57:14.10 0.6 undecidable manual S 358 33.3444 91 0.37 45
IV.RM33.EHZ. 2017-03-04T02:57:14.04 0.6 undecidable manual S 165 34.5432 91 -0.01 49
IV.GUMA.HHZ. 2017-03-04T02:57:14.23 0.6 undecidable manual S 34 33.6441 91 0.41 45
IV.T1211.EHZ. 2017-03-04T02:57:14.78 0.6 undecidable manual S 214 36.9297 91 0.09 47
IV.FIAM.HHZ. 2017-03-04T02:57:13.09 1.0 positive manual P 179 60.0954 90 0.03 23
IV.CSP1.EHZ. 2017-03-04T02:57:13.36 0.6 undecidable manual S 14 32.3454 91 -0.09 48
IV.CING.HHZ. 2017-03-04T02:57:13.74 0.6 undecidable manual P 7 63.1923 90 0.21 44
IV.FOSV.EHZ. 2017-03-04T02:57:13.63 1.0 positive manual P 333 60.5949 90 0.49 21
IV.EL6.EHZ. 2017-03-04T02:57:12.34 0.1 undecidable manual P 360 57.5979 90 -0.34 88
IV.T1219.EHZ. 2017-03-04T02:57:12.26 0.6 undecidable manual S 343 28.4493 91 -0.18 48
IV.LNSS.HHZ. 2017-03-04T02:57:11.01 0.6 undecidable manual S 193 23.5542 92 -0.12 49
IV.T1299.EHZ. 2017-03-04T02:57:11.46 0.6 undecidable manual S 144 24.2535 91 0.16 48
IV.SNTG.HHZ. 2017-03-04T02:57:11.98 0.6 undecidable manual P 345 51.2154 90 0.3 44
IV.FDMO.HHZ. 2017-03-04T02:57:11.24 0.6 undecidable manual S 357 25.1526 91 -0.32 47
IV.T1241.EHZ. 2017-03-04T02:57:11.88 0.6 undecidable manual S 79 26.9508 91 -0.15 48
IV.TERO.HHZ. 2017-03-04T02:57:10.47 0.6 positive manual P 117 45.621 90 -0.35 45
IV.ASSB.HHZ. 2017-03-04T02:57:10.69 0.3 undecidable manual P 306 44.5221 91 0.03 71
IV.MOMA.HHZ. 2017-03-04T02:57:10.78 1.0 undecidable manual P 269 43.623 91 0.26 23
IV.MMO1.EHZ. 2017-03-04T02:57:10.06 0.6 undecidable manual S 61 20.5683 92 -0.26 47
IV.T1256.HHZ. 2017-03-04T02:57:10.89 0.6 undecidable manual S 24 23.8539 92 -0.32 47
IV.T1247.HHZ. 2017-03-04T02:57:10.45 0.1 undecidable manual P 159 43.8228 91 -0.09 95
IV.GUMA.HHZ. 2017-03-04T02:57:09.18 0.1 undecidable manual P 34 33.6441 91 0.19 94
IV.T1211.EHZ. 2017-03-04T02:57:09.23 1.0 undecidable manual P 214 36.9297 91 -0.25 23
IV.T1217.EHZ. 2017-03-04T02:57:09.25 0.6 undecidable manual S 233 17.871 93 -0.36 47
IV.T1215.EHZ. 2017-03-04T02:57:09.51 0.6 undecidable manual S 267 19.3695 93 -0.49 46
IV.MC2.EHZ. 2017-03-04T02:57:08.79 0.6 undecidable manual S 31 13.1757 106 0.43 46
IV.CSP1.EHZ. 2017-03-04T02:57:08.60 0.1 undecidable manual P 14 32.3454 91 -0.17 95
IV.T1219.EHZ. 2017-03-04T02:57:08.02 0.6 negative manual P 343 28.4493 91 -0.17 48
IV.T1220.EHZ. 2017-03-04T02:57:08.90 0.1 undecidable manual P 358 33.3444 91 -0.04 98
IV.RM33.EHZ. 2017-03-04T02:57:08.99 0.6 positive manual P 165 34.5432 91 -0.13 48
IV.FDMO.HHZ. 2017-03-04T02:57:07.22 1.0 negative manual P 357 25.1526 91 -0.46 23
IV.T1256.HHZ. 2017-03-04T02:57:07.28 1.0 undecidable manual P 24 23.8539 92 -0.2 24
IV.T1241.EHZ. 2017-03-04T02:57:07.74 0.3 positive manual P 79 26.9508 91 -0.21 72
IV.LNSS.HHZ. 2017-03-04T02:57:07.33 0.3 undecidable manual P 193 23.5542 92 -0.1 74
IV.T1245.HHZ. 2017-03-04T02:57:07.22 0.6 undecidable manual S 52 8.4804 130 -0.04 50
IV.T1299.EHZ. 2017-03-04T02:57:07.57 0.6 positive manual P 144 24.2535 91 0.04 49
IV.T1216.EHZ. 2017-03-04T02:57:07.89 0.6 undecidable manual S 322 11.3775 115 -0.04 50
IV.T1215.EHZ. 2017-03-04T02:57:06.70 0.1 positive manual P 267 19.3695 93 -0.08 100
IV.MMO1.EHZ. 2017-03-04T02:57:06.74 0.6 positive manual P 61 20.5683 92 -0.22 48
IV.T1217.EHZ. 2017-03-04T02:57:06.52 0.6 undecidable manual P 233 17.871 93 -0.04 50
IV.T1245.HHZ. 2017-03-04T02:57:05.11 1.0 undecidable manual P 52 8.4804 130 -0.09 26
IV.T1216.EHZ. 2017-03-04T02:57:05.58 0.6 negative manual P 322 11.3775 115 0 50
IV.MC2.EHZ. 2017-03-04T02:57:05.89 0.1 positive manual P 31 13.1757 106 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.3 0.000053099999999999996 0.16 AML other m 2017-03-04T02:57:18.87
IV.ASSB.HHE. ML:1.1 0.0000415 0.74 AML other m 2017-03-04T02:57:19.03
IV.CING.HHN. ML:1.2 0.000027950000000000002 0.94 AML other m 2017-03-04T02:57:23.56
IV.CING.HHE. ML:1.2 0.00003225 0.78 AML other m 2017-03-04T02:57:25.92
IV.FDMO.HHN. ML:1.5 0.000177 1 AML other m 2017-03-04T02:57:11.06
IV.FDMO.HHE. ML:1.3 0.0001135 0.66 AML other m 2017-03-04T02:57:11.94
IV.GUMA.HHE. ML:1.6 0.00017999999999999998 0.48 AML other m 2017-03-04T02:57:19.05
IV.GUMA.HHN. ML:1.6 0.000174 0.34 AML other m 2017-03-04T02:57:17.38
IV.MOMA.HHE. ML:1.2 0.000051750000000000004 0.54 AML other m 2017-03-04T02:57:18.49
IV.MOMA.HHN. ML:1.1 0.0000395 0.64 AML other m 2017-03-04T02:57:17.55
IV.RM33.EHN. ML:1.2 0.0000642 1.04 AML other m 2017-03-04T02:57:14.88
IV.RM33.EHE. ML:1.4 0.0000882 1.04 AML other m 2017-03-04T02:57:15.69
IV.T1211.EHN. ML:1.6 0.00015899999999999996 0.34 AML other m 2017-03-04T02:57:15.67
IV.T1211.EHE. ML:1.4 0.00010455000000000001 1.14 AML other m 2017-03-04T02:57:15.27
IV.T1215.EHN. ML:1.4 0.000185 0.08 AML other m 2017-03-04T02:57:09.93
IV.T1215.EHE. ML:1.3 0.000152 0.08 AML other m 2017-03-04T02:57:10.21
IV.T1216.EHE. ML:1.3 0.0002275 0.38 AML other m 2017-03-04T02:57:08.57
IV.T1216.EHN. ML:1.3 0.00021250000000000002 1.4 AML other m 2017-03-04T02:57:08.18
IV.T1217.EHE. ML:1.4 0.00017350000000000002 1.28 AML other m 2017-03-04T02:57:10.01
IV.T1217.HNE. ML:1.4 0.0001955 1.28 AML other m 2017-03-04T02:57:10.01
IV.T1217.EHN. ML:1.4 0.00019350000000000001 0.62 AML other m 2017-03-04T02:57:10.39
IV.T1217.HNN. ML:1.7 0.0003945 0.4 AML other m 2017-03-04T02:57:16.57
IV.T1241.EHN. ML:1.0 0.0000625 0.34 AML other m 2017-03-04T02:57:14.62
IV.T1241.EHE. ML:1.2 0.0000811 0.46 AML other m 2017-03-04T02:57:13.46
IV.T1247.HHE. ML:1.4 0.00007185 0.94 AML other m 2017-03-04T02:57:19.52
IV.T1247.HHN. ML:1.4 0.00007085 0.9 AML other m 2017-03-04T02:57:22.15
IV.T1256.HHN. ML:1.4 0.0001395 0.74 AML other m 2017-03-04T02:57:12.11
IV.T1256.HHE. ML:1.4 0.0001585 0.76 AML other m 2017-03-04T02:57:11.70
IV.T1299.EHE. ML:1.1 0.00007785000000000001 0.54 AML other m 2017-03-04T02:57:11.70
IV.T1299.EHN. ML:1.3 0.00010800000000000001 0.52 AML other m 2017-03-04T02:57:12.35
IV.TERO.HHN. ML:1.4 0.00006335000000000001 0.6 AML other m 2017-03-04T02:57:17.62
IV.TERO.HHE. ML:1.2 0.000050549999999999995 0.76 AML other m 2017-03-04T02:57:18.42
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