Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-03-2017 and time 22:25:35 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 6 km E Norcia (PG), on

  • 03-03-2017 21:25:35 (UTC)
  • 03-03-2017 22:25:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.1630 at 10 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.

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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
Norcia PG 6 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Arquata del Tronto AP 12 1178 6416
Preci PG 13 724 7140
Accumoli RI 14 667 7807
Montegallo AP 15 523 8330
Visso MC 15 1107 9437
Ussita MC 16 444 9881
Cascia PG 16 3217 13098
Montemonaco AP 17 604 13702

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km NE of Tivoli (56533 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 1.4 2017-03-03
21:25:35		 42.8063 13.1627 10 2017-03-03
21:38:48		 Sala Sismica INGV-Roma 41921391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 21:25:35 ± 0.04
Latitude 42.8063 ± 0.0018
Longitude 13.1627 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41921391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
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) 67
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52430
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 41921391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-03 21:38:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2017-03-03T21:26:04.41 3.0 undecidable manual Sn 1.96 0
IV.ARVD.HHZ. 2017-03-03T21:26:01.13 3.0 undecidable manual Sg 2.13 0
IV.EL6.EHZ. 2017-03-03T21:25:54.61 0.6 undecidable manual S 355 58.1973 50 0.74 38
IV.TERO.HHZ. 2017-03-03T21:25:49.12 0.3 undecidable manual S 119 41.3253 50 -0.24 68
IV.T1211.EHZ. 2017-03-03T21:25:48.87 0.6 undecidable manual S 220 39.3273 50 0.03 48
IV.GUMA.HHZ. 2017-03-03T21:25:47.30 0.6 undecidable manual S 26 31.746 50 0.5 44
IV.T1220.EHZ. 2017-03-03T21:25:47.57 0.3 undecidable manual S 350 34.2435 50 0.1 71
IV.EL6.EHZ. 2017-03-03T21:25:46.27 0.3 undecidable manual P 355 58.1973 50 0.15 68
IV.RM33.EHZ. 2017-03-03T21:25:46.98 0.3 undecidable manual S 173 33.2445 50 -0.23 70
IV.T1219.EHZ. 2017-03-03T21:25:46.16 0.3 undecidable manual S 335 30.5472 50 -0.31 69
IV.CSP1.EHZ. 2017-03-03T21:25:46.87 0.3 undecidable manual S 6 31.8459 50 0.04 73
IV.FDMO.HHZ. 2017-03-03T21:25:45.08 0.3 undecidable manual S 347 26.2515 110 -0.16 72
IV.T1299.EHZ. 2017-03-03T21:25:44.08 0.6 undecidable manual S 153 21.4674 114 0.39 46
IV.T1256.HHZ. 2017-03-03T21:25:44.08 0.6 undecidable manual S 13 22.755 113 -0.04 49
IV.INTR.HHZ. 2017-03-03T21:25:44.35 3.0 positive manual Pn -1.72 0
IV.T1215.EHZ. 2017-03-03T21:25:44.32 0.6 undecidable manual S 269 23.9538 112 -0.17 48
IV.LNSS.HHZ. 2017-03-03T21:25:44.66 0.3 undecidable manual S 204 24.6531 111 -0.07 73
IV.TERO.HHZ. 2017-03-03T21:25:43.21 0.1 undecidable manual P 119 41.3253 50 -0.31 90
IV.T1217.EHZ. 2017-03-03T21:25:43.68 0.6 undecidable manual S 241 21.5673 114 -0.04 49
IV.T1211.EHZ. 2017-03-03T21:25:43.28 0.6 undecidable manual P 220 39.3273 50 0.07 48
IV.T1220.EHZ. 2017-03-03T21:25:42.41 0.3 undecidable manual P 350 34.2435 50 -0.02 73
IV.MMO1.EHZ. 2017-03-03T21:25:42.20 0.3 undecidable manual S 52 16.872 120 -0.07 74
IV.CSP1.EHZ. 2017-03-03T21:25:42.03 0.3 undecidable manual P 6 31.8459 50 -0.03 73
IV.RM33.EHZ. 2017-03-03T21:25:42.11 0.3 undecidable manual P 173 33.2445 50 -0.17 71
IV.GUMA.HHZ. 2017-03-03T21:25:42.29 0.3 undecidable manual P 26 31.746 50 0.25 70
IV.T1219.EHZ. 2017-03-03T21:25:41.74 0.3 undecidable manual P 335 30.5472 50 -0.11 72
IV.MC2.EHZ. 2017-03-03T21:25:41.14 0.6 undecidable manual S 10 11.877 129 0.31 47
IV.FDMO.HHZ. 2017-03-03T21:25:41.04 0.3 undecidable manual P 347 26.2515 110 -0.1 72
IV.T1216.EHZ. 2017-03-03T21:25:41.44 0.3 undecidable manual S 309 14.9739 123 -0.27 71
IV.T1218.EHZ. 2017-03-03T21:25:41.92 0.3 undecidable manual S 194 15.5733 122 0.03 75
IV.T1215.EHZ. 2017-03-03T21:25:40.77 0.3 undecidable manual P 269 23.9538 112 0.07 73
IV.LNSS.HHZ. 2017-03-03T21:25:40.80 0.3 undecidable manual P 204 24.6531 111 -0.05 73
IV.T1299.EHZ. 2017-03-03T21:25:40.62 0.3 undecidable manual P 153 21.4674 114 0.37 69
IV.T1217.EHZ. 2017-03-03T21:25:40.41 0.6 undecidable manual P 241 21.5673 114 0.14 48
IV.T1212.EHZ. 2017-03-03T21:25:40.72 0.3 undecidable manual S 238 11.3775 130 0.02 76
IV.T1216.EHZ. 2017-03-03T21:25:39.22 0.1 undecidable manual P 309 14.9739 123 0.12 98
IV.T1218.EHZ. 2017-03-03T21:25:39.36 0.3 undecidable manual P 194 15.5733 122 0.15 73
IV.T1245.HHZ. 2017-03-03T21:25:39.18 0.6 undecidable manual S 20 5.994 148 -0.27 48
IV.MMO1.EHZ. 2017-03-03T21:25:39.52 0.3 positive manual P 52 16.872 120 0.1 74
IV.T1214.EHZ. 2017-03-03T21:25:39.25 0.3 undecidable manual S 144 6.3936 146 -0.29 72
IV.T1256.HHZ. 2017-03-03T21:25:39.85 0.1 undecidable manual P 13 22.755 113 -0.64 85
IV.T1212.EHZ. 2017-03-03T21:25:38.78 0.1 undecidable manual P 238 11.3775 130 0.26 96
IV.MC2.EHZ. 2017-03-03T21:25:38.87 0.3 undecidable manual P 10 11.877 129 0.28 72
IV.T1214.EHZ. 2017-03-03T21:25:37.97 0.1 positive manual P 144 6.3936 146 0.12 100
IV.T1245.HHZ. 2017-03-03T21:25:37.90 0.1 undecidable manual P 20 5.994 148 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.5 0.0001545 0.24 AML other m 2017-03-03T21:25:47.11
IV.CSP1.EHN. ML:1.6 0.00017449999999999999 0.18 AML other m 2017-03-03T21:25:48.13
IV.FDMO.HHN. ML:1.2 0.00008085 0.3 AML other m 2017-03-03T21:25:45.37
IV.FDMO.HHE. ML:1.1 0.00006415 0.18 AML other m 2017-03-03T21:25:45.72
IV.GUMA.HHN. ML:1.6 0.00015900000000000002 1.02 AML other m 2017-03-03T21:25:48.46
IV.GUMA.HHE. ML:1.5 0.00013350000000000002 0.44 AML other m 2017-03-03T21:25:51.00
IV.LNSS.HHN. ML:1.6 0.000265 1.72 AML other m 2017-03-03T21:25:45.10
IV.LNSS.HHE. ML:1.7 0.0003215 0.24 AML other m 2017-03-03T21:25:45.24
IV.RM33.EHE. ML:1.2 0.0000756 0.14 AML other m 2017-03-03T21:25:47.58
IV.RM33.EHN. ML:1.2 0.00006715 0.22 AML other m 2017-03-03T21:25:47.23
IV.T1212.EHE. ML:1.4 0.000321 0.12 AML other m 2017-03-03T21:25:40.81
IV.T1212.EHN. ML:1.3 0.000253 1.08 AML other m 2017-03-03T21:25:41.85
IV.T1214.EHN. ML:1.6 0.00062 0.34 AML other m 2017-03-03T21:25:39.50
IV.T1214.EHE. ML:1.4 0.00042699999999999997 0.2 AML other m 2017-03-03T21:25:39.52
IV.T1218.EHE. ML:1.4 0.000247 0.16 AML other m 2017-03-03T21:25:42.41
IV.T1218.EHN. ML:1.6 0.000356 0.16 AML other m 2017-03-03T21:25:42.47
IV.T1218.HNN. ML:1.6 0.0003705 0.84 AML other m 2017-03-03T21:25:42.22
IV.T1218.HNE. ML:1.5 0.0002705 0.16 AML other m 2017-03-03T21:25:42.41
IV.T1219.EHE. ML:1.4 0.0001197 0.22 AML other m 2017-03-03T21:25:46.66
IV.T1219.EHN. ML:1.4 0.00011705 0.24 AML other m 2017-03-03T21:25:46.55
IV.T1220.HNN. ML:1.7 0.00020800000000000001 1.36 AML other m 2017-03-03T21:25:49.76
IV.T1220.EHE. ML:1.7 0.000230352 0.2816 AML other m 2017-03-03T21:25:49.87
IV.T1245.HHN. ML:1.6 0.000651 0.34 AML other m 2017-03-03T21:25:40.53
IV.T1245.HHE. ML:1.6 0.000641 0.6 AML other m 2017-03-03T21:25:39.66
IV.T1245.HNE. ML:1.6 0.000641 0.62 AML other m 2017-03-03T21:25:39.67
IV.T1245.HNN. ML:1.6 0.0006274999999999999 0.32 AML other m 2017-03-03T21:25:40.37
IV.T1256.HHE. ML:1.4 0.00014450000000000002 0.16 AML other m 2017-03-03T21:25:44.76
IV.T1256.HHN. ML:1.3 0.00011949999999999999 0.14 AML other m 2017-03-03T21:25:44.47
IV.T1299.EHN. ML:1.3 0.00013900000000000002 0.24 AML other m 2017-03-03T21:25:44.20
IV.T1299.EHE. ML:1.2 0.0001135 0.42 AML other m 2017-03-03T21:25:44.42
IV.TERO.HHE. ML:1.1 0.000046949999999999996 0.12 AML other m 2017-03-03T21:25:49.66
IV.TERO.HHN. ML:1.3 0.00007240000000000001 0.1 AML other m 2017-03-03T21:25:49.61
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