Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-03-2017 and time 00:30:47 (Italy) in region S Preci (PG)

A magnitude ML 1.2 earthquake occured in region: S Preci (PG), on

  • 03-03-2017 23:30:47 (UTC)
  • 04-03-2017 00:30:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8770, 13.0390 at 9 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
Preci PG 0 724 724
Visso MC 7 1107 1831
Sellano PG 9 1079 2910
Castelsantangelo sul Nera MC 10 281 3191
Norcia PG 10 4957 8148
Ussita MC 11 444 8592
Cerreto di Spoleto PG 12 1075 9667
Monte Cavallo MC 13 145 9812
Cascia PG 18 3217 13029
Fiordimonte MC 18 202 13231
Vallo di Nera PG 19 364 13595
Pieve Torina MC 19 1458 15053

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
99 Km W of Montesilvano (53738 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 1.2 2017-03-03
23:30:47		 42.8768 13.039 9 2017-03-03
23:36:58		 Sala Sismica INGV-Roma 41924511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 23:30:47 ± 0.06
Latitude 42.8768 ± 0.0027
Longitude 13.0390 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41924511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 44
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) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.48653
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 41924511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-03 23:36:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-03-03T23:31:05.15 0.3 undecidable manual S 121 54.0015 50 0.09 69
IV.T1247.HHZ. 2017-03-03T23:31:05.13 0.6 undecidable manual S 156 52.7028 50 0.41 43
IV.ATCC.EHZ. 2017-03-03T23:31:03.83 0.6 undecidable manual S 317 47.1195 50 0.61 41
IV.SNTG.HHZ. 2017-03-03T23:31:02.06 0.3 undecidable manual S 349 42.7239 50 0.02 72
IV.RM33.EHZ. 2017-03-03T23:31:02.08 0.3 undecidable manual S 161 43.2234 50 -0.12 70
IV.SMA1.EHZ. 2017-03-03T23:31:00.85 0.3 undecidable manual S 138 36.4413 50 0.47 66
IV.ASSB.HHZ. 2017-03-03T23:31:00.14 0.3 undecidable manual S 301 35.9418 50 -0.1 71
IV.GUMA.HHZ. 2017-03-03T23:30:59.42 0.6 undecidable manual S 49 31.6461 50 0.32 46
IV.T1241.EHZ. 2017-03-03T23:30:58.79 0.6 undecidable manual S 94 31.9458 50 -0.4 45
IV.RM33.EHZ. 2017-03-03T23:30:57.89 0.1 undecidable manual P 161 43.2234 50 1.78 45
IV.T1220.EHZ. 2017-03-03T23:30:57.35 0.3 undecidable manual S 9 26.1516 110 -0.1 73
IV.CSP1.EHZ. 2017-03-03T23:30:57.53 0.6 undecidable manual S 29 27.3504 109 -0.31 46
IV.TERO.HHZ. 2017-03-03T23:30:57.30 0.6 negative manual P 121 54.0015 50 -0.47 43
IV.T1247.HHZ. 2017-03-03T23:30:56.40 0.1 undecidable manual P 156 52.7028 50 -1.18 63
IV.MMO1.EHZ. 2017-03-03T23:30:56.26 0.6 undecidable manual S 84 23.5542 112 -0.33 46
IV.ATCC.EHZ. 2017-03-03T23:30:56.64 1.0 undecidable manual P 317 47.1195 50 -0.06 24
IV.T1217.EHZ. 2017-03-03T23:30:55.48 0.6 undecidable manual S 206 20.2686 115 -0.08 49
IV.SNTG.HHZ. 2017-03-03T23:30:55.84 0.6 undecidable manual P 349 42.7239 50 -0.18 46
IV.FDMO.HHZ. 2017-03-03T23:30:55.02 0.6 undecidable manual S 12 18.1707 117 0.14 49
IV.T1256.HHZ. 2017-03-03T23:30:55.83 0.6 undecidable manual S 47 20.868 114 0.08 49
IV.T1219.EHZ. 2017-03-03T23:30:55.35 0.6 undecidable manual S 352 20.0688 115 -0.12 49
IV.T1215.EHZ. 2017-03-03T23:30:54.20 0.3 undecidable manual S 239 16.1727 120 -0.08 74
IV.ASSB.HHZ. 2017-03-03T23:30:54.93 0.1 undecidable manual P 301 35.9418 50 -0.05 96
IV.GUMA.HHZ. 2017-03-03T23:30:54.29 0.1 undecidable manual P 49 31.6461 50 -0.04 97
IV.SMA1.EHZ. 2017-03-03T23:30:54.77 1.0 undecidable manual P 138 36.4413 50 -0.29 23
IV.CSP1.EHZ. 2017-03-03T23:30:53.41 0.6 positive manual P 29 27.3504 109 -0.19 47
IV.T1245.HHZ. 2017-03-03T23:30:53.30 0.6 undecidable manual S 101 12.2766 127 0.13 49
IV.T1241.EHZ. 2017-03-03T23:30:53.92 1.0 undecidable manual P 94 31.9458 50 -0.45 22
IV.T1212.EHZ. 2017-03-03T23:30:53.60 0.3 undecidable manual S 178 13.875 124 -0.02 76
IV.T1214.EHZ. 2017-03-03T23:30:53.35 3.0 undecidable manual S 133 18.9699 116 -1.79 0
IV.MC2.EHZ. 2017-03-03T23:30:53.68 0.6 undecidable manual S 73 12.7761 126 0.39 47
IV.T1220.EHZ. 2017-03-03T23:30:53.26 0.6 negative manual P 9 26.1516 110 -0.12 48
IV.T1219.EHZ. 2017-03-03T23:30:52.17 1.0 undecidable manual P 352 20.0688 115 -0.06 25
IV.T1218.EHZ. 2017-03-03T23:30:52.74 0.1 undecidable manual P 165 23.754 111 -0.18 96
IV.T1217.EHZ. 2017-03-03T23:30:52.18 0.1 undecidable manual P 206 20.2686 115 -0.1 98
IV.T1256.HHZ. 2017-03-03T23:30:52.33 1.0 undecidable manual P 47 20.868 114 -0.06 25
IV.MMO1.EHZ. 2017-03-03T23:30:52.72 0.1 undecidable manual P 84 23.5542 112 -0.16 96
IV.T1216.EHZ. 2017-03-03T23:30:51.26 0.6 undecidable manual S 313 2.1978 167 0.13 50
IV.MC2.EHZ. 2017-03-03T23:30:51.31 0.1 undecidable manual P 73 12.7761 126 0.34 94
IV.T1215.EHZ. 2017-03-03T23:30:51.59 0.1 undecidable manual P 239 16.1727 120 0.05 100
IV.T1245.HHZ. 2017-03-03T23:30:51.10 0.6 undecidable manual P 101 12.2766 127 0.2 49
IV.FDMO.HHZ. 2017-03-03T23:30:51.99 0.3 negative manual P 12 18.1707 117 0.1 74
IV.T1212.EHZ. 2017-03-03T23:30:51.21 0.1 undecidable manual P 178 13.875 124 0.05 100
IV.T1214.EHZ. 2017-03-03T23:30:51.92 0.1 undecidable manual P 133 18.9699 116 -0.12 98
IV.T1216.EHZ. 2017-03-03T23:30:49.96 0.1 undecidable manual P 313 2.1978 167 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.000143 0.14 AML other m 2017-03-03T23:30:55.32
IV.FDMO.HHN. ML:0.9 0.00007165000000000001 0.24 AML other m 2017-03-03T23:30:55.45
IV.GUMA.HHE. ML:1.2 0.0000628 1.12 AML other m 2017-03-03T23:30:59.72
IV.GUMA.HHN. ML:1.2 0.0000697 1.08 AML other m 2017-03-03T23:30:59.78
IV.SMA1.EHN. ML:0.9 0.00003175 0.52 AML other m 2017-03-03T23:31:02.52
IV.SMA1.EHE. ML:1.0 0.0000344 1.1 AML other m 2017-03-03T23:31:02.63
IV.T1212.EHE. ML:1.3 0.0001905 0.16 AML other m 2017-03-03T23:30:53.80
IV.T1212.EHN. ML:1.3 0.0002095 0.16 AML other m 2017-03-03T23:30:53.81
IV.T1218.EHN. ML:1.2 0.00009824999999999999 0.4 AML other m 2017-03-03T23:31:01.45
IV.T1218.EHE. ML:0.9 0.00004499 0.94 AML other m 2017-03-03T23:31:01.51
IV.T1241.EHN. ML:1.1 0.00005695 1.82 AML other m 2017-03-03T23:30:58.96
IV.T1241.EHE. ML:1.1 0.00005565 1.78 AML other m 2017-03-03T23:30:59.06
IV.T1245.HHE. ML:1.3 0.00022000000000000003 1.42 AML other m 2017-03-03T23:30:54.93
IV.T1245.HNE. ML:1.4 0.0002565 1.4 AML other m 2017-03-03T23:30:54.93
IV.T1245.HNN. ML:1.6 0.0004055 0.58 AML other m 2017-03-03T23:30:53.83
IV.T1245.HHN. ML:1.5 0.000347 0.32 AML other m 2017-03-03T23:30:53.83
IV.T1247.HHN. ML:1.9 0.000186 0.2 AML other m 2017-03-03T23:31:05.24
IV.T1247.HHE. ML:2.0 0.00022450000000000004 0.84 AML other m 2017-03-03T23:31:05.35
IV.T1256.HHN. ML:1.1 0.0000989 0.2 AML other m 2017-03-03T23:30:56.13
IV.T1256.HHE. ML:1.0 0.0000756 1.12 AML other m 2017-03-03T23:30:56.34
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