Earthquake with magnitude of ML 1.2 on date 05-03-2017 and time 21:54:05 (Italy) in region 4 km SW Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Norcia (PG), on

  • 05-03-2017 20:54:05 (UTC)
  • 05-03-2017 21:54:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7650, 13.0620 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.

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 4 4957 4957
Cascia PG 6 3217 8174
Poggiodomo PG 12 117 8291
Preci PG 13 724 9015
Cerreto di Spoleto PG 13 1075 10090
Monteleone di Spoleto PG 15 599 10689
Vallo di Nera PG 16 364 11053
Castelsantangelo sul Nera MC 16 281 11334
Accumoli RI 17 667 12001
Sellano PG 18 1079 13080
Cittareale RI 18 482 13562
Visso MC 19 1107 14669
Sant'Anatolia di Narco PG 19 564 15233
Arquata del Tronto AP 19 1178 16411
Scheggino PG 20 461 16872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
54 Km W of Teramo (54892 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
93 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 2017-03-05
20:54:05
42.7647 13.0617 11 2017-03-05
20:58:43
Sala Sismica INGV-Roma 42009001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-05 20:54:05 ± 0.07
Latitude 42.7647 ± 0.0027
Longitude 13.0617 ± 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 42009001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 325
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23652
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 42009001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-05 20:58:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2017-03-05T20:54:25.15 3.0 undecidable manual P -0.12 0
IV.CERT.HHZ. 2017-03-05T20:54:22.31 3.0 undecidable manual P 0.97 0
IV.MMO1.EHZ. 2017-03-05T20:54:14.38 0.6 undecidable manual S 55 26.2515 50 -0.26 63
IV.TERO.HHZ. 2017-03-05T20:54:13.66 3.0 undecidable manual P -0.42 0
IV.LNSS.HHZ. 2017-03-05T20:54:12.21 0.6 undecidable manual S 186 18.0708 121 -0.21 65
IV.MC2.EHZ. 2017-03-05T20:54:12.91 0.6 undecidable manual S 32 19.2696 50 0.11 66
IV.T1211.EHZ. 2017-03-05T20:54:11.46 3.0 positive manual P 0.08 0
IV.T1216.EHZ. 2017-03-05T20:54:11.20 0.6 undecidable manual S 346 14.3745 127 -0.17 67
IV.T1215.EHZ. 2017-03-05T20:54:11.76 0.6 undecidable manual S 285 16.2726 124 -0.14 66
IV.CSP1.EHZ. 2017-03-05T20:54:11.38 3.0 undecidable manual P -1.27 0
IV.T1245.HHZ. 2017-03-05T20:54:11.24 0.6 undecidable manual S 45 14.4744 127 -0.16 67
IV.T1214.EHZ. 2017-03-05T20:54:10.69 0.6 undecidable manual S 93 11.9769 132 -0.04 69
IV.MMO1.EHZ. 2017-03-05T20:54:10.51 1.0 positive manual P 55 26.2515 50 -0.11 32
IV.SMA1.EHZ. 2017-03-05T20:54:10.98 3.0 undecidable manual P 0.24 0
IV.LNSS.HHZ. 2017-03-05T20:54:09.36 1.0 positive manual P 186 18.0708 121 0.02 34
IV.MC2.EHZ. 2017-03-05T20:54:09.68 0.6 negative manual P 32 19.2696 50 0.13 66
IV.T1215.EHZ. 2017-03-05T20:54:09.13 0.6 positive manual P 285 16.2726 124 0.09 67
IV.T1212.EHZ. 2017-03-05T20:54:08.67 0.6 undecidable manual S 224 1.998 169 -0.27 67
IV.T1245.HHZ. 2017-03-05T20:54:08.89 0.6 negative manual P 45 14.4744 127 0.14 66
IV.T1214.EHZ. 2017-03-05T20:54:08.50 0.3 negative manual P 93 11.9769 132 0.14 100
IV.T1216.EHZ. 2017-03-05T20:54:08.91 0.6 undecidable manual P 346 14.3745 127 0.17 66
IV.T1217.EHZ. 2017-03-05T20:54:08.58 0.6 negative manual P 241 12.0768 132 0.2 66
IV.T1218.EHZ. 2017-03-05T20:54:08.38 0.6 positive manual P 157 11.3775 134 0.11 67
IV.T1212.EHZ. 2017-03-05T20:54:07.42 0.6 undecidable manual P 224 1.998 169 0.09 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.1 0.0000994 0.16 AML other m 2017-03-05T20:54:12.86
IV.LNSS.HHN. ML:1.2 0.00011885000000000002 0.14 AML other m 2017-03-05T20:54:12.87
IV.T1212.HNN. ML:1.4 0.000386 0.76 AML other m 2017-03-05T20:54:08.80
IV.T1212.EHN. ML:1.3 0.00036199999999999996 0.2 AML other m 2017-03-05T20:54:08.80
IV.T1212.EHE. ML:1.1 0.000225 0.58 AML other m 2017-03-05T20:54:08.70
IV.T1212.HNE. ML:1.2 0.0002505 0.52 AML other m 2017-03-05T20:54:08.70
IV.T1245.HHN. ML:1.3 0.00019350000000000001 1.34 AML other m 2017-03-05T20:54:12.77
IV.T1245.HHE. ML:1.1 0.000124 1.02 AML other m 2017-03-05T20:54:12.24
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