Earthquake with magnitude of ML 0.9 on date 02-03-2017 and time 06:31:15 (Italy) in region 3 km W Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km W Norcia (PG), on

  • 02-03-2017 05:31:15 (UTC)
  • 02-03-2017 06:31:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7970, 13.0560 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 3 4957 4957
Preci PG 9 724 5681
Cascia PG 9 3217 8898
Cerreto di Spoleto PG 12 1075 9973
Castelsantangelo sul Nera MC 14 281 10254
Poggiodomo PG 14 117 10371
Sellano PG 15 1079 11450
Visso MC 15 1107 12557
Vallo di Nera PG 16 364 12921
Ussita MC 18 444 13365
Monteleone di Spoleto PG 18 599 13964
Sant'Anatolia di Narco PG 19 564 14528
Accumoli RI 19 667 15195
Arquata del Tronto AP 20 1178 16373

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 0.9 2017-03-02
05:31:15
42.7972 13.0562 11 2017-03-02
05:36:45
Sala Sismica INGV-Roma 41831251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-02 05:31:15 ± 0.03
Latitude 42.7972 ± 0.0018
Longitude 13.0562 ± 0.0025
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 41831251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 184
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 41831251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-02 05:36:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2017-03-02T05:31:27.24 0.1 undecidable manual S 158 34.4433 50 -0.04 97
IV.EL6.EHZ. 2017-03-02T05:31:27.26 3.0 undecidable manual P 0.72 0
IV.FDMO.HHZ. 2017-03-02T05:31:25.04 0.1 undecidable manual S 5 26.6511 50 -0.15 95
IV.T1219.EHZ. 2017-03-02T05:31:25.73 0.1 undecidable manual S 352 28.9488 50 -0.08 96
IV.MMO1.EHZ. 2017-03-02T05:31:24.47 0.1 undecidable manual S 63 24.753 50 -0.21 94
IV.RM33.EHZ. 2017-03-02T05:31:22.26 0.6 undecidable manual P 158 34.4433 50 -0.07 48
IV.MC2.EHZ. 2017-03-02T05:31:22.68 0.1 undecidable manual S 40 16.6722 123 0.2 96
IV.FDMO.HHZ. 2017-03-02T05:31:21.24 0.1 undecidable manual P 5 26.6511 50 0.12 95
IV.T1215.EHZ. 2017-03-02T05:31:21.95 0.1 undecidable manual S 272 15.2736 126 -0.14 97
IV.T1219.EHZ. 2017-03-02T05:31:21.55 0.1 undecidable manual P 352 28.9488 50 0.07 96
IV.T1214.EHZ. 2017-03-02T05:31:21.49 0.1 undecidable manual S 109 13.0758 130 0 100
IV.SMA1.EHZ. 2017-03-02T05:31:21.84 3.0 positive manual P 0.22 0
IV.T1217.EHZ. 2017-03-02T05:31:21.71 0.1 undecidable manual S 227 13.875 128 0 100
IV.T1218.EHZ. 2017-03-02T05:31:21.90 0.1 undecidable manual S 161 14.874 126 -0.09 98
IV.T1216.EHZ. 2017-03-02T05:31:20.83 0.1 undecidable manual S 344 10.7781 135 -0.07 99
IV.MMO1.EHZ. 2017-03-02T05:31:20.76 0.1 undecidable manual P 63 24.753 50 -0.07 97
IV.T1217.EHZ. 2017-03-02T05:31:19.25 0.1 undecidable manual P 227 13.875 128 0.13 97
IV.MC2.EHZ. 2017-03-02T05:31:19.69 0.1 undecidable manual P 40 16.6722 123 0.12 97
IV.T1218.EHZ. 2017-03-02T05:31:19.32 0.1 undecidable manual P 161 14.874 126 0.04 99
IV.T1215.EHZ. 2017-03-02T05:31:19.37 0.1 undecidable manual P 272 15.2736 126 0.03 99
IV.T1212.EHZ. 2017-03-02T05:31:19.69 0.1 undecidable manual S 190 5.1948 155 -0.08 100
IV.T1214.EHZ. 2017-03-02T05:31:19.10 0.1 undecidable manual P 109 13.0758 130 0.11 98
IV.NRCA.HHZ. 2017-03-02T05:31:19.83 0.1 undecidable manual S 50 6.1938 150 -0.1 99
IV.T1212.EHZ. 2017-03-02T05:31:18.14 1.0 undecidable manual P 190 5.1948 155 0.14 25
IV.NRCA.HHZ. 2017-03-02T05:31:18.20 0.1 undecidable manual P 50 6.1938 150 0.11 100
IV.T1216.EHZ. 2017-03-02T05:31:18.78 0.1 undecidable manual P 344 10.7781 135 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.000117 0.12 AML other m 2017-03-02T05:31:20.23
IV.NRCA.HHE. ML:1.0 0.000128 0.36 AML other m 2017-03-02T05:31:20.34
IV.T1212.EHE. ML:0.8 0.00010714999999999999 0.32 AML other m 2017-03-02T05:31:19.82
IV.T1212.EHN. ML:1.0 0.00014500000000000003 0.16 AML other m 2017-03-02T05:31:19.83
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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