Earthquake with magnitude of Md 1.0 on date 02-03-2017 and time 18:44:13 (Italy) in region 4 km SW Norcia (PG)

A magnitude Md 1.0 earthquake occured in region: 4 km SW Norcia (PG), on

  • 02-03-2017 17:44:13 (UTC)
  • 02-03-2017 18:44:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7730, 13.0540 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.

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 7 3217 8174
Poggiodomo PG 12 117 8291
Preci PG 12 724 9015
Cerreto di Spoleto PG 12 1075 10090
Vallo di Nera PG 16 364 10454
Monteleone di Spoleto PG 16 599 11053
Castelsantangelo sul Nera MC 16 281 11334
Sellano PG 17 1079 12413
Visso MC 18 1107 13520
Accumoli RI 18 667 14187
Sant'Anatolia di Narco PG 18 564 14751
Cittareale RI 19 482 15233
Scheggino PG 19 461 15694
Arquata del Tronto AP 20 1178 16872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
94 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
Md 1.0 2017-03-02
17:44:13
42.7728 13.0543 9 2017-03-02
17:55:53
Sala Sismica INGV-Roma 41857421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-02 17:44:13 ± 0.15
Latitude 42.7728 ± 0.0027
Longitude 13.0543 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41857421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 29
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16997
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

Md:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 7
Type of magnitude Md
Reference to an origin 41857421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-02 17:55:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2017-03-02T17:44:26.36 3.0 undecidable manual S -0.02 0
IV.LNSS.HHZ. 2017-03-02T17:44:20.33 0.1 undecidable manual S 183 18.87 116 -0.38 91
IV.T1245.HHZ. 2017-03-02T17:44:19.09 0.1 undecidable manual S 49 14.2746 123 -0.22 95
IV.T1215.EHZ. 2017-03-02T17:44:19.61 0.1 undecidable manual S 282 15.4734 121 -0.05 98
IV.T1216.EHZ. 2017-03-02T17:44:19.00 0.1 undecidable manual S 348 13.3755 124 -0.05 99
IV.T1217.EHZ. 2017-03-02T17:44:18.47 0.3 undecidable manual S 236 12.0768 127 -0.22 72
IV.T1218.EHZ. 2017-03-02T17:44:18.92 0.1 undecidable manual S 156 12.4764 126 0.14 97
IV.MC2.EHZ. 2017-03-02T17:44:17.64 3.0 negative manual P 0.05 0
IV.LNSS.HHZ. 2017-03-02T17:44:17.61 0.3 undecidable manual P 183 18.87 116 -0.02 74
IV.T1215.EHZ. 2017-03-02T17:44:17.10 0.1 undecidable manual P 282 15.4734 121 0.08 98
IV.T1218.EHZ. 2017-03-02T17:44:16.66 0.1 undecidable manual P 156 12.4764 126 0.14 97
IV.T1212.EHZ. 2017-03-02T17:44:16.80 0.1 undecidable manual S 199 2.4975 165 0.09 100
IV.T1216.EHZ. 2017-03-02T17:44:16.71 0.1 undecidable manual P 348 13.3755 124 0.04 99
IV.T1245.HHZ. 2017-03-02T17:44:16.83 0.1 undecidable manual P 49 14.2746 123 0 100
IV.T1217.EHZ. 2017-03-02T17:44:16.64 0.3 undecidable manual P 236 12.0768 127 0.18 72
IV.T1212.EHZ. 2017-03-02T17:44:15.56 0.1 undecidable manual P 199 2.4975 165 0.23 97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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