Earthquake with magnitude of Md 1.3 on date 04-03-2017 and time 22:50:40 (Italy) in region 2 km NE Norcia (PG)

A magnitude Md 1.3 earthquake occured in region: 2 km NE Norcia (PG), on

  • 04-03-2017 21:50:40 (UTC)
  • 04-03-2017 22:50:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1090 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.

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 2 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 14 1107 10286
Cerreto di Spoleto PG 16 1075 11361
Arquata del Tronto AP 16 1178 12539
Ussita MC 16 444 12983
Accumoli RI 17 667 13650
Poggiodomo PG 18 117 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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 1.3 2017-03-04
21:50:40
42.8048 13.1092 10 2017-03-04
22:07:46
Sala Sismica INGV-Roma 41973341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-04 21:50:40 ± 0.09
Latitude 42.8048 ± 0.0018
Longitude 13.1092 ± 0.0025
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41973341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 220
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17627
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 5
Type of magnitude Md
Reference to an origin 41973341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-04 22:07:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FVI.HHZ. 2017-03-04T21:51:51.30 3.0 undecidable manual Sn -4.1 0
AC.KBN.HHZ. 2017-03-04T21:51:45.34 3.0 positive manual Pg 33.439999 0
IV.ISTR.HHZ. 2017-03-04T21:51:43.74 3.0 undecidable manual Sn 8.85 0
IV.TEOL.HHZ. 2017-03-04T21:51:22.39 3.0 undecidable manual Sn -9.99 0
IV.SARZ.HHZ. 2017-03-04T21:51:16.11 3.0 negative manual Pg 11.51 0
IV.EUCT.HNZ. 2017-03-04T21:51:16.72 3.0 undecidable manual Pg 11.33 0
IV.APEC.HHZ. 2017-03-04T21:51:02.74 3.0 undecidable manual Sg 3.17 0
IV.CAFI.HHZ. 2017-03-04T21:51:02.66 3.0 undecidable manual Sg 0.86 0
IV.ARVD.HHZ. 2017-03-04T21:50:55.27 3.0 undecidable manual Sg 0.95 0
IV.GAG1.HNZ. 2017-03-04T21:50:53.33 3.0 undecidable manual Sg 3.14 0
IV.IST3.HHZ. 2017-03-04T21:50:52.84 3.0 positive manual Pn 2.41 0
IV.T1215.EHZ. 2017-03-04T21:50:48.37 0.3 undecidable manual S 269 19.5693 116 -0.1 73
IV.T1216.EHZ. 2017-03-04T21:50:46.29 1.0 undecidable manual S 322 11.9769 128 0.06 25
IV.T1218.EHZ. 2017-03-04T21:50:46.99 1.0 undecidable manual S 178 14.9739 122 -0.08 25
IV.T1212.EHZ. 2017-03-04T21:50:45.20 0.6 undecidable manual S 222 7.881 140 0 51
IV.T1215.EHZ. 2017-03-04T21:50:45.28 0.1 undecidable manual P 269 19.5693 116 0 99
IV.T1245.HHZ. 2017-03-04T21:50:45.38 0.6 undecidable manual S 48 8.5803 138 0.02 50
IV.T1216.EHZ. 2017-03-04T21:50:44.05 0.1 undecidable manual P 322 11.9769 128 0.06 99
IV.T1218.EHZ. 2017-03-04T21:50:44.48 0.1 undecidable manual P 178 14.9739 122 0.01 100
IV.PII.HHZ. 2017-03-04T21:50:44.88 3.0 positive manual Pn 0.24 0
IV.T1245.HHZ. 2017-03-04T21:50:43.39 0.1 undecidable manual P 48 8.5803 138 -0.09 99
IV.T1212.EHZ. 2017-03-04T21:50:43.48 0.1 undecidable manual P 222 7.881 140 0.08 100
IV.MCRV.HHZ. 2017-03-04T21:50:43.37 3.0 negative manual Pg 14.78 0
MN.AQU.HHZ. 2017-03-04T21:50:43.92 3.0 undecidable manual Sg 1.91 0
IV.BSSO.HHZ. 2017-03-04T21:50:41.71 3.0 undecidable manual Sn -1.79 0
IV.RM33.EHZ. 2017-03-04T21:50:33.47 3.0 undecidable manual Sn -9.99 0
IV.CAFI.HHZ. 2017-03-04T21:50:31.51 3.0 undecidable manual Pn -0.4 0
IV.CPGN.EHZ. 2017-03-04T21:50:28.42 3.0 positive manual Pn -4.6 0
IV.PTRJ.HNZ. 2017-03-04T21:50:23.55 3.0 undecidable manual P 0.93 0
IV.TRIV.HHZ. 2017-03-04T21:50:21.64 3.0 undecidable manual P 1.09 0
IV.LIK.EHZ.01 2017-03-04T21:50:21.51 3.0 positive manual P -0.96 0
IV.T0110.HHZ. 2017-03-04T21:50:17.94 3.0 undecidable manual P -1.82 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download