Earthquake with magnitude of ML 0.3 on date 13-09-2016 and time 06:35:31 (Italy) in region 4 km SE Norcia (PG)

A magnitude ML 0.3 earthquake occured in region: 4 km SE Norcia (PG), on

  • 13-09-2016 04:35:31 (UTC)
  • 13-09-2016 06:35:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7650, 13.1290 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 11 3217 8174
Accumoli RI 12 667 8841
Arquata del Tronto AP 14 1178 10019
Castelsantangelo sul Nera MC 15 281 10300
Preci PG 15 724 11024
Cittareale RI 16 482 11506
Poggiodomo PG 17 117 11623
Cerreto di Spoleto PG 18 1075 12698
Montegallo AP 19 523 13221
Visso MC 19 1107 14328
Monteleone di Spoleto PG 19 599 14927
Amatrice RI 20 2657 17584
Ussita MC 20 444 18028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
95 Km W of Pescara (121014 inhabitants)
97 Km W of Chieti (51815 inhabitants)
100 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
Bulletin
Rev1000
ML 0.3 2016-09-13
04:35:31
42.7647 13.1293 10 2019-07-19
13:23:13
Bollettino Sismico Italiano INGV 40363331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-13 04:35:31 ± 0.16
Latitude 42.7647 ± 0.0162
Longitude 13.1293 ± 0.0159
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 40363331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1910
Semi-minor axis of confidence ellipse (meter) 1100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 1910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 40363331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-02-02 10:58:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-09-13T04:35:43.36 3.0 undecidable manual P -0.09 0
IV.TERO.HHZ. 2016-09-13T04:35:39.57 0.6 undecidable manual P 112 41.7249 50 -0.28 96
IV.T1243.HHZ. 2016-09-13T04:35:37.33 1.0 positive manual P 106 27.0507 50 -0.26 50
IV.T1204.EHZ. 2016-09-13T04:35:36.30 0.6 positive manual P 123 18.1707 119 0.29 100
IV.T1217.EHZ. 2016-09-13T04:35:35.86 1.0 undecidable manual P 250 17.1717 120 0.03 53
IV.T1216.EHZ. 2016-09-13T04:35:35.65 1.0 positive manual P 327 16.5723 121 -0.09 52
IV.T1242.HHZ. 2016-09-13T04:35:34.87 1.0 undecidable manual P 40 9.3795 137 0.26 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1242.HHE. ML:0.2 0.000021501935 0.3616 AML other m 2016-09-13T04:35:37.26
IV.T1242.HHN. ML:0.4 0.00003671456 0.6592 AML other m 2016-09-13T04:35:37.20
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