Earthquake with magnitude of ML 1.3 on date 17-10-2016 and time 15:49:17 (UTC) in region 6 km NW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 6 km NW Accumoli (RI), on

  • 17-10-2016 15:49:17 (UTC)
  • 17-10-2016 17:49:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7320, 13.1970 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
Accumoli RI 6 667 667
Arquata del Tronto AP 9 1178 1845
Norcia PG 11 4957 6802
Cittareale RI 13 482 7284
Amatrice RI 14 2657 9941
Cascia PG 15 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 18 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
49 Km E of Terni (111501 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 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 1.3 2016-10-17
15:49:17
42.7322 13.1973 10 2016-10-17
15:56:21
Sala Sismica INGV-Roma 30304411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-17 15:49:17 ± 0.05
Latitude 42.7322 ± 0.0027
Longitude 13.1973 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30304411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.32106
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 30304411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-17 15:56:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1211.EHZ. 2016-10-17T15:49:29.99 1.0 undecidable manual S 232 35.6421 50 0.38 22
IV.RM33.EHZ. 2016-10-17T15:49:26.43 0.6 undecidable manual S 177 24.753 112 -0.26 47
IV.MMO1.EHZ. 2016-10-17T15:49:25.36 0.6 undecidable manual S 30 21.3675 115 -0.23 47
IV.T1243.HHZ. 2016-10-17T15:49:25.31 0.6 undecidable manual S 101 20.868 116 -0.12 48
IV.MC2.EHZ. 2016-10-17T15:49:25.26 0.6 undecidable manual S 358 19.869 117 0.12 48
IV.T1211.EHZ. 2016-10-17T15:49:24.39 0.6 undecidable manual P 232 35.6421 50 -0.06 48
IV.TERO.HHZ. 2016-10-17T15:49:24.32 0.1 undecidable manual P 110 35.3424 50 -0.09 95
IV.T1215.EHZ. 2016-10-17T15:49:23.08 0.1 undecidable manual P 286 27.8499 50 -0.19 94
IV.NRCA.HHZ. 2016-10-17T15:49:22.70 0.6 undecidable manual S 329 13.1757 127 -0.44 46
IV.T1216.EHZ. 2016-10-17T15:49:22.50 0.1 undecidable manual P 321 22.8549 114 0.1 97
IV.MMO1.EHZ. 2016-10-17T15:49:22.11 0.1 undecidable manual P 30 21.3675 115 -0.02 98
IV.T1204.EHZ. 2016-10-17T15:49:22.93 0.6 undecidable manual S 123 11.5773 131 0.22 48
IV.T1217.EHZ. 2016-10-17T15:49:22.19 0.1 undecidable manual P 264 21.7671 115 -0.03 98
IV.RM33.EHZ. 2016-10-17T15:49:22.70 0.1 undecidable manual P 177 24.753 112 -0.07 97
IV.T1245.HHZ. 2016-10-17T15:49:21.00 0.1 undecidable manual P 357 13.875 126 0.17 97
IV.MC2.EHZ. 2016-10-17T15:49:21.98 0.1 undecidable manual P 358 19.869 117 0.11 97
IV.LNSS.HHZ. 2016-10-17T15:49:21.90 0.1 undecidable manual P 222 19.2696 118 0.14 96
IV.SMA1.EHZ. 2016-10-17T15:49:21.13 0.1 undecidable manual P 135 15.873 122 -0.05 99
IV.T1243.HHZ. 2016-10-17T15:49:21.98 0.1 undecidable manual P 101 20.868 116 -0.06 98
IV.NRCA.HHZ. 2016-10-17T15:49:20.74 0.1 undecidable manual P 329 13.1757 127 0.02 100
IV.T1204.EHZ. 2016-10-17T15:49:20.81 0.1 undecidable manual P 123 11.5773 131 0.34 94
IV.T1202.EHZ. 2016-10-17T15:49:20.75 0.6 undecidable manual S 145 3.8961 159 -0.38 47
IV.T1202.EHZ. 2016-10-17T15:49:19.65 0.1 undecidable manual P 145 3.8961 159 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.4 0.0001915 0.54 AML other m 2016-10-17T15:49:25.47
IV.LNSS.HHN. ML:1.2 0.0001325 0.34 AML other m 2016-10-17T15:49:26.30
IV.NRCA.HHN. ML:1.4 0.000268 0.68 AML other m 2016-10-17T15:49:23.75
IV.NRCA.HHE. ML:1.5 0.00032450000000000003 0.98 AML other m 2016-10-17T15:49:23.48
IV.SMA1.EHN. ML:1.1 0.00011959999999999998 0.5 AML other m 2016-10-17T15:49:26.66
IV.SMA1.EHE. ML:1.2 0.000131 0.54 AML other m 2016-10-17T15:49:27.34
IV.T1245.HHE. ML:1.2 0.00015099999999999998 0.9 AML other m 2016-10-17T15:49:24.21
IV.T1245.HHN. ML:1.4 0.000246 0.42 AML other m 2016-10-17T15:49:25.20
IV.TERO.HHN. ML:1.4 0.00010205 0.1 AML other m 2016-10-17T15:49:29.86
IV.TERO.HHE. ML:1.2 0.000060700000000000005 0.08 AML other m 2016-10-17T15:49:30.06
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