Earthquake with magnitude of ML 0.8 on date 22-10-2016 and time 07:54:46 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km E Norcia (PG), on

  • 22-10-2016 05:54:46 (UTC)
  • 22-10-2016 07:54:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7760, 13.1520 at 1 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 5 4957 4957
Accumoli RI 12 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 13 3217 10019
Castelsantangelo sul Nera MC 13 281 10300
Preci PG 15 724 11024
Montegallo AP 17 523 11547
Cittareale RI 18 482 12029
Visso MC 18 1107 13136
Ussita MC 19 444 13580
Poggiodomo PG 19 117 13697
Amatrice RI 20 2657 16354
Cerreto di Spoleto PG 20 1075 17429
Montemonaco AP 20 604 18033

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km W of Pescara (121014 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
98 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 0.8 2016-10-22
05:54:46
42.7758 13.1523 1 2016-10-22
06:10:27
Sala Sismica INGV-Roma 30442781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-22 05:54:46 ± 0.2
Latitude 42.7758 ± 0.0126
Longitude 13.1523 ± 0.0074
Depth (km) 1 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30442781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1161
Semi-minor axis of confidence ellipse (meter) 921
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20954
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 30442781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-22 06:10:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2016-10-22T05:56:34.99 3.0 undecidable manual Sn -3.48 0
IV.ZONE.HHZ. 2016-10-22T05:56:30.99 3.0 undecidable manual Sn -2.14 0
HL.VLS.HHZ. 2016-10-22T05:56:23.30 3.0 undecidable manual Pn -6.9 0
IV.RESU.HHZ. 2016-10-22T05:56:14.57 3.0 positive manual Pg 12.2 0
IV.PLMA.HHZ. 2016-10-22T05:56:09.99 3.0 undecidable manual Sn -0.55 0
IV.SOLUN.HHZ. 2016-10-22T05:56:06.66 3.0 undecidable manual Pg 10.7 0
IV.SERS.HHZ. 2016-10-22T05:56:02.61 3.0 undecidable manual Pg 9.18 0
CH.MUGIO.HHZ. 2016-10-22T05:55:59.41 3.0 undecidable manual Pg 5.09 0
SI.BOSI.HHZ. 2016-10-22T05:55:55.17 3.0 negative manual Pg 6.65 0
IV.CNCS.HNZ. 2016-10-22T05:55:46.26 3.0 positive manual Pg 2.82 0
IV.LEOD.HNZ. 2016-10-22T05:55:44.32 3.0 positive manual Pn 1.82 0
IV.ISTR.HHZ. 2016-10-22T05:55:42.14 3.0 negative manual Pn -7.37 0
IV.BRSN.EHZ. 2016-10-22T05:55:41.99 3.0 undecidable manual Sn -2.16 0
IV.OSSC.HHZ. 2016-10-22T05:55:41.99 3.0 undecidable manual Sg -0.97 0
IV.SBPO.HNZ. 2016-10-22T05:55:32.62 3.0 positive manual Pn -0.62 0
IV.TOLF.HHZ. 2016-10-22T05:55:02.93 3.0 positive manual P -6.65 0
IV.T1215.EHZ. 2016-10-22T05:54:54.95 0.3 undecidable manual S 277 23.2545 93 0.29 70
IV.MMO1.EHZ. 2016-10-22T05:54:53.18 0.3 undecidable manual S 46 19.7691 94 -0.25 71
IV.MC2.EHZ. 2016-10-22T05:54:52.34 0.1 undecidable manual S 11 15.3735 95 0.43 91
IV.T1215.EHZ. 2016-10-22T05:54:51.23 0.1 undecidable manual P 277 23.2545 93 -0.01 98
IV.T1216.EHZ. 2016-10-22T05:54:51.90 0.3 undecidable manual S 320 16.6722 94 -0.49 68
IV.MMO1.EHZ. 2016-10-22T05:54:50.35 0.1 undecidable manual P 46 19.7691 94 -0.18 96
IV.T1245.HHZ. 2016-10-22T05:54:49.93 0.3 undecidable manual S 18 9.3795 98 0.07 75
IV.MC2.EHZ. 2016-10-22T05:54:49.70 0.1 undecidable manual P 11 15.3735 95 0.05 99
IV.T1216.EHZ. 2016-10-22T05:54:49.87 0.1 undecidable manual P 320 16.6722 94 -0.06 99
IV.NRCA.HNZ. 2016-10-22T05:54:48.94 0.1 undecidable manual S 334 7.0929 100 -0.13 99
IV.T1245.HHZ. 2016-10-22T05:54:48.59 0.1 undecidable manual P 18 9.3795 98 0.12 99
IV.NRCA.HNZ. 2016-10-22T05:54:48.09 0.1 undecidable manual P 334 7.0929 100 0.07 100
IV.T1243.HHZ. 2016-10-22T05:54:43.99 3.0 undecidable manual S -2.46 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1215.HNN. ML:0.8 0.00004349120000000001 0.912 AML other m 2016-10-22T05:54:54.53
IV.T1215.EHE. ML:0.8 0.000042096000000000025 3.056 AML other m 2016-10-22T05:54:55.54
IV.T1215.HNE. ML:0.9 0.00006145314999999999 0.624 AML other m 2016-10-22T05:54:55.99
IV.T1215.EHN. ML:0.9 0.00006111299999999997 0 AML other m 2016-10-22T05:54:55.97
IV.T1216.EHE. ML:0.6 0.000040713073 2.704 AML other m 2016-10-22T05:54:53.04
IV.T1216.EHN. ML:0.6 0.0000441452 2.72 AML other m 2016-10-22T05:54:52.83
IV.T1245.HHE. ML:0.9 0.000133 0.4 AML other m 2016-10-22T05:54:50.56
IV.T1245.HHN. ML:1.2 0.000292 1.1 AML other m 2016-10-22T05:54:50.49
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