Earthquake with magnitude of ML 2.0 on date 31-10-2016 and time 07:21:32 (Italy) in region 3 km N Preci (PG)

A magnitude ML 2.0 earthquake occured in region: 3 km N Preci (PG), on

  • 31-10-2016 06:21:32 (UTC)
  • 31-10-2016 07:21:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.0480 at 11 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
Preci PG 3 724 724
Visso MC 5 1107 1831
Castelsantangelo sul Nera MC 9 281 2112
Ussita MC 9 444 2556
Sellano PG 10 1079 3635
Monte Cavallo MC 11 145 3780
Norcia PG 13 4957 8737
Cerreto di Spoleto PG 14 1075 9812
Fiordimonte MC 16 202 10014
Pieve Torina MC 16 1458 11472
Fiastra MC 17 559 12031
Acquacanina MC 18 121 12152
Bolognola MC 18 142 12294
Pievebovigliana MC 18 866 13160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
100 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
Bulletin
Rev1000
ML 2.0 2016-10-31
06:21:32
42.9022 13.0478 11 2019-02-12
14:03:26
Bollettino Sismico Italiano INGV 49813231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-31 06:21:32 ± 0.06
Latitude 42.9022 ± 0.0054
Longitude 13.0478 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 49813231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 609
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.66999
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 49813231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-28 15:00:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2016-10-31T06:21:45.47 0.6 undecidable manual S 348 40.1265 50 0.21 46
IV.ATVO.HHZ. 2016-10-31T06:21:45.16 0.6 undecidable manual P 316 74.37 50 0.19 43
IV.ASSB.HHZ. 2016-10-31T06:21:43.85 0.3 undecidable manual S 296 35.2425 50 -0.11 71
IV.MURB.HHZ. 2016-10-31T06:21:42.52 0.3 undecidable manual P 314 58.2972 50 0.02 69
IV.SEF1.HNZ. 2016-10-31T06:21:41.89 0.6 undecidable manual S 343 28.3494 50 -0.23 47
IV.FOSV.EHZ. 2016-10-31T06:21:41.40 0.6 undecidable manual P 332 49.4172 50 0.28 44
IV.EL6.EHZ. 2016-10-31T06:21:41.22 0.3 undecidable manual P 5 47.619 50 0.38 66
IV.CSP1.EHZ. 2016-10-31T06:21:40.90 0.3 undecidable manual S 31 24.5532 50 -0.22 71
IV.MMO1.HNZ. 2016-10-31T06:21:40.38 0.6 undecidable manual S 91 22.6551 50 -0.23 47
IV.SNTG.HHZ. 2016-10-31T06:21:39.55 0.3 undecidable manual P 348 40.1265 50 -0.14 70
IV.ASSB.HHZ. 2016-10-31T06:21:38.80 0.3 undecidable manual P 296 35.2425 50 -0.14 70
IV.T1245.HHZ. 2016-10-31T06:21:37.87 0.3 undecidable manual S 114 12.4764 131 0.02 75
IV.CSP1.EHZ. 2016-10-31T06:21:37.51 0.3 undecidable manual P 31 24.5532 50 0.21 71
IV.SEF1.HNZ. 2016-10-31T06:21:37.81 0.3 undecidable manual P 343 28.3494 50 -0.07 72
IV.FEMA.HNZ. 2016-10-31T06:21:36.37 0.6 undecidable manual S 1 6.6933 149 -0.17 49
IV.MMO1.HNZ. 2016-10-31T06:21:36.95 0.3 undecidable manual P 91 22.6551 50 -0.05 73
IV.T1216.EHZ. 2016-10-31T06:21:35.77 0.3 undecidable manual S 242 2.6973 166 -0.24 73
IV.T1245.HHZ. 2016-10-31T06:21:35.51 0.3 undecidable manual P 114 12.4764 131 0.1 74
IV.FEMA.HNZ. 2016-10-31T06:21:34.73 0.1 undecidable manual P 1 6.6933 149 0.07 100
IV.T1216.EHZ. 2016-10-31T06:21:34.46 0.1 positive manual P 242 2.6973 166 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1216.EHE. ML:2.6 0.007156893 0.128 AML other m 2016-10-31T06:21:36.03
IV.T1216.EHN. ML:2.6 0.007452670000000001 0.176 AML other m 2016-10-31T06:21:36.12
IV.FEMA.HNE. ML:2.7 0.0078675745 0.2272 AML other m 2016-10-31T06:21:36.63
IV.FEMA.HNN. ML:2.6 0.006222690500000001 0.1408 AML other m 2016-10-31T06:21:36.67
IV.ASSB.HHN. ML:2.2 0.000673367 0.1408 AML other m 2016-10-31T06:21:44.39
IV.ASSB.HHE. ML:2.0 0.00035478770000000004 0.0768 AML other m 2016-10-31T06:21:44.61
IV.SNTG.HNE. ML:1.6 0.00012781256499999998 0.1184 AML other m 2016-10-31T06:21:46.00
IV.SNTG.HHE. ML:1.4 0.00009381132000000001 0.08 AML other m 2016-10-31T06:21:46.10
IV.SNTG.HHN. ML:1.6 0.00013233617 0.0992 AML other m 2016-10-31T06:21:46.11
IV.SNTG.HNN. ML:1.7 0.00016352480000000002 0.2592 AML other m 2016-10-31T06:21:46.32
IV.MURB.HHE. ML:2.2 0.00030009240000000004 0.2208 AML other m 2016-10-31T06:21:53.36
IV.MURB.HNN. ML:2.1 0.000274946515 0.3616 AML other m 2016-10-31T06:21:54.38
IV.MURB.HHN. ML:2.0 0.00022126445 0.3808 AML other m 2016-10-31T06:21:54.20
IV.MURB.HNE. ML:2.1 0.00027713414999999995 0.3296 AML other m 2016-10-31T06:21:56.21
IV.ATVO.HHN. ML:1.5 0.00004261061 0.32 AML other m 2016-10-31T06:21:59.76
IV.ATVO.HHE. ML:1.5 0.000043290855000000006 0.3616 AML other m 2016-10-31T06:21:59.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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