Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 31-10-2016 and time 00:17:49 (Italy) in region 2 km NE Preci (PG)

A magnitude ML 1.9 earthquake occured in region: 2 km NE Preci (PG), on

  • 30-10-2016 23:17:49 (UTC)
  • 31-10-2016 00:17:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 13.0540 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.

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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 2 724 724
Visso MC 6 1107 1831
Castelsantangelo sul Nera MC 8 281 2112
Ussita MC 9 444 2556
Sellano PG 10 1079 3635
Norcia PG 11 4957 8592
Monte Cavallo MC 12 145 8737
Cerreto di Spoleto PG 14 1075 9812
Fiordimonte MC 17 202 10014
Pieve Torina MC 17 1458 11472
Bolognola MC 18 142 11614
Fiastra MC 18 559 12173
Acquacanina MC 19 121 12294
Cascia PG 19 3217 15511
Pievebovigliana MC 20 866 16377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
59 Km W of Teramo (54892 inhabitants)
59 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
99 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 1.9 2016-10-30
23:17:49		 42.8895 13.0543 10 2019-02-12
14:03:24		 Bollettino Sismico Italiano INGV 48674831
Reviewed
Rev100 		ML 2.4 2016-10-30
23:17:49		 42.8868 13.0542 10 2016-10-30
23:27:25		 Sala Sismica INGV-Roma 31157971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 23:17:49 ± 0.03
Latitude 42.8895 ± 0.0018
Longitude 13.0543 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 48674831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 228
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
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) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.83907
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 48674831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-08-04 10:06:03

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 31157971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-30 23:27:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACS.HHZ. 2016-10-30T23:18:05.86 0.6 undecidable manual P 268 93.1401 50 0.53 39
IV.FSSB.HHZ. 2016-10-30T23:18:05.56 0.6 undecidable manual P 346 91.9413 50 0.43 40
IV.RM33.EHZ. 2016-10-30T23:18:04.16 0.6 undecidable manual S 163 44.2224 50 0.28 45
IV.T1211.EHZ. 2016-10-30T23:18:03.99 0.6 undecidable manual S 202 42.7239 50 0.5 43
IV.ASSB.HHZ. 2016-10-30T23:18:01.62 0.6 undecidable manual S 298 36.3414 50 -0.16 47
IV.FIAM.HHZ. 2016-10-30T23:18:01.74 0.3 undecidable manual P 176 69.1752 50 0.12 67
IV.MDAR.HNN. 2016-10-30T23:18:01.12 0.6 undecidable manual S 12 34.3434 50 -0.14 47
IV.GUMA.HHZ. 2016-10-30T23:18:00.47 0.6 undecidable manual S 50 29.8479 50 0.43 45
IV.T1204.EHZ. 2016-10-30T23:18:00.56 0.6 undecidable manual S 138 31.9458 50 -0.03 49
IV.T1241.EHZ. 2016-10-30T23:18:00.34 0.6 undecidable manual S 97 30.8469 50 0.03 49
IV.LNSS.HHZ. 2016-10-30T23:18:00.53 0.6 undecidable manual S 182 31.8459 50 -0.04 49
IV.GIGS.HHZ. 2016-10-30T23:18:00.66 0.3 undecidable manual P 139 64.2912 50 -0.22 66
IV.OFFI.HHZ. 2016-10-30T23:17:59.82 0.6 undecidable manual P 84 51.5151 50 0.91 36
IV.TERO.HHZ. 2016-10-30T23:17:59.06 0.6 undecidable manual P 123 53.7018 50 -0.17 45
IV.T1220.EHN. 2016-10-30T23:17:58.53 0.6 undecidable manual S 7 24.6531 50 -0.12 48
IV.CSP1.EHE. 2016-10-30T23:17:58.78 0.6 undecidable manual S 29 25.5522 50 -0.12 48
IV.ATCC.EHZ. 2016-10-30T23:17:58.36 0.6 undecidable manual P 314 46.9197 50 0.16 46
IV.CAMP.HHZ. 2016-10-30T23:17:58.27 0.3 undecidable manual P 143 48.7179 50 -0.21 68
XO.AM05.EHZ. 2016-10-30T23:17:58.84 0.6 undecidable manual S 68 26.1516 50 -0.21 47
IV.CESX.HHZ. 2016-10-30T23:17:58.48 0.3 undecidable manual P 231 49.2174 50 -0.08 70
IV.T1244.EHZ. 2016-10-30T23:17:58.78 0.6 undecidable manual S 126 24.6531 50 0.12 48
IV.T1211.EHZ. 2016-10-30T23:17:57.54 0.3 undecidable manual P 202 42.7239 50 -0.02 72
IV.MMO1.EHZ. 2016-10-30T23:17:57.67 0.6 undecidable manual S 87 22.1556 115 -0.27 47
IV.RM33.EHZ. 2016-10-30T23:17:57.71 0.6 undecidable manual P 163 44.2224 50 -0.07 47
IV.T1217.EHZ. 2016-10-30T23:17:57.70 0.6 undecidable manual S 207 22.0668 115 -0.21 48
IV.ARRO.EHZ. 2016-10-30T23:17:57.26 0.3 undecidable manual P 214 41.7249 50 -0.14 70
IV.SNTG.HHZ. 2016-10-30T23:17:57.23 0.3 undecidable manual P 347 41.625 50 -0.15 70
IV.T1215.EHZ. 2016-10-30T23:17:56.44 0.6 undecidable manual S 237 17.9709 120 -0.21 48
IV.MDAR.HNN. 2016-10-30T23:17:56.03 0.3 undecidable manual P 12 34.3434 50 -0.24 70
IV.T1243.HHZ. 2016-10-30T23:17:56.67 0.3 undecidable manual P 124 38.5281 50 -0.24 69
IV.ASSB.HHZ. 2016-10-30T23:17:56.42 0.1 positive manual P 298 36.3414 50 -0.14 94
IV.T1256.HHZ. 2016-10-30T23:17:56.90 0.6 undecidable manual S 47 19.0698 118 -0.07 49
IV.FDMO.HHN. 2016-10-30T23:17:56.09 0.6 undecidable manual S 9 16.5723 122 -0.12 49
IV.SMA1.EHZ. 2016-10-30T23:17:56.56 0.3 undecidable manual P 141 36.741 50 -0.07 72
IV.LNSS.HHZ. 2016-10-30T23:17:55.89 0.3 undecidable manual P 182 31.8459 50 0.02 73
IV.GUMA.HHZ. 2016-10-30T23:17:55.75 0.1 positive manual P 50 29.8479 50 0.19 95
IV.T1204.EHZ. 2016-10-30T23:17:55.77 0.3 undecidable manual P 138 31.9458 50 -0.11 72
IV.T1241.EHZ. 2016-10-30T23:17:55.80 0.3 undecidable manual P 97 30.8469 50 0.07 72
XO.AM05.EHZ. 2016-10-30T23:17:54.97 0.1 positive manual P 68 26.1516 50 -0.03 98
IV.T1244.EHZ. 2016-10-30T23:17:54.83 0.1 undecidable manual P 126 24.6531 50 0.06 98
IV.FEMA.HNZ. 2016-10-30T23:17:54.14 0.6 undecidable manual S 357 8.0808 142 0.14 50
IV.T1220.EHN. 2016-10-30T23:17:54.66 0.1 undecidable manual P 7 24.6531 50 -0.11 97
IV.CSP1.EHE. 2016-10-30T23:17:54.79 0.1 undecidable manual P 29 25.5522 50 -0.12 97
IV.MMO1.EHZ. 2016-10-30T23:17:54.24 0.1 positive manual P 87 22.1556 115 -0.11 97
IV.T1245.HNZ. 2016-10-30T23:17:54.85 0.6 undecidable manual S 109 11.4774 132 0.04 50
IV.T1217.EHZ. 2016-10-30T23:17:54.26 0.1 undecidable manual P 207 22.0668 115 -0.08 98
IV.T1215.EHZ. 2016-10-30T23:17:53.67 0.1 positive manual P 237 17.9709 120 0.07 99
IV.T1256.HHZ. 2016-10-30T23:17:53.77 0.1 undecidable manual P 47 19.0698 118 -0.02 100
IV.FDMO.HHN. 2016-10-30T23:17:53.49 0.1 undecidable manual P 9 16.5723 122 0.14 98
IV.T1216.EHZ. 2016-10-30T23:17:53.07 0.3 undecidable manual S 273 2.8971 164 -0.1 76
IV.T1245.HNZ. 2016-10-30T23:17:52.68 0.1 undecidable manual P 109 11.4774 132 0.13 99
IV.FEMA.HNZ. 2016-10-30T23:17:52.28 0.1 undecidable manual P 357 8.0808 142 0.2 98
IV.T1216.EHZ. 2016-10-30T23:17:51.74 0.1 undecidable manual P 273 2.8971 164 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.HNN. ML:1.8 0.00032040184999999996 0.1024 AML other m 2016-10-30T23:18:01.45
XO.AM05.EHE. ML:2.2 0.0009311644999999999 0.0768 AML other m 2016-10-30T23:18:01.50
XO.AM05.EHN. ML:1.2 0.0000990947 0.0768 AML other m 2016-10-30T23:18:01.45
XO.AM05.HNE. ML:1.6 0.0002063584 0.0896 AML other m 2016-10-30T23:17:59.81
IV.ARRO.EHE. ML:1.9 0.00023656329999999999 0.1792 AML other m 2016-10-30T23:18:04.38
IV.ARRO.EHN. ML:1.8 0.00018846859999999997 0.1408 AML other m 2016-10-30T23:18:04.77
IV.ASSB.HHN. ML:2.2 0.00059631675 0.2688 AML other m 2016-10-30T23:18:02.05
IV.ASSB.HHE. ML:2.0 0.00035069635 0.1024 AML other m 2016-10-30T23:18:04.04
IV.ATCC.EHE. ML:2.0 0.00028689935 0.1536 AML other m 2016-10-30T23:18:07.00
IV.ATCC.EHN. ML:1.9 0.00023311925 0.256 AML other m 2016-10-30T23:18:05.37
IV.CAMP.HHN. ML:1.6 0.0000929606 0.4096 AML other m 2016-10-30T23:18:05.31
IV.CAMP.HHE. ML:1.6 0.00009598959 0.2048 AML other m 2016-10-30T23:18:14.49
IV.CESX.HHE. ML:1.7 0.00013439245 0.3968 AML other m 2016-10-30T23:18:14.64
IV.CESX.HHN. ML:1.7 0.00013772056999999997 0.2048 AML other m 2016-10-30T23:18:06.88
IV.FEMA.HNE. ML:2.6 0.0055956645 0.2048 AML other m 2016-10-30T23:17:54.22
IV.FEMA.HNN. ML:2.3 0.0027262915 0.128 AML other m 2016-10-30T23:17:54.71
IV.FIAM.HHN. ML:1.6 0.00007675087999999999 0.3584 AML other m 2016-10-30T23:18:12.22
IV.FIAM.HHE. ML:1.8 0.000094670065 0.256 AML other m 2016-10-30T23:18:11.46
IV.FSSB.HHE. ML:2.0 0.00011116247000000001 0.384 AML other m 2016-10-30T23:18:28.74
IV.FSSB.HHN. ML:2.1 0.00015589885 0.3712 AML other m 2016-10-30T23:18:23.29
IV.GIGS.HHN. ML:1.1 0.000025204395 0.0896 AML other m 2016-10-30T23:18:10.99
IV.GIGS.HHE. ML:1.2 0.00003164942 0.1792 AML other m 2016-10-30T23:18:11.29
IV.GUMA.HNN. ML:2.2 0.0007396252999999999 0.3584 AML other m 2016-10-30T23:18:01.90
IV.GUMA.HHN. ML:2.2 0.0007208276500000001 0.6912 AML other m 2016-10-30T23:18:06.27
IV.GUMA.HNE. ML:2.2 0.0008599985 0.3712 AML other m 2016-10-30T23:18:03.51
IV.GUMA.HHE. ML:2.3 0.0010273356 0.3968 AML other m 2016-10-30T23:18:03.70
IV.OFFI.HHE. ML:2.0 0.00024304765 0.3584 AML other m 2016-10-30T23:18:13.40
IV.OFFI.HHN. ML:2.2 0.00040195015 0.704 AML other m 2016-10-30T23:18:08.97
IV.RM33.EHE. ML:1.7 0.0001616924 0.1408 AML other m 2016-10-30T23:18:05.61
IV.RM33.EHN. ML:1.8 0.00017107135 0.1408 AML other m 2016-10-30T23:18:06.04
IV.RM33.HNE. ML:1.8 0.00018466345 0.192 AML other m 2016-10-30T23:18:05.44
IV.RM33.HNN. ML:1.8 0.0001958066 0.1536 AML other m 2016-10-30T23:18:06.04
IV.SACS.HHN. ML:1.5 0.00003567812 0.5248 AML other m 2016-10-30T23:18:23.30
IV.SMA1.EHE. ML:1.9 0.00031784464999999997 0.2176 AML other m 2016-10-30T23:18:04.51
IV.SMA1.EHN. ML:1.8 0.0002275935 0.1408 AML other m 2016-10-30T23:18:04.04
IV.SNTG.HHN. ML:1.7 0.00016177025 0.1792 AML other m 2016-10-30T23:18:05.16
IV.SNTG.HHE. ML:1.6 0.0001242666 0.0896 AML other m 2016-10-30T23:18:05.98
IV.SNTG.HNE. ML:1.7 0.00015204484 0.2816 AML other m 2016-10-30T23:18:03.71
IV.SNTG.HNN. ML:1.7 0.00016472605 0.4224 AML other m 2016-10-30T23:18:11.44
IV.T1204.EHE. ML:2.0 0.00052528445 0.1408 AML other m 2016-10-30T23:18:01.68
IV.T1204.EHN. ML:1.9 0.0003299327 0.1152 AML other m 2016-10-30T23:18:01.63
IV.T1215.HNN. ML:1.8 0.00058006435 0.0768 AML other m 2016-10-30T23:17:56.51
IV.T1215.EHE. ML:2.0 0.0008448174999999998 0.0768 AML other m 2016-10-30T23:17:56.54
IV.T1215.EHN. ML:1.9 0.00061664735 0.0768 AML other m 2016-10-30T23:17:56.51
IV.T1215.HNE. ML:2.0 0.0008582899 0.0768 AML other m 2016-10-30T23:17:56.54
IV.T1217.EHE. ML:2.0 0.0007537579999999999 0.1664 AML other m 2016-10-30T23:17:57.84
IV.T1217.EHN. ML:2.2 0.00098373145 0.1664 AML other m 2016-10-30T23:17:58.06
IV.T1217.HNN. ML:2.2 0.0009843536499999999 0.1664 AML other m 2016-10-30T23:17:58.06
IV.T1217.HNE. ML:2.0 0.0007650291 0.1664 AML other m 2016-10-30T23:17:57.75
IV.T1241.EHN. ML:2.3 0.0010389668000000002 0.1792 AML other m 2016-10-30T23:18:00.58
IV.T1241.HNN. ML:2.3 0.0010321500000000014 0.3072 AML other m 2016-10-30T23:18:00.58
IV.T1241.HNE. ML:2.2 0.0008221999999999952 0.256 AML other m 2016-10-30T23:18:00.82
IV.T1241.EHE. ML:2.2 0.0007877334 0.2176 AML other m 2016-10-30T23:18:00.96
IV.TERO.HHE. ML:1.9 0.00020219015 0.1152 AML other m 2016-10-30T23:18:07.24
IV.TERO.HHN. ML:2.1 0.00027667359999999995 0.1024 AML other m 2016-10-30T23:18:07.38
IV.TERO.HNN. ML:2.0 0.00023664599999999997 0.1024 AML other m 2016-10-30T23:18:07.33
IV.TERO.HNE. ML:1.9 0.0001807546 0.1408 AML other m 2016-10-30T23:18:07.24
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
Waveforms Seismic signals in miniseed + resp format Download