Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 27-10-2016 and time 16:17:23 (Italy) in region 4 km SE Preci (PG)

A magnitude ML 2.5 earthquake occured in region: 4 km SE Preci (PG), on

  • 27-10-2016 14:17:23 (UTC)
  • 27-10-2016 16:17:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 13.0720 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 4 724 724
Norcia PG 7 4957 5681
Castelsantangelo sul Nera MC 8 281 5962
Visso MC 9 1107 7069
Ussita MC 12 444 7513
Sellano PG 12 1079 8592
Cerreto di Spoleto PG 13 1075 9667
Cascia PG 16 3217 12884
Monte Cavallo MC 17 145 13029
Poggiodomo PG 19 117 13146
Vallo di Nera PG 19 364 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
56 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
62 Km E of Perugia (166134 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
99 Km N of Guidonia Montecelio (88673 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 2.5 2016-10-27
14:17:23		 42.8533 13.0715 10 2019-02-12
14:01:31		 Bollettino Sismico Italiano INGV 54100841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-27 14:17:23 ± 0.03
Latitude 42.8533 ± 0.0018
Longitude 13.0715 ± 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 54100841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 229
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
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) 63
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86515
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 38
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 21
Type of magnitude ML
Reference to an origin 54100841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-23 01:54:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-10-27T14:17:47.03 3.0 undecidable manual S 0
IV.EL6.EHE. 2016-10-27T14:17:41.10 0.6 undecidable manual S 3 52.9026 50 0.3 44
IV.PTQR.HHZ. 2016-10-27T14:17:40.11 0.6 undecidable manual P 164 96.0261 50 -0.22 41
IV.SNTG.HHZ. 2016-10-27T14:17:39.30 0.3 undecidable manual S 347 45.8208 50 0.38 66
IV.GAG1.HNE. 2016-10-27T14:17:38.00 0.3 undecidable manual S 360 42.7239 50 -0.09 70
IV.FSSB.HHZ. 2016-10-27T14:17:38.56 3.0 negative manual P -2.58 0
IV.VCEL.EHN. 2016-10-27T14:17:38.16 0.6 undecidable manual P 129 80.7636 50 0.18 43
IV.FRON.EHZ. 2016-10-27T14:17:37.54 0.3 undecidable manual P 339 78.8655 50 -0.13 65
IV.FAGN.HHZ. 2016-10-27T14:17:37.92 0.6 undecidable manual P 147 77.4669 50 0.46 41
IV.T1243.HHZ. 2016-10-27T14:17:36.10 0.3 undecidable manual S 119 35.2425 50 0 72
IV.ARVD.HHZ. 2016-10-27T14:17:36.84 3.0 undecidable manual P 0
IV.MDAR.HNN. 2016-10-27T14:17:36.80 0.1 undecidable manual S 9 38.1285 50 -0.06 95
IV.SEF1.HNN. 2016-10-27T14:17:35.60 0.6 undecidable manual S 343 34.0437 50 -0.19 47
IV.FIAM.HHN. 2016-10-27T14:17:35.83 0.3 undecidable manual P 177 64.9905 50 0.28 65
IV.GUMA.HNN. 2016-10-27T14:17:35.30 0.6 undecidable manual S 43 31.5462 50 0.18 47
IV.GIGS.HHN. 2016-10-27T14:17:34.96 0.3 undecidable manual P 137 60.3951 50 0.14 67
IV.FOSV.EHZ. 2016-10-27T14:17:34.09 1.0 undecidable manual P 333 55.1004 50 0.08 23
IV.LNSS.HHZ. 2016-10-27T14:17:34.00 0.1 undecidable manual S 185 27.8499 50 -0.14 95
IV.T1241.HNN. 2016-10-27T14:17:33.80 0.3 undecidable manual S 89 29.2485 50 -0.7 61
XO.AM05.EHZ. 2016-10-27T14:17:33.60 0.3 undecidable manual S 59 26.6511 110 -0.17 71
IV.EL6.EHE. 2016-10-27T14:17:33.73 0.3 undecidable manual P 3 52.9026 50 0.06 69
IV.MMO1.EHZ. 2016-10-27T14:17:32.00 0.3 undecidable manual S 76 21.3675 114 -0.07 73
IV.T1247.HHZ. 2016-10-27T14:17:32.96 0.6 undecidable manual P 158 49.3173 50 -0.16 46
IV.CAMP.HHE. 2016-10-27T14:17:32.33 0.1 undecidable manual P 142 44.7219 50 -0.08 94
IV.CESX.HHE. 2016-10-27T14:17:32.69 0.6 undecidable manual P 236 47.9187 50 -0.22 45
IV.SNTG.HHZ. 2016-10-27T14:17:32.66 0.6 undecidable manual P 347 45.8208 50 0.08 47
IV.T1246.HHN. 2016-10-27T14:17:32.40 1.0 undecidable manual P 131 45.5211 50 -0.15 23
IV.RM33.HNE. 2016-10-27T14:17:31.53 0.3 undecidable manual P 163 39.9267 50 -0.15 70
IV.T1243.HHZ. 2016-10-27T14:17:31.27 0.3 undecidable manual P 119 35.2425 50 0.31 68
IV.MDAR.HNN. 2016-10-27T14:17:31.34 0.3 undecidable manual P 9 38.1285 50 -0.05 71
IV.ARRO.EHZ. 2016-10-27T14:17:31.54 0.3 undecidable manual P 219 39.3273 50 -0.04 71
IV.T1217.HNZ. 2016-10-27T14:17:31.50 0.1 undecidable manual S 216 19.3695 117 0.05 98
IV.GAG1.HNE. 2016-10-27T14:17:31.92 0.3 undecidable manual P 360 42.7239 50 -0.18 69
IV.CESI.HHZ. 2016-10-27T14:17:31.90 0.3 undecidable manual S 321 21.5673 114 -0.24 71
IV.T1211.HNN. 2016-10-27T14:17:31.91 0.6 undecidable manual P 206 39.7269 50 0.27 45
IV.MURB.HHZ. 2016-10-27T14:17:31.02 3.0 undecidable manual S 0
IV.GUMA.HNN. 2016-10-27T14:17:30.56 0.3 undecidable manual P 43 31.5462 50 0.17 71
IV.SEF1.HNN. 2016-10-27T14:17:30.97 0.3 undecidable manual P 343 34.0437 50 0.19 70
IV.T1215.EHZ. 2016-10-27T14:17:30.70 0.3 undecidable manual S 251 17.4714 119 -0.16 72
IV.SMA1.EHN. 2016-10-27T14:17:30.80 0.3 undecidable manual P 139 32.745 50 0.23 69
IV.T1299.HNN. 2016-10-27T14:17:30.04 0.6 undecidable manual P 145 29.748 50 -0.07 48
IV.MC2.EHZ. 2016-10-27T14:17:29.30 0.3 undecidable manual S 56 11.4774 130 0.15 73
IV.T1201.HNN. 2016-10-27T14:17:29.39 0.6 undecidable manual P 146 26.1516 110 -0.13 48
XO.AM05.EHZ. 2016-10-27T14:17:29.61 0.3 positive manual P 59 26.6511 110 0 74
IV.T1241.HNN. 2016-10-27T14:17:29.37 0.3 undecidable manual P 89 29.2485 50 -0.66 62
IV.FEMA.HNZ. 2016-10-27T14:17:29.10 0.3 undecidable manual S 352 12.1767 128 -0.23 72
IV.LNSS.HHZ. 2016-10-27T14:17:29.74 0.3 undecidable manual P 185 27.8499 50 -0.08 72
IV.T1204.EHZ. 2016-10-27T14:17:29.81 0.3 undecidable manual P 134 28.0497 50 -0.03 73
IV.MMO1.EHZ. 2016-10-27T14:17:28.67 0.1 positive manual P 76 21.3675 114 0.05 98
IV.T1217.HNZ. 2016-10-27T14:17:28.37 0.3 undecidable manual P 216 19.3695 117 0.1 73
IV.FDMO.HHN. 2016-10-27T14:17:28.52 0.3 undecidable manual P 4 20.3685 115 0.08 73
IV.T1215.EHZ. 2016-10-27T14:17:28.03 0.1 positive manual P 251 17.4714 119 0.1 98
IV.CESI.HHZ. 2016-10-27T14:17:28.79 1.0 undecidable manual P 321 21.5673 114 0.12 24
IV.T1245.HHZ. 2016-10-27T14:17:28.70 0.3 undecidable manual S 88 9.4794 136 0.07 75
IV.FEMA.HNZ. 2016-10-27T14:17:27.18 1.0 undecidable manual P 352 12.1767 128 0.13 24
IV.T1216.EHZ. 2016-10-27T14:17:27.60 0.3 undecidable manual S 314 5.994 148 -0.27 72
IV.T1245.HHZ. 2016-10-27T14:17:27.00 0.1 undecidable manual P 88 9.4794 136 0.36 94
IV.NRCA.HNZ. 2016-10-27T14:17:27.30 0.1 undecidable manual S 122 4.0959 157 -0.28 96
IV.MC2.EHZ. 2016-10-27T14:17:27.28 0.3 positive manual P 56 11.4774 130 0.34 70
IV.NRCA.HNZ. 2016-10-27T14:17:26.17 0.1 negative manual P 122 4.0959 157 0.14 99
IV.T1216.EHZ. 2016-10-27T14:17:26.29 0.1 negative manual P 314 5.994 148 0.09 100
IV.MURB.HHZ. 2016-10-27T14:17:23.75 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:3.2 0.027553545 0.1088 AML other m 2016-10-27T14:17:27.47
IV.NRCA.HHN. ML:3.2 0.030202554999999996 0.096 AML other m 2016-10-27T14:17:27.42
IV.T1216.EHN. ML:3.1 0.019381515000000002 0.192 AML other m 2016-10-27T14:17:27.72
IV.T1216.EHE. ML:3.0 0.014515944999999999 0.1152 AML other m 2016-10-27T14:17:28.00
IV.NRCA.HHE. ML:2.9 0.01522512 0.1216 AML other m 2016-10-27T14:17:28.04
IV.T1245.HNN. ML:2.7 0.006620537000000001 0.0896 AML other m 2016-10-27T14:17:29.00
IV.T1245.HHN. ML:2.7 0.006514008999999999 0.096 AML other m 2016-10-27T14:17:29.00
IV.FEMA.HNN. ML:2.5 0.0037202055 0.1344 AML other m 2016-10-27T14:17:29.44
IV.T1245.HNE. ML:2.8 0.0085735595 0.1856 AML other m 2016-10-27T14:17:29.42
IV.T1245.HHE. ML:2.8 0.0078721395 0.1984 AML other m 2016-10-27T14:17:29.41
IV.FEMA.HNE. ML:2.6 0.004984132499999999 0.1536 AML other m 2016-10-27T14:17:29.87
IV.T1215.HNN. ML:2.0 0.0007555437 0.096 AML other m 2016-10-27T14:17:31.33
IV.T1215.EHN. ML:2.0 0.0007566634999999999 0.096 AML other m 2016-10-27T14:17:31.33
IV.CESI.HHE. ML:2.0 0.00066505375 0.16 AML other m 2016-10-27T14:17:31.96
IV.T1215.HNE. ML:1.9 0.000718932 0.0768 AML other m 2016-10-27T14:17:32.04
IV.T1215.EHE. ML:1.9 0.0007474129 0.0768 AML other m 2016-10-27T14:17:32.01
IV.CESI.HHN. ML:2.2 0.0012189113 0.1408 AML other m 2016-10-27T14:17:32.36
XO.AM05.HNN. ML:1.9 0.00040789609999999997 0.3392 AML other m 2016-10-27T14:17:33.86
XO.AM05.EHN. ML:1.3 0.00012117482500000001 0.1216 AML other m 2016-10-27T14:17:34.09
XO.AM05.HNE. ML:1.9 0.0004048943 0.0832 AML other m 2016-10-27T14:17:34.85
XO.AM05.EHE. ML:2.6 0.002145802 0.1024 AML other m 2016-10-27T14:17:34.81
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