Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 26-10-2016 and time 21:58:05 (UTC) in region 5 km E Preci (PG)

A magnitude ML 1.9 earthquake occured in region: 5 km E Preci (PG), on

  • 26-10-2016 21:58:05 (UTC)
  • 26-10-2016 23:58:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8720, 13.0950 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 5 724 724
Castelsantangelo sul Nera MC 6 281 1005
Visso MC 7 1107 2112
Norcia PG 9 4957 7069
Ussita MC 9 444 7513
Sellano PG 14 1079 8592
Cerreto di Spoleto PG 16 1075 9667
Monte Cavallo MC 16 145 9812
Bolognola MC 18 142 9954
Cascia PG 18 3217 13171
Fiordimonte MC 19 202 13373
Acquacanina MC 19 121 13494
Fiastra MC 19 559 14053
Montemonaco AP 19 604 14657
Pieve Torina MC 20 1458 16115
Montegallo AP 20 523 16638
Arquata del Tronto AP 20 1178 17816

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
63 Km E of Perugia (166134 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
95 Km NE 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
Bulletin
Rev1000 		ML 1.9 2016-10-26
21:58:05		 42.8718 13.0947 10 2019-02-12
14:01:33		 Bollettino Sismico Italiano INGV 57073211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-26 21:58:05 ± 0.04
Latitude 42.8718 ± 0.0027
Longitude 13.0947 ± 0.0037
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 57073211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 57073211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-21 10:27:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2016-10-26T21:58:21.35 0.6 undecidable manual S 123 49.8168 50 0.14 46
IV.T1243.HHZ. 2016-10-26T21:58:17.15 0.6 undecidable manual S 124 34.743 50 -0.03 48
IV.SMA1.EHZ. 2016-10-26T21:58:16.55 0.6 undecidable manual S 144 33.1446 50 -0.22 47
IV.GUMA.HNN. 2016-10-26T21:58:15.96 0.6 undecidable manual S 43 28.8489 50 0.37 46
IV.T1204.EHZ. 2016-10-26T21:58:15.47 0.6 undecidable manual S 140 28.2495 50 0.02 49
IV.LNSS.HHZ. 2016-10-26T21:58:15.84 0.6 undecidable manual S 188 30.1476 50 -0.11 48
IV.T1241.EHZ. 2016-10-26T21:58:14.84 0.6 undecidable manual S 93 27.4503 50 -0.38 46
IV.CSP1.EHE. 2016-10-26T21:58:14.57 0.6 undecidable manual S 20 25.9518 50 -0.27 47
XO.AM05.HNZ. 2016-10-26T21:58:14.09 0.6 undecidable manual S 61 24.0537 113 -0.22 47
IV.TERO.HHZ. 2016-10-26T21:58:14.46 0.3 undecidable manual P 123 49.8168 50 -0.01 71
IV.CESI.HHZ. 2016-10-26T21:58:13.30 0.6 undecidable manual S 314 21.3675 116 -0.18 48
IV.T1217.EHZ. 2016-10-26T21:58:13.56 0.6 undecidable manual S 217 22.1556 115 -0.17 48
IV.MMO1.HNZ. 2016-10-26T21:58:12.51 0.6 undecidable manual S 81 19.0698 118 -0.27 47
IV.T1243.HHZ. 2016-10-26T21:58:12.14 0.3 undecidable manual P 124 34.743 50 0 73
IV.T1215.EHZ. 2016-10-26T21:58:12.67 0.6 undecidable manual S 247 19.9689 117 -0.37 46
IV.SMA1.EHZ. 2016-10-26T21:58:12.13 0.3 undecidable manual P 144 33.1446 50 0.23 70
IV.LNSS.HHZ. 2016-10-26T21:58:11.92 0.3 undecidable manual P 188 30.1476 50 0.49 67
IV.GUMA.HNN. 2016-10-26T21:58:11.40 0.1 undecidable manual P 43 28.8489 50 0.17 95
IV.T1204.EHZ. 2016-10-26T21:58:11.18 0.3 undecidable manual P 140 28.2495 50 0.04 73
XO.AM05.HNZ. 2016-10-26T21:58:10.48 0.3 undecidable manual P 61 24.0537 113 -0.01 74
IV.T1217.EHZ. 2016-10-26T21:58:10.11 0.1 undecidable manual P 217 22.1556 115 -0.04 99
IV.T1241.EHZ. 2016-10-26T21:58:10.76 0.1 positive manual P 93 27.4503 50 -0.25 94
IV.CSP1.EHE. 2016-10-26T21:58:10.69 0.3 undecidable manual P 20 25.9518 50 -0.1 73
IV.FEMA.HNZ. 2016-10-26T21:58:10.42 0.6 undecidable manual S 340 10.6782 134 0.04 50
IV.MC2.EHZ. 2016-10-26T21:58:10.33 0.6 undecidable manual S 60 8.7801 139 0.38 47
IV.CESI.HHZ. 2016-10-26T21:58:09.95 0.3 undecidable manual P 314 21.3675 116 -0.05 74
IV.T1216.EHZ. 2016-10-26T21:58:09.46 0.3 undecidable manual S 289 6.4935 148 0 77
IV.MMO1.HNZ. 2016-10-26T21:58:09.65 0.1 undecidable manual P 81 19.0698 118 0.05 99
IV.T1245.HNZ. 2016-10-26T21:58:09.51 0.6 undecidable manual S 103 7.7811 143 -0.21 49
IV.T1215.EHZ. 2016-10-26T21:58:09.75 0.1 undecidable manual P 247 19.9689 117 0 100
IV.T1245.HNZ. 2016-10-26T21:58:08.20 0.1 positive manual P 103 7.7811 143 0.37 95
IV.FEMA.HNZ. 2016-10-26T21:58:08.43 0.3 undecidable manual P 340 10.6782 134 0.21 73
IV.MC2.EHZ. 2016-10-26T21:58:07.65 0.3 undecidable manual P 60 8.7801 139 -0.32 72
IV.T1216.EHZ. 2016-10-26T21:58:07.83 0.3 undecidable manual P 289 6.4935 148 0.14 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1216.EHN. ML:2.2 0.002319639 0.1792 AML other m 2016-10-26T21:58:09.66
IV.T1216.EHE. ML:2.1 0.00194679715 0.2304 AML other m 2016-10-26T21:58:10.68
IV.T1245.HHE. ML:2.5 0.0044322125 0.1664 AML other m 2016-10-26T21:58:10.09
IV.T1245.HHN. ML:2.6 0.005827596 0.1664 AML other m 2016-10-26T21:58:10.41
IV.T1245.HNE. ML:2.5 0.004660939500000001 0.1024 AML other m 2016-10-26T21:58:10.21
IV.T1245.HNN. ML:2.6 0.005884537 0.1664 AML other m 2016-10-26T21:58:10.41
IV.FEMA.HNE. ML:2.0 0.0012950849999999999 0.192 AML other m 2016-10-26T21:58:10.66
IV.FEMA.HNN. ML:1.9 0.001050009 0.2176 AML other m 2016-10-26T21:58:13.30
IV.T1215.EHE. ML:1.6 0.000263144865 0.2432 AML other m 2016-10-26T21:58:13.25
IV.T1215.EHN. ML:1.5 0.0002538849999999999 0.1664 AML other m 2016-10-26T21:58:13.36
IV.T1215.HNE. ML:1.6 0.00027167105000000004 0.2432 AML other m 2016-10-26T21:58:13.25
IV.T1215.HNN. ML:1.6 0.00026878172 0.192 AML other m 2016-10-26T21:58:13.24
IV.CESI.HHE. ML:2.0 0.00074979615 0.2176 AML other m 2016-10-26T21:58:13.48
IV.CESI.HHN. ML:2.1 0.0009856385 0.2688 AML other m 2016-10-26T21:58:13.52
IV.T1217.EHN. ML:1.7 0.000316237 0.3072 AML other m 2016-10-26T21:58:13.70
IV.T1217.HNN. ML:1.7 0.00035969174999999997 0.2944 AML other m 2016-10-26T21:58:14.36
IV.T1217.HNE. ML:1.6 0.0002432484 0.1792 AML other m 2016-10-26T21:58:14.93
IV.T1217.EHE. ML:1.6 0.0002406975 0.1792 AML other m 2016-10-26T21:58:14.93
IV.T1241.EHN. ML:2.0 0.0005151779000000001 0.2816 AML other m 2016-10-26T21:58:15.12
IV.T1241.EHE. ML:2.0 0.0005721745499999999 0.1536 AML other m 2016-10-26T21:58:15.26
IV.T1204.EHN. ML:1.7 0.000271058 0.128 AML other m 2016-10-26T21:58:16.31
IV.T1204.EHE. ML:1.8 0.0003112675 0.1408 AML other m 2016-10-26T21:58:17.66
IV.LNSS.HHN. ML:1.9 0.0003687652 0.1024 AML other m 2016-10-26T21:58:18.25
IV.LNSS.HHE. ML:2.0 0.00046353785 0.1152 AML other m 2016-10-26T21:58:16.68
IV.SMA1.EHN. ML:1.6 0.0001846276 0.448 AML other m 2016-10-26T21:58:22.18
IV.SMA1.EHE. ML:1.7 0.00022067815000000003 0.256 AML other m 2016-10-26T21:58:20.49
IV.TERO.HHE. ML:2.0 0.00023951675000000001 0.1408 AML other m 2016-10-26T21:58:22.26
IV.TERO.HNE. ML:1.9 0.00022419085000000003 0.1408 AML other m 2016-10-26T21:58:22.33
IV.TERO.HNN. ML:1.8 0.00014917254999999996 0.1024 AML other m 2016-10-26T21:58:22.03
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