Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 26-10-2016 and time 22:58:51 (UTC) in region 4 km NW Visso (MC)

A magnitude ML 2.5 earthquake occured in region: 4 km NW Visso (MC), on

  • 26-10-2016 22:58:51 (UTC)
  • 27-10-2016 00:58:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9610, 13.0530 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
Visso MC 4 1107 1107
Monte Cavallo MC 6 145 1252
Ussita MC 7 444 1696
Preci PG 9 724 2420
Fiordimonte MC 9 202 2622
Pieve Torina MC 9 1458 4080
Castelsantangelo sul Nera MC 11 281 4361
Pievebovigliana MC 12 866 5227
Fiastra MC 12 559 5786
Acquacanina MC 13 121 5907
Sellano PG 13 1079 6986
Muccia MC 14 915 7901
Bolognola MC 15 142 8043
Serravalle di Chienti MC 15 1070 9113
Norcia PG 19 4957 14070
Cerreto di Spoleto PG 19 1075 15145
Camerino MC 20 6974 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
98 Km S of Fano (60888 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 2016-10-26
22:58:51		 42.9608 13.0533 10 2019-02-12
14:01:25		 Bollettino Sismico Italiano INGV 46326581
Reviewed
Rev100 		ML 2.9 2016-10-26
22:58:51		 42.96 13.0592 10 2016-10-26
23:42:52		 Sala Sismica INGV-Roma 30616351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-26 22:58:51 ± 0.04
Latitude 42.9608 ± 0.0018
Longitude 13.0533 ± 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 46326581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53600
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 46326581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-06 08:52:27

ML:2.9

Field Value
Value 2.9
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 30616351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-26 23:42:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1211.EHZ. 2016-10-26T22:59:06.61 0.6 undecidable manual S 199 50.1165 50 -0.57 40
IV.ATCC.EHZ. 2016-10-26T22:59:05.33 0.6 undecidable manual S 307 41.7249 50 0.4 43
IV.EL6.EHZ. 2016-10-26T22:59:04.60 0.6 undecidable manual S 5 41.0256 50 -0.14 45
IV.T1204.EHZ. 2016-10-26T22:59:04.10 0.6 undecidable manual S 146 38.2284 50 0.12 46
IV.LNSS.HHZ. 2016-10-26T22:59:04.53 0.3 undecidable manual S 182 39.7269 50 0.14 68
IV.T1241.EHZ. 2016-10-26T22:59:02.32 3.0 undecidable manual S -0.09 0
IV.SNTG.HHZ. 2016-10-26T22:59:02.82 0.1 undecidable manual S 344 33.8439 50 -0.01 94
IV.CAMP.HHZ. 2016-10-26T22:59:01.09 3.0 positive manual P 148 55.3002 50 -0.1 45
IV.TERO.HHZ. 2016-10-26T22:59:01.50 0.1 undecidable manual P 130 58.497 50 -0.17 87
IV.MURB.HHZ. 2016-10-26T22:59:01.02 0.6 undecidable manual P 308 54.4011 50 -0.02 45
IV.OFFI.HHZ. 2016-10-26T22:59:01.28 0.3 undecidable manual P 93 51.4152 50 0.69 57
IV.T1217.EHZ. 2016-10-26T22:59:01.76 0.1 undecidable manual S 200 29.3484 50 0.14 93
IV.ATFO.HHZ. 2016-10-26T22:59:01.72 0.6 undecidable manual P 319 59.496 50 -0.12 44
IV.GUMA.HHZ. 2016-10-26T22:59:00.75 0.1 undecidable manual S 64 25.4523 50 0.16 93
IV.T1211.EHZ. 2016-10-26T22:59:00.64 3.0 positive manual P 199 50.1165 50 0.25 44
IV.CESX.HHZ. 2016-10-26T22:59:00.94 0.3 undecidable manual P 224 54.501 50 -0.13 67
IV.MMO1.EHZ. 2016-10-26T22:58:59.57 0.1 undecidable manual S 107 23.2545 114 -0.36 89
IV.T1215.EHZ. 2016-10-26T22:58:59.80 0.1 undecidable manual S 220 23.1546 114 -0.11 94
IV.T1243.HHZ. 2016-10-26T22:58:59.14 0.6 undecidable manual P 132 43.5231 50 -0.23 44
IV.LNSS.HHZ. 2016-10-26T22:58:58.72 0.1 undecidable manual P 182 39.7269 50 -0.07 92
IV.EL6.EHZ. 2016-10-26T22:58:58.78 0.1 undecidable manual P 5 41.0256 50 -0.21 89
IV.ATCC.EHZ. 2016-10-26T22:58:58.89 0.3 undecidable manual P 307 41.7249 50 -0.2 67
IV.T1204.EHZ. 2016-10-26T22:58:58.66 0.3 undecidable manual P 146 38.2284 50 0.11 69
IV.T1217.EHZ. 2016-10-26T22:58:57.14 0.1 undecidable manual P 200 29.3484 50 -0.05 94
IV.T1241.EHZ. 2016-10-26T22:58:57.34 3.0 positive manual P -0.29 0
IV.SNTG.HHZ. 2016-10-26T22:58:57.74 1.0 positive manual P 344 33.8439 50 -0.14 23
IV.T1245.HHZ. 2016-10-26T22:58:57.74 0.6 undecidable manual S 137 15.9729 123 0.06 48
IV.CESI.HHZ. 2016-10-26T22:58:56.85 0.1 undecidable manual S 292 12.9759 128 0 98
IV.MMO1.EHZ. 2016-10-26T22:58:56.00 0.1 undecidable manual P 107 23.2545 114 -0.21 92
IV.MC2.EHZ. 2016-10-26T22:58:56.77 0.6 undecidable manual S 116 12.2766 130 0.11 48
IV.T1215.EHZ. 2016-10-26T22:58:56.18 0.1 positive manual P 220 23.1546 114 -0.01 96
IV.GUMA.HHZ. 2016-10-26T22:58:56.57 0.1 positive manual P 64 25.4523 50 -0.02 96
IV.T1216.EHZ. 2016-10-26T22:58:55.68 0.1 undecidable manual S 200 8.2806 141 0.01 99
IV.T1245.HHZ. 2016-10-26T22:58:55.13 0.6 negative manual P 137 15.9729 123 0.22 47
IV.CESI.HHZ. 2016-10-26T22:58:54.49 0.1 positive manual P 292 12.9759 128 0.06 97
IV.FEMA.HNZ. 2016-10-26T22:58:54.64 0.1 undecidable manual S 294 0.2997 178 -0.01 100
IV.MC2.EHZ. 2016-10-26T22:58:54.65 0.6 negative manual P 116 12.2766 130 0.33 46
IV.FEMA.HNZ. 2016-10-26T22:58:53.26 0.1 positive manual P 294 0.2997 178 0.1 98
IV.T1216.EHZ. 2016-10-26T22:58:53.90 0.1 positive manual P 200 8.2806 141 0.15 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.HNE. ML:1.8 0.0003626471 0.832 AML other m 2016-10-26T22:59:00.06
XO.AM05.EHE. ML:2.5 0.001820499 1.792 AML other m 2016-10-26T22:59:00.06
IV.CESI.HHE. ML:2.4 0.0024113155 0.4608 AML other m 2016-10-26T22:58:57.22
IV.CESI.HHN. ML:2.5 0.0030835955 0.2304 AML other m 2016-10-26T22:58:57.19
IV.FEMA.HNE. ML:3.0 0.01709842 0.2304 AML other m 2016-10-26T22:58:54.75
IV.FEMA.HNN. ML:2.8 0.012527390000000001 0.3968 AML other m 2016-10-26T22:58:54.77
IV.GUMA.HHE. ML:2.3 0.0011545985000000001 0.4224 AML other m 2016-10-26T22:59:01.54
IV.GUMA.HHN. ML:2.7 0.0031732130000000002 0.2432 AML other m 2016-10-26T22:59:00.88
IV.T1215.EHN. ML:2.4 0.0017793935000000002 0.3456 AML other m 2016-10-26T22:59:00.15
IV.T1215.HNN. ML:2.4 0.001745859 0.3328 AML other m 2016-10-26T22:58:59.98
IV.T1216.EHE. ML:2.6 0.006038113 0.3072 AML other m 2016-10-26T22:58:55.90
IV.T1216.EHN. ML:2.5 0.0044527295000000005 0.2944 AML other m 2016-10-26T22:58:55.94
IV.T1217.EHN. ML:2.5 0.0015944254999999997 0.1664 AML other m 2016-10-26T22:59:02.20
IV.T1217.HNE. ML:2.4 0.001284554 0.9344 AML other m 2016-10-26T22:59:02.01
IV.T1241.EHN. ML:2.4 0.0010520055 0.4608 AML other m 2016-10-26T22:59:02.60
IV.T1241.EHE. ML:2.5 0.001284829 0.6528 AML other m 2016-10-26T22:59:02.55
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download