Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-10-2016 and time 17:55:45 (Italy) in region 3 km NE Ussita (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km NE Ussita (MC), on

  • 23-10-2016 15:55:45 (UTC)
  • 23-10-2016 17:55:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9680, 13.1500 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Ussita MC 3 444 444
Visso MC 6 1107 1551
Bolognola MC 7 142 1693
Acquacanina MC 7 121 1814
Fiastra MC 8 559 2373
Castelsantangelo sul Nera MC 8 281 2654
Fiordimonte MC 9 202 2856
Pieve Torina MC 12 1458 4314
Pievebovigliana MC 12 866 5180
Monte Cavallo MC 12 145 5325
Preci PG 13 724 6049
Sarnano MC 15 3264 9313
Muccia MC 15 915 10228
Montefortino FM 16 1178 11406
Montemonaco AP 16 604 12010
Amandola FM 17 3629 15639
Cessapalombo MC 18 512 16151
Gualdo MC 19 815 16966
Serravalle di Chienti MC 20 1070 18036
Camerino MC 20 6974 25010
Norcia PG 20 4957 29967
Caldarola MC 20 1823 31790

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
96 Km NW of Montesilvano (53738 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
Reviewed
Rev100 		ML 2.0 2016-10-23
15:55:45		 42.9678 13.1503 9 2016-10-23
16:02:31		 Sala Sismica INGV-Roma 30483201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-23 15:55:45 ± 0.06
Latitude 42.9678 ± 0.0036
Longitude 13.1503 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30483201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72845
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 30483201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-23 16:02:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2016-10-23T15:56:31.99 3.0 undecidable manual S 0.22 0
IV.PIEI.HHZ. 2016-10-23T15:56:12.99 3.0 undecidable manual S 80.8635 0.57 0
IV.MPAG.EHZ. 2016-10-23T15:56:11.99 3.0 undecidable manual S 79.8645 0.27 0
IV.ARVD.HHZ. 2016-10-23T15:56:06.99 3.0 undecidable manual S 61.8936 0.25 0
IV.VIVA.HHZ. 2016-10-23T15:56:05.71 3.0 positive manual P -3.03 0
IV.T0110.HHZ. 2016-10-23T15:56:02.35 3.0 positive manual P -0.43 0
IV.RM33.EHZ. 2016-10-23T15:56:02.72 0.3 undecidable manual S 174 51.2154 50 0.6 61
IV.MPAG.EHZ. 2016-10-23T15:56:00.46 3.0 negative manual P 79.8645 0.35 0
IV.EL6.EHZ. 2016-10-23T15:56:00.99 3.0 undecidable manual S 0.22 0
IV.LNSS.HHZ. 2016-10-23T15:55:59.97 0.3 undecidable manual S 193 41.4252 50 0.44 65
IV.PIEI.HHZ. 2016-10-23T15:55:59.91 3.0 positive manual P 80.8635 -0.24 0
IV.SMA1.EHZ. 2016-10-23T15:55:59.27 0.3 undecidable manual S 158 40.3263 50 0.04 71
IV.FAGN.HHZ. 2016-10-23T15:55:58.35 3.0 undecidable manual P -2.57 0
IV.T1243.HHZ. 2016-10-23T15:55:58.71 0.3 undecidable manual S 141 38.628 50 -0.07 71
IV.ATVO.HHZ. 2016-10-23T15:55:58.84 3.0 positive manual P -0.52 0
IV.ATFO.HHZ. 2016-10-23T15:55:57.53 3.0 negative manual P 0.04 0
IV.GIGS.HHZ. 2016-10-23T15:55:57.26 3.0 positive manual P -0.53 0
IV.T1215.EHZ. 2016-10-23T15:55:56.14 0.3 undecidable manual S 231 29.3484 107 -0.01 73
IV.T1202.EHZ. 2016-10-23T15:55:56.50 0.3 undecidable manual S 168 29.9478 106 0.17 70
IV.ARVD.HHZ. 2016-10-23T15:55:56.88 3.0 positive manual P 61.8936 -0.13 0
IV.ARRO.EHZ. 2016-10-23T15:55:55.21 0.6 undecidable manual P 216 53.3022 50 -0.22 44
IV.RM33.EHZ. 2016-10-23T15:55:54.79 0.1 undecidable manual P 174 51.2154 50 -0.31 87
IV.CING.HHZ. 2016-10-23T15:55:54.33 3.0 negative manual P -0.08 0
IV.OFFI.HHZ. 2016-10-23T15:55:54.89 3.0 positive manual P 0.78 0
IV.ATCC.EHZ. 2016-10-23T15:55:54.53 3.0 positive manual P -0.15 0
IV.MDAR.HNN. 2016-10-23T15:55:54.97 0.6 undecidable manual S 359 24.9528 109 0.28 46
IV.FOSV.EHZ. 2016-10-23T15:55:54.34 3.0 undecidable manual P -0.42 0
IV.CAMP.HHZ. 2016-10-23T15:55:54.86 0.3 undecidable manual P 156 52.3032 50 -0.42 64
IV.CESI.HHZ. 2016-10-23T15:55:53.48 0.3 undecidable manual S 282 20.3685 113 0.28 70
IV.ASSB.HHZ. 2016-10-23T15:55:53.22 3.0 negative manual P -0.23 0
IV.LNSS.HHZ. 2016-10-23T15:55:53.34 0.1 undecidable manual P 193 41.4252 50 -0.26 90
IV.GUMA.HHZ. 2016-10-23T15:55:53.14 0.3 undecidable manual S 55 18.2706 116 0.58 65
IV.SMA1.EHZ. 2016-10-23T15:55:53.77 0.1 undecidable manual P 158 40.3263 50 0.34 89
IV.NRCA.HNZ. 2016-10-23T15:55:52.06 0.3 undecidable manual S 191 15.1737 120 0.46 68
IV.SNTG.HHZ. 2016-10-23T15:55:52.33 3.0 undecidable manual P -0.47 0
XO.AM05.EHZ. 2016-10-23T15:55:52.00 0.3 undecidable manual S 86 16.4724 118 0.02 74
IV.T1243.HHZ. 2016-10-23T15:55:52.74 0.1 undecidable manual P 141 38.628 50 -0.43 87
IV.MMO1.EHZ. 2016-10-23T15:55:51.82 0.3 undecidable manual S 118 16.2726 119 -0.09 73
IV.T1215.EHZ. 2016-10-23T15:55:51.41 0.1 undecidable manual P 231 29.3484 107 -0.24 92
IV.T1216.EHZ. 2016-10-23T15:55:51.48 0.3 undecidable manual S 231 13.6752 123 0.33 70
IV.T1202.EHZ. 2016-10-23T15:55:51.56 0.1 undecidable manual P 168 29.9478 106 -0.2 93
IV.CESI.HHZ. 2016-10-23T15:55:50.04 0.1 undecidable manual P 282 20.3685 113 0.09 97
IV.T1245.HHZ. 2016-10-23T15:55:50.95 0.3 undecidable manual S 166 12.6762 125 0.08 74
IV.MDAR.HNN. 2016-10-23T15:55:50.76 0.6 undecidable manual P 359 24.9528 109 -0.04 48
IV.FDMO.HHZ. 2016-10-23T15:55:49.44 0.3 undecidable manual S 326 9.1797 134 -0.48 68
IV.GUMA.HHZ. 2016-10-23T15:55:49.80 0.1 undecidable manual P 55 18.2706 116 0.22 94
IV.FEMA.HNZ. 2016-10-23T15:55:49.79 0.3 undecidable manual S 266 8.1807 137 0.11 74
IV.MMO1.EHZ. 2016-10-23T15:55:49.15 0.1 undecidable manual P 118 16.2726 119 -0.05 98
IV.MC2.EHZ. 2016-10-23T15:55:49.04 0.3 undecidable manual S 153 6.993 142 -0.37 70
XO.AM05.EHZ. 2016-10-23T15:55:49.47 0.1 undecidable manual P 86 16.4724 118 0.22 95
IV.T1216.EHZ. 2016-10-23T15:55:48.83 0.1 undecidable manual P 231 13.6752 123 0.06 98
IV.NRCA.HNZ. 2016-10-23T15:55:48.94 0.1 undecidable manual P 191 15.1737 120 -0.08 98
IV.T1245.HHZ. 2016-10-23T15:55:48.53 0.1 negative manual P 166 12.6762 125 -0.07 98
IV.MC2.EHZ. 2016-10-23T15:55:47.51 0.1 undecidable manual P 153 6.993 142 -0.25 96
IV.FDMO.HHZ. 2016-10-23T15:55:47.84 0.1 undecidable manual P 326 9.1797 134 -0.21 96
IV.FEMA.HNZ. 2016-10-23T15:55:47.89 0.1 positive manual P 266 8.1807 137 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHE. ML:2.2 0.0015550000000000002 0.14 AML other m 2016-10-23T15:55:52.23
XO.AM05.HNE. ML:1.7 0.0004295 1.12 AML other m 2016-10-23T15:55:52.79
XO.AM05.HNN. ML:1.5 0.000319 0.48 AML other m 2016-10-23T15:55:52.78
XO.AM05.EHN. ML:1.1 0.0001048 0.1 AML other m 2016-10-23T15:55:53.30
IV.ARVD.HHE. ML:1.8 0.00013800000000000002 0.3 AML other m 2016-10-23T15:56:07.01
IV.ARVD.HHN. ML:1.5 0.00006964999999999999 0.24 AML other m 2016-10-23T15:56:07.67
IV.ASSB.HHN. ML:2.2 0.000583 0.44 AML other m 2016-10-23T15:56:00.26
IV.ASSB.HHE. ML:2.1 0.0003915 0.52 AML other m 2016-10-23T15:56:02.53
IV.ATCC.EHE. ML:2.3 0.0005110000000000001 0.24 AML other m 2016-10-23T15:56:03.01
IV.ATCC.EHN. ML:2.1 0.0003505 1.48 AML other m 2016-10-23T15:56:03.29
IV.ATFO.HHE. ML:1.9 0.00014549999999999999 0.5 AML other m 2016-10-23T15:56:14.81
IV.ATFO.HHN. ML:1.8 0.00010405000000000001 0.58 AML other m 2016-10-23T15:56:15.77
IV.ATVO.HHN. ML:1.7 0.000081 0.72 AML other m 2016-10-23T15:56:10.70
IV.ATVO.HHE. ML:1.7 0.000079 1.48 AML other m 2016-10-23T15:56:13.22
IV.CAMP.HHN. ML:1.8 0.000157 0.2 AML other m 2016-10-23T15:56:03.05
IV.CAMP.HHE. ML:1.7 0.000128 0.68 AML other m 2016-10-23T15:56:05.37
IV.CESI.HHE. ML:2.3 0.00156 0.34 AML other m 2016-10-23T15:55:54.10
IV.CESI.HHN. ML:2.3 0.001625 0.3 AML other m 2016-10-23T15:55:54.07
IV.CING.HHN. ML:1.9 0.0002525 0.3 AML other m 2016-10-23T15:56:02.41
IV.CING.HHE. ML:2.2 0.0004165 0.52 AML other m 2016-10-23T15:56:01.89
IV.FDMO.HHN. ML:2.5 0.004465 1.58 AML other m 2016-10-23T15:55:50.10
IV.FDMO.HHE. ML:2.3 0.002785 1.28 AML other m 2016-10-23T15:55:51.41
IV.FEMA.HNN. ML:2.7 0.00723 0.18 AML other m 2016-10-23T15:55:49.92
IV.FEMA.HNE. ML:2.8 0.00957 0.16 AML other m 2016-10-23T15:55:50.24
IV.FOSV.EHE. ML:1.9 0.0002385 0.46 AML other m 2016-10-23T15:56:02.74
IV.FOSV.EHN. ML:2.2 0.00044 0.32 AML other m 2016-10-23T15:56:03.20
IV.GIGS.HHE. ML:1.3 0.000036150000000000005 0.68 AML other m 2016-10-23T15:56:07.18
IV.GIGS.HHN. ML:1.3 0.0000332 0.16 AML other m 2016-10-23T15:56:07.20
IV.GUMA.HHN. ML:2.6 0.00346 0.5 AML other m 2016-10-23T15:55:59.22
IV.GUMA.HHE. ML:2.5 0.002565 0.46 AML other m 2016-10-23T15:55:59.98
IV.LNSS.HHN. ML:1.9 0.00027400000000000005 0.72 AML other m 2016-10-23T15:56:04.71
IV.LNSS.HHE. ML:2.0 0.000299 0.26 AML other m 2016-10-23T15:56:02.43
IV.NRCA.HHE. ML:2.3 0.002065 0.16 AML other m 2016-10-23T15:55:52.60
IV.NRCA.HHN. ML:2.4 0.002205 0.2 AML other m 2016-10-23T15:55:52.31
IV.OFFI.HHN. ML:2.2 0.0004685 0.58 AML other m 2016-10-23T15:56:13.22
IV.OFFI.HHE. ML:1.9 0.0002445 0.54 AML other m 2016-10-23T15:56:11.02
IV.PIEI.HHN. ML:1.7 0.0000631 1.32 AML other m 2016-10-23T15:56:14.92
IV.PIEI.HHE. ML:1.7 0.0000658 0.66 AML other m 2016-10-23T15:56:17.65
IV.RM33.EHN. ML:1.7 0.00012045 1 AML other m 2016-10-23T15:56:04.94
IV.RM33.EHE. ML:1.6 0.0001113 0.96 AML other m 2016-10-23T15:56:06.60
IV.SMA1.EHE. ML:1.9 0.000299 0.66 AML other m 2016-10-23T15:56:05.00
IV.SMA1.EHN. ML:1.9 0.000255 0.58 AML other m 2016-10-23T15:56:09.13
IV.SNTG.HHE. ML:1.8 0.000224 0.62 AML other m 2016-10-23T15:56:01.91
IV.SNTG.HNN. ML:1.9 0.000304 0.54 AML other m 2016-10-23T15:56:04.04
IV.SNTG.HHN. ML:1.8 0.0002445 0.28 AML other m 2016-10-23T15:56:00.24
IV.SNTG.HNE. ML:1.8 0.00022799999999999999 0.64 AML other m 2016-10-23T15:56:01.59
IV.T0110.HHN. ML:1.9 0.00007825 1.38 AML other m 2016-10-23T15:56:18.32
IV.T0110.HHE. ML:1.9 0.00009025 0.52 AML other m 2016-10-23T15:56:32.16
IV.T1202.EHE. ML:1.1 0.00006500000000000006 1.58 AML other m 2016-10-23T15:56:08.84
IV.T1202.EHN. ML:1.0 0.00004850000000000001 1.58 AML other m 2016-10-23T15:55:58.52
IV.T1216.EHN. ML:2.3 0.00227 0.48 AML other m 2016-10-23T15:55:52.12
IV.T1216.EHE. ML:2.1 0.0013385 0.92 AML other m 2016-10-23T15:55:55.50
IV.T1245.HNE. ML:2.2 0.0020099999999999996 0.9 AML other m 2016-10-23T15:55:51.69
IV.T1245.HHE. ML:2.2 0.00193 0.9 AML other m 2016-10-23T15:55:51.69
IV.T1245.HNN. ML:2.2 0.002065 0.28 AML other m 2016-10-23T15:55:54.07
IV.T1245.HHN. ML:2.2 0.00196 0.28 AML other m 2016-10-23T15:55:54.07
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