Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 31-12-2016 and time 13:57:14 (Italy) in region 3 km SE Ussita (MC)

A magnitude ML 2.2 earthquake occured in region: 3 km SE Ussita (MC), on

  • 31-12-2016 12:57:14 (UTC)
  • 31-12-2016 13:57:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9280, 13.1720 at 16 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
Ussita MC 3 444 444
Castelsantangelo sul Nera MC 4 281 725
Visso MC 7 1107 1832
Bolognola MC 9 142 1974
Acquacanina MC 11 121 2095
Fiastra MC 12 559 2654
Preci PG 12 724 3378
Montemonaco AP 13 604 3982
Montefortino FM 14 1178 5160
Fiordimonte MC 14 202 5362
Monte Cavallo MC 16 145 5507
Sarnano MC 16 3264 8771
Amandola FM 16 3629 12400
Montegallo AP 16 523 12923
Norcia PG 16 4957 17880
Pieve Torina MC 16 1458 19338
Pievebovigliana MC 17 866 20204
Arquata del Tronto AP 20 1178 21382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
67 Km N of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
100 Km NW of Pescara (121014 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 2.2 2016-12-31
12:57:14		 42.9282 13.1723 16 2019-07-19
13:23:55		 Bollettino Sismico Italiano INGV 63282641
Reviewed
Rev100 		ML 2.3 2016-12-31
12:57:14		 42.9263 13.1733 16 2016-12-31
13:03:41		 Sala Sismica INGV-Roma 38140301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-31 12:57:14 ± 0.03
Latitude 42.9282 ± 0.0009
Longitude 13.1723 ± 0.0025
Depth (km) 16 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63282641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 197
Semi-minor axis of confidence ellipse (meter) 55
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 82
Number of defining phases 78
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66100
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 48
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 38140301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-31 13:03:41

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 63282641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-22 11:38:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.EHZ. 2016-12-31T12:57:43.88 3.0 undecidable manual Pg 2.81 0
IV.T1246.HHZ. 2016-12-31T12:57:29.43 0.6 undecidable manual S 146 46.3203 99 -0.01 47
IV.FIAM.HHZ. 2016-12-31T12:57:27.13 0.1 undecidable manual P 184 73.371 95 -0.15 86
IV.SMA1.EHZ. 2016-12-31T12:57:26.47 0.1 undecidable manual S 158 35.5422 103 -0.16 92
IV.T1243.HHZ. 2016-12-31T12:57:26.05 0.3 undecidable manual S 139 34.1436 103 -0.2 69
IV.SSM1.HNZ. 2016-12-31T12:57:26.14 0.3 undecidable manual S 1 33.3444 104 0.09 71
IV.T1299.EHZ. 2016-12-31T12:57:26.26 0.1 undecidable manual S 165 33.8439 104 0.09 94
IV.T1217.HNZ. 2016-12-31T12:57:25.68 0.3 undecidable manual S 219 30.9468 105 0.24 68
IV.GIGS.HHZ. 2016-12-31T12:57:25.31 0.1 undecidable manual P 148 61.9935 96 -0.22 87
IV.MDAR.HNZ. 2016-12-31T12:57:25.18 0.3 undecidable manual S 355 29.4483 107 0.14 71
IV.SEF1.HNZ. 2016-12-31T12:57:25.55 0.6 undecidable manual S 323 30.3474 106 0.28 46
IV.T1218.EHZ. 2016-12-31T12:57:25.09 0.1 undecidable manual S 189 29.0487 107 0.16 93
IV.CESX.HHZ. 2016-12-31T12:57:25.09 0.1 undecidable manual P 234 59.3961 96 -0.05 90
IV.T1204.EHZ. 2016-12-31T12:57:25.46 0.3 undecidable manual S 157 30.3474 106 0.19 69
IV.MURB.HHZ. 2016-12-31T12:57:25.55 0.1 undecidable manual P 306 64.2912 96 -0.34 84
IV.T1202.EHZ. 2016-12-31T12:57:24.37 0.3 undecidable manual S 170 25.2525 111 0.38 67
IV.T1215.EHZ. 2016-12-31T12:57:24.72 0.3 undecidable manual S 241 28.4493 107 -0.06 72
IV.MOMA.HHZ. 2016-12-31T12:57:24.01 0.1 undecidable manual P 254 50.9157 98 0.18 89
IV.T1221.EHZ. 2016-12-31T12:57:24.68 0.3 undecidable manual S 254 27.4503 108 0.13 70
IV.T1247.HHZ. 2016-12-31T12:57:24.32 0.1 undecidable manual P 169 54.9006 97 -0.13 90
IV.ARRO.EHZ. 2016-12-31T12:57:23.80 0.1 undecidable manual P 221 50.9157 98 -0.04 92
IV.TERO.HHZ. 2016-12-31T12:57:23.38 0.1 undecidable manual P 134 48.8178 98 -0.14 90
IV.T1213.HNZ. 2016-12-31T12:57:23.45 0.3 undecidable manual S 190 22.8549 114 0.06 72
IV.CING.HHZ. 2016-12-31T12:57:23.69 0.1 undecidable manual P 2 49.7169 98 0.04 92
IV.RM33.EHZ. 2016-12-31T12:57:23.08 0.1 undecidable manual P 176 46.62 99 -0.11 91
IV.T1211.EHZ. 2016-12-31T12:57:23.91 0.1 undecidable manual P 211 50.9157 98 0.07 91
IV.T1244.HNZ. 2016-12-31T12:57:23.36 0.3 undecidable manual S 152 21.5673 115 0.29 69
IV.T1220.EHZ. 2016-12-31T12:57:23.03 0.3 undecidable manual S 341 21.2676 116 0.02 73
IV.CESI.HHZ. 2016-12-31T12:57:23.66 0.3 undecidable manual S 291 23.3544 113 0.15 71
IV.CAMP.HHZ. 2016-12-31T12:57:23.16 0.1 undecidable manual P 156 47.619 98 -0.17 90
IV.SNTG.HHZ. 2016-12-31T12:57:22.41 0.1 undecidable manual P 333 40.8258 100 0.1 93
IV.CSP1.EHZ. 2016-12-31T12:57:22.29 0.1 undecidable manual S 8 18.3705 121 -0.03 97
IV.GUMA.HHZ. 2016-12-31T12:57:22.98 0.1 undecidable manual S 41 19.9689 118 0.29 93
IV.ASSB.HHZ. 2016-12-31T12:57:22.72 3.0 negative manual P -0.23 0
IV.T1219.EHZ. 2016-12-31T12:57:22.35 0.1 undecidable manual S 316 19.6692 119 -0.27 92
IV.T1241.EHZ. 2016-12-31T12:57:22.91 0.1 undecidable manual S 111 22.4553 114 -0.39 90
IV.T1246.HHZ. 2016-12-31T12:57:22.97 0.1 undecidable manual P 146 46.3203 99 -0.17 90
IV.T1214.EHZ. 2016-12-31T12:57:22.69 0.1 undecidable manual S 171 18.9699 120 0.24 93
IV.T1212.EHZ. 2016-12-31T12:57:22.97 0.3 undecidable manual S 208 22.1556 115 -0.25 70
IV.EL6.EHZ. 2016-12-31T12:57:22.74 0.1 undecidable manual P 353 44.9217 99 -0.18 90
IV.OFFI.HHZ. 2016-12-31T12:57:22.90 0.6 undecidable manual P 89 41.7249 100 0.46 43
IV.T1243.HHZ. 2016-12-31T12:57:21.13 0.1 undecidable manual P 139 34.1436 103 -0.16 92
IV.SSM1.HNZ. 2016-12-31T12:57:21.08 0.1 undecidable manual P 1 33.3444 104 -0.1 93
IV.T1299.EHZ. 2016-12-31T12:57:21.29 0.1 undecidable manual P 165 33.8439 104 0.04 95
IV.MNTP.HNZ. 2016-12-31T12:57:21.67 0.3 undecidable manual P 46 33.4443 104 0.48 65
IV.SMA1.EHZ. 2016-12-31T12:57:21.49 0.1 negative manual P 158 35.5422 103 -0.02 95
IV.T1216.EHZ. 2016-12-31T12:57:21.01 0.3 undecidable manual S 252 13.1757 133 -0.19 72
IV.LNSS.HHZ. 2016-12-31T12:57:21.66 0.1 undecidable manual P 197 37.629 102 -0.16 92
IV.FDMO.HHZ. 2016-12-31T12:57:21.13 0.3 undecidable manual S 330 13.875 131 -0.22 71
IV.MC2.EHZ. 2016-12-31T12:57:20.00 0.3 undecidable manual S 144 2.2977 170 0.21 72
IV.FEMA.HNZ. 2016-12-31T12:57:20.67 0.1 undecidable manual S 291 10.6782 140 -0.07 98
IV.T1245.HHZ. 2016-12-31T12:57:20.13 0.3 undecidable manual S 171 8.0808 148 -0.21 72
IV.MMO1.HNZ. 2016-12-31T12:57:20.82 3.0 undecidable manual S -0.26 0
IV.T1217.HNZ. 2016-12-31T12:57:20.85 0.1 undecidable manual P 219 30.9468 105 0.03 95
IV.T1202.EHZ. 2016-12-31T12:57:20.06 0.1 undecidable manual P 170 25.2525 111 0.07 96
IV.T1215.EHZ. 2016-12-31T12:57:20.41 0.1 undecidable manual P 241 28.4493 107 -0.03 96
IV.T1256.HHZ. 2016-12-31T12:57:20.38 0.3 undecidable manual S 27 9.6792 143 -0.21 71
IV.MDAR.HNZ. 2016-12-31T12:57:20.55 0.1 undecidable manual P 355 29.4483 107 -0.05 95
IV.SEF1.HNZ. 2016-12-31T12:57:20.91 0.1 undecidable manual P 323 30.3474 106 0.18 93
IV.T1218.EHZ. 2016-12-31T12:57:20.55 0.1 undecidable manual P 189 29.0487 107 0.02 96
IV.NRCA.HNZ. 2016-12-31T12:57:20.50 0.3 undecidable manual S 204 11.4774 137 -0.4 69
IV.T1204.EHZ. 2016-12-31T12:57:20.77 0.1 undecidable manual P 157 30.3474 106 0.04 95
IV.T1221.EHZ. 2016-12-31T12:57:20.39 0.1 undecidable manual P 254 27.4503 108 0.08 95
IV.T1201.HNZ. 2016-12-31T12:57:20.96 0.1 undecidable manual P 168 30.747 106 0.18 93
IV.T1214.EHZ. 2016-12-31T12:57:19.16 0.1 positive manual P 171 18.9699 120 0.06 97
IV.T1212.EHZ. 2016-12-31T12:57:19.57 0.1 positive manual P 208 22.1556 115 0.03 97
IV.T1244.HNZ. 2016-12-31T12:57:19.57 0.1 undecidable manual P 152 21.5673 115 0.11 95
IV.T1220.EHZ. 2016-12-31T12:57:19.36 0.1 undecidable manual P 341 21.2676 116 -0.06 96
IV.CESI.HHZ. 2016-12-31T12:57:19.80 0.3 undecidable manual P 291 23.3544 113 0.09 72
IV.CSP1.EHZ. 2016-12-31T12:57:19.08 0.1 negative manual P 8 18.3705 121 0.06 97
IV.GUMA.HHZ. 2016-12-31T12:57:19.49 0.1 undecidable manual P 41 19.9689 118 0.25 93
IV.T1213.HNZ. 2016-12-31T12:57:19.50 0.1 undecidable manual P 190 22.8549 114 -0.14 95
IV.T1219.EHZ. 2016-12-31T12:57:19.16 0.1 undecidable manual P 316 19.6692 119 -0.04 97
IV.T1241.EHZ. 2016-12-31T12:57:19.50 0.1 negative manual P 111 22.4553 114 -0.09 96
IV.T1256.HHZ. 2016-12-31T12:57:18.07 0.1 negative manual P 27 9.6792 143 0.05 99
IV.T1216.EHZ. 2016-12-31T12:57:18.41 0.1 positive manual P 252 13.1757 133 0.03 98
IV.NRCA.HNZ. 2016-12-31T12:57:18.18 0.1 positive manual P 204 11.4774 137 -0.02 99
IV.FDMO.HHZ. 2016-12-31T12:57:18.42 0.1 negative manual P 330 13.875 131 -0.04 98
IV.FEMA.HNZ. 2016-12-31T12:57:18.28 0.1 undecidable manual P 291 10.6782 140 0.17 96
IV.MMO1.HNZ. 2016-12-31T12:57:18.34 3.0 negative manual P 0.03 0
IV.MC2.EHZ. 2016-12-31T12:57:17.61 0.1 undecidable manual P 144 2.2977 170 0.05 100
IV.T1245.HHZ. 2016-12-31T12:57:17.96 0.1 positive manual P 171 8.0808 148 0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1256.HHN. ML:2.3 0.0017549999999999998 0.48 AML other m 2016-12-31T12:57:20.87
IV.T1256.HHE. ML:2.4 0.002145 0.3 AML other m 2016-12-31T12:57:20.78
IV.FDMO.HHE. ML:2.1 0.000906 0.24 AML other m 2016-12-31T12:57:21.21
IV.T1216.EHN. ML:2.5 0.002665 0.32 AML other m 2016-12-31T12:57:21.22
IV.FDMO.HHN. ML:2.3 0.001495 0.26 AML other m 2016-12-31T12:57:21.45
IV.T1216.EHE. ML:2.2 0.0013900000000000002 0.68 AML other m 2016-12-31T12:57:21.73
IV.CSP1.EHN. ML:2.5 0.0019199999999999998 0.52 AML other m 2016-12-31T12:57:22.68
IV.CSP1.EHE. ML:2.4 0.0016 0.28 AML other m 2016-12-31T12:57:22.73
IV.T1219.HNN. ML:2.2 0.00099 0.38 AML other m 2016-12-31T12:57:22.75
IV.T1219.EHN. ML:2.2 0.00094 0.38 AML other m 2016-12-31T12:57:22.75
IV.T1219.EHE. ML:1.9 0.0005669999999999999 1.32 AML other m 2016-12-31T12:57:23.28
IV.T1219.HNE. ML:1.9 0.0005475000000000001 0.26 AML other m 2016-12-31T12:57:23.28
IV.GUMA.HHE. ML:2.6 0.0023200000000000004 0.3 AML other m 2016-12-31T12:57:23.54
IV.T1214.HNE. ML:2.2 0.0009865 0.5 AML other m 2016-12-31T12:57:23.19
IV.T1214.EHE. ML:2.2 0.0009559999999999999 0.5 AML other m 2016-12-31T12:57:23.20
IV.T1212.EHN. ML:2.3 0.0011385 0.16 AML other m 2016-12-31T12:57:23.46
IV.T1212.EHE. ML:2.1 0.0007264999999999999 0.5 AML other m 2016-12-31T12:57:23.50
IV.T1214.HNN. ML:2.1 0.0009335 0.24 AML other m 2016-12-31T12:57:23.58
IV.T1214.EHN. ML:2.1 0.0009255 0.24 AML other m 2016-12-31T12:57:23.58
IV.GUMA.HHN. ML:2.7 0.0029100000000000003 0.94 AML other m 2016-12-31T12:57:23.67
IV.T1241.EHN. ML:2.0 0.000617 0.12 AML other m 2016-12-31T12:57:23.89
IV.T1241.EHE. ML:2.0 0.0005914999999999999 1.78 AML other m 2016-12-31T12:57:23.06
IV.CESI.HHN. ML:2.3 0.0011864999999999998 1.72 AML other m 2016-12-31T12:57:23.98
IV.CESI.HHE. ML:2.2 0.000823 0.68 AML other m 2016-12-31T12:57:24.13
IV.T1218.EHE. ML:2.0 0.0005095000000000001 0.12 AML other m 2016-12-31T12:57:25.89
IV.T1218.EHN. ML:2.2 0.00074 1.8 AML other m 2016-12-31T12:57:25.03
IV.T1299.EHE. ML:1.9 0.0003075 0.76 AML other m 2016-12-31T12:57:27.41
IV.T1299.EHN. ML:2.0 0.000348 0.88 AML other m 2016-12-31T12:57:27.52
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