Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 16-01-2017 and time 09:34:52 (Italy) in region 6 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 6 km NW Accumoli (RI), on

  • 16-01-2017 08:34:52 (UTC)
  • 16-01-2017 09:34:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 13.1870 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
Accumoli RI 6 667 667
Arquata del Tronto AP 10 1178 1845
Norcia PG 11 4957 6802
Cittareale RI 12 482 7284
Amatrice RI 14 2657 9941
Cascia PG 14 3217 13158
Montegallo AP 18 523 13681
Acquasanta Terme AP 19 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
48 Km E of Terni (111501 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
91 Km W of Chieti (51815 inhabitants)
95 Km E 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
Reviewed
Rev100 		ML 2.0 2017-01-16
08:34:52		 42.7277 13.1868 9 2017-01-16
08:41:33		 Sala Sismica INGV-Roma 39127921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-16 08:34:52 ± 0.05
Latitude 42.7277 ± 0.0027
Longitude 13.1868 ± 0.0049
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 39127921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 342
Semi-minor axis of confidence ellipse (meter) 326
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.60434
Number of stations at which the event was observed 19
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 15
Type of magnitude ML
Reference to an origin 39127921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-16 08:41:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2017-01-16T08:35:12.54 0.1 undecidable manual S 341 61.7937 50 0.95 69
IV.T1220.EHZ. 2017-01-16T08:35:07.09 0.1 undecidable manual S 349 43.1235 50 0.48 86
IV.GIGS.HHZ. 2017-01-16T08:35:06.40 0.1 undecidable manual S 134 43.8228 50 -0.39 88
IV.GUMA.HHZ. 2017-01-16T08:35:06.37 0.1 undecidable manual S 18 39.0276 50 0.85 75
IV.CESI.HHZ. 2017-01-16T08:35:05.20 0.1 undecidable manual S 323 38.3283 50 -0.13 93
IV.CSP1.EHZ. 2017-01-16T08:35:05.82 0.1 undecidable manual S 2 40.4262 50 -0.06 95
IV.T1211.EHZ. 2017-01-16T08:35:04.27 0.1 undecidable manual S 232 34.6431 50 -0.07 95
IV.EL6.EHZ. 2017-01-16T08:35:04.13 0.1 undecidable manual P 354 67.0773 50 -0.08 90
IV.T1256.HHZ. 2017-01-16T08:35:03.17 0.1 undecidable manual S 6 31.0467 50 -0.21 93
IV.SNTG.HHZ. 2017-01-16T08:35:03.59 0.1 undecidable manual P 341 61.7937 50 0.19 88
IV.CAMP.HHZ. 2017-01-16T08:35:02.07 0.1 undecidable manual S 140 27.9498 108 -0.36 91
IV.RM33.EHZ. 2017-01-16T08:35:01.23 0.1 undecidable manual S 175 24.3534 111 -0.02 98
IV.T1215.EHZ. 2017-01-16T08:35:01.96 0.1 undecidable manual S 288 27.1506 109 -0.21 94
IV.T1241.EHZ. 2017-01-16T08:35:01.15 0.1 undecidable manual S 54 24.4533 111 -0.14 96
IV.GUMA.HHZ. 2017-01-16T08:35:00.12 0.1 undecidable manual P 18 39.0276 50 0.22 92
IV.GIGS.HHZ. 2017-01-16T08:35:00.32 0.1 undecidable manual P 134 43.8228 50 -0.31 89
IV.T1216.EHZ. 2017-01-16T08:35:00.50 0.3 undecidable manual S 323 22.6551 112 -0.2 71
IV.T1220.EHZ. 2017-01-16T08:35:00.35 0.1 undecidable manual P 349 43.1235 50 -0.18 92
IV.LNSS.HHZ. 2017-01-16T08:34:59.60 0.1 undecidable manual S 221 18.2706 117 0.28 94
IV.T1211.EHZ. 2017-01-16T08:34:59.02 0.1 undecidable manual P 232 34.6431 50 -0.19 93
IV.CESI.HHZ. 2017-01-16T08:34:59.67 0.1 undecidable manual P 323 38.3283 50 -0.12 94
IV.CSP1.EHZ. 2017-01-16T08:34:59.88 0.1 undecidable manual P 2 40.4262 50 -0.22 91
IV.T1256.HHZ. 2017-01-16T08:34:58.28 0.1 undecidable manual P 6 31.0467 50 -0.38 90
IV.T1299.EHZ. 2017-01-16T08:34:58.29 0.1 undecidable manual S 143 12.9759 125 0.56 88
IV.NRCA.HNZ. 2017-01-16T08:34:57.45 0.1 undecidable manual S 333 13.1757 125 -0.33 94
IV.T1241.EHZ. 2017-01-16T08:34:57.34 0.1 positive manual P 54 24.4533 111 -0.11 96
IV.RM33.EHZ. 2017-01-16T08:34:57.38 0.1 negative manual P 175 24.3534 111 -0.05 97
IV.T1215.EHZ. 2017-01-16T08:34:57.79 0.1 positive manual P 288 27.1506 109 -0.17 94
IV.T1216.EHZ. 2017-01-16T08:34:57.00 0.1 undecidable manual P 323 22.6551 112 -0.11 96
IV.CAMP.HHZ. 2017-01-16T08:34:57.88 0.1 undecidable manual P 140 27.9498 108 -0.23 93
IV.SMA1.EHZ. 2017-01-16T08:34:56.16 0.1 undecidable manual P 132 16.1727 120 0.21 96
IV.LNSS.HHZ. 2017-01-16T08:34:56.51 0.1 positive manual P 221 18.2706 117 0.2 96
IV.T1218.EHZ. 2017-01-16T08:34:56.71 0.1 undecidable manual S 222 8.6802 137 0.12 99
IV.NRCA.HNZ. 2017-01-16T08:34:55.41 0.1 undecidable manual P 333 13.1757 125 -0.01 100
IV.T1299.EHZ. 2017-01-16T08:34:55.80 0.1 negative manual P 143 12.9759 125 0.41 92
IV.T1218.EHZ. 2017-01-16T08:34:54.93 0.1 positive manual P 222 8.6802 137 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.7 0.0001945 0.26 AML other m 2017-01-16T08:35:05.81
IV.CESI.HHE. ML:1.7 0.0001795 0.54 AML other m 2017-01-16T08:35:05.84
IV.CSP1.EHE. ML:1.8 0.0002405 0.46 AML other m 2017-01-16T08:35:06.37
IV.CSP1.EHN. ML:1.9 0.000296 0.26 AML other m 2017-01-16T08:35:07.66
IV.GUMA.HHE. ML:2.5 0.001065 0.28 AML other m 2017-01-16T08:35:06.73
IV.GUMA.HHN. ML:2.5 0.001145 0.42 AML other m 2017-01-16T08:35:06.81
IV.GUMA.HNE. ML:2.4 0.000893 1.08 AML other m 2017-01-16T08:35:07.39
IV.GUMA.HNN. ML:3.0 0.003163 0.42 AML other m 2017-01-16T08:35:04.01
IV.LNSS.HHN. ML:2.3 0.001745 0.16 AML other m 2017-01-16T08:34:59.73
IV.LNSS.HHE. ML:2.3 0.001625 1.24 AML other m 2017-01-16T08:35:00.84
IV.NRCA.HNE. ML:2.1 0.0014849999999999998 0.7 AML other m 2017-01-16T08:34:58.18
IV.NRCA.HHE. ML:2.2 0.00158 0.7 AML other m 2017-01-16T08:34:58.18
IV.NRCA.HNN. ML:2.1 0.0014399999999999999 0.7 AML other m 2017-01-16T08:34:58.20
IV.NRCA.HHN. ML:2.2 0.00155 0.14 AML other m 2017-01-16T08:34:58.27
IV.RM33.EHN. ML:2.0 0.000671 0.22 AML other m 2017-01-16T08:35:01.56
IV.RM33.EHE. ML:1.8 0.0004355 0.58 AML other m 2017-01-16T08:35:02.62
IV.SMA1.EHE. ML:2.0 0.001019 0.56 AML other m 2017-01-16T08:35:02.69
IV.SMA1.EHN. ML:2.0 0.0008765000000000001 1.16 AML other m 2017-01-16T08:35:01.01
IV.T1211.HNE. ML:1.9 0.00034399999999999996 0.92 AML other m 2017-01-16T08:35:05.83
IV.T1211.HNN. ML:2.2 0.0006134999999999999 0.3 AML other m 2017-01-16T08:35:04.72
IV.T1211.EHE. ML:1.9 0.000345 0.32 AML other m 2017-01-16T08:35:05.84
IV.T1211.EHN. ML:2.2 0.0006115 0.32 AML other m 2017-01-16T08:35:04.73
IV.T1215.HNN. ML:1.5 0.0001785 0.4 AML other m 2017-01-16T08:35:04.06
IV.T1215.EHE. ML:1.5 0.000177 0.38 AML other m 2017-01-16T08:35:02.05
IV.T1215.HNE. ML:1.6 0.0001985 0.36 AML other m 2017-01-16T08:35:02.05
IV.T1215.EHN. ML:1.5 0.0001825 0.14 AML other m 2017-01-16T08:35:02.29
IV.T1216.EHE. ML:1.7 0.00033999999999999997 1.36 AML other m 2017-01-16T08:35:05.70
IV.T1216.EHN. ML:1.8 0.0004165 0.42 AML other m 2017-01-16T08:35:03.92
IV.T1218.HNN. ML:2.5 0.00477 0.2 AML other m 2017-01-16T08:34:56.76
IV.T1218.EHN. ML:2.5 0.004804999999999999 0.22 AML other m 2017-01-16T08:34:56.76
IV.T1218.HNE. ML:2.2 0.0023450000000000003 1.16 AML other m 2017-01-16T08:34:57.88
IV.T1218.EHE. ML:2.2 0.00221 1.16 AML other m 2017-01-16T08:34:57.88
IV.T1220.HNN. ML:2.1 0.0003805 1.34 AML other m 2017-01-16T08:35:10.68
IV.T1220.EHN. ML:2.1 0.000361 1.36 AML other m 2017-01-16T08:35:10.69
IV.T1220.HNE. ML:2.2 0.00045900000000000004 0.46 AML other m 2017-01-16T08:35:12.52
IV.T1220.EHE. ML:2.2 0.00046300000000000003 0.48 AML other m 2017-01-16T08:35:12.53
IV.T1241.HNN. ML:1.8 0.00040500000000000003 0.42 AML other m 2017-01-16T08:35:02.58
IV.T1241.HNE. ML:1.8 0.000398 0.26 AML other m 2017-01-16T08:35:01.38
IV.T1256.HHE. ML:1.7 0.0002395 0.46 AML other m 2017-01-16T08:35:03.86
IV.T1256.HHN. ML:1.6 0.00017199999999999998 0.68 AML other m 2017-01-16T08:35:04.51
IV.T1299.HNN. ML:2.0 0.0011485 0.3 AML other m 2017-01-16T08:34:58.55
IV.T1299.EHN. ML:2.0 0.001185 0.3 AML other m 2017-01-16T08:34:58.55
IV.T1299.HNE. ML:1.7 0.0005785 0.2 AML other m 2017-01-16T08:34:59.56
IV.T1299.EHE. ML:1.7 0.0005669999999999999 0.2 AML other m 2017-01-16T08:34:59.67
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