Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 13-10-2016 and time 18:40:52 (Italy) in region 5 km NW Arquata del Tronto (AP)

A magnitude ML 1.9 earthquake occured in region: 5 km NW Arquata del Tronto (AP), on

  • 13-10-2016 16:40:52 (UTC)
  • 13-10-2016 18:40:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.2470 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
Arquata del Tronto AP 5 1178 1178
Montegallo AP 9 523 1701
Accumoli RI 11 667 2368
Norcia PG 13 4957 7325
Montemonaco AP 13 604 7929
Castelsantangelo sul Nera MC 13 281 8210
Acquasanta Terme AP 14 2916 11126
Montefortino FM 18 1178 12304
Ussita MC 19 444 12748
Amatrice RI 19 2657 15405
Preci PG 19 724 16129
Visso MC 20 1107 17236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NE of Tivoli (56533 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 2016-10-13
16:40:52		 42.7975 13.2468 10 2019-07-19
13:23:13		 Bollettino Sismico Italiano INGV 38474211
Reviewed
Rev100 		ML 1.9 2016-10-13
16:40:52		 42.7937 13.2387 9 2016-10-13
16:48:19		 Sala Sismica INGV-Roma 30156531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-13 16:40:52 ± 0.03
Latitude 42.7975 ± 0.0018
Longitude 13.2468 ± 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 38474211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 261
Semi-minor axis of confidence ellipse (meter) 71
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58906
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 38474211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-01-04 11:35:04

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 30156531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-13 16:48:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCIV.HHZ. 2016-10-13T16:41:17.83 3.0 undecidable manual P 3.56 0
IV.FIAM.HHZ. 2016-10-13T16:41:11.23 0.3 undecidable manual S 190 59.6958 50 0.4 64
IV.CESX.HHZ. 2016-10-13T16:41:09.91 0.3 undecidable manual S 249 57.6978 50 -0.41 64
IV.ATCC.EHZ. 2016-10-13T16:41:04.04 0.1 undecidable manual P 311 65.3901 50 0.22 87
IV.TERO.HHZ. 2016-10-13T16:41:04.20 0.1 undecidable manual S 124 34.9428 50 -0.04 96
IV.CESI.HHZ. 2016-10-13T16:41:04.97 0.3 undecidable manual S 310 36.1416 50 0.43 66
IV.T1246.HHN. 2016-10-13T16:41:03.07 0.1 undecidable manual S 140 31.1466 50 -0.14 94
IV.EL6.EHZ. 2016-10-13T16:41:03.17 0.1 positive manual P 349 60.1953 50 0.15 89
IV.CESX.HHZ. 2016-10-13T16:41:03.01 0.1 undecidable manual P 249 57.6978 50 0.36 86
IV.RM33.EHZ. 2016-10-13T16:41:03.70 0.1 undecidable manual S 185 32.1456 50 0.22 92
IV.FDMO.HHZ. 2016-10-13T16:41:02.60 0.6 undecidable manual S 334 29.5482 50 -0.18 47
IV.GUMA.HHZ. 2016-10-13T16:41:02.75 0.3 undecidable manual S 14 30.2475 50 -0.24 69
IV.T1217.EHZ. 2016-10-13T16:41:02.10 0.3 undecidable manual S 250 27.3504 50 -0.11 72
IV.SNTG.HHZ. 2016-10-13T16:41:02.52 0.1 positive manual P 334 56.499 50 0.06 91
IV.FIAM.HHZ. 2016-10-13T16:41:02.73 0.1 positive manual P 190 59.6958 50 -0.22 88
IV.GIGS.HHZ. 2016-10-13T16:41:00.88 0.1 undecidable manual P 145 46.5201 50 -0.05 93
IV.T1211.EHZ. 2016-10-13T16:41:00.86 0.1 undecidable manual P 228 43.4232 50 0.42 87
IV.T1216.EHZ. 2016-10-13T16:41:00.20 0.6 undecidable manual S 299 21.2676 115 -0.09 48
IV.T1241.HHZ. 2016-10-13T16:40:59.00 0.1 undecidable manual S 66 16.3725 121 0.2 95
IV.T1243.HHZ. 2016-10-13T16:40:59.70 0.6 undecidable manual S 124 19.869 116 -0.17 48
IV.SMA1.EHZ. 2016-10-13T16:40:59.60 0.6 undecidable manual S 159 19.869 116 -0.27 47
IV.T1299.HNN. 2016-10-13T16:40:59.48 0.3 undecidable manual S 171 18.3705 118 0.09 73
IV.CESI.HHZ. 2016-10-13T16:40:59.27 0.1 positive manual P 310 36.1416 50 -0.04 95
IV.RM33.EHZ. 2016-10-13T16:40:58.64 0.1 positive manual P 185 32.1456 50 -0.06 96
IV.FDMO.HHZ. 2016-10-13T16:40:58.18 0.1 positive manual P 334 29.5482 50 -0.12 95
IV.TERO.HHZ. 2016-10-13T16:40:58.93 0.1 undecidable manual P 124 34.9428 50 -0.21 92
IV.T1201.HNN. 2016-10-13T16:40:58.83 0.3 undecidable manual S 179 15.5733 122 0.27 71
IV.CAMP.HHZ. 2016-10-13T16:40:58.46 0.1 positive manual P 155 31.9458 50 -0.2 93
IV.T1204.EHZ. 2016-10-13T16:40:58.40 0.6 undecidable manual S 157 14.6742 124 0.11 49
IV.T1246.HHN. 2016-10-13T16:40:58.29 0.1 negative manual P 140 31.1466 50 -0.25 92
IV.GUMA.HHZ. 2016-10-13T16:40:58.71 0.1 positive manual P 14 30.2475 50 0.29 91
IV.T1215.EHZ. 2016-10-13T16:40:58.32 0.1 undecidable manual P 271 30.747 50 -0.17 94
IV.MC2.EHZ. 2016-10-13T16:40:58.30 0.6 undecidable manual S 340 13.4754 126 0.34 47
IV.MMO1.EHZ. 2016-10-13T16:40:57.70 0.6 undecidable manual S 30 13.0758 127 -0.14 49
IV.NRCA.HNZ. 2016-10-13T16:40:57.20 0.6 undecidable manual S 290 11.4774 131 -0.22 48
IV.T1217.EHZ. 2016-10-13T16:40:57.76 0.1 negative manual P 250 27.3504 50 -0.21 93
IV.T1202.EHZ. 2016-10-13T16:40:57.00 0.3 undecidable manual S 190 10.5783 133 -0.19 73
IV.T1241.HHZ. 2016-10-13T16:40:56.19 0.1 positive manual P 66 16.3725 121 0.19 96
IV.T1299.HNN. 2016-10-13T16:40:56.44 0.1 negative manual P 171 18.3705 118 0.1 97
IV.T1243.HHZ. 2016-10-13T16:40:56.53 0.1 negative manual P 124 19.869 116 -0.09 97
IV.SMA1.EHZ. 2016-10-13T16:40:56.49 0.1 negative manual P 159 19.869 116 -0.13 96
IV.T1201.HNN. 2016-10-13T16:40:56.14 0.1 positive manual P 179 15.5733 122 0.28 94
IV.T1216.EHZ. 2016-10-13T16:40:56.70 0.1 negative manual P 299 21.2676 115 -0.16 95
IV.T1245.HHZ. 2016-10-13T16:40:56.30 0.6 undecidable manual S 324 8.0808 141 -0.3 47
IV.MMO1.EHZ. 2016-10-13T16:40:55.43 0.1 positive manual P 30 13.0758 127 -0.01 100
IV.T1202.EHZ. 2016-10-13T16:40:55.09 0.1 positive manual P 190 10.5783 133 0.02 100
IV.T1204.EHZ. 2016-10-13T16:40:55.80 0.1 negative manual P 157 14.6742 124 0.1 98
IV.MC2.EHZ. 2016-10-13T16:40:55.55 0.1 positive manual P 340 13.4754 126 0.04 99
IV.NRCA.HNZ. 2016-10-13T16:40:55.19 0.1 positive manual P 290 11.4774 131 -0.01 100
IV.T1245.HHZ. 2016-10-13T16:40:54.54 0.1 positive manual P 324 8.0808 141 -0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.7 0.00010085 0.52 AML other m 2016-10-13T16:41:14.97
IV.ATCC.EHE. ML:1.7 0.00009415 0.5 AML other m 2016-10-13T16:41:15.31
IV.CAMP.HHE. ML:1.2 0.00007944999999999999 1.46 AML other m 2016-10-13T16:41:05.08
IV.CAMP.HHN. ML:1.2 0.00007020000000000001 1.44 AML other m 2016-10-13T16:41:10.84
IV.CESI.HHN. ML:1.8 0.0002325 0.18 AML other m 2016-10-13T16:41:07.31
IV.CESI.HHE. ML:1.6 0.0001525 0.12 AML other m 2016-10-13T16:41:05.73
IV.FDMO.HHN. ML:1.7 0.00027249999999999996 0.2 AML other m 2016-10-13T16:41:03.44
IV.FDMO.HHE. ML:1.6 0.0001785 0.58 AML other m 2016-10-13T16:41:03.46
IV.GUMA.HHE. ML:2.2 0.000833 0.4 AML other m 2016-10-13T16:41:05.09
IV.GUMA.HHN. ML:2.1 0.000601 1.56 AML other m 2016-10-13T16:41:06.97
IV.NRCA.HHN. ML:2.3 0.002475 0.44 AML other m 2016-10-13T16:40:57.37
IV.NRCA.HNN. ML:2.3 0.002285 0.44 AML other m 2016-10-13T16:40:57.37
IV.NRCA.HHE. ML:2.4 0.0033 0.16 AML other m 2016-10-13T16:40:57.42
IV.NRCA.HNE. ML:2.4 0.003025 0.16 AML other m 2016-10-13T16:40:57.42
IV.RM33.HNE. ML:1.9 0.000368 0.86 AML other m 2016-10-13T16:41:05.73
IV.RM33.HNN. ML:1.7 0.00022950000000000002 0.34 AML other m 2016-10-13T16:41:04.36
IV.RM33.EHN. ML:1.7 0.00022250000000000001 0.16 AML other m 2016-10-13T16:41:04.37
IV.RM33.EHE. ML:1.7 0.000242 0.62 AML other m 2016-10-13T16:41:06.55
IV.SMA1.EHN. ML:1.8 0.000513 1.26 AML other m 2016-10-13T16:41:05.01
IV.SMA1.EHE. ML:1.8 0.0005200000000000001 0.4 AML other m 2016-10-13T16:41:04.15
IV.SNTG.HHE. ML:1.5 0.00006565 0.48 AML other m 2016-10-13T16:41:13.47
IV.SNTG.HHN. ML:1.4 0.00005964999999999999 0.54 AML other m 2016-10-13T16:41:14.78
IV.T1202.EHN. ML:2.6 0.004894999999999999 0.14 AML other m 2016-10-13T16:40:58.21
IV.T1202.EHE. ML:2.1 0.0016899999999999999 0.42 AML other m 2016-10-13T16:41:46.50
IV.T1245.HHN. ML:2.2 0.0023499999999999997 0.28 AML other m 2016-10-13T16:40:58.22
IV.T1245.HHE. ML:2.0 0.0015699999999999998 1.04 AML other m 2016-10-13T16:40:57.32
IV.T1245.HNE. ML:2.0 0.001585 1.04 AML other m 2016-10-13T16:40:57.32
IV.T1245.HNN. ML:2.2 0.00237 0.28 AML other m 2016-10-13T16:40:58.22
IV.TERO.HHN. ML:1.9 0.00029949999999999996 1.08 AML other m 2016-10-13T16:41:04.43
IV.TERO.HHE. ML:1.9 0.000345 0.1 AML other m 2016-10-13T16:41:04.50
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