Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 16-10-2016 and time 19:52:58 (UTC) in region 6 km W Montemonaco (AP)

A magnitude ML 1.6 earthquake occured in region: 6 km W Montemonaco (AP), on

  • 16-10-2016 19:52:58 (UTC)
  • 16-10-2016 21:52:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8850, 13.2630 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
Montemonaco AP 6 604 604
Montegallo AP 8 523 1127
Castelsantangelo sul Nera MC 9 281 1408
Montefortino FM 9 1178 2586
Ussita MC 12 444 3030
Bolognola MC 13 142 3172
Arquata del Tronto AP 13 1178 4350
Amandola FM 13 3629 7979
Comunanza AP 15 3166 11145
Visso MC 15 1107 12252
Palmiano AP 16 196 12448
Sarnano MC 17 3264 15712
Norcia PG 17 4957 20669
Acquasanta Terme AP 18 2916 23585
Roccafluvione AP 18 2010 25595
Acquacanina MC 18 121 25716
Preci PG 18 724 26440
Venarotta AP 19 2066 28506
Fiastra MC 19 559 29065
Montefalcone Appennino FM 20 424 29489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
62 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km NW of Montesilvano (53738 inhabitants)
84 Km S of Ancona (100861 inhabitants)
91 Km NW of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 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 1.6 2016-10-16
19:52:58		 42.8853 13.2628 9 2016-10-16
20:19:24		 Sala Sismica INGV-Roma 30274391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-16 19:52:58 ± 0.05
Latitude 42.8853 ± 0.0036
Longitude 13.2628 ± 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 30274391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 403
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65561
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 30274391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-16 20:19:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2016-10-16T19:53:35.99 3.0 undecidable manual S -3.32 0
IV.LRP.HHZ. 2016-10-16T19:53:21.28 3.0 undecidable manual P -0.85 0
IV.ARVD.HHZ. 2016-10-16T19:53:21.77 0.3 undecidable manual S 339 72.7716 50 0.75 54
IV.ATCC.EHZ. 2016-10-16T19:53:17.97 0.6 undecidable manual S 304 60.495 50 0.23 43
IV.CING.HHZ. 2016-10-16T19:53:16.03 0.6 undecidable manual S 354 54.7008 50 -0.16 44
IV.ARVD.HHZ. 2016-10-16T19:53:11.43 0.1 undecidable manual P 339 72.7716 50 -0.14 86
IV.CING.HHZ. 2016-10-16T19:53:09.05 0.1 undecidable manual P 354 54.7008 50 0.27 87
IV.ATCC.EHZ. 2016-10-16T19:53:09.62 1.0 negative manual P 304 60.495 50 -0.05 22
IV.EL6.EHZ. 2016-10-16T19:53:08.00 0.1 undecidable manual P 345 50.9157 50 -0.2 89
IV.ASSB.HHZ. 2016-10-16T19:53:08.03 0.1 undecidable manual P 290 52.0035 50 -0.34 86
IV.T1243.HHZ. 2016-10-16T19:53:08.37 0.6 undecidable manual S 144 25.8519 109 0.26 46
IV.SNTG.HHZ. 2016-10-16T19:53:07.99 1.0 undecidable manual P 328 48.618 50 0.15 23
IV.TERO.HHZ. 2016-10-16T19:53:06.45 0.1 undecidable manual P 136 40.2264 50 -0.1 92
IV.T1216.EHZ. 2016-10-16T19:53:05.86 0.6 undecidable manual S 272 19.869 114 -0.31 46
IV.LNSS.HHZ. 2016-10-16T19:53:05.79 0.1 undecidable manual P 210 36.2415 50 -0.14 92
IV.T1215.EHZ. 2016-10-16T19:53:05.20 0.1 undecidable manual P 254 33.3444 50 -0.29 90
IV.T1243.HHZ. 2016-10-16T19:53:04.17 1.0 undecidable manual P 144 25.8519 109 0.07 24
IV.SMA1.EHZ. 2016-10-16T19:53:04.64 0.1 undecidable manual P 168 28.8489 107 -0.05 95
XO.AM05.EHZ. 2016-10-16T19:53:03.72 0.6 undecidable manual S 36 12.5763 125 -0.25 47
IV.T1204.EHZ. 2016-10-16T19:53:03.99 0.6 positive manual P 169 23.6541 110 0.3 46
IV.T1202.EHZ. 2016-10-16T19:53:03.54 1.0 positive manual P 189 20.3685 113 0.45 22
IV.T1216.EHZ. 2016-10-16T19:53:03.00 0.1 undecidable manual P 272 19.869 114 0.01 98
IV.NRCA.HHZ. 2016-10-16T19:53:02.07 0.1 positive manual P 245 13.3755 123 0.22 95
IV.T1245.HHZ. 2016-10-16T19:53:01.08 0.3 positive manual P 242 6.8931 142 0.2 72
XO.AM05.EHZ. 2016-10-16T19:53:01.80 0.1 undecidable manual P 36 12.5763 125 0.08 97
IV.MMO1.EHZ. 2016-10-16T19:53:01.82 0.6 undecidable manual S 73 5.3946 148 -0.41 46
IV.MMO1.EHZ. 2016-10-16T19:53:00.70 0.1 undecidable manual P 73 5.3946 148 -0.01 100
IV.MC2.EHZ. 2016-10-16T19:53:00.91 0.1 undecidable manual P 296 6.6933 143 0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.HNE. ML:1.1 0.0001545 0.1 AML other m 2016-10-16T19:53:04.04
XO.AM05.HNN. ML:1.3 0.00021250000000000002 0.44 AML other m 2016-10-16T19:53:04.26
XO.AM05.EHE. ML:1.9 0.0008865 0.1 AML other m 2016-10-16T19:53:04.04
XO.AM05.EHN. ML:1.8 0.0007365 0.1 AML other m 2016-10-16T19:53:04.27
IV.LNSS.HHE. ML:1.5 0.00011385 0.24 AML other m 2016-10-16T19:53:12.00
IV.LNSS.HHN. ML:1.5 0.0001154 0.32 AML other m 2016-10-16T19:53:12.13
IV.NRCA.HHN. ML:1.5 0.0003435 0.42 AML other m 2016-10-16T19:53:05.32
IV.NRCA.HHE. ML:1.6 0.00041700000000000005 0.14 AML other m 2016-10-16T19:53:05.38
IV.SMA1.EHE. ML:0.9 0.000038849999999999996 0.78 AML other m 2016-10-16T19:53:14.45
IV.SMA1.EHN. ML:0.9 0.000039850000000000006 1.34 AML other m 2016-10-16T19:53:15.32
IV.T1216.EHE. ML:1.4 0.00018349999999999996 0.82 AML other m 2016-10-16T19:53:07.00
IV.T1216.EHN. ML:1.4 0.00020500000000000008 0.56 AML other m 2016-10-16T19:53:06.74
IV.T1245.HNE. ML:2.0 0.001695 0.14 AML other m 2016-10-16T19:53:02.59
IV.T1245.HHE. ML:2.0 0.001605 0.14 AML other m 2016-10-16T19:53:02.59
IV.T1245.HNN. ML:1.9 0.00131 0.9 AML other m 2016-10-16T19:53:03.17
IV.T1245.HHN. ML:1.8 0.0011775 0.62 AML other m 2016-10-16T19:53:03.17
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