Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 11-09-2016 and time 16:46:55 (Italy) in region 5 km W Montemonaco (AP)

A magnitude ML 0.4 earthquake occured in region: 5 km W Montemonaco (AP), on

  • 11-09-2016 14:46:55 (UTC)
  • 11-09-2016 16:46:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 13.2700 at 8 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
Montemonaco AP 5 604 604
Montegallo AP 8 523 1127
Montefortino FM 8 1178 2305
Castelsantangelo sul Nera MC 9 281 2586
Bolognola MC 12 142 2728
Amandola FM 12 3629 6357
Ussita MC 12 444 6801
Arquata del Tronto AP 14 1178 7979
Comunanza AP 14 3166 11145
Visso MC 15 1107 12252
Palmiano AP 16 196 12448
Sarnano MC 16 3264 15712
Acquacanina MC 17 121 15833
Roccafluvione AP 17 2010 17843
Acquasanta Terme AP 18 2916 20759
Norcia PG 18 4957 25716
Fiastra MC 18 559 26275
Venarotta AP 18 2066 28341
Montefalcone Appennino FM 19 424 28765
Preci PG 19 724 29489
Smerillo FM 19 365 29854
Force AP 20 1354 31208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
61 Km N of L'Aquila (69753 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km S of Ancona (100861 inhabitants)
83 Km NW of Montesilvano (53738 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
Bulletin
Rev1000 		ML 0.4 2016-09-11
14:46:55		 42.8943 13.2697 8 2019-07-19
13:24:19		 Bollettino Sismico Italiano INGV 65561841
Reviewed
Rev100 		ML 1.6 2016-09-11
14:46:56		 42.8997 13.2662 8 2016-09-11
15:07:00		 Sala Sismica INGV-Roma 28778861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-11 14:46:55 ± 0.05
Latitude 42.8943 ± 0.0027
Longitude 13.2697 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65561841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36602
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 65561841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-15 08:56:13

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 28778861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-11 15:07:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2016-09-11T14:47:09.80 0.6 undecidable manual S 138 40.626 50 -0.01 48
IV.T1204.EHZ. 2016-09-11T14:47:05.09 0.6 undecidable manual S 171 24.5532 109 0.17 47
IV.T1202.EHZ. 2016-09-11T14:47:04.60 0.6 undecidable manual S 0.42 89
IV.CSP1.EHZ. 2016-09-11T14:47:04.40 0.6 undecidable manual S 347 22.5552 111 0.12 48
IV.T1216.EHZ. 2016-09-11T14:47:03.58 0.6 undecidable manual S 269 20.3685 112 0 49
IV.FDMO.HHZ. 2016-09-11T14:47:03.86 0.6 undecidable manual S 317 21.6672 111 -0.13 48
IV.TERO.HHZ. 2016-09-11T14:47:03.68 0.6 undecidable manual P 138 40.626 50 -0.26 45
IV.T1204.EHZ. 2016-09-11T14:47:01.19 0.6 undecidable manual P 171 24.5532 109 0.07 48
IV.T1202.EHZ. 2016-09-11T14:47:01.19 0.6 undecidable manual P 0.45 66
IV.NRCA.HHZ. 2016-09-11T14:47:01.60 0.3 undecidable manual S 242 14.2746 120 -0.09 74
IV.T1216.EHZ. 2016-09-11T14:47:00.34 0.6 undecidable manual P 269 20.3685 112 -0.01 49
IV.T1242.HHZ. 2016-09-11T14:47:00.23 0.3 undecidable manual S -0.1 97
IV.FDMO.HHZ. 2016-09-11T14:47:00.51 0.6 undecidable manual P 317 21.6672 111 -0.07 49
IV.CSP1.EHZ. 2016-09-11T14:47:00.90 0.6 undecidable manual P 347 22.5552 111 0.15 48
IV.MMO1.EHZ. 2016-09-11T14:46:59.02 0.6 undecidable manual S 83 4.6953 151 -0.26 48
IV.NRCA.HHZ. 2016-09-11T14:46:59.32 0.3 undecidable manual P 242 14.2746 120 0.06 74
IV.MC2.EHZ. 2016-09-11T14:46:59.58 0.6 undecidable manual S 286 6.7932 141 -0.12 49
IV.MC2.EHZ. 2016-09-11T14:46:58.23 0.1 negative manual P 286 6.7932 141 0.13 99
IV.T1242.HHZ. 2016-09-11T14:46:58.55 0.3 undecidable manual P 0.03 99
IV.MMO1.EHZ. 2016-09-11T14:46:57.94 0.1 positive manual P 83 4.6953 151 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1242.HNE. ML:0.0 0.000101268755 0.2048 AML other m 2016-09-11T14:47:00.83
IV.T1242.HHE. ML:0.0 0.00011109883500000001 0.0832 AML other m 2016-09-11T14:47:00.28
IV.T1242.HNN. ML:0.0 0.00013802995000000001 0.128 AML other m 2016-09-11T14:47:00.34
IV.T1242.HHN. ML:0.0 0.00013782385 0.1344 AML other m 2016-09-11T14:47:00.34
IV.T1202.EHE. ML:0.0 0.00004102749999999999 0.2624 AML other m 2016-09-11T14:47:06.19
IV.T1204.EHE. ML:0.5 0.000021641650000000013 0.1024 AML other m 2016-09-11T14:47:05.55
IV.TERO.HHN. ML:0.5 0.0000083979655 0.1024 AML other m 2016-09-11T14:47:10.72
IV.TERO.HHE. ML:0.2 0.0000069707090000000005 0.0832 AML other m 2016-09-11T14:47:10.32
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