Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-09-2016 and time 07:39:42 (UTC) in region 6 km W Montegallo (AP)

A magnitude ML 1.2 earthquake occured in region: 6 km W Montegallo (AP), on

  • 22-09-2016 07:39:42 (UTC)
  • 22-09-2016 09:39:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8490, 13.2590 at 10 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
Montegallo AP 6 523 523
Montemonaco AP 8 604 1127
Arquata del Tronto AP 9 1178 2305
Castelsantangelo sul Nera MC 10 281 2586
Montefortino FM 13 1178 3764
Ussita MC 14 444 4208
Norcia PG 15 4957 9165
Acquasanta Terme AP 15 2916 12081
Bolognola MC 16 142 12223
Visso MC 17 1107 13330
Amandola FM 17 3629 16959
Accumoli RI 17 667 17626
Palmiano AP 17 196 17822
Comunanza AP 18 3166 20988
Roccafluvione AP 18 2010 22998
Preci PG 18 724 23722
Venarotta AP 20 2066 25788

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NW of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
59 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
89 Km W of Pescara (121014 inhabitants)
93 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 1.2 2016-09-22
07:39:42		 42.8493 13.2592 10 2016-09-22
08:10:07		 Sala Sismica INGV-Roma 29366281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-22 07:39:42 ± 0.06
Latitude 42.8493 ± 0.0036
Longitude 13.2592 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 29366281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.49283
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 29366281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-22 08:10:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2016-09-22T07:39:55.15 0.3 undecidable manual S 132 37.7289 50 0.09 71
IV.T1246.HHN. 2016-09-22T07:39:54.42 0.3 undecidable manual S 147 35.1426 50 0.04 72
IV.CESI.HHZ. 2016-09-22T07:39:54.13 0.6 undecidable manual S 301 33.5442 50 0.17 47
IV.CAMP.HHN. 2016-09-22T07:39:54.65 0.3 undecidable manual S 161 36.8298 50 -0.19 70
IV.LNSS.HHZ. 2016-09-22T07:39:53.76 0.6 undecidable manual S 213 32.6451 50 0.04 48
IV.T1215.EHZ. 2016-09-22T07:39:53.31 0.3 undecidable manual S 261 32.2455 50 -0.29 69
IV.EL6.EHZ. 2016-09-22T07:39:52.85 0.1 undecidable manual P 347 54.7008 50 0.55 83
IV.T1217.HNZ. 2016-09-22T07:39:52.97 0.3 undecidable manual S 240 30.747 50 -0.24 70
IV.CSP1.EHZ. 2016-09-22T07:39:52.38 0.6 undecidable manual S 351 27.2505 50 0.11 48
IV.FDMO.HHZ. 2016-09-22T07:39:51.51 0.6 undecidable manual S 326 25.0527 112 -0.15 48
IV.FEMA.HNE. 2016-09-22T07:39:50.39 0.3 undecidable manual S 306 21.1677 115 -0.04 74
IV.LNSS.HHZ. 2016-09-22T07:39:49.04 0.1 undecidable manual P 213 32.6451 50 0.14 95
IV.CAMP.HHN. 2016-09-22T07:39:49.41 0.1 undecidable manual P 161 36.8298 50 -0.14 94
IV.T1246.HHN. 2016-09-22T07:39:49.27 0.1 undecidable manual P 147 35.1426 50 -0.01 97
IV.CESI.HHZ. 2016-09-22T07:39:49.32 0.1 undecidable manual P 301 33.5442 50 0.28 92
IV.T1202.EHE. 2016-09-22T07:39:49.47 0.6 undecidable manual S 190 16.4724 121 0.48 45
IV.TERO.HHZ. 2016-09-22T07:39:49.32 0.1 undecidable manual P 132 37.7289 50 -0.35 90
IV.T1215.EHZ. 2016-09-22T07:39:48.66 0.1 undecidable manual P 261 32.2455 50 -0.17 94
IV.T1217.HNZ. 2016-09-22T07:39:48.54 0.1 undecidable manual P 240 30.747 50 -0.06 97
IV.CSP1.EHZ. 2016-09-22T07:39:48.15 0.1 undecidable manual P 351 27.2505 50 0.09 97
IV.NRCA.HHZ. 2016-09-22T07:39:47.34 0.6 undecidable manual S 262 11.877 130 -0.38 47
IV.FDMO.HHZ. 2016-09-22T07:39:47.65 0.1 undecidable manual P 326 25.0527 112 -0.06 98
IV.FEMA.HNE. 2016-09-22T07:39:47.33 0.1 undecidable manual P 306 21.1677 115 0.33 93
IV.T1216.EHZ. 2016-09-22T07:39:46.77 0.1 undecidable manual P 283 20.0688 117 -0.04 99
IV.MC2.EHZ. 2016-09-22T07:39:46.75 0.6 undecidable manual S 320 8.9799 138 -0.23 48
IV.T1204.EHZ. 2016-09-22T07:39:46.91 0.1 undecidable manual P 166 19.7691 117 0.15 97
IV.T1202.EHE. 2016-09-22T07:39:46.47 0.1 undecidable manual P 190 16.4724 121 0.3 94
IV.MC2.EHZ. 2016-09-22T07:39:45.08 0.1 undecidable manual P 320 8.9799 138 0.08 100
IV.NRCA.HHZ. 2016-09-22T07:39:45.38 0.1 positive manual P 262 11.877 130 -0.05 100
XO.AM05.EHZ. 2016-09-22T07:39:45.59 0.1 undecidable manual P 28 16.0728 122 -0.52 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHN. ML:1.6 0.00035250000000000006 0.1 AML other m 2016-09-22T07:39:50.13
XO.AM05.EHE. ML:1.8 0.000619 0.06 AML other m 2016-09-22T07:40:42.34
IV.CESI.HHE. ML:1.2 0.00005945 1 AML other m 2016-09-22T07:39:54.65
IV.CESI.HHN. ML:1.3 0.00008965000000000001 0.86 AML other m 2016-09-22T07:39:54.41
IV.FDMO.HHE. ML:1.0 0.0000589 0.14 AML other m 2016-09-22T07:39:52.38
IV.FDMO.HHN. ML:0.9 0.00005015 0.76 AML other m 2016-09-22T07:39:51.86
IV.LNSS.HHE. ML:1.3 0.00008999999999999999 1.58 AML other m 2016-09-22T07:39:56.58
IV.LNSS.HHN. ML:1.2 0.0000759 1.1 AML other m 2016-09-22T07:39:54.66
IV.TERO.HHE. ML:1.1 0.000044200000000000004 0.64 AML other m 2016-09-22T07:39:57.69
IV.TERO.HHN. ML:1.2 0.000053200000000000006 0.44 AML other m 2016-09-22T07:39:55.61
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