Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.2 on date 14-10-2016 and time 07:05:34 (UTC) in region 9 km NW Arquata del Tronto (AP)

A magnitude Md 1.2 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on

  • 14-10-2016 07:05:34 (UTC)
  • 14-10-2016 09:05:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8180, 13.2070 at 8 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
Arquata del Tronto AP 9 1178 1178
Norcia PG 10 4957 6135
Castelsantangelo sul Nera MC 10 281 6416
Montegallo AP 11 523 6939
Montemonaco AP 14 604 7543
Accumoli RI 14 667 8210
Ussita MC 15 444 8654
Preci PG 15 724 9378
Visso MC 16 1107 10485
Acquasanta Terme AP 17 2916 13401
Montefortino FM 18 1178 14579
Cascia PG 19 3217 17796
Bolognola MC 20 142 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
44 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
93 Km S of Ancona (100861 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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 		Md 1.2 2016-10-14
07:05:34		 42.8177 13.2072 9 2016-10-14
07:23:37		 Sala Sismica INGV-Roma 30173471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-14 07:05:34 ± 0.18
Latitude 42.8177 ± 0.0045
Longitude 13.2072 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30173471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude Md
Reference to an origin 30173471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-14 07:23:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1215.EHZ. 2016-10-14T07:05:43.93 0.1 undecidable manual S 266 27.6501 107 -0.16 95
IV.T1217.EHZ. 2016-10-14T07:05:43.34 0.1 undecidable manual S 243 25.3524 108 0 99
IV.SMA1.EHE. 2016-10-14T07:05:42.17 0.1 undecidable manual S 153 23.2545 110 -0.48 90
IV.T1299.EHE. 2016-10-14T07:05:42.24 0.6 undecidable manual S 163 21.2676 112 0.23 47
IV.T1201.HNE. 2016-10-14T07:05:41.56 0.3 undecidable manual S 169 18.1707 115 0.54 66
IV.T1204.EHE. 2016-10-14T07:05:40.79 0.3 undecidable manual S 150 18.0708 115 -0.2 72
IV.T1217.EHZ. 2016-10-14T07:05:39.43 0.3 undecidable manual P 243 25.3524 108 0.01 74
IV.MMO1.EHZ. 2016-10-14T07:05:39.48 0.3 undecidable manual S 47 13.2756 123 -0.06 75
IV.T1215.EHZ. 2016-10-14T07:05:39.75 0.1 undecidable manual P 266 27.6501 107 -0.11 96
IV.SMA1.EHE. 2016-10-14T07:05:38.39 0.6 undecidable manual P 153 23.2545 110 -0.63 42
IV.T1299.EHE. 2016-10-14T07:05:38.74 0.1 undecidable manual P 163 21.2676 112 0.09 98
IV.T1201.HNE. 2016-10-14T07:05:38.41 0.3 undecidable manual P 169 18.1707 115 0.33 70
IV.NRCA.HHZ. 2016-10-14T07:05:38.05 0.3 undecidable manual S 283 7.7811 137 -0.01 76
IV.T1204.EHE. 2016-10-14T07:05:38.15 0.1 undecidable manual P 150 18.0708 115 0.08 99
IV.T1245.HHZ. 2016-10-14T07:05:37.29 0.1 undecidable manual S 340 4.5954 152 -0.12 100
IV.MMO1.EHZ. 2016-10-14T07:05:37.32 0.1 undecidable manual P 47 13.2756 123 0.09 99
IV.NRCA.HHZ. 2016-10-14T07:05:36.59 0.3 undecidable manual P 283 7.7811 137 0.22 73
IV.T1245.HHZ. 2016-10-14T07:05:36.14 0.1 undecidable manual P 340 4.5954 152 0.14 100
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