Earthquake with magnitude of Md 1.5 on date 14-04-2017 and time 08:12:47 (Italy) in region 3 km W Arquata del Tronto (AP)

A magnitude Md 1.5 earthquake occured in region: 3 km W Arquata del Tronto (AP), on

  • 14-04-2017 06:12:47 (UTC)
  • 14-04-2017 08:12:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7860, 13.2590 at 1 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.

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 3 1178 1178
Montegallo AP 9 523 1701
Accumoli RI 10 667 2368
Acquasanta Terme AP 12 2916 5284
Norcia PG 14 4957 10241
Montemonaco AP 14 604 10845
Castelsantangelo sul Nera MC 15 281 11126
Amatrice RI 17 2657 13783
Montefortino FM 19 1178 14961
Roccafluvione AP 20 2010 16971

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
49 Km E of Foligno (57155 inhabitants)
50 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
79 Km E of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Reviewed
Rev100
Md 1.5 2017-04-14
06:12:47
42.7855 13.2593 1 2017-04-14
06:25:34
Sala Sismica INGV-Roma 43860011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-14 06:12:47 ± 0.14
Latitude 42.7855 ± 0.0054
Longitude 13.2593 ± 0.0086
Depth (km) 1 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43860011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 619
Semi-minor axis of confidence ellipse (meter) 305
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20505
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.6
Num. used stations 4
Type of magnitude Md
Reference to an origin 43860011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-14 06:25:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2017-04-14T06:13:12.42 3.0 undecidable manual S -0.24 0
IV.PP3.EHZ. 2017-04-14T06:12:58.49 3.0 positive manual P 0.76 0
IV.T1216.EHZ. 2017-04-14T06:12:52.18 0.1 undecidable manual P 301 22.755 93 0.18 95
IV.T1212.EHZ. 2017-04-14T06:12:51.33 0.1 undecidable manual P 258 17.871 94 0.31 94
IV.T1241.EHZ. 2017-04-14T06:12:50.65 0.1 undecidable manual P 61 16.0728 95 0 100
IV.T1245.HHZ. 2017-04-14T06:12:50.67 0.3 undecidable manual S 324 9.7791 98 -0.19 73
IV.T1218.EHZ. 2017-04-14T06:12:50.94 0.1 undecidable manual P 223 17.3715 94 0.01 100
IV.MMO1.EHZ. 2017-04-14T06:12:50.50 0.1 undecidable manual P 23 13.7751 96 0.3 94
IV.SMA1.EHZ. 2017-04-14T06:12:50.89 0.1 undecidable manual P 160 18.2706 94 -0.21 95
IV.NRCA.HHZ. 2017-04-14T06:12:49.66 0.1 undecidable manual P 294 12.9759 96 -0.38 93
IV.T1214.EHZ. 2017-04-14T06:12:49.46 0.3 undecidable manual S 235 4.995 105 0.22 73
IV.T1245.HHZ. 2017-04-14T06:12:49.34 0.1 undecidable manual P 324 9.7791 98 -0.07 100
IV.T1214.EHZ. 2017-04-14T06:12:48.32 0.1 undecidable manual P 235 4.995 105 -0.16 99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download