Earthquake with magnitude of Md 1.6 on date 04-07-2015 and time 15:14:16 (Italy) in region 2 km W Aielli (AQ)

A magnitude Md 1.6 earthquake occured in region: 2 km W Aielli (AQ), on

  • 04-07-2015 13:14:16 (UTC)
  • 04-07-2015 15:14:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0750, 13.5680 at 18 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Aielli AQ 2 1475 1475
Celano AQ 2 11017 12492
Cerchio AQ 3 1635 14127
Collarmele AQ 5 894 15021
Ovindoli AQ 8 1227 16248
San Benedetto dei Marsi AQ 9 3909 20157
Pescina AQ 9 4133 24290
Gagliano Aterno AQ 12 254 24544
Avezzano AQ 13 42515 67059
Secinaro AQ 13 359 67418
Trasacco AQ 13 6246 73664
Ortucchio AQ 15 1860 75524
Castelvecchio Subequo AQ 15 982 76506
Luco dei Marsi AQ 15 6079 82585
Massa d'Albe AQ 15 1476 84061
Castel di Ieri AQ 15 303 84364
Rocca di Mezzo AQ 15 1526 85890
Tione degli Abruzzi AQ 16 310 86200
Ortona dei Marsi AQ 16 542 86742
Molina Aterno AQ 16 386 87128
Acciano AQ 17 327 87455
Magliano de' Marsi AQ 17 3690 91145
Gioia dei Marsi AQ 17 1989 93134
Goriano Sicoli AQ 17 569 93703
Cocullo AQ 18 230 93933
Fontecchio AQ 18 369 94302
Lecce nei Marsi AQ 19 1702 96004
Scurcola Marsicana AQ 19 2824 98828
Capistrello AQ 19 5252 104080
Rocca di Cambio AQ 19 533 104613
Canistro AQ 20 995 105608
Fagnano Alto AQ 20 418 106026

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of L'Aquila (69753 inhabitants)
58 Km SW of Chieti (51815 inhabitants)
65 Km E of Tivoli (56533 inhabitants)
66 Km S of Teramo (54892 inhabitants)
68 Km SW of Montesilvano (53738 inhabitants)
69 Km SW of Pescara (121014 inhabitants)
70 Km E of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
87 Km NE of Latina (125985 inhabitants)
92 Km E of Roma (2864731 inhabitants)
93 Km NE of Aprilia (73446 inhabitants)
93 Km SE of Terni (111501 inhabitants)
99 Km E of Pomezia (62966 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
Md 1.6 2015-07-04
13:14:16
42.075 13.5685 18 2016-01-08
08:53:02
Bollettino Sismico Italiano INGV 20468711
Reviewed
Rev100
Md 1.6 2015-07-04
13:14:16
42.0703 13.5865 11 2015-07-04
13:27:45
Sala Sismica INGV-Roma 20095711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-07-04 13:14:16 ± 0.07
Latitude 42.0750 ± 0.0027
Longitude 13.5685 ± 0.0048
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 20468711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.13580
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 20468711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-07-23 14:42:29

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 20095711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-07-04 13:27:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2015-07-04T13:14:35.02 0.3 undecidable manual S 3 60.7947 98 0.14 68
IV.LPEL.HHZ. 2015-07-04T13:14:32.40 0.3 undecidable manual S 93 50.7159 100 0.18 69
IV.CERT.HHZ. 2015-07-04T13:14:31.88 0.3 undecidable manual S 254 50.3163 100 -0.23 68
IV.GIGS.HHE. 2015-07-04T13:14:29.88 0.3 undecidable manual S 0 41.9247 103 -0.04 72
IV.GUAR.HHZ. 2015-07-04T13:14:28.50 0.3 undecidable manual S 214 37.629 105 -0.3 69
IV.TERO.HHZ. 2015-07-04T13:14:26.61 0.1 undecidable manual P 3 60.7947 98 -0.31 88
IV.INTR.HHZ. 2015-07-04T13:14:26.53 0.3 undecidable manual S 104 28.5492 112 0.03 74
IV.VVLD.HHZ. 2015-07-04T13:14:25.12 0.3 undecidable manual S 169 23.2545 118 -0.09 74
IV.T0110.HHZ. 2015-07-04T13:14:25.18 0.3 undecidable manual S 45 24.1536 117 -0.26 71
IV.LPEL.HHZ. 2015-07-04T13:14:25.37 0.1 undecidable manual P 93 50.7159 100 -0.01 95
IV.CERT.HHZ. 2015-07-04T13:14:25.63 0.1 undecidable manual P 254 50.3163 100 0.3 90
IV.VCEL.EHZ. 2015-07-04T13:14:24.44 0.1 undecidable manual P 32 41.9247 103 0.39 89
IV.PTQR.HHZ. 2015-07-04T13:14:23.43 0.3 undecidable manual S 247 15.0738 133 0.01 76
IV.GUAR.HHZ. 2015-07-04T13:14:23.71 0.1 positive manual P 214 37.629 105 0.3 92
IV.GIGS.HHE. 2015-07-04T13:14:23.91 0.1 undecidable manual P 0 41.9247 103 -0.15 94
IV.POFI.HHE. 2015-07-04T13:14:23.85 0.1 undecidable manual P 163 41.4252 103 -0.13 95
IV.INTR.HHZ. 2015-07-04T13:14:22.00 0.1 undecidable manual P 104 28.5492 112 -0.09 98
MN.AQU.HHE. 2015-07-04T13:14:22.87 0.6 undecidable manual P 337 33.744 107 0.03 49
IV.VVLD.HHZ. 2015-07-04T13:14:21.32 0.1 positive manual P 169 23.2545 118 -0.02 100
IV.T0110.HHZ. 2015-07-04T13:14:21.44 0.1 positive manual P 45 24.1536 117 -0.03 100
IV.PTQR.HHZ. 2015-07-04T13:14:20.47 0.1 positive manual P 247 15.0738 133 0.17 98
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