Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 17-05-2014 and time 01:25:14 (Italy) in region 6 km N Valfabbrica (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km N Valfabbrica (PG), on

  • 16-05-2014 23:25:14 (UTC)
  • 17-05-2014 01:25:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2150, 12.6120 at 9 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
Valfabbrica PG 6 3389 3389
Gualdo Tadino PG 14 15208 18597
Fossato di Vico PG 15 2840 21437
Gubbio PG 16 32216 53653
Assisi PG 16 28299 81952
Sigillo PG 17 2404 84356
Bastia Umbra PG 17 21874 106230
Costacciaro PG 18 1216 107446
Nocera Umbra PG 19 5839 113285

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Perugia (166134 inhabitants)
30 Km N of Foligno (57155 inhabitants)
65 Km E of Arezzo (99543 inhabitants)
73 Km N of Terni (111501 inhabitants)
77 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
94 Km S of Rimini (147750 inhabitants)
98 Km NE of Viterbo (67173 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 1.1 2014-05-16
23:25:14		 43.2147 12.6117 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6507691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-05-16 23:25:14 ± 0.11
Latitude 43.2147 ± 0.0036
Longitude 12.6117 ± 0.0037
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 6507691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 192
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.24282
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 6507691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-05-16 23:31:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2014-05-16T23:25:24.74 0.3 undecidable manual S 80 26.9508 109 -0.04 73
IV.ATVO.HHZ. 2014-05-16T23:25:23.79 0.3 undecidable manual S 318 24.8529 110 -0.31 69
IV.ATTE.HHZ. 2014-05-16T23:25:22.91 0.3 undecidable manual S 265 20.9679 114 0.07 74
IV.ATFO.HHZ. 2014-05-16T23:25:21.77 0.3 undecidable manual S 349 17.1717 118 0.12 73
IV.SNTG.HHZ. 2014-05-16T23:25:20.62 0.1 undecidable manual P 80 26.9508 109 0.01 98
IV.ATVO.HHZ. 2014-05-16T23:25:20.10 0.3 undecidable manual P 318 24.8529 110 -0.11 72
IV.ATTE.HHZ. 2014-05-16T23:25:19.45 0.1 undecidable manual P 265 20.9679 114 -0.03 99
IV.MURB.HHZ. 2014-05-16T23:25:19.41 0.1 undecidable manual S 307 8.88 136 0.07 100
IV.ATFO.HHZ. 2014-05-16T23:25:18.96 0.6 undecidable manual P 349 17.1717 118 0.16 48
IV.ATCC.EHZ. 2014-05-16T23:25:18.27 0.1 undecidable manual S 145 3.996 157 -0.12 100
IV.MURB.HHZ. 2014-05-16T23:25:17.56 0.1 positive manual P 307 8.88 136 0.11 99
IV.ATCC.EHZ. 2014-05-16T23:25:17.01 0.3 undecidable manual P 145 3.996 157 0.1 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.3 0.000371 0.3 AML other m 2014-05-16T23:25:18.50
IV.ATCC.EHE. ML:1.1 0.000228 0.3 AML other m 2014-05-16T23:25:19.11
IV.MURB.HHN. ML:1.4 0.00034250000000000003 0.14 AML other m 2014-05-16T23:25:19.73
IV.MURB.HHE. ML:1.3 0.0002855 0.52 AML other m 2014-05-16T23:25:19.56
IV.SNTG.HHN. ML:0.9 0.00003875 0.42 AML other m 2014-05-16T23:25:24.91
IV.SNTG.HHE. ML:0.9 0.0000392 0.94 AML other m 2014-05-16T23:25:24.96
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