Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 17-04-2014 and time 20:08:52 (UTC) in region 7 km E Pietralunga (PG)

A magnitude ML 1.5 earthquake occured in region: 7 km E Pietralunga (PG), on

  • 17-04-2014 20:08:52 (UTC)
  • 17-04-2014 22:08:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4340, 12.5300 at 9 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.

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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
Pietralunga PG 8 2111 2111
Cantiano PU 9 2245 4356
Gubbio PG 10 32216 36572
Scheggia e Pascelupo PG 12 1393 37965
Cagli PU 16 8731 46696
Apecchio PU 17 1882 48578
Costacciaro PG 17 1216 49794
Piobbico PU 17 2029 51823
Montone PG 18 1680 53503
Frontone PU 19 1300 54803

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Perugia (166134 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
55 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
82 Km W of Ancona (100861 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
97 Km N of Terni (111501 inhabitants)
98 Km E of Siena (53903 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 		ML 1.5 2014-04-17
20:08:52		 43.4338 12.5295 9 2015-09-21
09:36:10		 Bollettino Sismico Italiano INGV 17367781
Reviewed
Rev100 		ML 1.6 2014-04-17
20:08:52		 43.4383 12.5282 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6215141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-17 20:08:52 ± 0.04
Latitude 43.4338 ± 0.0018
Longitude 12.5295 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17367781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 223
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
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) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 6215141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-17 20:17:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 17367781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-04 08:23:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2014-04-17T20:09:06.15 0.1 undecidable manual S 121 38.628 50 -0.01 96
IV.FSSB.HHZ. 2014-04-17T20:09:05.22 0.1 undecidable manual S 35 34.9428 50 0.04 96
IV.PE3.EHZ. 2014-04-17T20:09:04.39 0.3 undecidable manual S 355 29.1486 107 0.85 57
IV.ARVD.HHZ. 2014-04-17T20:09:04.92 0.1 undecidable manual S 78 33.9438 50 0.02 96
IV.PARC.HHZ. 2014-04-17T20:09:04.96 0.3 undecidable manual S 316 33.3444 50 0.21 70
IV.MPAG.EHZ. 2014-04-17T20:09:03.19 0.3 undecidable manual S 40 28.4493 108 -0.12 72
IV.ATCC.EHZ. 2014-04-17T20:09:03.94 0.3 undecidable manual S 162 29.0487 107 0.46 67
IV.ATTE.HHZ. 2014-04-17T20:09:03.53 0.3 undecidable manual S 209 29.748 107 -0.21 70
IV.BADI.EHZ. 2014-04-17T20:09:02.05 0.3 undecidable manual S 290 24.4533 110 0.06 73
IV.FOSV.EHZ. 2014-04-17T20:09:02.18 0.1 undecidable manual S 129 24.2535 110 0.27 93
IV.CAFI.HHZ. 2014-04-17T20:09:01.73 0.3 undecidable manual P 256 46.9197 50 -0.11 69
IV.SNTG.HHZ. 2014-04-17T20:09:00.69 0.1 undecidable manual P 121 38.628 50 0.12 94
IV.SSFR.HHZ. 2014-04-17T20:09:00.71 0.3 undecidable manual S 89 20.3685 114 0.04 74
IV.NARO.HHZ. 2014-04-17T20:09:00.32 0.3 undecidable manual S 12 20.0688 114 -0.25 71
IV.MURB.HHZ. 2014-04-17T20:09:00.66 0.3 undecidable manual S 181 18.9699 116 0.43 68
IV.ATCC.EHZ. 2014-04-17T20:08:59.05 0.3 undecidable manual P 162 29.0487 107 0.02 73
IV.PARC.HHZ. 2014-04-17T20:08:59.55 0.1 undecidable manual P 316 33.3444 50 -0.21 93
IV.FRON.EHZ. 2014-04-17T20:08:59.95 0.3 undecidable manual S 59 18.3705 116 -0.08 73
IV.FSSB.HHZ. 2014-04-17T20:08:59.78 0.1 undecidable manual P 35 34.9428 50 -0.22 92
IV.PE3.EHZ. 2014-04-17T20:08:59.41 0.1 undecidable manual P 355 29.1486 107 0.34 91
IV.ARVD.HHZ. 2014-04-17T20:08:59.67 0.1 undecidable manual P 78 33.9438 50 -0.17 93
IV.FOSV.EHZ. 2014-04-17T20:08:58.13 0.3 undecidable manual P 129 24.2535 110 0.01 74
IV.ATTE.HHZ. 2014-04-17T20:08:58.89 0.1 undecidable manual P 209 29.748 107 -0.28 92
IV.MPAG.EHZ. 2014-04-17T20:08:58.87 0.1 undecidable manual P 40 28.4493 108 -0.06 97
IV.BADI.EHZ. 2014-04-17T20:08:58.08 0.1 positive manual P 290 24.4533 110 -0.08 97
IV.NARO.HHZ. 2014-04-17T20:08:57.24 0.1 undecidable manual P 12 20.0688 114 -0.1 97
IV.PIEI.HHZ. 2014-04-17T20:08:57.86 0.3 undecidable manual S 2 11.2776 129 -0.1 74
IV.MURB.HHZ. 2014-04-17T20:08:57.34 0.1 undecidable manual P 181 18.9699 116 0.19 95
IV.SSFR.HHZ. 2014-04-17T20:08:57.37 0.1 undecidable manual P 89 20.3685 114 -0.03 98
IV.ATPI.EHZ. 2014-04-17T20:08:57.69 0.1 undecidable manual S 280 10.3785 131 -0.04 100
IV.ATFO.HHZ. 2014-04-17T20:08:56.71 0.1 undecidable manual S 156 8.1807 138 -0.47 92
IV.FRON.EHZ. 2014-04-17T20:08:56.99 0.1 undecidable manual P 59 18.3705 116 -0.04 99
IV.ATFO.HHZ. 2014-04-17T20:08:55.28 0.1 positive manual P 156 8.1807 138 -0.1 99
IV.ATPI.EHZ. 2014-04-17T20:08:55.76 0.1 positive manual P 280 10.3785 131 0.05 100
IV.PIEI.HHZ. 2014-04-17T20:08:55.99 0.1 undecidable manual P 2 11.2776 129 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.5 0.00043400000000000003 0.22 AML other m 2014-04-17T20:08:58.67
IV.ATFO.HHE. ML:1.4 0.00035650000000000005 0.22 AML other m 2014-04-17T20:08:59.71
IV.ATPI.EHE. ML:1.5 0.000455 1.5 AML other m 2014-04-17T20:08:58.07
IV.ATPI.EHN. ML:1.4 0.0003045 0.3 AML other m 2014-04-17T20:08:58.32
IV.BADI.EHN. ML:1.5 0.00018449999999999999 0.5 AML other m 2014-04-17T20:09:03.50
IV.BADI.EHE. ML:1.6 0.00023150000000000002 0.2 AML other m 2014-04-17T20:09:03.51
IV.FRON.EHN. ML:1.6 0.000354 0.28 AML other m 2014-04-17T20:09:00.26
IV.FRON.EHE. ML:1.4 0.000187 2.94 AML other m 2014-04-17T20:09:02.59
IV.FSSB.HHE. ML:1.5 0.0001255 2.98 AML other m 2014-04-17T20:09:07.05
IV.FSSB.HHN. ML:1.6 0.000158 1.5 AML other m 2014-04-17T20:09:06.34
IV.MURB.HNN. ML:1.8 0.0004905 2.94 AML other m 2014-04-17T20:09:01.19
IV.MURB.HHN. ML:1.7 0.000391 0.24 AML other m 2014-04-17T20:09:01.19
IV.MURB.HHE. ML:1.8 0.000463 1.8 AML other m 2014-04-17T20:09:02.02
IV.MURB.HNE. ML:1.7 0.00041099999999999996 0.22 AML other m 2014-04-17T20:09:02.03
IV.NARO.HHE. ML:1.5 0.000234 2.06 AML other m 2014-04-17T20:09:01.50
IV.NARO.HHN. ML:1.4 0.00017649999999999998 0.38 AML other m 2014-04-17T20:09:01.71
IV.PARC.HHE. ML:1.2 0.00006755 2.9 AML other m 2014-04-17T20:09:07.52
IV.PARC.HHN. ML:1.2 0.00007065 2.18 AML other m 2014-04-17T20:09:07.58
IV.PIEI.HHE. ML:1.6 0.00043499999999999995 1.44 AML other m 2014-04-17T20:08:59.73
IV.PIEI.HHN. ML:1.4 0.00027949999999999996 0.12 AML other m 2014-04-17T20:08:59.51
IV.SNTG.HHN. ML:1.4 0.0001012 0.8 AML other m 2014-04-17T20:09:07.45
IV.SNTG.HHE. ML:1.2 0.00006355 0.52 AML other m 2014-04-17T20:09:11.37
IV.SSFR.HHE. ML:1.8 0.0005465 2.18 AML other m 2014-04-17T20:09:02.57
IV.SSFR.HNE. ML:1.9 0.0006395 2.72 AML other m 2014-04-17T20:09:02.58
IV.SSFR.HNN. ML:1.8 0.0005385 3.3 AML other m 2014-04-17T20:09:02.65
IV.SSFR.HHN. ML:1.8 0.000504 3.3 AML other m 2014-04-17T20:09:02.65
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