Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-05-2014 and time 04:55:33 (Italy) in region 7 km NW Pietralunga (PG)

A magnitude ML 1.3 earthquake occured in region: 7 km NW Pietralunga (PG), on

  • 17-05-2014 02:55:33 (UTC)
  • 17-05-2014 04:55:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4940, 12.3950 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 7 2111 2111
Apecchio PU 8 1882 3993
Città di Castello PG 13 39913 43906
Piobbico PU 14 2029 45935
Montone PG 15 1680 47615
Mercatello sul Metauro PU 18 1378 48993
San Giustino PG 19 11297 60290
Cantiano PU 19 2245 62535
Sant'Angelo in Vado PU 19 4133 66668
Monte Santa Maria Tiberina PG 20 1183 67851
Borgo Pace PU 20 606 68457

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Arezzo (99543 inhabitants)
43 Km N of Perugia (166134 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km S of Rimini (147750 inhabitants)
65 Km NW of Foligno (57155 inhabitants)
73 Km S of Cesena (96758 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
88 Km E of Siena (53903 inhabitants)
92 Km W of Ancona (100861 inhabitants)
97 Km E of Firenze (382808 inhabitants)
97 Km SE of Faenza (58541 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 1.3 2014-05-17
02:55:33		 43.4938 12.395 9 2015-09-21
09:36:50		 Bollettino Sismico Italiano INGV 6527811
Reviewed
Rev100 		ML 1.3 2014-05-17
02:55:33		 43.4953 12.4008 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6509041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-05-17 02:55:33 ± 0.09
Latitude 43.4938 ± 0.0036
Longitude 12.3950 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6527811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 304
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 6509041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-05-17 03:00:14

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 6527811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-05-19 06:21:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATTE.HHZ. 2014-05-17T02:55:44.83 0.3 undecidable manual S 186 33.0447 50 -0.21 69
IV.FRON.EHZ. 2014-05-17T02:55:43.05 0.3 undecidable manual S 84 26.751 109 -0.16 71
IV.ATFO.HHZ. 2014-05-17T02:55:41.35 0.3 undecidable manual S 135 20.0688 115 0.3 69
IV.ATTE.HHZ. 2014-05-17T02:55:40.14 0.1 undecidable manual P 186 33.0447 50 0.03 96
IV.PIEI.HHZ. 2014-05-17T02:55:38.87 0.1 undecidable manual S 68 12.1767 127 0.16 96
IV.PARC.HHZ. 2014-05-17T02:55:38.31 0.1 undecidable manual P 324 21.2676 114 0.27 93
IV.ATVO.HHZ. 2014-05-17T02:55:38.91 0.3 undecidable manual S 176 12.4764 127 0.13 73
IV.FRON.EHZ. 2014-05-17T02:55:38.82 0.1 undecidable manual P 84 26.751 109 -0.24 93
IV.APEC.HHZ. 2014-05-17T02:55:37.24 0.3 undecidable manual S 16 7.4814 141 -0.28 71
IV.ATMI.HHZ. 2014-05-17T02:55:37.76 0.1 undecidable manual P 210 20.4684 115 -0.13 96
IV.ATFO.HHZ. 2014-05-17T02:55:37.83 0.1 undecidable manual P 135 20.0688 115 0.02 98
IV.PIEI.HHZ. 2014-05-17T02:55:36.56 0.1 undecidable manual P 68 12.1767 127 0.1 98
IV.ATPI.EHZ. 2014-05-17T02:55:36.68 0.3 undecidable manual S 173 4.7952 153 -0.35 70
IV.ATVO.HHZ. 2014-05-17T02:55:36.74 0.1 positive manual P 176 12.4764 127 0.24 95
IV.ATPI.EHZ. 2014-05-17T02:55:35.44 0.1 undecidable manual P 173 4.7952 153 -0.05 100
IV.APEC.HHZ. 2014-05-17T02:55:35.80 0.1 undecidable manual P 16 7.4814 141 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHN. ML:1.8 0.0007985 0.18 AML other m 2014-05-17T02:55:37.59
IV.APEC.HHE. ML:1.7 0.0007405 0.7 AML other m 2014-05-17T02:55:37.83
IV.ATFO.HHE. ML:1.2 0.00010405000000000001 0.36 AML other m 2014-05-17T02:55:41.44
IV.ATFO.HHN. ML:1.1 0.00008829999999999999 0.48 AML other m 2014-05-17T02:55:41.98
IV.ATMI.HHN. ML:1.2 0.0001146 1.5 AML other m 2014-05-17T02:55:44.14
IV.ATMI.HHE. ML:1.2 0.0000979 0.42 AML other m 2014-05-17T02:55:53.69
IV.ATPI.EHN. ML:1.5 0.0005865 0.58 AML other m 2014-05-17T02:55:37.30
IV.ATPI.EHE. ML:1.4 0.0003995 1.24 AML other m 2014-05-17T02:55:36.68
IV.ATTE.HHN. ML:0.9 0.00003295 0.9 AML other m 2014-05-17T02:55:46.49
IV.ATTE.HHE. ML:0.9 0.000036049999999999995 1.1 AML other m 2014-05-17T02:55:45.50
IV.ATVO.HHE. ML:1.6 0.00040149999999999995 0.12 AML other m 2014-05-17T02:55:39.20
IV.ATVO.HHN. ML:1.3 0.0001965 0.84 AML other m 2014-05-17T02:55:39.13
IV.PARC.HHE. ML:1.0 0.0000633 0.42 AML other m 2014-05-17T02:55:42.55
IV.PARC.HHN. ML:1.1 0.00008599999999999999 0.16 AML other m 2014-05-17T02:55:43.01
IV.PIEI.HHN. ML:1.4 0.000253 1.1 AML other m 2014-05-17T02:55:39.65
IV.PIEI.HHE. ML:1.6 0.00044500000000000003 0.36 AML other m 2014-05-17T02:55:39.33
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