Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-03-2014 and time 04:15:34 (UTC) in region 7 km NW Pietralunga (PG)

A magnitude ML 1.4 earthquake occured in region: 7 km NW Pietralunga (PG), on

  • 25-03-2014 04:15:34 (UTC)
  • 25-03-2014 05:15:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4910, 12.3890 at 10 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 7 2111 2111
Apecchio PU 8 1882 3993
Città di Castello PG 13 39913 43906
Piobbico PU 15 2029 45935
Montone PG 15 1680 47615
Mercatello sul Metauro PU 18 1378 48993
San Giustino PG 18 11297 60290
Monte Santa Maria Tiberina PG 19 1183 61473
Cantiano PU 19 2245 63718
Sant'Angelo in Vado PU 20 4133 67851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Arezzo (99543 inhabitants)
43 Km N of Perugia (166134 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km NW of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 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)
96 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 1.4 2014-03-25
04:15:34		 43.4908 12.3893 10 2015-09-21
09:35:11		 Bollettino Sismico Italiano INGV 17322111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-03-25 04:15:34 ± 0.05
Latitude 43.4908 ± 0.0027
Longitude 12.3893 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17322111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 297
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) 33
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 17322111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-02 00:31:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATTE.HHZ. 2014-03-25T04:15:45.99 0.6 undecidable manual S 185 32.6451 50 -0.4 44
IV.MURB.HHZ. 2014-03-25T04:15:45.34 0.6 undecidable manual S 157 27.5502 50 0.31 46
IV.ATCC.EHZ. 2014-03-25T04:15:42.80 0.6 undecidable manual P 149 39.5271 50 0.2 46
IV.CRE.HHZ. 2014-03-25T04:15:42.46 0.6 undecidable manual P 292 37.9287 50 0.1 47
IV.FSSB.HHZ. 2014-03-25T04:15:42.36 0.3 undecidable manual P 54 38.4282 50 -0.07 71
IV.ATMI.HHZ. 2014-03-25T04:15:42.85 0.1 undecidable manual S 209 19.9689 116 0.25 94
IV.CAFI.HHZ. 2014-03-25T04:15:42.41 0.1 undecidable manual P 242 38.5281 50 -0.04 95
IV.ARVD.HHZ. 2014-03-25T04:15:42.92 0.6 undecidable manual P 89 44.4222 50 -0.44 43
IV.ATFO.HHZ. 2014-03-25T04:15:42.96 0.6 undecidable manual S 133 20.1687 116 0.3 46
IV.CPGN.EHZ. 2014-03-25T04:15:42.47 0.6 undecidable manual P 351 34.8429 50 0.58 42
IV.SSFR.HHZ. 2014-03-25T04:15:41.28 0.1 undecidable manual P 101 32.2455 50 -0.2 93
IV.ATTE.HHZ. 2014-03-25T04:15:41.51 0.1 undecidable manual P 185 32.6451 50 -0.03 96
IV.MURB.HHZ. 2014-03-25T04:15:40.76 0.1 undecidable manual P 157 27.5502 50 0 98
IV.BADI.EHZ. 2014-03-25T04:15:40.01 0.6 undecidable manual S 280 11.877 129 -0.21 48
IV.ATVO.HHZ. 2014-03-25T04:15:40.36 0.6 undecidable manual S 173 12.1767 129 0.06 49
IV.PIEI.HHZ. 2014-03-25T04:15:40.77 0.6 undecidable manual S 67 12.7761 127 0.31 47
IV.PE3.EHZ. 2014-03-25T04:15:40.26 0.3 undecidable manual P 21 24.3534 112 0.1 72
IV.NARO.HHZ. 2014-03-25T04:15:39.29 0.1 undecidable manual P 49 20.3685 115 -0.14 96
IV.ATFO.HHZ. 2014-03-25T04:15:39.33 0.3 undecidable manual P 133 20.1687 116 -0.06 73
IV.PARC.HHZ. 2014-03-25T04:15:39.56 0.3 undecidable manual P 325 21.2676 114 -0.04 73
IV.ATMI.HHZ. 2014-03-25T04:15:39.19 0.6 undecidable manual P 209 19.9689 116 -0.16 48
IV.ATPI.EHZ. 2014-03-25T04:15:38.18 0.3 undecidable manual S 167 4.5954 155 -0.44 69
IV.PIEI.HHZ. 2014-03-25T04:15:38.21 0.1 undecidable manual P 67 12.7761 127 0.09 98
IV.CDCA.EHZ. 2014-03-25T04:15:38.29 0.6 undecidable manual P 254 13.0758 127 0.12 49
IV.ATVO.HHZ. 2014-03-25T04:15:38.19 0.1 positive manual P 173 12.1767 129 0.17 97
IV.BADI.EHZ. 2014-03-25T04:15:37.99 0.1 undecidable manual P 280 11.877 129 0.01 100
IV.ATPI.EHZ. 2014-03-25T04:15:36.95 0.1 undecidable manual P 167 4.5954 155 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:1.1 0.00008685 0.22 AML other m 2014-03-25T04:15:43.53
IV.ATFO.HHN. ML:1.1 0.00008299999999999998 1.58 AML other m 2014-03-25T04:15:45.49
IV.ATPI.EHE. ML:1.6 0.000763 0.38 AML other m 2014-03-25T04:15:38.20
IV.ATPI.EHN. ML:1.5 0.0005895 0.18 AML other m 2014-03-25T04:15:38.27
IV.ATVO.HHE. ML:1.6 0.0004445 0.36 AML other m 2014-03-25T04:15:40.67
IV.ATVO.HHN. ML:1.3 0.0002115 0.2 AML other m 2014-03-25T04:15:41.66
IV.BADI.EHN. ML:1.6 0.000432 0.3 AML other m 2014-03-25T04:15:40.23
IV.BADI.EHE. ML:1.4 0.000283 0.68 AML other m 2014-03-25T04:15:40.64
IV.MURB.HHE. ML:1.7 0.000249 1.4 AML other m 2014-03-25T04:15:46.27
IV.MURB.HHN. ML:1.5 0.00016350000000000002 0.22 AML other m 2014-03-25T04:15:47.46
IV.NARO.HHN. ML:1.0 0.00007500000000000001 1.1 AML other m 2014-03-25T04:15:44.18
IV.NARO.HHE. ML:1.1 0.00008704999999999999 1.4 AML other m 2014-03-25T04:15:43.40
IV.PARC.HHN. ML:1.1 0.0000883 0.22 AML other m 2014-03-25T04:15:44.23
IV.PARC.HHE. ML:1.1 0.0000942 0.9 AML other m 2014-03-25T04:15:45.78
IV.PE3.EHE. ML:1.5 0.00020250000000000002 0.34 AML other m 2014-03-25T04:15:46.11
IV.PE3.EHN. ML:1.4 0.0001462 0.44 AML other m 2014-03-25T04:15:52.38
IV.PIEI.HHE. ML:1.5 0.0003435 0.14 AML other m 2014-03-25T04:15:41.53
IV.PIEI.HHN. ML:1.5 0.0003605 0.3 AML other m 2014-03-25T04:15:41.22
IV.SSFR.HHN. ML:1.3 0.00008305 0.18 AML other m 2014-03-25T04:15:46.45
IV.SSFR.HHE. ML:1.5 0.00013550000000000001 0.2 AML other m 2014-03-25T04:15:47.37
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