Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 25-03-2014 and time 03:30:44 (UTC) in region 7 km SW Apecchio (PU)

A magnitude ML 1.3 earthquake occured in region: 7 km SW Apecchio (PU), on

  • 25-03-2014 03:30:44 (UTC)
  • 25-03-2014 04:30:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5070, 12.3650 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
Apecchio PU 7 1882 1882
Pietralunga PG 9 2111 3993
Città di Castello PG 12 39913 43906
Piobbico PU 15 2029 45935
San Giustino PG 16 11297 57232
Mercatello sul Metauro PU 16 1378 58610
Montone PG 16 1680 60290
Borgo Pace PU 18 606 60896
Monte Santa Maria Tiberina PG 18 1183 62079
Sant'Angelo in Vado PU 18 4133 66212
Sansepolcro AR 19 15884 82096

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Arezzo (99543 inhabitants)
45 Km N of Perugia (166134 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
64 Km S of Rimini (147750 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km NW of Foligno (57155 inhabitants)
71 Km S of Cesena (96758 inhabitants)
84 Km SE of Forlì (117913 inhabitants)
86 Km E of Siena (53903 inhabitants)
94 Km W of Ancona (100861 inhabitants)
94 Km E of Firenze (382808 inhabitants)
95 Km SE of Faenza (58541 inhabitants)
99 Km E of Scandicci (50609 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 2014-03-25
03:30:44		 43.5072 12.3653 9 2015-09-21
09:35:11		 Bollettino Sismico Italiano INGV 17321181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-03-25 03:30:44 ± 0.04
Latitude 43.5072 ± 0.0027
Longitude 12.3653 ± 0.0025
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 17321181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 214
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 17321181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-01 22:52:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PCRO.HNZ. 2014-03-25T03:31:02.51 3.0 negative manual P 0.69 0
IV.SSFR.HHZ. 2014-03-25T03:30:56.93 0.6 undecidable manual S 103 34.4433 50 0.01 48
IV.FRON.EHZ. 2014-03-25T03:30:55.24 0.6 undecidable manual S 88 29.0487 108 -0.15 47
IV.MURB.HHZ. 2014-03-25T03:30:55.94 0.6 undecidable manual S 155 29.9478 107 0.23 46
IV.ATFO.HHZ. 2014-03-25T03:30:53.38 0.6 undecidable manual S 133 22.755 112 0.03 49
IV.ARVD.HHZ. 2014-03-25T03:30:53.62 0.3 undecidable manual P 91 46.4202 50 -0.03 70
IV.PARC.HHZ. 2014-03-25T03:30:52.20 0.6 undecidable manual S 327 18.6702 116 0.14 48
IV.FSSB.HHZ. 2014-03-25T03:30:52.61 0.3 undecidable manual P 58 38.9277 50 0.1 70
IV.NARO.HHZ. 2014-03-25T03:30:52.58 0.6 undecidable manual S 56 20.7681 114 -0.13 48
IV.MPAG.EHZ. 2014-03-25T03:30:51.66 0.1 undecidable manual P 67 34.4433 50 -0.15 93
IV.CPGN.EHZ. 2014-03-25T03:30:51.98 0.6 undecidable manual P 354 32.8449 50 0.43 44
IV.MURB.HHZ. 2014-03-25T03:30:51.14 0.3 undecidable manual P 155 29.9478 107 0.03 72
IV.CRE.HHZ. 2014-03-25T03:30:51.92 0.3 undecidable manual P 291 35.4423 50 -0.05 71
IV.SSFR.HHZ. 2014-03-25T03:30:51.59 0.3 undecidable manual P 103 34.4433 50 -0.22 69
IV.FRON.EHZ. 2014-03-25T03:30:50.68 0.1 undecidable manual P 88 29.0487 108 -0.25 92
IV.PIEI.HHZ. 2014-03-25T03:30:50.95 0.6 undecidable manual S 77 13.9749 123 0.31 47
IV.ATVO.HHZ. 2014-03-25T03:30:50.90 0.6 undecidable manual S 167 14.2746 123 0.18 48
IV.PE3.EHZ. 2014-03-25T03:30:50.04 0.3 undecidable manual P 27 23.4543 111 0.16 71
IV.BADI.EHZ. 2014-03-25T03:30:49.19 0.3 undecidable manual S 272 9.7791 133 -0.28 71
IV.PARC.HHZ. 2014-03-25T03:30:49.02 0.1 undecidable manual P 327 18.6702 116 0.01 98
IV.ATFO.HHZ. 2014-03-25T03:30:49.70 0.3 undecidable manual P 133 22.755 112 -0.05 73
IV.NARO.HHZ. 2014-03-25T03:30:49.32 0.1 positive manual P 56 20.7681 114 -0.06 97
IV.ATMI.HHZ. 2014-03-25T03:30:49.37 0.3 undecidable manual P 202 20.7681 114 0 74
IV.ATPI.EHZ. 2014-03-25T03:30:48.64 0.3 undecidable manual S 155 6.8931 143 -0.18 73
IV.ATVO.HHZ. 2014-03-25T03:30:48.39 0.1 positive manual P 167 14.2746 123 0.16 96
IV.PIEI.HHZ. 2014-03-25T03:30:48.32 0.1 undecidable manual P 77 13.9749 123 0.13 97
IV.ATPI.EHZ. 2014-03-25T03:30:47.17 0.1 positive manual P 155 6.8931 143 0.04 100
IV.BADI.EHZ. 2014-03-25T03:30:47.51 0.1 undecidable manual P 272 9.7791 133 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHE. ML:1.2 0.0001205 0.44 AML other m 2014-03-25T03:30:54.27
IV.ATMI.HHN. ML:1.2 0.0001268 0.9 AML other m 2014-03-25T03:30:54.57
IV.ATPI.EHN. ML:1.3 0.0003145 0.58 AML other m 2014-03-25T03:30:48.73
IV.ATPI.EHE. ML:1.4 0.000398 0.1 AML other m 2014-03-25T03:31:55.59
IV.ATVO.HHE. ML:1.4 0.000257 0.7 AML other m 2014-03-25T03:30:51.27
IV.ATVO.HHN. ML:1.2 0.00016299999999999998 0.84 AML other m 2014-03-25T03:30:51.26
IV.BADI.EHN. ML:1.7 0.0007019999999999999 0.48 AML other m 2014-03-25T03:30:49.65
IV.BADI.EHE. ML:1.6 0.0005835 0.6 AML other m 2014-03-25T03:30:49.49
IV.MURB.HHE. ML:1.5 0.000149 0.34 AML other m 2014-03-25T03:30:58.15
IV.MURB.HHN. ML:1.6 0.000179 0.8 AML other m 2014-03-25T03:30:56.57
IV.NARO.HHN. ML:1.0 0.00007455000000000001 0.42 AML other m 2014-03-25T03:30:53.70
IV.NARO.HHE. ML:0.9 0.0000588 0.44 AML other m 2014-03-25T03:30:53.67
IV.PARC.HHN. ML:1.2 0.000133 0.5 AML other m 2014-03-25T03:30:53.38
IV.PARC.HHE. ML:1.2 0.00011499999999999999 1.12 AML other m 2014-03-25T03:30:52.50
IV.PE3.EHN. ML:1.3 0.0001208 1.32 AML other m 2014-03-25T03:30:57.73
IV.PE3.EHE. ML:1.3 0.00011734999999999999 0.8 AML other m 2014-03-25T03:30:58.08
IV.PIEI.HHN. ML:1.3 0.00020400000000000003 0.18 AML other m 2014-03-25T03:30:51.62
IV.PIEI.HHE. ML:1.4 0.0002695 0.54 AML other m 2014-03-25T03:30:51.66
IV.SSFR.HHE. ML:1.3 0.0000921 0.68 AML other m 2014-03-25T03:30:58.21
IV.SSFR.HHN. ML:1.3 0.0000807 0.22 AML other m 2014-03-25T03:30:58.25
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