Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 28-03-2014 and time 03:49:36 (UTC) in region 8 km SW Apecchio (PU)

A magnitude ML 1.9 earthquake occured in region: 8 km SW Apecchio (PU), on

  • 28-03-2014 03:49:36 (UTC)
  • 28-03-2014 04:49:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4990, 12.3680 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 8 1882 1882
Pietralunga PG 8 2111 3993
Città di Castello PG 11 39913 43906
Montone PG 15 1680 45586
Piobbico PU 15 2029 47615
San Giustino PG 16 11297 58912
Mercatello sul Metauro PU 17 1378 60290
Monte Santa Maria Tiberina PG 18 1183 61473
Borgo Pace PU 19 606 62079
Sant'Angelo in Vado PU 19 4133 66212
Sansepolcro AR 20 15884 82096

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Arezzo (99543 inhabitants)
44 Km N of Perugia (166134 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
65 Km S of Rimini (147750 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km NW of Foligno (57155 inhabitants)
72 Km S of Cesena (96758 inhabitants)
85 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)
96 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 1.9 2014-03-28
03:49:36		 43.4988 12.3683 9 2015-09-21
09:35:11		 Bollettino Sismico Italiano INGV 16492781
Reviewed
Rev100 		ML 1.9 2014-03-28
03:49:36		 43.4983 12.3638 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5970911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-03-28 03:49:36 ± 0.04
Latitude 43.4988 ± 0.0018
Longitude 12.3683 ± 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 16492781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 248
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 5970911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-03-28 03:56:46

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 16492781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-01-12 14:18:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.HHZ. 2014-03-28T03:50:15.99 3.0 undecidable manual S 0.39 0
IV.CSP1.EHZ. 2014-03-28T03:49:51.13 3.0 negative manual P 0.11 0
IV.ARVD.HHZ. 2014-03-28T03:49:51.99 0.1 undecidable manual S 90 46.1205 50 0.32 88
IV.ATCC.EHZ. 2014-03-28T03:49:50.97 0.1 undecidable manual S 148 41.1255 50 0.64 81
IV.FSSB.HHZ. 2014-03-28T03:49:50.03 0.1 undecidable manual S 57 39.3273 50 0.19 91
IV.FOSV.EHZ. 2014-03-28T03:49:50.22 0.1 undecidable manual S 125 38.9277 50 0.48 86
IV.CAFI.HHZ. 2014-03-28T03:49:49.31 0.1 undecidable manual S 240 37.4292 50 -0.05 94
IV.MPAG.EHZ. 2014-03-28T03:49:48.42 0.1 undecidable manual S 65 34.6431 50 -0.17 92
IV.CRE.HHZ. 2014-03-28T03:49:48.81 0.1 undecidable manual S 292 36.0417 50 -0.17 92
IV.SSFR.HHZ. 2014-03-28T03:49:48.25 0.1 undecidable manual S 102 34.0437 50 -0.19 92
IV.MURB.HHZ. 2014-03-28T03:49:47.08 0.1 undecidable manual S 154 29.0487 107 0.15 94
IV.ATTE.HHZ. 2014-03-28T03:49:47.71 0.1 undecidable manual S 182 33.4443 50 -0.56 84
IV.FRON.EHZ. 2014-03-28T03:49:46.61 0.1 undecidable manual S 86 28.8489 107 -0.26 92
IV.ARVD.HHZ. 2014-03-28T03:49:45.02 0.1 positive manual P 90 46.1205 50 -0.2 90
IV.PE3.EHZ. 2014-03-28T03:49:45.78 0.1 undecidable manual S 25 24.1536 110 0.44 89
IV.ATMI.HHZ. 2014-03-28T03:49:44.10 0.1 undecidable manual S 204 19.9689 114 0.12 96
IV.FOSV.EHZ. 2014-03-28T03:49:44.18 0.1 undecidable manual P 125 38.9277 50 0.07 94
IV.SSP9.EHZ. 2014-03-28T03:49:44.19 0.1 undecidable manual S 294 20.7681 113 -0.06 97
IV.CRE.HHZ. 2014-03-28T03:49:44.11 0.1 undecidable manual P 292 36.0417 50 0.45 87
IV.ATFO.HHZ. 2014-03-28T03:49:44.72 0.1 undecidable manual S 132 21.9669 112 0.1 96
IV.ATCC.EHZ. 2014-03-28T03:49:44.45 0.1 undecidable manual P 148 41.1255 50 0.01 95
IV.NARO.HHZ. 2014-03-28T03:49:44.20 0.1 undecidable manual S 54 21.0678 113 -0.15 95
IV.FSSB.HHZ. 2014-03-28T03:49:43.93 0.1 positive manual P 57 39.3273 50 -0.23 91
IV.ATTE.HHZ. 2014-03-28T03:49:43.04 0.1 undecidable manual P 182 33.4443 50 -0.21 92
IV.MPAG.EHZ. 2014-03-28T03:49:43.14 0.1 positive manual P 65 34.6431 50 -0.3 90
IV.CPGN.EHE. 2014-03-28T03:49:43.67 0.1 undecidable manual P 353 33.744 50 0.36 89
IV.PARC.HHZ. 2014-03-28T03:49:43.88 0.1 undecidable manual S 328 19.6692 114 0.01 98
IV.CAFI.HHZ. 2014-03-28T03:49:43.74 0.1 undecidable manual P 240 37.4292 50 -0.14 93
IV.SSFR.HHZ. 2014-03-28T03:49:42.97 0.1 positive manual P 102 34.0437 50 -0.38 89
IV.ATVO.HHZ. 2014-03-28T03:49:42.06 0.1 undecidable manual S 167 13.2756 124 0.11 97
IV.PIEI.HHZ. 2014-03-28T03:49:42.41 0.1 undecidable manual S 73 13.9749 122 0.25 94
IV.FRON.EHZ. 2014-03-28T03:49:42.11 0.1 positive manual P 86 28.8489 107 -0.34 90
IV.MURB.HHZ. 2014-03-28T03:49:42.39 0.1 undecidable manual P 154 29.0487 107 -0.09 95
IV.ATFO.HHZ. 2014-03-28T03:49:41.07 0.1 positive manual P 132 21.9669 112 -0.08 96
IV.PE3.EHZ. 2014-03-28T03:49:41.63 0.1 undecidable manual P 25 24.1536 110 0.07 96
IV.CDCA.EHZ. 2014-03-28T03:49:41.61 0.1 undecidable manual S 248 11.7771 127 0.11 98
IV.PARC.HHZ. 2014-03-28T03:49:40.70 0.1 undecidable manual P 328 19.6692 114 -0.01 98
IV.NARO.HHZ. 2014-03-28T03:49:40.78 0.1 undecidable manual P 54 21.0678 113 -0.21 94
IV.ATMI.HHZ. 2014-03-28T03:49:40.94 0.1 undecidable manual P 204 19.9689 114 0.16 95
IV.BADI.EHZ. 2014-03-28T03:49:40.88 0.1 undecidable manual S 277 10.0788 131 -0.17 97
IV.SSP9.EHZ. 2014-03-28T03:49:40.94 0.1 undecidable manual P 294 20.7681 113 0.01 98
IV.BADI.EHZ. 2014-03-28T03:49:39.11 0.1 positive manual P 277 10.0788 131 0.02 100
IV.CDCA.EHZ. 2014-03-28T03:49:39.44 0.1 undecidable manual P 248 11.7771 127 0.09 98
IV.ATPI.EHZ. 2014-03-28T03:49:39.81 0.1 undecidable manual S 153 5.994 146 -0.3 95
IV.ATVO.HHZ. 2014-03-28T03:49:39.78 0.1 negative manual P 167 13.2756 124 0.18 96
IV.PIEI.HHZ. 2014-03-28T03:49:39.79 0.1 positive manual P 73 13.9749 122 0.06 98
IV.ATPI.EHZ. 2014-03-28T03:49:38.51 0.1 undecidable manual P 153 5.994 146 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:1.9 0.0005245 0.6 AML other m 2014-03-28T03:49:45.46
IV.ATFO.HHN. ML:1.6 0.000297 0.98 AML other m 2014-03-28T03:49:45.37
IV.ATMI.HHE. ML:1.8 0.000524 0.32 AML other m 2014-03-28T03:49:44.43
IV.ATMI.HHN. ML:1.8 0.000514 0.42 AML other m 2014-03-28T03:49:54.72
IV.ATPI.EHE. ML:1.9 0.0015350000000000001 0.36 AML other m 2014-03-28T03:49:39.88
IV.ATPI.EHN. ML:1.8 0.0010095 0.42 AML other m 2014-03-28T03:49:40.00
IV.ATTE.HHN. ML:1.4 0.0001086 1.58 AML other m 2014-03-28T03:49:50.52
IV.ATTE.HHE. ML:1.4 0.00010270000000000002 1 AML other m 2014-03-28T03:49:48.41
IV.ATVO.HHN. ML:1.9 0.0008015 0.2 AML other m 2014-03-28T03:49:42.55
IV.ATVO.HHE. ML:2.0 0.001142 0.16 AML other m 2014-03-28T03:49:42.82
IV.BADI.EHE. ML:2.2 0.002055 0.62 AML other m 2014-03-28T03:49:41.50
IV.BADI.EHN. ML:2.2 0.00225 0.64 AML other m 2014-03-28T03:49:41.73
IV.CAFI.HHE. ML:1.6 0.00013900000000000002 0.12 AML other m 2014-03-28T03:49:49.78
IV.CAFI.HHN. ML:1.5 0.00011999999999999999 0.26 AML other m 2014-03-28T03:49:50.22
IV.CDCA.HNN. ML:2.7 0.005655 0.08 AML other m 2014-03-28T03:49:42.08
IV.CDCA.EHE. ML:1.9 0.0010705 1.56 AML other m 2014-03-28T03:49:41.66
IV.CDCA.EHN. ML:1.8 0.0008309999999999999 0.78 AML other m 2014-03-28T03:49:41.68
IV.CDCA.HNE. ML:2.7 0.006477999999999999 1.52 AML other m 2014-03-28T03:49:57.60
IV.FRON.EHE. ML:1.5 0.00017199999999999998 1.4 AML other m 2014-03-28T03:49:47.88
IV.FRON.EHN. ML:1.7 0.000273 1.56 AML other m 2014-03-28T03:49:47.79
IV.FSSB.HHN. ML:1.8 0.00022649999999999998 1.58 AML other m 2014-03-28T03:49:51.21
IV.FSSB.HHE. ML:1.7 0.000193 0.3 AML other m 2014-03-28T03:49:51.51
IV.MURB.HHE. ML:2.0 0.0005045 1.28 AML other m 2014-03-28T03:49:48.12
IV.MURB.HHN. ML:2.0 0.0005405 0.22 AML other m 2014-03-28T03:49:48.03
IV.MURB.HNN. ML:2.0 0.0005625 0.22 AML other m 2014-03-28T03:49:48.04
IV.MURB.HNE. ML:2.0 0.00045650000000000004 0.34 AML other m 2014-03-28T03:49:48.13
IV.NARO.HHN. ML:1.6 0.0003035 1.24 AML other m 2014-03-28T03:49:45.73
IV.NARO.HHE. ML:1.6 0.0003125 0.4 AML other m 2014-03-28T03:49:44.89
IV.PARC.HHE. ML:1.6 0.00033699999999999995 0.26 AML other m 2014-03-28T03:49:45.29
IV.PARC.HHN. ML:1.6 0.0003015 0.68 AML other m 2014-03-28T03:49:46.49
IV.PE3.EHN. ML:2.0 0.0005495 0.34 AML other m 2014-03-28T03:49:48.33
IV.PE3.EHE. ML:2.0 0.0006154999999999999 0.52 AML other m 2014-03-28T03:49:47.10
IV.PIEI.HHE. ML:2.1 0.0014199999999999998 0.12 AML other m 2014-03-28T03:49:43.01
IV.PIEI.HHN. ML:1.9 0.000854 0.36 AML other m 2014-03-28T03:49:42.79
IV.SSFR.HNE. ML:2.0 0.000448 0.82 AML other m 2014-03-28T03:49:49.58
IV.SSFR.HNN. ML:2.1 0.0005204999999999999 0.14 AML other m 2014-03-28T03:49:49.20
IV.SSFR.HHE. ML:2.0 0.0003845 0.94 AML other m 2014-03-28T03:49:49.23
IV.SSFR.HHN. ML:2.0 0.000425 0.6 AML other m 2014-03-28T03:49:49.58
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