Earthquake with magnitude of ML 1.1 on date 25-03-2014 and time 03:31:52 (UTC) in region 7 km NW Pietralunga (PG)

A magnitude ML 1.1 earthquake occured in region: 7 km NW Pietralunga (PG), on

  • 25-03-2014 03:31:52 (UTC)
  • 25-03-2014 04:31:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4970, 12.3840 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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
CittĂ  di Castello PG 12 39913 43906
Piobbico PU 15 2029 45935
Montone PG 15 1680 47615
Mercatello sul Metauro PU 17 1378 48993
San Giustino PG 18 11297 60290
Monte Santa Maria Tiberina PG 19 1183 61473
Sant'Angelo in Vado PU 19 4133 65606
Borgo Pace PU 19 606 66212
Cantiano PU 20 2245 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)
63 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)
72 Km S of Cesena (96758 inhabitants)
85 Km SE of Forlì (117913 inhabitants)
87 Km E of Siena (53903 inhabitants)
93 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
Reviewed
Rev100
ML 1.1 2014-03-25
03:31:52
43.4967 12.384 8 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5923021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-03-25 03:31:52 ± 0.16
Latitude 43.4967 ± 0.0036
Longitude 12.3840 ± 0.0050
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 5923021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.25451
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 5923021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-03-25 03:36:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2014-03-25T03:32:02.74 0.1 undecidable manual S 156 28.2495 105 0.06 96
IV.ATFO.HHZ. 2014-03-25T03:32:00.18 0.1 undecidable manual S 134 20.868 110 -0.05 98
IV.ATMI.HHZ. 2014-03-25T03:32:00.10 0.1 undecidable manual S 207 20.2686 111 0.07 97
IV.NARO.HHZ. 2014-03-25T03:31:59.72 0.1 undecidable manual S 51 20.2686 111 -0.3 93
IV.PIEI.HHZ. 2014-03-25T03:31:58.15 0.1 undecidable manual S 70 12.876 121 0.44 91
IV.MURB.HHZ. 2014-03-25T03:31:58.14 0.1 undecidable manual P 156 28.2495 105 -0.24 93
IV.ATVO.HHZ. 2014-03-25T03:31:57.82 0.1 undecidable manual S 172 12.876 121 0.13 97
IV.BADI.EHZ. 2014-03-25T03:31:57.26 0.1 undecidable manual S 277 11.2776 124 0.01 100
IV.ATMI.HHZ. 2014-03-25T03:31:56.80 1.0 positive manual P 207 20.2686 111 -0.05 24
IV.NARO.HHZ. 2014-03-25T03:31:56.82 0.6 undecidable manual P 51 20.2686 111 -0.02 49
IV.ATFO.HHZ. 2014-03-25T03:31:56.89 0.3 negative manual P 134 20.868 110 -0.07 73
IV.BADI.EHZ. 2014-03-25T03:31:55.40 1.0 undecidable manual P 277 11.2776 124 0.16 24
IV.ATVO.HHZ. 2014-03-25T03:31:55.67 0.3 negative manual P 172 12.876 121 0.17 72
IV.ATPI.EHZ. 2014-03-25T03:31:55.46 0.1 undecidable manual S 164 5.2947 145 -0.28 96
IV.PIEI.HHZ. 2014-03-25T03:31:55.76 1.0 undecidable manual P 70 12.876 121 0.25 24
IV.ATPI.EHZ. 2014-03-25T03:31:54.38 1.0 undecidable manual P 164 5.2947 145 0.01 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.0 0.0000775 1.58 AML other m 2014-03-25T03:32:00.80
IV.ATFO.HHE. ML:1.0 0.0000814 0.52 AML other m 2014-03-25T03:32:01.12
IV.ATVO.HHN. ML:1.0 0.0001235 0.78 AML other m 2014-03-25T03:31:58.32
IV.ATVO.HHE. ML:1.1 0.00013405 0.3 AML other m 2014-03-25T03:31:58.10
IV.BADI.EHN. ML:1.1 0.000162 1.42 AML other m 2014-03-25T03:31:58.15
IV.BADI.EHE. ML:1.0 0.00012525 0.16 AML other m 2014-03-25T03:31:58.05
IV.MURB.HHE. ML:1.4 0.00011800000000000001 0.16 AML other m 2014-03-25T03:32:03.72
IV.MURB.HHN. ML:1.2 0.00009075 0.82 AML other m 2014-03-25T03:32:03.62
IV.PIEI.HHN. ML:0.8 0.00007764999999999999 0.68 AML other m 2014-03-25T03:31:58.76
IV.PIEI.HHE. ML:1.1 0.000134 0.18 AML other m 2014-03-25T03:31:58.77
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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