Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 27-07-2014 and time 05:03:25 (UTC) in region 6 km S Pietralunga (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km S Pietralunga (PG), on

  • 27-07-2014 05:03:25 (UTC)
  • 27-07-2014 07:03:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3890, 12.4310 at 7 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 6 2111 2111
Montone PG 9 1680 3791
Umbertide PG 12 16681 20472
Gubbio PG 13 32216 52688
Città di Castello PG 17 39913 92601
Cantiano PU 19 2245 94846
Apecchio PU 19 1882 96728
Scheggia e Pascelupo PG 19 1393 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
53 Km NW of Foligno (57155 inhabitants)
69 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
89 Km E of Siena (53903 inhabitants)
91 Km W of Ancona (100861 inhabitants)
94 Km N of Terni (111501 inhabitants)
98 Km SE of Forlì (117913 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 1.1 2014-07-27
05:03:25		 43.3892 12.4312 7 2015-09-21
09:37:39		 Bollettino Sismico Italiano INGV 18118881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-07-27 05:03:25 ± 0.09
Latitude 43.3892 ± 0.0036
Longitude 12.4312 ± 0.0062
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18118881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39390
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 18118881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-31 15:36:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2014-07-27T05:03:36.90 0.6 undecidable manual S 332 32.6451 102 -0.02 48
IV.ATCC.EHZ. 2014-07-27T05:03:35.80 0.6 undecidable manual S 143 28.2495 104 0.39 45
IV.ASSB.HHZ. 2014-07-27T05:03:33.41 0.6 undecidable manual P 154 42.624 50 -0.4 44
IV.ATTE.HHZ. 2014-07-27T05:03:33.50 0.6 undecidable manual S 196 22.1556 108 0.12 48
IV.FSSB.HHZ. 2014-07-27T05:03:33.56 0.3 undecidable manual P 39 43.7229 50 -0.41 65
IV.APEC.HHZ. 2014-07-27T05:03:32.50 0.3 undecidable manual S 357 18.7701 111 0.21 71
IV.BADI.EHZ. 2014-07-27T05:03:32.90 0.3 undecidable manual S 312 20.1687 109 0.18 71
IV.PARC.HHZ. 2014-07-27T05:03:31.88 0.1 undecidable manual P 332 32.6451 102 -0.13 94
IV.ATCC.EHZ. 2014-07-27T05:03:31.15 0.1 undecidable manual P 143 28.2495 104 0.01 97
IV.NARO.HHZ. 2014-07-27T05:03:30.77 0.1 undecidable manual P 26 27.3504 105 -0.21 93
IV.ATFO.HHZ. 2014-07-27T05:03:30.20 0.6 undecidable manual S 102 11.5773 122 0.17 48
IV.BADI.EHZ. 2014-07-27T05:03:29.69 0.1 undecidable manual P 312 20.1687 109 0.1 96
IV.CDCA.EHZ. 2014-07-27T05:03:29.59 0.6 undecidable manual P 296 17.6712 112 0.46 45
IV.ATTE.HHZ. 2014-07-27T05:03:29.97 0.3 undecidable manual P 196 22.1556 108 0 73
IV.APEC.HHZ. 2014-07-27T05:03:29.68 0.1 undecidable manual P 357 18.7701 111 0.34 92
IV.ATPI.EHZ. 2014-07-27T05:03:28.60 0.3 undecidable manual S 341 7.1928 135 -0.23 72
IV.MURB.HHZ. 2014-07-27T05:03:28.97 3.0 negative manual P 0.09 0
IV.ATFO.HHZ. 2014-07-27T05:03:28.18 0.1 undecidable manual P 102 11.5773 122 0.14 97
IV.ATVO.HHZ. 2014-07-27T05:03:27.40 0.3 undecidable manual S 248 2.0979 163 -0.49 69
IV.ATPI.EHZ. 2014-07-27T05:03:27.37 0.1 undecidable manual P 341 7.1928 135 0.03 100
IV.ATVO.HHZ. 2014-07-27T05:03:26.70 0.1 undecidable manual P 248 2.0979 163 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:1.0 0.000195 0.34 AML other m 2014-07-27T05:03:28.73
IV.ATPI.EHN. ML:1.0 0.00017549999999999998 0.56 AML other m 2014-07-27T05:03:29.03
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