Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 01-02-2014 and time 08:59:50 (UTC) in region 4 km SE Pietralunga (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km SE Pietralunga (PG), on

  • 01-02-2014 08:59:50 (UTC)
  • 01-02-2014 09:59:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4220, 12.4730 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4 2111 2111
Gubbio PG 12 32216 34327
Montone PG 13 1680 36007
Cantiano PU 14 2245 38252
Apecchio PU 16 1882 40134
Scheggia e Pascelupo PG 16 1393 41527
Umbertide PG 17 16681 58208
Piobbico PU 19 2029 60237
Città di Castello PG 19 39913 100150
Cagli PU 20 8731 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
55 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
97 Km N of Terni (111501 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 2014-02-01
08:59:50		 43.4225 12.4733 9 2015-09-21
09:34:15		 Bollettino Sismico Italiano INGV 16589371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-01 08:59:50 ± 0.1
Latitude 43.4225 ± 0.0027
Longitude 12.4733 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 16589371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.34894
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 16589371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-01-18 18:29:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2014-02-01T09:00:01.25 0.6 undecidable manual S 153 29.5482 107 0.26 46
IV.SSFR.HHZ. 2014-02-01T08:59:59.42 0.6 undecidable manual S 86 24.9528 109 -0.04 49
IV.BADI.EHZ. 2014-02-01T08:59:58.42 0.6 undecidable manual S 298 20.7681 113 0.3 47
IV.NARO.HHZ. 2014-02-01T08:59:58.59 0.6 undecidable manual S 22 22.5552 111 -0.1 48
IV.FRON.EHZ. 2014-02-01T08:59:58.83 0.6 undecidable manual S 62 22.8549 111 0.04 49
IV.FSSB.HHZ. 2014-02-01T08:59:57.72 0.6 undecidable manual P 39 38.7279 50 -0.24 46
IV.MURB.HHZ. 2014-02-01T08:59:57.52 0.6 undecidable manual S 167 18.1707 116 0.23 47
IV.ATCC.EHZ. 2014-02-01T08:59:56.33 0.1 undecidable manual P 153 29.5482 107 -0.13 95
IV.PIEI.HHZ. 2014-02-01T08:59:56.34 0.6 undecidable manual S 22 13.4754 123 0.47 45
IV.SSFR.HHZ. 2014-02-01T08:59:55.61 0.1 undecidable manual P 86 24.9528 109 0.03 98
IV.NARO.HHZ. 2014-02-01T08:59:55.02 0.1 positive manual P 22 22.5552 111 -0.12 96
IV.FRON.EHZ. 2014-02-01T08:59:55.12 0.1 undecidable manual P 62 22.8549 111 -0.08 97
IV.MURB.HHZ. 2014-02-01T08:59:54.37 0.1 undecidable manual P 167 18.1707 116 0.04 99
IV.ATFO.HHZ. 2014-02-01T08:59:54.76 0.6 undecidable manual S 128 10.0788 131 -0.16 49
IV.BADI.EHZ. 2014-02-01T08:59:54.88 0.1 undecidable manual P 298 20.7681 113 0.07 98
IV.ATPI.EHZ. 2014-02-01T08:59:53.71 0.3 undecidable manual S 299 6.4935 143 -0.37 71
IV.PIEI.HHZ. 2014-02-01T08:59:53.73 0.1 undecidable manual P 22 13.4754 123 0.22 96
IV.ATPI.EHZ. 2014-02-01T08:59:52.40 0.1 undecidable manual P 299 6.4935 143 -0.07 100
IV.ATFO.HHZ. 2014-02-01T08:59:52.88 0.1 undecidable manual P 128 10.0788 131 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:1.1 0.000223 0.5 AML other m 2014-02-01T08:59:53.80
IV.ATPI.EHN. ML:1.0 0.000188 0.46 AML other m 2014-02-01T08:59:54.42
IV.MURB.HHN. ML:1.6 0.0003145 1.5 AML other m 2014-02-01T08:59:58.08
IV.MURB.HHE. ML:1.6 0.000364 0.28 AML other m 2014-02-01T08:59:59.29
IV.PIEI.HHN. ML:1.1 0.00013835 0.26 AML other m 2014-02-01T08:59:56.76
IV.PIEI.HHE. ML:1.2 0.00019700000000000002 0.12 AML other m 2014-02-01T08:59:56.81
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