Earthquake with magnitude of Md 0.9 on date 01-02-2014 and time 06:46:42 (UTC) in region 3 km SE Pietralunga (PG)

A magnitude Md 0.9 earthquake occured in region: 3 km SE Pietralunga (PG), on

  • 01-02-2014 06:46:42 (UTC)
  • 01-02-2014 07:46:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4210, 12.4600 at 8 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.

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 3 2111 2111
Gubbio PG 12 32216 34327
Montone PG 12 1680 36007
Cantiano PU 15 2245 38252
Apecchio PU 16 1882 40134
Umbertide PG 17 16681 56815
Scheggia e Pascelupo PG 17 1393 58208
CittĂ  di Castello PG 18 39913 98121
Piobbico PU 19 2029 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
47 Km E of Arezzo (99543 inhabitants)
55 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
92 Km E of Siena (53903 inhabitants)
95 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
Md 0.9 2014-02-01
06:46:42
43.4208 12.4597 8 2015-09-21
09:34:15
Bollettino Sismico Italiano INGV 9158831
Reviewed
Rev100
ML 2.1 2014-02-01
06:46:42
43.4172 12.4543 9 2015-08-12
08:41:00
Sala Sismica INGV-Roma 5426611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-01 06:46:42 ± 0.26
Latitude 43.4208 ± 0.0054
Longitude 12.4597 ± 0.0111
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9158831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 773
Semi-minor axis of confidence ellipse (meter) 458
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.20864
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 5426611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-02-01 06:59:00

Md:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 5
Type of magnitude Md
Reference to an origin 9158831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-10-31 14:34:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2014-02-01T06:46:50.98 0.3 undecidable manual S 25 23.1546 109 -0.29 69
IV.BADI.EHE. 2014-02-01T06:46:50.93 0.3 undecidable manual S 300 19.9689 111 0.73 61
IV.MURB.HHZ. 2014-02-01T06:46:49.90 0.3 undecidable manual S 163 18.2706 113 0.23 71
IV.PIEI.HHZ. 2014-02-01T06:46:48.70 0.3 undecidable manual S 25 14.0748 119 0.33 70
IV.NARO.HHZ. 2014-02-01T06:46:47.45 0.1 undecidable manual P 25 23.1546 109 -0.23 94
IV.BADI.EHE. 2014-02-01T06:46:46.60 0.1 undecidable manual P 300 19.9689 111 -0.46 90
IV.PIEI.HHZ. 2014-02-01T06:46:46.17 0.1 undecidable manual P 25 14.0748 119 0.17 96
IV.MURB.HHZ. 2014-02-01T06:46:46.84 0.1 undecidable manual P 163 18.2706 113 0.09 97
IV.ATPI.EHZ. 2014-02-01T06:46:46.05 0.3 undecidable manual S 306 5.6943 144 -0.08 75
IV.ATVO.HHZ. 2014-02-01T06:46:45.89 0.3 undecidable manual S 225 6.0939 142 -0.32 71
IV.ATVO.HHZ. 2014-02-01T06:46:44.70 0.1 positive manual P 225 6.0939 142 -0.05 100
IV.ATPI.EHZ. 2014-02-01T06:46:44.79 0.1 positive manual P 306 5.6943 144 0.08 100
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