Earthquake with magnitude of ML 1.5 on date 14-10-2009 and time 04:45:23 (Italy) in region 4 km SE Gualdo Tadino (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Gualdo Tadino (PG), on

  • 14-10-2009 02:45:23 (UTC)
  • 14-10-2009 04:45:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2120, 12.8260 at 21 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
Gualdo Tadino PG 4 15208 15208
Fiuminata MC 9 1402 16610
Fossato di Vico PG 11 2840 19450
Esanatoglia MC 11 2034 21484
Nocera Umbra PG 12 5839 27323
Sefro MC 12 422 27745
Pioraco MC 13 1134 28879
Sigillo PG 15 2404 31283
Fabriano AN 15 31480 62763
Matelica MC 16 9981 72744
Cerreto d'Esi AN 18 3817 76561
Valtopina PG 18 1398 77959
Serravalle di Chienti MC 19 1070 79029
Costacciaro PG 19 1216 80245
Castelraimondo MC 19 4587 84832
Valfabbrica PG 19 3389 88221
Gagliole MC 20 620 88841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
72 Km S of Fano (60888 inhabitants)
74 Km N of Terni (111501 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
94 Km NW of Teramo (54892 inhabitants)
97 Km S of Rimini (147750 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 1.5 2009-10-14
02:45:23
43.212 12.826 21 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 979019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-10-14 02:45:23 ± 0.28
Latitude 43.2120 ± 0.0081
Longitude 12.8260 ± 0.0111
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 979019

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 935
Semi-minor axis of confidence ellipse (meter) 692
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 200
Circular confidence region, given by single value of horizontal uncertainty (meter) 1272.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 979019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:43:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHE. 2009-10-14T02:45:38.02 0.3 undecidable manual Sg 327 42.9237 0.113 71
IV.MURB.HHN. 2009-10-14T02:45:33.55 0.3 undecidable manual Sg 283 25.0527 0.001 75
IV.PIEI.HHE. 2009-10-14T02:45:31.70 0.1 undecidable manual Pg 327 42.9237 -0.148 94
IV.SNTG.SHZ. 2009-10-14T02:45:30.68 0.3 undecidable manual Sg 62 10.3785 -0.108 75
IV.MURB.HHN. 2009-10-14T02:45:29.33 0.1 undecidable manual Pg 283 25.0527 -0.002 100
IV.FIU.EHE. 2009-10-14T02:45:28.45 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-10-14T02:45:27.88 0.1 undecidable manual Pg 62 10.3785 0.141 100
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