Earthquake with magnitude of ML 0.6 on date 06-02-2009 and time 10:05:23 (Italy) in region 1 km S Nocera Umbra (PG)

A magnitude ML 0.6 earthquake occured in region: 1 km S Nocera Umbra (PG), on

  • 06-02-2009 09:05:23 (UTC)
  • 06-02-2009 10:05:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0990, 12.7880 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Nocera Umbra PG 2 5839 5839
Valtopina PG 5 1398 7237
Serravalle di Chienti MC 14 1070 8307
Sefro MC 14 422 8729
Assisi PG 14 28299 37028
Gualdo Tadino PG 15 15208 52236
Spello PG 15 8645 60881
Fiuminata MC 16 1402 62283
Valfabbrica PG 17 3389 65672
Foligno PG 17 57155 122827
Pioraco MC 18 1134 123961
Bastia Umbra PG 20 21874 145835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Foligno (57155 inhabitants)
32 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
84 Km E of Arezzo (99543 inhabitants)
85 Km S of Fano (60888 inhabitants)
89 Km NW of Teramo (54892 inhabitants)
91 Km S of Pesaro (94582 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
97 Km NW of L'Aquila (69753 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 1.9
ML 0.6
2009-02-06
09:05:23
43.099 12.788 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-06 09:05:23 ± 0.28
Latitude 43.0990 ± 0.0036
Longitude 12.7880 ± 0.0222
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742509

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1853
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 1843.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 257
Number of associated phases, regardless of their use for origin computation 6
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) 0.12680
Epicentral distance of station farthest from the epicenter (degree) 0.35703
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 742509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:33

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 742509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.SHZ. 2009-02-06T09:05:36.94 0.1 undecidable manual Sg 138 39.627 0.077 96
IV.NRCA.SHZ. 2009-02-06T09:05:31.01 0.1 undecidable manual Pg 138 39.627 -0.134 95
IV.SNTG.SHZ. 2009-02-06T09:05:31.35 0.1 undecidable manual Sg 35 21.2676 0.022 100
IV.CESI.HHE. 2009-02-06T09:05:28.99 0.1 undecidable manual Sg 138 14.0748 -0.095 100
IV.SNTG.SHZ. 2009-02-06T09:05:27.91 0.1 undecidable manual Pg 35 21.2676 -0.037 100
IV.CESI.HHE. 2009-02-06T09:05:26.82 0.1 undecidable manual Pg 138 14.0748 0.167 98
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