Earthquake with magnitude of ML 1.4 on date 12-02-2008 and time 08:55:35 (Italy) in region 4 km SE Foligno (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Foligno (PG), on

  • 12-02-2008 07:55:35 (UTC)
  • 12-02-2008 08:55:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9290, 12.7440 at 10 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
Foligno PG 4 57155 57155
Trevi PG 6 8469 65624
Montefalco PG 8 5679 71303
Spello PG 9 8645 79948
Bevagna PG 11 5081 85029
Campello sul Clitunno PG 12 2442 87471
Castel Ritaldi PG 13 3278 90749
Valtopina PG 15 1398 92147
Cannara PG 15 4305 96452
Gualdo Cattaneo PG 15 6155 102607
Sellano PG 16 1079 103686
Giano dell'Umbria PG 17 3846 107532
Cerreto di Spoleto PG 19 1075 108607
Assisi PG 19 28299 136906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SE of Foligno (57155 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
42 Km N of Terni (111501 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
84 Km W of Teramo (54892 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
99 Km SW of Ancona (100861 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 1.4
2008-02-12
07:55:35
42.929 12.744 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 673589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-02-12 07:55:35 ± 0.38
Latitude 42.9290 ± 0.0162
Longitude 12.7440 ± 0.0282
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 673589

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2368
Semi-minor axis of confidence ellipse (meter) 1684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 2920.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.65
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39210
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 673589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:46:35

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 673589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:46:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILLI.BHZ. 2008-02-12T07:55:50.22 10.0 undecidable manual Pg 0 0 0
IV.LNSS.BHN. 2008-02-12T07:55:50.97 0.1 undecidable manual Sg 146 43.5231 0.833 78
IV.NRCA.SHZ. 2008-02-12T07:55:46.95 0.1 undecidable manual Sg 109 31.9458 -0.089 100
IV.LNSS.BHN. 2008-02-12T07:55:43.81 0.1 undecidable manual Pg 146 43.5231 -0.275 94
IV.CESI.BHZ. 2008-02-12T07:55:42.63 0.1 undecidable manual Sg 57 15.4734 0.418 96
IV.NRCA.SHZ. 2008-02-12T07:55:41.51 0.1 undecidable manual Pg 109 31.9458 -0.787 82
IV.CESI.BHZ. 2008-02-12T07:55:39.22 0.1 undecidable manual Pg 57 15.4734 -0.289 99
IV.ASS.SHZ. 2008-02-12T07:55:39.92 0.1 undecidable manual Pg 333 16.5723 0.221 100
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