Earthquake with magnitude of ML 1.8 on date 12-10-2005 and time 22:11:17 (UTC) in region 5 km SE Assisi (PG)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Assisi (PG), on

  • 12-10-2005 22:11:17 (UTC)
  • 13-10-2005 00:11:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0300, 12.6370 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
Assisi PG 5 28299 28299
Spello PG 5 8645 36944
Cannara PG 6 4305 41249
Bastia Umbra PG 8 21874 63123
Foligno PG 10 57155 120278
Valtopina PG 10 1398 121676
Bevagna PG 11 5081 126757
Bettona PG 12 4367 131124
Gualdo Cattaneo PG 15 6155 137279
Valfabbrica PG 15 3389 140668
Montefalco PG 15 5679 146347
Nocera Umbra PG 16 5839 152186
Torgiano PG 16 6725 158911
Deruta PG 18 9669 168580
Trevi PG 19 8469 177049

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of Foligno (57155 inhabitants)
22 Km E of Perugia (166134 inhabitants)
52 Km N of Terni (111501 inhabitants)
78 Km SE of Arezzo (99543 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Fano (60888 inhabitants)
96 Km W of Teramo (54892 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 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 1.8
ML 1.8
2005-10-12
22:11:17
43.03 12.637 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 537549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-10-12 22:11:17 ± 0.08
Latitude 43.0300 ± 0.0036
Longitude 12.6370 ± 0.0074
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 537549

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 632
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.24731
Epicentral distance of station farthest from the epicenter (degree) 0.51891
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 537549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:23:05

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 537549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:23:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.BHZ. 2005-10-12T22:11:36.68 0.1 undecidable manual Sg 145 57.5979 -0.167 46
IV.NRCA.SHZ. 2005-10-12T22:11:33.12 0.1 undecidable manual Sg 119 44.5221 0.181 47
IV.SNTG.SHZ. 2005-10-12T22:11:29.99 0.1 undecidable manual Sg 44 35.0427 -0.144 48
IV.LNSS.BHZ. 2005-10-12T22:11:28.30 0.1 undecidable manual Pg 145 57.5979 -0.106 93
IV.MURB.HHZ. 2005-10-12T22:11:27.92 0.1 undecidable manual Sg 341 27.4503 0.054 50
IV.NRCA.SHZ. 2005-10-12T22:11:26.35 0.1 undecidable manual Pg 119 44.5221 0.145 94
IV.SNTG.SHZ. 2005-10-12T22:11:24.60 0.1 undecidable manual Pg 44 35.0427 -0.032 98
IV.MURB.HHZ. 2005-10-12T22:11:23.37 0.1 undecidable manual Pg 341 27.4503 0.009 100
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