Earthquake with magnitude of Md 2.0 on date 22-12-2002 and time 17:09:34 (UTC) in region 8 km NW Valfabbrica (PG)

A magnitude Md 2.0 earthquake occured in region: 8 km NW Valfabbrica (PG), on

  • 22-12-2002 17:09:34 (UTC)
  • 22-12-2002 18:09:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2270, 12.5690 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
Valfabbrica PG 8 3389 3389
Gubbio PG 14 32216 35605
Fossato di Vico PG 17 2840 38445
Gualdo Tadino PG 18 15208 53653
Assisi PG 18 28299 81952
Bastia Umbra PG 18 21874 103826
Sigillo PG 18 2404 106230
Costacciaro PG 19 1216 107446
Perugia PG 20 166134 273580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Perugia (166134 inhabitants)
32 Km NW of Foligno (57155 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
74 Km N of Terni (111501 inhabitants)
78 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
88 Km W of Ancona (100861 inhabitants)
93 Km S of Rimini (147750 inhabitants)
98 Km NE of Viterbo (67173 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 2.0 2002-12-22
17:09:34
43.227 12.569 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 465289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-12-22 17:09:34 ± 0.194
Latitude 43.2270 ± 0.0071
Longitude 12.5690 ± 0.0177
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 465289

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1633.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00534
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 465289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:20:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 2002-12-22T17:09:55.12 10.0 undecidable manual SG 311 0.5883 -0.16 0.2
--.FSSB.Z. 2002-12-22T17:09:51.86 10.0 undecidable manual SG 18 0.4884 0.01 0.7
--.ARV.Z. 2002-12-22T17:09:48.59 10.0 undecidable manual SG 45 0.3774 0.07 0.8
--.CRE.Z. 2002-12-22T17:09:47.46 10.0 undecidable manual PG 311 0.5883 1.07 0.3
--.SNTG.Z. 2002-12-22T17:09:45.27 10.0 undecidable manual SG 84 0.2664 0.38 0.3
--.FSSB.Z. 2002-12-22T17:09:44.60 10.0 undecidable manual PG 18 0.4884 -0.35 1
--.ARV.Z. 2002-12-22T17:09:42.34 10.0 undecidable manual PG 45 0.3774 -0.14 1.9
--.ASS.Z. 2002-12-22T17:09:41.70 10.0 undecidable manual SG 159 0.1665 -0.1 0.8
--.SNTG.Z. 2002-12-22T17:09:40.53 10.0 undecidable manual PG 84 0.2664 0.14 2
--.ASS.Z. 2002-12-22T17:09:38.56 10.0 undecidable manual PG 159 0.1665 -0.04 1.9
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