Earthquake with magnitude of Md 2.2 on date 23-12-2002 and time 05:18:47 (Italy) in region 6 km E Monteleone di Spoleto (PG)

A magnitude Md 2.2 earthquake occured in region: 6 km E Monteleone di Spoleto (PG), on

  • 23-12-2002 04:18:47 (UTC)
  • 23-12-2002 05:18:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6500, 13.0310 at 5 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
Monteleone di Spoleto PG 6 599 599
Cascia PG 8 3217 3816
Poggiodomo PG 11 117 3933
Leonessa RI 11 2435 6368
Cittareale RI 11 482 6850
Posta RI 15 694 7544
Norcia PG 17 4957 12501
Polino TR 17 233 12734
Borbona RI 17 617 13351
Scheggino PG 18 461 13812
Sant'Anatolia di Narco PG 18 564 14376
Accumoli RI 19 667 15043
Vallo di Nera PG 19 364 15407
Ferentillo TR 20 1913 17320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
43 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
55 Km W of Teramo (54892 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
99 Km W of Chieti (51815 inhabitants)
99 Km W of Pescara (121014 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 2.2 2002-12-23
04:18:47
42.65 13.031 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 465349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-12-23 04:18:47 ± 0.086
Latitude 42.6500 ± 0.0039
Longitude 13.0310 ± 0.0088
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 465349

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) 842.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 465349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:21:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2002-12-23T04:19:09.27 10.0 undecidable manual SG 353 0.5994 -0.17 0.5
--.ASS.Z. 2002-12-23T04:19:05.76 10.0 undecidable manual SG 325 0.4995 -0.11 0.7
--.AQU.Z. 2002-12-23T04:19:02.24 10.0 undecidable manual SG 136 0.3996 -0.4 0.1
--.MNS.Z. 2002-12-23T04:19:01.10 10.0 undecidable manual SG 224 0.3663 -0.28 0.3
--.SNTG.Z. 2002-12-23T04:18:59.90 10.0 undecidable manual PG 353 0.5994 -0.07 1.8
--.ASS.Z. 2002-12-23T04:18:58.50 10.0 undecidable manual PG 325 0.4995 0.14 1.6
--.AQU.Z. 2002-12-23T04:18:56.25 10.0 undecidable manual PG 136 0.3996 0.21 1.2
--.MNS.Z. 2002-12-23T04:18:55.42 10.0 undecidable manual PG 224 0.3663 0.1 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