Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 29-12-2005 and time 15:01:14 (Italy) in region 2 km E Spoleto (PG)

A magnitude ML 2.2 earthquake occured in region: 2 km E Spoleto (PG), on

  • 29-12-2005 14:01:14 (UTC)
  • 29-12-2005 15:01:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 12.7660 at 20 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Spoleto PG 2 38218 38218
Sant'Anatolia di Narco PG 6 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 9 364 39607
Campello sul Clitunno PG 9 2442 42049
Castel Ritaldi PG 12 3278 45327
Ferentillo TR 14 1913 47240
Poggiodomo PG 14 117 47357
Trevi PG 15 8469 55826
Cerreto di Spoleto PG 15 1075 56901
Montefranco TR 16 1276 58177
Arrone TR 18 2763 60940
Giano dell'Umbria PG 18 3846 64786
Monteleone di Spoleto PG 18 599 65385
Polino TR 19 233 65618
Acquasparta TR 19 4778 70396
Montefalco PG 19 5679 76075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Terni (111501 inhabitants)
24 Km S of Foligno (57155 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
97 Km N of Roma (2864731 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 2.5
ML 2.2 		2005-12-29
14:01:14		 42.744 12.766 20 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 546519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-12-29 14:01:14 ± 0.08
Latitude 42.7440 ± 0.0036
Longitude 12.7660 ± 0.0061
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 546519

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 133
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94789
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 546519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:32:16

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 546519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:32:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.EHN. 2005-12-29T14:01:51.24 10.0 undecidable manual Sg 0 0 0
IV.FSSB.SHZ. 2005-12-29T14:01:47.58 0.6 undecidable manual Sg 0 105.2169 -0.102 22
IV.BADI.EHE. 2005-12-29T14:01:45.15 10.0 undecidable manual Sg 0 0 0
IV.PIEI.BHE. 2005-12-29T14:01:43.90 0.1 undecidable manual Sg 348 89.7435 0.794 35
IV.CERT.HHE. 2005-12-29T14:01:42.90 10.0 undecidable manual Pg 0 0 0
IV.FAGN.EHE. 2005-12-29T14:01:42.57 1.0 undecidable manual Sg 128 85.3479 0.747 10
IV.SFI.SHZ. 2005-12-29T14:01:42.06 10.0 undecidable manual Pg 0 0 0
IV.ARV.SHZ. 2005-12-29T14:01:41.52 0.3 undecidable manual Sg 10 84.7485 -0.115 34
IV.ARVD.EHZ. 2005-12-29T14:01:41.47 0.6 undecidable manual Sg 10 84.8484 -0.18 22
IV.CING.HHN. 2005-12-29T14:01:39.70 0.3 undecidable manual Sg 26 78.1662 -0.004 35
IV.MTCE.BHE. 2005-12-29T14:01:39.79 0.1 undecidable manual Sg 181 80.0643 -0.465 42
IV.CRE.EHN. 2005-12-29T14:01:38.63 10.0 undecidable manual Pg 0 0 0
IV.AQU.SHZ. 2005-12-29T14:01:37.52 0.3 undecidable manual Sg 130 67.6767 0.906 28
IV.SACS.HHN. 2005-12-29T14:01:37.00 0.3 undecidable manual Sg 280 70.6737 -0.49 33
IV.TERO.HHE. 2005-12-29T14:01:36.70 0.1 undecidable manual Sg 101 69.6747 -0.499 41
IV.MURB.HHN. 2005-12-29T14:01:35.22 0.1 undecidable manual Sg 341 60.7947 0.616 40
IV.BADI.EHE. 2005-12-29T14:01:33.74 10.0 undecidable manual Pg 0 0 0
IV.CAMP.EHZ. 2005-12-29T14:01:33.42 0.1 undecidable manual Sg 114 57.3981 -0.187 46
IV.FSSB.SHZ. 2005-12-29T14:01:33.04 0.1 undecidable manual Pg 0 105.2169 0.001 87
IV.SNTG.SHZ. 2005-12-29T14:01:33.95 0.6 undecidable manual Sg 14 58.3971 0.039 24
IV.PTQR.SHZ. 2005-12-29T14:01:31.52 0.1 undecidable manual Pg 147 95.5377 0.093 89
IV.FAGN.EHE. 2005-12-29T14:01:30.23 0.1 undecidable manual Pg 128 85.3479 0.483 83
IV.PIEI.BHE. 2005-12-29T14:01:30.71 0.1 undecidable manual Pg 348 89.7435 0.244 86
IV.ARVD.EHZ. 2005-12-29T14:01:29.36 0.1 undecidable manual Pg 10 84.8484 -0.29 87
IV.ARV.SHZ. 2005-12-29T14:01:29.39 0.1 undecidable manual Pg 10 84.7485 -0.251 88
IV.MNS.BHN. 2005-12-29T14:01:28.68 0.1 undecidable manual Sg 190 40.4262 -0.077 49
IV.CING.HHN. 2005-12-29T14:01:28.53 0.1 undecidable manual Pg 26 78.1662 -0.025 93
IV.MTCE.BHE. 2005-12-29T14:01:28.72 0.1 undecidable manual Pg 181 80.0643 -0.147 90
IV.SACS.HHN. 2005-12-29T14:01:27.33 0.1 undecidable manual Pg 280 70.6737 0.015 93
IV.AQU.SHZ. 2005-12-29T14:01:27.62 0.6 undecidable manual Pg 130 67.6767 0.8 38
IV.TERO.HHE. 2005-12-29T14:01:26.93 0.1 undecidable manual Pg 101 69.6747 -0.219 89
IV.SNTG.SHZ. 2005-12-29T14:01:25.04 0.1 undecidable manual Pg 14 58.3971 -0.263 92
IV.NRCA.SHZ. 2005-12-29T14:01:25.61 0.1 undecidable manual Sg 71 30.0477 -0.302 47
IV.CAMP.EHZ. 2005-12-29T14:01:25.21 0.1 undecidable manual Pg 114 57.3981 0.078 96
IV.MURB.HHN. 2005-12-29T14:01:25.62 0.1 undecidable manual Pg 341 60.7947 -0.07 96
IV.LNSS.BHE. 2005-12-29T14:01:24.71 0.3 undecidable manual Sg 125 27.3504 -0.494 33
IV.MNS.BHN. 2005-12-29T14:01:22.34 0.1 undecidable manual Pg 190 40.4262 -0.067 98
IV.LNSS.BHE. 2005-12-29T14:01:20.62 0.1 undecidable manual Pg 125 27.3504 0.21 99
IV.NRCA.SHZ. 2005-12-29T14:01:20.92 0.1 positive manual Pg 71 30.0477 0.113 100
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