Earthquake with magnitude of ML 1.5 on date 25-12-2006 and time 14:55:55 (UTC) in region 5 km E Trevi (PG)

A magnitude ML 1.5 earthquake occured in region: 5 km E Trevi (PG), on

  • 25-12-2006 14:55:55 (UTC)
  • 25-12-2006 15:55:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8640, 12.8020 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
Trevi PG 5 8469 8469
Campello sul Clitunno PG 5 2442 10911
Cerreto di Spoleto PG 11 1075 11986
Sellano PG 11 1079 13065
Castel Ritaldi PG 11 3278 16343
Vallo di Nera PG 12 364 16707
Montefalco PG 13 5679 22386
Foligno PG 13 57155 79541
Sant'Anatolia di Narco PG 15 564 80105
Spoleto PG 15 38218 118323
Scheggino PG 17 461 118784
Bevagna PG 18 5081 123865
Spello PG 18 8645 132510
Giano dell'Umbria PG 19 3846 136356
Preci PG 19 724 137080
Poggiodomo PG 20 117 137197

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
43 Km SE of Perugia (166134 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
76 Km NE of Viterbo (67173 inhabitants)
77 Km W of Teramo (54892 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.5
ML 1.5
2006-12-25
14:55:55
42.864 12.802 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 607009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-12-25 14:55:55 ± 0.08
Latitude 42.8640 ± 0.0054
Longitude 12.8020 ± 0.0086
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 607009

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 895
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.22753
Epicentral distance of station farthest from the epicenter (degree) 0.31386
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 607009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:35:16

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 607009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:35:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.BHZ. 2006-12-25T14:56:07.33 0.1 undecidable manual Sg 146 34.8429 -0.107 49
IV.ASS.SHZ. 2006-12-25T14:56:04.70 0.3 undecidable manual Sg 331 25.2525 -0.138 37
IV.NRCA.SHZ. 2006-12-25T14:56:04.82 0.1 undecidable manual Sg 98 25.5522 -0.14 50
IV.LNSS.BHZ. 2006-12-25T14:56:02.38 0.3 undecidable manual Pg 146 34.8429 0.019 75
IV.NRCA.SHZ. 2006-12-25T14:56:01.06 0.1 undecidable manual Pg 98 25.5522 0.128 100
IV.ASS.SHZ. 2006-12-25T14:56:00.90 0.3 undecidable manual Pg 331 25.2525 0.039 76
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