Earthquake with magnitude of Md 2.0 on date 27-09-2003 and time 04:20:14 (UTC) in region 4 km NE Sellano (PG)

A magnitude Md 2.0 earthquake occured in region: 4 km NE Sellano (PG), on

  • 27-09-2003 04:20:14 (UTC)
  • 27-09-2003 06:20:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9130, 12.9700 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
Sellano PG 4 1079 1079
Preci PG 7 724 1803
Monte Cavallo MC 9 145 1948
Visso MC 10 1107 3055
Cerreto di Spoleto PG 11 1075 4130
Ussita MC 14 444 4574
Castelsantangelo sul Nera MC 15 281 4855
Pieve Torina MC 16 1458 6313
Norcia PG 17 4957 11270
Fiordimonte MC 17 202 11472
Serravalle di Chienti MC 18 1070 12542
Vallo di Nera PG 18 364 12906
Trevi PG 18 8469 21375
Campello sul Clitunno PG 19 2442 23817
Pievebovigliana MC 19 866 24683
Muccia MC 20 915 25598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 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 2003-09-27
04:20:14
42.913 12.97 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 486799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-09-27 04:20:14 ± 0.179
Latitude 42.9130 ± 0.0071
Longitude 12.9700 ± 0.0188
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 486799

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) 1725.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00526
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 486799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:44:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 2003-09-27T04:20:35.24 10.0 undecidable manual SG 357 0.5883 0.25 0.5
--.MNS.Z. 2003-09-27T04:20:34.89 10.0 undecidable manual SG 201 0.5661 0.44 0.2
--.SNTG.Z. 2003-09-27T04:20:27.68 10.0 undecidable manual SG 356 0.3441 0.5 0.1
--.MNS.Z. 2003-09-27T04:20:25.70 10.0 undecidable manual PG 201 0.5661 -0.22 1.4
--.ARV.Z. 2003-09-27T04:20:25.90 10.0 undecidable manual PG 357 0.5883 -0.33 0.9
--.ASS.Z. 2003-09-27T04:20:24.79 10.0 undecidable manual SG 302 0.2664 -0.26 0.5
--.SNTG.Z. 2003-09-27T04:20:21.68 10.0 undecidable manual PG 356 0.3441 -0.04 2.2
--.ASS.Z. 2003-09-27T04:20:20.47 10.0 undecidable manual PG 302 0.2664 -0.02 2.2
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