Earthquake with magnitude of Md 2.5 on date 28-05-2003 and time 21:39:04 (UTC) in region 4 km NW Ferentillo (TR)

A magnitude Md 2.5 earthquake occured in region: 4 km NW Ferentillo (TR), on

  • 28-05-2003 21:39:04 (UTC)
  • 28-05-2003 23:39:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6520, 12.7750 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
Ferentillo TR 4 1913 1913
Montefranco TR 6 1276 3189
Arrone TR 8 2763 5952
Scheggino PG 8 461 6413
Polino TR 9 233 6646
Spoleto PG 10 38218 44864
Sant'Anatolia di Narco PG 10 564 45428
Labro RI 14 374 45802
Terni TR 15 111501 157303
Monteleone di Spoleto PG 15 599 157902
Morro Reatino RI 15 373 158275
Poggiodomo PG 15 117 158392
Vallo di Nera PG 15 364 158756
Rivodutri RI 16 1253 160009
Colli sul Velino RI 17 533 160542
Leonessa RI 19 2435 162977
Campello sul Clitunno PG 19 2442 165419
Poggio Bustone RI 19 2055 167474
Acquasparta TR 19 4778 172252
San Gemini TR 19 5018 177270
Stroncone TR 19 4917 182187

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Terni (111501 inhabitants)
34 Km S of Foligno (57155 inhabitants)
60 Km SE of Perugia (166134 inhabitants)
61 Km E of Viterbo (67173 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
73 Km N of Guidonia Montecelio (88673 inhabitants)
76 Km W of Teramo (54892 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
88 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 2003-05-28
21:39:04
42.652 12.775 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 478299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-05-28 21:39:04 ± 0.206
Latitude 42.6520 ± 0.0086
Longitude 12.7750 ± 0.0251
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 478299

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) 2261.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01020
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 478299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:35:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 2003-05-28T21:39:28.15 10.0 undecidable manual PN 328 1.1322 1.48 0.1
--.SNTG.Z. 2003-05-28T21:39:26.81 10.0 undecidable manual SG 11 0.6105 0.03 0.7
--.AQU.Z. 2003-05-28T21:39:25.20 10.0 undecidable manual SG 122 0.5439 0.48 0.6
--.ASS.Z. 2003-05-28T21:39:20.41 10.0 undecidable manual SG 347 0.4107 -0.04 0.8
--.SNTG.Z. 2003-05-28T21:39:16.85 10.0 undecidable manual PG 11 0.6105 -0.38 1.5
--.AQU.Z. 2003-05-28T21:39:15.98 10.0 undecidable manual PG 122 0.5439 -0.07 1.9
--.MNS.Z. 2003-05-28T21:39:14.83 10.0 undecidable manual SG 194 0.2664 -0.15 0.7
--.ASS.Z. 2003-05-28T21:39:12.92 10.0 undecidable manual PG 347 0.4107 -0.66 1.1
--.MNS.Z. 2003-05-28T21:39:10.70 10.0 undecidable manual PG 194 0.2664 -0.35 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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