Earthquake with magnitude of Md 2.1 on date 30-04-2005 and time 04:45:33 (Italy) in region 6 km S Monte Cavallo (MC)

A magnitude Md 2.1 earthquake occured in region: 6 km S Monte Cavallo (MC), on

  • 30-04-2005 02:45:33 (UTC)
  • 30-04-2005 04:45:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9460, 12.9880 at 1 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
Monte Cavallo MC 6 145 145
Sellano PG 8 1079 1224
Visso MC 8 1107 2331
Preci PG 9 724 3055
Pieve Torina MC 12 1458 4513
Ussita MC 12 444 4957
Fiordimonte MC 13 202 5159
Serravalle di Chienti MC 14 1070 6229
Castelsantangelo sul Nera MC 15 281 6510
Cerreto di Spoleto PG 15 1075 7585
Pievebovigliana MC 15 866 8451
Muccia MC 16 915 9366
Fiastra MC 17 559 9925
Acquacanina MC 18 121 10046
Norcia PG 19 4957 15003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
100 Km S of Fano (60888 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 2.1 2005-04-30
02:45:33
42.946 12.988 1 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 516449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-04-30 02:45:33 ± 0.06
Latitude 42.9460 ± 0.0036
Longitude 12.9880 ± 0.0061
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 516449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 684
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
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) 154
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 516449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:01:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TR9.SHZ. 2005-04-30T02:45:58.50 10.0 undecidable manual Sg 0 0 0
IV.MURB.HHE. 2005-04-30T02:45:51.93 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2005-04-30T02:45:45.89 0.1 undecidable manual Sg 354 34.4433 0.061 49
IV.ASS.SHZ. 2005-04-30T02:45:44.26 0.1 undecidable manual Sg 295 30.2475 -0.055 49
IV.SNTG.SHZ. 2005-04-30T02:45:40.37 0.1 undecidable manual Pg 354 34.4433 -0.069 98
IV.ASS.SHZ. 2005-04-30T02:45:39.62 0.1 undecidable manual Pg 295 30.2475 0.031 99
IV.NRCA.SHZ. 2005-04-30T02:45:39.13 0.1 undecidable manual Sg 141 16.1727 -0.161 50
IV.NRCA.SHZ. 2005-04-30T02:45:36.88 0.1 undecidable manual Pg 141 16.1727 0.113 100
IV.TR9.SHZ. 2005-04-30T02:45:22.00 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHE. 2005-04-30T02:45:21.27 10.0 undecidable manual Sg 0 0 0
IV.GIO.SHZ. 2005-04-30T02:45:20.40 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHE. 2005-04-30T02:45:14.88 10.0 undecidable manual Pg 0 0 0
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