Earthquake with magnitude of ML 0.7 on date 03-07-2009 and time 04:34:21 (Italy) in region 2 km W Visso (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km W Visso (MC), on

  • 03-07-2009 02:34:21 (UTC)
  • 03-07-2009 04:34:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 13.0600 at 9 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
Visso MC 3 1107 1107
Ussita MC 7 444 1551
Preci PG 7 724 2275
Monte Cavallo MC 8 145 2420
Castelsantangelo sul Nera MC 9 281 2701
Fiordimonte MC 12 202 2903
Sellano PG 12 1079 3982
Pieve Torina MC 12 1458 5440
Fiastra MC 14 559 5999
Acquacanina MC 14 121 6120
Pievebovigliana MC 14 866 6986
Bolognola MC 15 142 7128
Norcia PG 16 4957 12085
Muccia MC 16 915 13000
Serravalle di Chienti MC 17 1070 14070
Cerreto di Spoleto PG 17 1075 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 Km NE of Viterbo (67173 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 1.6
ML 0.7
2009-07-03
02:34:21
42.937 13.06 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 914179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-03 02:34:21 ± 0.04
Latitude 42.9370 ± 0.0009
Longitude 13.0600 ± 0.0012
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 914179

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 95
Semi-minor axis of confidence ellipse (meter) 29
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 141.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.13220
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 914179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:24:05

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 914179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:24:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
BA.PZUN.HHZ. 2009-07-03T02:34:33.52 10.0 undecidable manual Sg 0 0 0
IV.CESI.HHZ. 2009-07-03T02:34:27.21 0.1 undecidable manual Sg 301 14.6742 0.01 99
BA.PZUN.HHZ. 2009-07-03T02:34:26.37 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2009-07-03T02:34:26.53 0.1 undecidable manual Sg 159 12.2766 0.004 100
IV.FDMO.HHE. 2009-07-03T02:34:26.21 0.1 undecidable manual Sg 12 11.2776 -0.015 100
IV.FDMO.HHE. 2009-07-03T02:34:24.15 0.1 undecidable manual Pg 12 11.2776 0.025 100
IV.NRCA.HHE. 2009-07-03T02:34:24.29 0.1 undecidable manual Pg 159 12.2766 -0.009 100
IV.CESI.HHZ. 2009-07-03T02:34:24.67 0.1 undecidable manual Pg 301 14.6742 -0.018 99
IV.TERO.HHE. 2009-07-03T02:34:08.89 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2009-07-03T02:34:03.77 0.1 undecidable manual Pg 0 0 0
IV.SAN2.EHZ. 2009-07-03T02:34:02.01 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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