Earthquake with magnitude of ML 0.3 on date 22-07-2007 and time 10:31:46 (UTC) in region 1 km SE Ussita (MC)

A magnitude ML 0.3 earthquake occured in region: 1 km SE Ussita (MC), on

  • 22-07-2007 10:31:46 (UTC)
  • 22-07-2007 12:31:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 13.1460 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
Ussita MC 1 444 444
Castelsantangelo sul Nera MC 5 281 725
Visso MC 5 1107 1832
Bolognola MC 9 142 1974
Acquacanina MC 11 121 2095
Preci PG 11 724 2819
Fiastra MC 11 559 3378
Fiordimonte MC 12 202 3580
Monte Cavallo MC 13 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 15 866 6049
Montemonaco AP 15 604 6653
Montefortino FM 16 1178 7831
Norcia PG 17 4957 12788
Sarnano MC 17 3264 16052
Amandola FM 18 3629 19681
Muccia MC 18 915 20596
Sellano PG 19 1079 21675
Montegallo AP 19 523 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
95 Km NW of Montesilvano (53738 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
ML 0.3
2007-07-22
10:31:46
42.937 13.146 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 642689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-22 10:31:46 ± 0.12
Latitude 42.9370 ± 0.0072
Longitude 13.1460 ± 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 642689

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1000
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45955
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 642689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:15

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 642689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.BHE. 2007-07-22T10:32:12.92 10.0 undecidable manual Sg 0 0 0
IV.TERO.HHE. 2007-07-22T10:32:02.99 0.1 undecidable manual Sg 133 51.0156 0.092 94
IV.PIEI.BHE. 2007-07-22T10:32:01.44 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHE. 2007-07-22T10:31:55.76 0.3 undecidable manual Pg 133 51.0156 -0.24 68
IV.CESI.BHZ. 2007-07-22T10:31:54.63 0.1 undecidable manual Sg 291 21.0678 -0.027 100
IV.CESI.BHZ. 2007-07-22T10:31:51.28 0.1 undecidable manual Pg 291 21.0678 0.038 100
IV.NRCA.SHZ. 2007-07-22T10:31:51.81 0.3 undecidable manual Sg 193 11.6772 -0.116 75
IV.NRCA.SHZ. 2007-07-22T10:31:49.83 0.1 negative manual Pg 193 11.6772 0.161 99
IV.CRAC.EHN. 2007-07-22T10:31:38.06 10.0 undecidable manual Sg 0 0 0
IV.ESLN.BHZ. 2007-07-22T10:31:34.15 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHN. 2007-07-22T10:31:34.50 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