Earthquake with magnitude of ML 1.0 on date 02-02-2009 and time 19:57:34 (Italy) in region 4 km SW Serravalle di Chienti (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Serravalle di Chienti (MC), on

  • 02-02-2009 18:57:34 (UTC)
  • 02-02-2009 19:57:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0450, 12.9260 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
Serravalle di Chienti MC 4 1070 1070
Monte Cavallo MC 8 145 1215
Pieve Torina MC 10 1458 2673
Muccia MC 11 915 3588
Sefro MC 12 422 4010
Pievebovigliana MC 13 866 4876
Nocera Umbra PG 13 5839 10715
Fiordimonte MC 13 202 10917
Valtopina PG 14 1398 12315
Camerino MC 15 6974 19289
Pioraco MC 16 1134 20423
Fiuminata MC 16 1402 21825
Sellano PG 17 1079 22904
Visso MC 18 1107 24011
Fiastra MC 19 559 24570

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
96 Km S of Pesaro (94582 inhabitants)
97 Km E of Arezzo (99543 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 1.5
ML 1.0
2009-02-02
18:57:34
43.045 12.926 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 741999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-02 18:57:34 ± 0.18
Latitude 43.0450 ± 0.0090
Longitude 12.9260 ± 0.0283
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 741999

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2368
Semi-minor axis of confidence ellipse (meter) 1000
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 2508.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 741999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:01:59

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 741999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:01:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2009-02-02T18:57:44.72 0.1 undecidable manual Sg 147 27.9498 0.033 96
IV.SNTG.SHZ. 2009-02-02T18:57:43.91 0.6 undecidable manual Sg 3 23.3544 0.587 43
IV.NRCA.HHE. 2009-02-02T18:57:40.35 0.1 undecidable manual Pg 147 27.9498 -0.036 96
IV.SNTG.SHZ. 2009-02-02T18:57:39.01 0.3 undecidable manual Pg 3 23.3544 -0.591 64
IV.CESI.HHE. 2009-02-02T18:57:38.31 0.1 undecidable manual Sg 202 4.7952 -0.044 100
IV.CESI.HHE. 2009-02-02T18:57:36.90 0.1 negative manual Pg 202 4.7952 0.165 98
IV.CSLB.SHZ. 2009-02-02T18:57:22.96 10.0 undecidable manual Pg 0 0 0
IV.PRMA.HHZ. 2009-02-02T18:57:09.60 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