Earthquake with magnitude of ML 1.8 on date 07-02-2009 and time 00:34:14 (Italy) in region 2 km SW Campotosto (AQ)

A magnitude ML 1.8 earthquake occured in region: 2 km SW Campotosto (AQ), on

  • 06-02-2009 23:34:14 (UTC)
  • 07-02-2009 00:34:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5410, 13.3580 at 14 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
Campotosto AQ 2 542 542
Capitignano AQ 5 665 1207
Montereale AQ 9 2581 3788
Crognaleto TE 10 1297 5085
Amatrice RI 11 2657 7742
Barete AQ 12 737 8479
Pizzoli AQ 13 4326 12805
Cagnano Amiterno AQ 14 1369 14174
Fano Adriano TE 15 296 14470
Cortino TE 15 656 15126
Pietracamela TE 16 271 15397
Cittareale RI 18 482 15879
Borbona RI 19 617 16496
Accumoli RI 19 667 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
71 Km W of Pescara (121014 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
79 Km NE of Guidonia Montecelio (88673 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
ML 1.8 2009-02-06
23:34:14
42.541 13.358 14 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-06 23:34:14 ± 0.11
Latitude 42.5410 ± 0.0054
Longitude 13.3580 ± 0.0098
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742639

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 924
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 742639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.SHZ. 2009-02-06T23:34:27.05 0.3 undecidable manual Sg 329 38.0286 -0.06 72
IV.FAGN.HHE. 2009-02-06T23:34:26.64 0.6 undecidable manual Sg 149 35.742 0.147 47
IV.LNSS.HHE. 2009-02-06T23:34:24.33 0.3 undecidable manual Sg 285 26.8509 0.174 71
MN.AQU.HHZ. 2009-02-06T23:34:22.52 0.3 undecidable manual Sg 170 21.0678 -0.143 71
IV.FAGN.HHE. 2009-02-06T23:34:21.51 0.3 undecidable manual Pg 149 35.742 0.103 71
IV.NRCA.SHZ. 2009-02-06T23:34:21.62 0.1 undecidable manual Pg 329 38.0286 -0.142 94
IV.LNSS.HHE. 2009-02-06T23:34:20.03 0.1 undecidable manual Pg 285 26.8509 -0.023 98
IV.ZCCA.HHZ. 2009-02-06T23:34:20.80 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2009-02-06T23:34:19.13 0.3 undecidable manual Pg 170 21.0678 -0.062 73
IV.CAMP.HHZ. 2009-02-06T23:34:19.27 0.3 undecidable manual Sg 98 4.1958 0.002 76
IV.CAMP.HHZ. 2009-02-06T23:34:17.32 0.1 undecidable manual Pg 98 4.1958 0.085 100
IV.PTQR.SHZ. 2009-02-06T23:34:08.43 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHE. 2009-02-06T23:33:55.77 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHZ. 2009-02-06T23:33:55.56 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