Earthquake with magnitude of ML 0.9 on date 22-02-2009 and time 21:25:34 (Italy) in region 2 km W Capitignano (AQ)

A magnitude ML 0.9 earthquake occured in region: 2 km W Capitignano (AQ), on

  • 22-02-2009 20:25:34 (UTC)
  • 22-02-2009 21:25:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5150, 13.2810 at 11 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
Capitignano AQ 2 665 665
Montereale AQ 3 2581 3246
Barete AQ 7 737 3983
Cagnano Amiterno AQ 8 1369 5352
Pizzoli AQ 9 4326 9678
Campotosto AQ 9 542 10220
Borbona RI 12 617 10837
Amatrice RI 13 2657 13494
Posta RI 15 694 14188
Cittareale RI 15 482 14670
Scoppito AQ 16 3727 18397
Crognaleto TE 17 1297 19694
Antrodoco RI 20 2588 22282
Micigliano RI 20 127 22409

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km SE of Perugia (166134 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 1.4
ML 0.9
2009-02-22
20:25:34
42.515 13.281 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 745799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-22 20:25:34 ± 0.16
Latitude 42.5150 ± 0.0180
Longitude 13.2810 ± 0.0256
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 745799

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2809
Semi-minor axis of confidence ellipse (meter) 650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 2900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 745799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:06:13

Md:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 745799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:06:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2009-02-22T20:25:47.38 0.3 undecidable manual Sg 339 37.9287 0.051 72
IV.LNSS.HHE. 2009-02-22T20:25:43.08 0.3 undecidable manual Sg 297 21.9669 0.002 75
IV.NRCA.HHE. 2009-02-22T20:25:41.90 0.3 undecidable manual Pg 339 37.9287 -0.099 71
IV.CAMP.HHZ. 2009-02-22T20:25:39.95 0.3 undecidable manual Sg 77 10.6782 -0.061 75
IV.LNSS.HHE. 2009-02-22T20:25:39.53 0.1 undecidable manual Pg 297 21.9669 -0.01 99
IV.CAMP.HHZ. 2009-02-22T20:25:37.84 0.1 undecidable manual Pg 77 10.6782 0.071 100
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