Earthquake with magnitude of M 0.1 on date 28-04-2009 and time 21:11:45 (UTC) in region 5 km W Ocre (AQ)

A magnitude M 0.1 earthquake occured in region: 5 km W Ocre (AQ), on

  • 28-04-2009 21:11:45 (UTC)
  • 28-04-2009 23:11:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3020, 13.4200 at 1 km depth.

The earthquake was located by: Fonte esterna non nota.

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
Ocre AQ 5 1167 1167
Fossa AQ 6 721 1888
L'Aquila AQ 6 69753 71641
Lucoli AQ 7 1011 72652
Sant'Eusanio Forconese AQ 9 394 73046
Rocca di Cambio AQ 9 533 73579
Tornimparte AQ 10 3187 76766
Villa Sant'Angelo AQ 10 424 77190
Poggio Picenze AQ 10 1136 78326
San Demetrio ne' Vestini AQ 12 1854 80180
Rocca di Mezzo AQ 13 1526 81706
Fagnano Alto AQ 14 418 82124
Barisciano AQ 14 1828 83952
Scoppito AQ 16 3727 87679
Prata d'Ansidonia AQ 16 496 88175
Fontecchio AQ 17 369 88544
Pizzoli AQ 18 4326 92870
Santo Stefano di Sessanio AQ 19 111 92981
San Pio delle Camere AQ 20 661 93642
Borgorose RI 20 4591 98233

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km S of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
62 Km W of Chieti (51815 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
68 Km W of Pescara (121014 inhabitants)
70 Km E of Terni (111501 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
93 Km SE of Foligno (57155 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
M 0.1 2009-04-28
21:11:45
42.302 13.42 1 2014-10-15
07:39:12
Fonte esterna non nota 840399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-28 21:11:45
Latitude 42.3020
Longitude 13.4200
Depth (km) 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> UNKNOWN
Event type earthquake
Origin ID 840399

Uncertainty

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

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 4
RMS of the travel time residuals of the arrivals used for the origin computation (sec)
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.00000
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 2
Magnitude information

M:0.1

Field Value
Value 0.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 840399
Agency INGV
Autore Fonte esterna non nota
Time of creation (UTC) 2014-10-15 07:39:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZCCA.HHN. 2009-04-28T21:12:33.75 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-28T21:11:57.82 10.0 undecidable manual Sg 0 0 0
IV.NRCA.SHZ. 2009-04-28T21:11:53.47 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHZ. 2009-04-28T21:11:49.98 0.3 undecidable manual Sg 0 0 0
MN.AQU.HHZ. 2009-04-28T21:11:47.24 0.3 undecidable manual Sg 0 0 0
IV.FAGN.HHZ. 2009-04-28T21:11:47.83 0.3 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2009-04-28T21:11:46.07 0.1 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