Earthquake with magnitude of ML 2.1 on date 07-04-2009 and time 07:00:01 (UTC) in region 2 km NW Ocre (AQ)

A magnitude ML 2.1 earthquake occured in region: 2 km NW Ocre (AQ), on

  • 07-04-2009 07:00:01 (UTC)
  • 07-04-2009 09:00:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2940, 13.4570 at 12 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
Ocre AQ 2 1167 1167
Fossa AQ 3 721 1888
Sant'Eusanio Forconese AQ 6 394 2282
Rocca di Cambio AQ 7 533 2815
Villa Sant'Angelo AQ 7 424 3239
Poggio Picenze AQ 8 1136 4375
L'Aquila AQ 8 69753 74128
San Demetrio ne' Vestini AQ 9 1854 75982
Lucoli AQ 10 1011 76993
Fagnano Alto AQ 11 418 77411
Rocca di Mezzo AQ 11 1526 78937
Barisciano AQ 12 1828 80765
Prata d'Ansidonia AQ 13 496 81261
Tornimparte AQ 13 3187 84448
Fontecchio AQ 14 369 84817
San Pio delle Camere AQ 16 661 85478
Santo Stefano di Sessanio AQ 17 111 85589
Tione degli Abruzzi AQ 18 310 85899
Caporciano AQ 18 230 86129
Ovindoli AQ 19 1227 87356
Scoppito AQ 19 3727 91083
Carapelle Calvisio AQ 19 87 91170
Castelvecchio Calvisio AQ 19 153 91323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
65 Km W of Pescara (121014 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
73 Km E of Terni (111501 inhabitants)
88 Km NE of Velletri (53303 inhabitants)
92 Km E of Roma (2864731 inhabitants)
96 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
ML 2.1 2009-04-07
07:00:01
42.294 13.457 12 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 765939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 07:00:01 ± 0.12
Latitude 42.2940 ± 0.0072
Longitude 13.4570 ± 0.0085
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 765939

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 667
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
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) 62
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60704
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 765939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:29:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHE. 2009-04-07T07:01:45.81 10.0 undecidable manual Sg 0 0 0
IV.CERA.HHN. 2009-04-07T07:01:40.13 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-07T07:01:40.08 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-04-07T07:01:39.27 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-07T07:01:35.49 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-07T07:01:30.95 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-07T07:00:16.64 0.3 undecidable manual Sg 164 49.0176 -0.504 65
IV.INTR.HHE. 2009-04-07T07:00:16.86 0.3 undecidable manual Sg 130 48.3183 -0.098 70
IV.TERO.HHZ. 2009-04-07T07:00:13.69 0.3 undecidable manual Sg 18 38.3283 -0.606 62
IV.VCEL.EHN. 2009-04-07T07:00:13.47 0.3 undecidable manual Sg 70 33.3444 0.518 67
IV.POFI.HHN. 2009-04-07T07:00:12.63 0.6 undecidable manual Pg 162 67.377 -0.763 38
IV.PTQR.SHZ. 2009-04-07T07:00:12.42 0.3 undecidable manual Sg 189 30.5472 0.207 71
IV.GUAR.HHN. 2009-04-07T07:00:12.15 0.6 undecidable manual Pg 192 56.6988 0.396 43
IV.FIAM.HHN. 2009-04-07T07:00:11.77 0.3 undecidable manual Sg 264 28.0497 0.225 71
IV.VVLD.HHE. 2009-04-07T07:00:10.42 0.3 undecidable manual Pg 164 49.0176 -0.153 70
IV.INTR.HHE. 2009-04-07T07:00:10.64 0.3 undecidable manual Pg 130 48.3183 0.176 70
IV.CERT.HHN. 2009-04-07T07:00:10.84 0.6 undecidable manual Pg 226 54.7008 -0.612 41
IV.VCEL.EHN. 2009-04-07T07:00:09.10 0.6 undecidable manual Pg 70 33.3444 0.947 38
IV.TERO.HHZ. 2009-04-07T07:00:08.97 0.3 undecidable manual Pg 18 38.3283 0.043 73
IV.FIAM.HHN. 2009-04-07T07:00:07.41 0.3 undecidable manual Pg 264 28.0497 0.07 73
IV.PTQR.SHZ. 2009-04-07T07:00:07.97 0.6 undecidable manual Pg 189 30.5472 0.245 47
IV.FAGN.HHZ. 2009-04-07T07:00:06.69 0.3 undecidable manual Sg 107 10.878 -0.339 72
.CAMP.---. 2009-04-07T07:00:06.93 0.1 undecidable manual Pg 352 27.0507 -0.259 94
MN.AQU.HHZ. 2009-04-07T07:00:06.24 0.1 undecidable manual Sg 326 7.9809 -0.175 100
IV.FAGN.HHZ. 2009-04-07T07:00:05.06 0.3 undecidable manual Pg 107 10.878 0.328 72
MN.AQU.HHZ. 2009-04-07T07:00:04.91 0.3 undecidable manual Pg 326 7.9809 0.532 68
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