Earthquake with magnitude of ML 1.3 on date 11-05-2009 and time 22:55:24 (Italy) in region 1 km SE Ocre (AQ)

A magnitude ML 1.3 earthquake occured in region: 1 km SE Ocre (AQ), on

  • 11-05-2009 20:55:24 (UTC)
  • 11-05-2009 22:55:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2780, 13.4780 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
Ocre AQ 1 1167 1167
Fossa AQ 2 721 1888
Sant'Eusanio Forconese AQ 4 394 2282
Rocca di Cambio AQ 5 533 2815
Villa Sant'Angelo AQ 5 424 3239
San Demetrio ne' Vestini AQ 7 1854 5093
Poggio Picenze AQ 7 1136 6229
Rocca di Mezzo AQ 8 1526 7755
Fagnano Alto AQ 9 418 8173
L'Aquila AQ 11 69753 77926
Prata d'Ansidonia AQ 11 496 78422
Barisciano AQ 11 1828 80250
Lucoli AQ 12 1011 81261
Fontecchio AQ 12 369 81630
Tornimparte AQ 15 3187 84817
San Pio delle Camere AQ 15 661 85478
Tione degli Abruzzi AQ 15 310 85788
Santo Stefano di Sessanio AQ 16 111 85899
Caporciano AQ 16 230 86129
Ovindoli AQ 16 1227 87356
Carapelle Calvisio AQ 17 87 87443
Castelvecchio Calvisio AQ 18 153 87596
Calascio AQ 19 137 87733
Massa d'Albe AQ 20 1476 89209

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
69 Km E of Guidonia Montecelio (88673 inhabitants)
75 Km E of Terni (111501 inhabitants)
88 Km NE of Velletri (53303 inhabitants)
92 Km E of Roma (2864731 inhabitants)
99 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
Md 1.9
ML 1.3
2009-05-11
20:55:24
42.278 13.478 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 861869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-11 20:55:24 ± 0.04
Latitude 42.2780 ± 0.0027
Longitude 13.4780 ± 0.0036
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 861869

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 424.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61693
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 861869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:21:35

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 861869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:21:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SDI.SHZ. 2009-05-11T20:55:47.24 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-05-11T20:55:42.45 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2009-05-11T20:55:39.52 0.3 undecidable manual Sg 130 45.9207 0.14 69
IV.VVLD.HHZ. 2009-05-11T20:55:39.54 0.3 undecidable manual Sg 165 46.8198 -0.097 70
IV.TERO.HHN. 2009-05-11T20:55:37.36 0.6 undecidable manual Sg 15 39.627 -0.358 44
IV.NRCA.HHE. 2009-05-11T20:55:36.75 0.6 undecidable manual Pg 334 68.4759 0.136 44
IV.VCEL.EHN. 2009-05-11T20:55:36.15 0.6 undecidable manual Sg 66 32.4453 0.349 45
IV.FIAM.HHZ. 2009-05-11T20:55:35.01 0.6 undecidable manual Sg 268 29.6481 -0.03 48
IV.PTQR.SHZ. 2009-05-11T20:55:34.77 0.3 undecidable manual Sg 193 29.0487 -0.123 71
IV.CAMP.HHZ. 2009-05-11T20:55:34.76 0.3 undecidable manual Sg 349 29.1486 -0.163 71
IV.VVLD.HHZ. 2009-05-11T20:55:33.19 0.3 undecidable manual Pg 165 46.8198 -0.098 70
IV.INTR.HHE. 2009-05-11T20:55:33.16 0.3 undecidable manual Pg 130 45.9207 0.017 71
IV.VCEL.EHN. 2009-05-11T20:55:31.21 0.1 undecidable manual Pg 66 32.4453 0.141 94
IV.TERO.HHN. 2009-05-11T20:55:31.96 0.1 undecidable manual Pg 15 39.627 -0.217 92
IV.FIAM.HHZ. 2009-05-11T20:55:30.74 0.1 undecidable manual Pg 268 29.6481 0.112 95
IV.PTQR.SHZ. 2009-05-11T20:55:30.54 0.1 undecidable manual Pg 193 29.0487 -0.01 97
IV.CAMP.HHZ. 2009-05-11T20:55:30.67 0.1 undecidable manual Pg 349 29.1486 0.109 95
IV.T0104.EHZ. 2009-05-11T20:55:30.81 0.3 undecidable manual Sg 309 14.5743 -0.099 74
IV.FAGN.HHZ. 2009-05-11T20:55:29.21 0.6 undecidable manual Sg 99 8.7801 -0.229 48
MN.AQU.HHZ. 2009-05-11T20:55:29.80 0.3 undecidable manual Sg 324 10.4784 -0.027 75
IV.T0104.EHZ. 2009-05-11T20:55:28.45 0.1 undecidable manual Pg 309 14.5743 0.205 96
MN.AQU.HHZ. 2009-05-11T20:55:27.70 0.1 undecidable manual Pg 324 10.4784 0.083 99
IV.FAGN.HHZ. 2009-05-11T20:55:27.34 0.1 undecidable manual Pg 99 8.7801 -0.054 100
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