Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 30-05-2009 and time 23:15:25 (UTC) in region 1 km SW Villa Sant'Angelo (AQ)

A magnitude ML 1.5 earthquake occured in region: 1 km SW Villa Sant'Angelo (AQ), on

  • 30-05-2009 23:15:25 (UTC)
  • 31-05-2009 01:15:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2630, 13.5260 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villa Sant'Angelo AQ 1 424 424
Sant'Eusanio Forconese AQ 3 394 818
San Demetrio ne' Vestini AQ 4 1854 2672
Rocca di Cambio AQ 4 533 3205
Fagnano Alto AQ 4 418 3623
Fossa AQ 5 721 4344
Ocre AQ 5 1167 5511
Rocca di Mezzo AQ 6 1526 7037
Poggio Picenze AQ 7 1136 8173
Prata d'Ansidonia AQ 7 496 8669
Fontecchio AQ 8 369 9038
Barisciano AQ 9 1828 10866
San Pio delle Camere AQ 11 661 11527
Tione degli Abruzzi AQ 11 310 11837
Caporciano AQ 12 230 12067
Santo Stefano di Sessanio AQ 13 111 12178
Carapelle Calvisio AQ 14 87 12265
Ovindoli AQ 14 1227 13492
L'Aquila AQ 14 69753 83245
Castelvecchio Calvisio AQ 15 153 83398
Calascio AQ 16 137 83535
Lucoli AQ 16 1011 84546
Navelli AQ 17 554 85100
Secinaro AQ 18 359 85459
Acciano AQ 19 327 85786
Tornimparte AQ 19 3187 88973
Celano AQ 20 11017 99990

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of L'Aquila (69753 inhabitants)
47 Km SW of Teramo (54892 inhabitants)
54 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
61 Km W of Pescara (121014 inhabitants)
69 Km E of Tivoli (56533 inhabitants)
72 Km E of Guidonia Montecelio (88673 inhabitants)
79 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
95 Km E of Roma (2864731 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 2.1
ML 1.5 		2009-05-30
23:15:25		 42.263 13.526 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 882919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-30 23:15:25 ± 0.07
Latitude 42.2630 ± 0.0045
Longitude 13.5260 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 882919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 608
Semi-minor axis of confidence ellipse (meter) 344
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64571
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 882919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:46:36

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 882919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:46:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNS.HHN. 2009-05-30T23:15:47.24 10.0 undecidable manual Sg 0 0 0
IV.LPEL.HHE. 2009-05-30T23:15:44.93 0.3 undecidable manual Sg 114 59.0964 0.644 59
IV.MNS.HHN. 2009-05-30T23:15:43.59 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-05-30T23:15:40.67 0.6 undecidable manual Sg 170 44.3223 0.324 44
IV.CERT.HHE. 2009-05-30T23:15:40.61 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-05-30T23:15:39.95 0.3 undecidable manual Sg 132 41.7249 0.29 67
IV.TERO.HHZ. 2009-05-30T23:15:39.08 0.3 undecidable manual Sg 9 40.4262 -0.227 68
IV.NRCA.HHZ. 2009-05-30T23:15:38.13 0.6 undecidable manual Pg 332 71.6727 -0.261 43
IV.FIAM.HHZ. 2009-05-30T23:15:37.55 0.6 undecidable manual Sg 271 33.6441 0.066 48
IV.SDI.SHZ. 2009-05-30T23:15:37.61 0.3 undecidable manual Pg 159 65.6898 0.148 66
IV.LPEL.HHE. 2009-05-30T23:15:36.89 0.3 undecidable manual Pg 114 59.0964 0.442 63
IV.CAMP.HHZ. 2009-05-30T23:15:36.54 0.6 undecidable manual Sg 342 31.746 -0.454 44
IV.LNSS.HHE. 2009-05-30T23:15:36.40 0.3 undecidable manual Pg 314 54.8007 0.606 60
IV.PTQR.SHZ. 2009-05-30T23:15:35.75 0.3 undecidable manual Sg 201 28.6491 -0.412 67
IV.GUAR.HHN. 2009-05-30T23:15:35.61 0.3 undecidable manual Pg 199 54.9006 -0.188 67
IV.T0102.HLN. 2009-05-30T23:15:34.79 0.3 undecidable manual Sg 311 22.8549 0.423 68
IV.TERO.HHZ. 2009-05-30T23:15:33.10 0.1 undecidable manual Pg 9 40.4262 -0.472 87
IV.INTR.HHZ. 2009-05-30T23:15:33.69 0.1 undecidable manual Pg 132 41.7249 -0.092 94
IV.VVLD.HHZ. 2009-05-30T23:15:33.97 0.3 undecidable manual Pg 170 44.3223 -0.206 68
IV.T0104.EHZ. 2009-05-30T23:15:33.33 0.3 undecidable manual Sg 305 18.87 0.244 71
IV.VCEL.EHZ. 2009-05-30T23:15:32.03 0.3 undecidable manual Pg 60 29.6481 0.124 71
IV.FIAM.HHZ. 2009-05-30T23:15:32.23 0.1 undecidable manual Pg 271 33.6441 -0.293 91
IV.CAMP.HHZ. 2009-05-30T23:15:32.25 0.3 undecidable manual Pg 342 31.746 0.012 73
MN.AQU.HHE. 2009-05-30T23:15:31.80 0.3 undecidable manual Sg 315 14.3745 0.047 74
IV.PTQR.SHZ. 2009-05-30T23:15:31.57 0.1 undecidable manual Pg 201 28.6491 -0.188 94
IV.T0104.EHZ. 2009-05-30T23:15:30.10 0.1 undecidable manual Pg 305 18.87 0.12 97
IV.T0102.HLN. 2009-05-30T23:15:30.86 0.3 undecidable manual Pg 311 22.8549 0.138 72
MN.AQU.HHE. 2009-05-30T23:15:29.30 0.3 undecidable manual Pg 315 14.3745 0.086 74
IV.FAGN.HHZ. 2009-05-30T23:15:28.92 0.3 undecidable manual Sg 86 4.6953 -0.553 67
IV.FAGN.HHZ. 2009-05-30T23:15:27.81 0.1 undecidable manual Pg 86 4.6953 -0.085 100
IV.ESLN.BHE. 2009-05-30T23:15:26.94 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