Earthquake with magnitude of ML 1.1 on date 31-05-2009 and time 05:13:30 (Italy) in region 3 km W Lanuvio (RM)

A magnitude ML 1.1 earthquake occured in region: 3 km W Lanuvio (RM), on

  • 31-05-2009 03:13:30 (UTC)
  • 31-05-2009 05:13:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6800, 12.6680 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lanuvio RM 3 13632 13632
Genzano di Roma RM 4 23970 37602
Ariccia RM 5 19407 57009
Albano Laziale RM 6 41715 98724
Nemi RM 6 1943 100667
Castel Gandolfo RM 8 8997 109664
Velletri RM 9 53303 162967
Aprilia LT 10 73446 236413
Rocca di Papa RM 10 17034 253447
Marino RM 10 43026 296473
Grottaferrata RM 12 20327 316800
Ardea RM 13 49183 365983
Pomezia RM 14 62966 428949
Frascati RM 14 22087 451036
Lariano RM 15 13432 464468
Ciampino RM 15 38412 502880
Rocca Priora RM 15 11962 514842
Monte Compatri RM 16 11978 526820
Monte Porzio Catone RM 16 8693 535513
Cisterna di Latina LT 17 36868 572381
Colonna RM 19 4287 576668
San Cesareo RM 19 15153 591821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Velletri (53303 inhabitants)
10 Km N of Aprilia (73446 inhabitants)
14 Km E of Pomezia (62966 inhabitants)
26 Km N of Anzio (54211 inhabitants)
28 Km SE of Roma (2864731 inhabitants)
31 Km NW of Latina (125985 inhabitants)
34 Km SW of Tivoli (56533 inhabitants)
36 Km S of Guidonia Montecelio (88673 inhabitants)
37 Km E of Fiumicino (78395 inhabitants)
86 Km SE of Civitavecchia (52991 inhabitants)
94 Km SE of Viterbo (67173 inhabitants)
96 Km SW of L'Aquila (69753 inhabitants)
98 Km S of Terni (111501 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 1.7
ML 1.1
2009-05-31
03:13:30
41.68 12.668 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 883119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-31 03:13:30 ± 0.32
Latitude 41.6800 ± 0.0090
Longitude 12.6680 ± 0.0253
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 883119

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2106
Semi-minor axis of confidence ellipse (meter) 993
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 2325.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 262
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49373
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 883119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:46:50

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 883119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:46:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.GUAR.HHE. 2009-05-31T03:13:47.97 0.3 undecidable manual Sg 76 54.8007 0.096 69
.CERT.HHN. 2009-05-31T03:13:43.83 0.6 undecidable manual Sg 41 39.5271 0.025 48
.GUAR.HHE. 2009-05-31T03:13:40.37 0.3 undecidable manual Pg 76 54.8007 -0.224 67
IV.FAGN.HHE. 2009-05-31T03:13:39.04 10.0 undecidable manual Pg 0 0 0
.CERT.HHN. 2009-05-31T03:13:37.96 0.3 undecidable manual Pg 41 39.5271 -0.285 68
IV.RMP.HHZ. 2009-05-31T03:13:37.02 0.1 undecidable manual Sg 11 14.874 0.065 99
IV.RDP.HHZ. 2009-05-31T03:13:35.46 0.1 undecidable manual Sg 25 9.5793 -0.116 99
IV.MA9.HHE. 2009-05-31T03:13:35.37 0.3 undecidable manual Sg 356 10.0788 -0.318 71
IV.LAV9.SHZ. 2009-05-31T03:13:34.24 0.1 undecidable manual Sg 94 2.4975 -0.14 100
IV.RMP.HHZ. 2009-05-31T03:13:34.97 0.3 undecidable manual Pg 11 14.874 0.68 63
MN.AQU.HHZ. 2009-05-31T03:13:33.06 10.0 undecidable manual Pg 0 0 0
IV.RDP.HHZ. 2009-05-31T03:13:33.81 0.1 undecidable manual Pg 25 9.5793 0.316 95
IV.MA9.HHE. 2009-05-31T03:13:33.19 0.6 undecidable manual Pg 356 10.0788 -0.368 47
IV.T0106.HLZ. 2009-05-31T03:13:33.34 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2009-05-31T03:13:32.93 0.1 undecidable manual Pg 94 2.4975 0.127 100
IV.T0104.EHZ. 2009-05-31T03:13:32.93 10.0 undecidable manual Pg 0 0 0
IV.T0101.HLE. 2009-05-31T03:13:32.68 10.0 undecidable manual Pg 0 0 0
IV.T0102.HLE. 2009-05-31T03:13:27.23 10.0 undecidable manual Pg 0 0 0
IV.MNO.SHE. 2009-05-31T03:13:20.94 10.0 undecidable manual Sg 0 0 0
IV.MNO.SHE. 2009-05-31T03:13:17.39 10.0 undecidable manual Pg 0 0 0
GU.FINB.HHE. 2009-05-31T03:13:17.68 10.0 undecidable manual Pg 0 0 0
IV.PE9.EHZ. 2009-05-31T03:13:10.59 10.0 undecidable manual Pg 0 0 0
IV.ESLN.BHN. 2009-05-31T03:13:07.17 10.0 undecidable manual Pg 0 0 0
NI.SABO.HHN. 2009-05-31T03:12:54.79 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download