Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 07-06-2009 and time 10:36:11 (UTC) in region 1 km W Massa Martana (PG)

A magnitude ML 1.5 earthquake occured in region: 1 km W Massa Martana (PG), on

  • 07-06-2009 10:36:11 (UTC)
  • 07-06-2009 12:36:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7780, 12.5140 at 8 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
Massa Martana PG 1 3770 3770
Giano dell'Umbria PG 8 3846 7616
Todi PG 9 16851 24467
Acquasparta TR 10 4778 29245
Castel Ritaldi PG 14 3278 32523
Montecastrilli TR 14 5022 37545
Collazzone PG 14 3473 41018
Monte Castello di Vibio PG 15 1567 42585
Fratta Todina PG 15 1839 44424
Gualdo Cattaneo PG 15 6155 50579
Avigliano Umbro TR 15 2558 53137
Montefalco PG 17 5679 58816
San Gemini TR 18 5018 63834
Spoleto PG 19 38218 102052
Bevagna PG 19 5081 107133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Foligno (57155 inhabitants)
26 Km NW of Terni (111501 inhabitants)
38 Km S of Perugia (166134 inhabitants)
52 Km NE of Viterbo (67173 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
96 Km NE of Civitavecchia (52991 inhabitants)
98 Km W of Teramo (54892 inhabitants)
98 Km N 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 1.9
ML 1.5 		2009-06-07
10:36:11		 42.778 12.514 8 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 889289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-06-07 10:36:11 ± 0.11
Latitude 42.7780 ± 0.0045
Longitude 12.5140 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 889289

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 453
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
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) 131
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42448
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 889289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:54:10

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 889289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:54:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHE. 2009-06-07T10:36:39.88 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-06-07T10:36:38.40 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-06-07T10:36:27.21 0.1 undecidable manual Sg 163 45.621 0.22 92
IV.LNSS.HHN. 2009-06-07T10:36:27.29 0.3 undecidable manual Sg 114 47.1195 -0.093 71
IV.CESI.HHE. 2009-06-07T10:36:25.56 0.1 undecidable manual Sg 51 40.5261 -0.063 96
IV.MGAB.HHN. 2009-06-07T10:36:24.45 0.1 undecidable manual Sg 295 35.9418 0.044 97
IV.MNS.HHZ. 2009-06-07T10:36:20.27 0.1 undecidable manual Pg 163 45.621 -0.253 91
IV.LNSS.HHN. 2009-06-07T10:36:20.65 0.1 undecidable manual Pg 114 47.1195 -0.101 94
IV.CESI.HHE. 2009-06-07T10:36:20.00 0.1 undecidable manual Pg 51 40.5261 0.267 92
IV.MGAB.HHN. 2009-06-07T10:36:18.88 0.3 undecidable manual Pg 295 35.9418 -0.151 71
IV.CESX.HHE. 2009-06-07T10:36:18.94 0.1 undecidable manual Sg 164 19.3695 -0.037 100
IV.CESX.HHE. 2009-06-07T10:36:16.00 0.1 undecidable manual Pg 164 19.3695 0.103 99
IV.CRAC.EHZ. 2009-06-07T10:36:06.73 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