Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 08-11-2009 and time 11:06:38 (Italy) in region 3 km S Giano dell'Umbria (PG)

A magnitude ML 2.1 earthquake occured in region: 3 km S Giano dell'Umbria (PG), on

  • 08-11-2009 10:06:38 (UTC)
  • 08-11-2009 11:06:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 12.5760 at 5 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
Giano dell'Umbria PG 3 3846 3846
Massa Martana PG 5 3770 7616
Castel Ritaldi PG 8 3278 10894
Gualdo Cattaneo PG 12 6155 17049
Montefalco PG 12 5679 22728
Acquasparta TR 13 4778 27506
Todi PG 14 16851 44357
Bevagna PG 15 5081 49438
Collazzone PG 15 3473 52911
Spoleto PG 16 38218 91129
Trevi PG 16 8469 99598
Campello sul Clitunno PG 17 2442 102040
Fratta Todina PG 18 1839 103879
Monte Castello di Vibio PG 19 1567 105446
Montecastrilli TR 19 5022 110468
Foligno PG 20 57155 167623

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Foligno (57155 inhabitants)
28 Km N of Terni (111501 inhabitants)
37 Km SE of Perugia (166134 inhabitants)
58 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
94 Km W of Teramo (54892 inhabitants)
95 Km N of Tivoli (56533 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 2.1 		2009-11-08
10:06:38		 42.806 12.576 5 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 987299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-11-08 10:06:38 ± 0.1
Latitude 42.8060 ± 0.0045
Longitude 12.5760 ± 0.0061
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 987299

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 524
Semi-minor axis of confidence ellipse (meter) 355
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
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) 109
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61154
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 987299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:53:56

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 987299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:53:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR4.BHN. 2009-11-08T10:07:27.02 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHN. 2009-11-08T10:07:24.84 10.0 undecidable manual Pg 0 0 0
BA.PZUN.HHN. 2009-11-08T10:07:20.43 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHE. 2009-11-08T10:07:11.32 10.0 undecidable manual Sg 0 0 0
IV.RMP.HHE. 2009-11-08T10:07:09.67 10.0 undecidable manual Pg 0 0 0
IV.CORL.HHE. 2009-11-08T10:07:08.10 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-11-08T10:07:06.32 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHN. 2009-11-08T10:07:06.17 10.0 undecidable manual Pg 0 0 0
IV.CDCA.EHN. 2009-11-08T10:07:05.88 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2009-11-08T10:07:04.61 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-11-08T10:07:02.72 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHN. 2009-11-08T10:07:01.58 0.6 undecidable manual Sg 65 67.8765 0.694 39
IV.SMA1.EHN. 2009-11-08T10:07:00.67 0.3 undecidable manual Sg 107 64.8906 0.599 61
IV.FSSB.HHE. 2009-11-08T10:06:59.65 10.0 undecidable manual Pg 0 0 0
IV.RM29.EHE. 2009-11-08T10:06:58.22 0.3 undecidable manual Sg 118 57.8976 0.013 72
IV.SNTG.SHZ. 2009-11-08T10:06:58.30 0.6 undecidable manual Sg 31 57.8976 0.083 47
IV.MURB.HHN. 2009-11-08T10:06:56.79 0.3 undecidable manual Sg 355 50.8158 0.449 66
IV.FDMO.HHE. 2009-11-08T10:06:55.33 0.3 undecidable manual Sg 58 48.7179 -0.446 66
IV.NRCA.HHZ. 2009-11-08T10:06:54.10 0.3 undecidable manual Sg 86 43.8228 -0.159 71
IV.MGAB.HHN. 2009-11-08T10:06:53.05 0.6 undecidable manual Sg 288 39.5271 0.277 47
IV.SMA1.EHN. 2009-11-08T10:06:51.13 0.1 undecidable manual Pg 107 64.8906 -0.013 94
IV.CESI.HHZ. 2009-11-08T10:06:51.38 0.3 undecidable manual Sg 50 34.6431 0.308 70
IV.GUMA.HHN. 2009-11-08T10:06:51.75 0.3 undecidable manual Pg 65 67.8765 0.14 68
IV.RM29.EHE. 2009-11-08T10:06:49.67 0.3 undecidable manual Pg 118 57.8976 -0.392 66
IV.SNTG.SHZ. 2009-11-08T10:06:49.81 0.3 undecidable manual Pg 31 57.8976 -0.263 68
IV.FDMO.HHE. 2009-11-08T10:06:48.28 0.1 undecidable manual Pg 58 48.7179 -0.379 90
IV.MURB.HHN. 2009-11-08T10:06:48.65 0.1 undecidable manual Pg 355 50.8158 -0.338 90
IV.NRCA.HHZ. 2009-11-08T10:06:47.54 0.1 undecidable manual Pg 86 43.8228 -0.247 93
IV.T0107.HLN. 2009-11-08T10:06:47.54 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHN. 2009-11-08T10:06:46.78 0.3 undecidable manual Pg 288 39.5271 -0.147 72
IV.CESX.HHN. 2009-11-08T10:06:46.81 0.3 undecidable manual Sg 179 21.7671 0.128 75
IV.CESI.HHZ. 2009-11-08T10:06:46.20 0.1 undecidable manual Pg 50 34.6431 0.255 95
IV.CESX.HHN. 2009-11-08T10:06:43.51 0.1 undecidable manual Pg 179 21.7671 0.102 100
IV.PARC.HHZ. 2009-11-08T10:06:38.09 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
Waveforms Seismic signals in miniseed + resp format Download