Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 14-11-2006 and time 08:50:39 (Italy) in region 1 km E Massa Martana (PG)

A magnitude ML 2.1 earthquake occured in region: 1 km E Massa Martana (PG), on

  • 14-11-2006 07:50:39 (UTC)
  • 14-11-2006 08:50:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7780, 12.5320 at 2 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 7 3846 7616
Acquasparta TR 10 4778 12394
Todi PG 10 16851 29245
Castel Ritaldi PG 13 3278 32523
Montecastrilli TR 15 5022 37545
Gualdo Cattaneo PG 15 6155 43700
Collazzone PG 15 3473 47173
Avigliano Umbro TR 16 2558 49731
Fratta Todina PG 16 1839 51570
Monte Castello di Vibio PG 16 1567 53137
Montefalco PG 16 5679 58816
Spoleto PG 18 38218 97034
San Gemini TR 18 5018 102052
Bevagna PG 19 5081 107133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Foligno (57155 inhabitants)
26 Km NW of Terni (111501 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
53 Km NE of Viterbo (67173 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
97 Km W of Teramo (54892 inhabitants)
97 Km NE of Civitavecchia (52991 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 2.4
ML 2.1 		2006-11-14
07:50:39		 42.778 12.532 2 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 601649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-11-14 07:50:39 ± 0.19
Latitude 42.7780 ± 0.0099
Longitude 12.5320 ± 0.0147
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 601649

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1263
Semi-minor axis of confidence ellipse (meter) 947
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 1627.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.76
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94159
Number of stations at which the event was observed 12
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 601649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:29:36

Md:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 601649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:29:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHN. 2006-11-14T07:51:07.10 0.1 undecidable manual Sg 39 85.3479 0.406 42
IV.SFI.SHZ. 2006-11-14T07:51:04.03 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHZ. 2006-11-14T07:51:04.06 0.3 undecidable manual Sg 140 74.0703 0.391 33
IV.SNTG.SHZ. 2006-11-14T07:51:00.86 0.3 undecidable manual Sg 32 62.493 0.28 34
IV.CRE.SHZ. 2006-11-14T07:50:59.13 0.3 undecidable manual Pg 333 104.5176 0.997 49
IV.FSSB.BHE. 2006-11-14T07:50:59.58 0.1 undecidable manual Pg 11 103.5186 1.601 47
IV.SACS.HHE. 2006-11-14T07:50:57.56 0.3 undecidable manual Sg 279 51.3153 0.275 35
IV.FAGN.BHE. 2006-11-14T07:50:57.49 0.3 undecidable manual Pg 123 103.0191 -0.421 61
IV.MURB.HHZ. 2006-11-14T07:50:56.56 0.3 undecidable manual Sg 359 53.8017 -1.617 19
IV.CING.HHN. 2006-11-14T07:50:55.40 0.1 undecidable manual Pg 39 85.3479 0.211 88
IV.LNSS.BHE. 2006-11-14T07:50:55.63 0.1 undecidable manual Sg 115 45.7209 0.268 47
IV.FIAM.HHZ. 2006-11-14T07:50:53.11 0.1 undecidable manual Pg 140 74.0703 -0.334 88
IV.ASS.SHZ. 2006-11-14T07:50:51.01 0.1 undecidable manual Sg 17 33.1446 0.019 51
IV.SNTG.SHZ. 2006-11-14T07:50:51.07 0.1 undecidable manual Pg 32 62.493 -0.589 84
IV.MURB.HHZ. 2006-11-14T07:50:49.49 0.1 undecidable manual Pg 359 53.8017 -0.783 79
IV.SACS.HHE. 2006-11-14T07:50:49.63 0.1 undecidable manual Pg 279 51.3153 -0.127 96
IV.LNSS.BHE. 2006-11-14T07:50:48.61 0.1 undecidable manual Pg 115 45.7209 -0.039 99
IV.ASS.SHZ. 2006-11-14T07:50:46.20 0.1 undecidable manual Pg 17 33.1446 0.075 100
IV.MNS.BHZ. 2006-11-14T07:50:38.63 10.0 undecidable manual Sg 0 0 0
IV.MNS.BHZ. 2006-11-14T07:50:31.55 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