Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-10-2008 and time 17:26:42 (UTC) in region 5 km SE Massa Martana (PG)

A magnitude ML 2.0 earthquake occured in region: 5 km SE Massa Martana (PG), on

  • 12-10-2008 17:26:42 (UTC)
  • 12-10-2008 19:26:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 12.5580 at 7 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 5 3770 3770
Acquasparta TR 6 4778 8548
Giano dell'Umbria PG 10 3846 12394
Montecastrilli TR 12 5022 17416
Castel Ritaldi PG 13 3278 20694
Todi PG 13 16851 37545
Avigliano Umbro TR 14 2558 40103
San Gemini TR 14 5018 45121
Spoleto PG 15 38218 83339
Gualdo Cattaneo PG 19 6155 89494
Montefalco PG 19 5679 95173
Collazzone PG 19 3473 98646
Campello sul Clitunno PG 20 2442 101088
Monte Castello di Vibio PG 20 1567 102655

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Terni (111501 inhabitants)
27 Km SW of Foligno (57155 inhabitants)
43 Km SE of Perugia (166134 inhabitants)
52 Km NE of Viterbo (67173 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
84 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
94 Km W of Teramo (54892 inhabitants)
95 Km N of Roma (2864731 inhabitants)
96 Km NE of Civitavecchia (52991 inhabitants)
97 Km SE of Arezzo (99543 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 2.5
ML 2.0 		2008-10-12
17:26:42		 42.744 12.558 7 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 722709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-10-12 17:26:42 ± 0.1
Latitude 42.7440 ± 0.0036
Longitude 12.5580 ± 0.0073
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 722709

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00634
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 722709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:40:32

Md:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 722709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:40:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHE. 2008-10-12T17:27:17.17 10.0 undecidable manual Sg 0 0 0
IV.SDI.SHZ. 2008-10-12T17:27:11.39 10.0 undecidable manual Pg 0 0 0
IV.AQU.SHZ. 2008-10-12T17:27:10.60 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2008-10-12T17:27:09.30 0.1 undecidable manual Sg 99 86.3469 0.433 85
IV.CRE.HHE. 2008-10-12T17:27:09.40 10.0 undecidable manual Pg 0 0 0
IV.CDCA.EHE. 2008-10-12T17:27:09.53 10.0 undecidable manual Pg 0 0 0
IV.SACR.HHE. 2008-10-12T17:27:08.36 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2008-10-12T17:27:08.44 0.6 undecidable manual Sg 36 87.0462 -0.606 40
IV.CAMP.HHN. 2008-10-12T17:27:05.54 0.1 undecidable manual Sg 108 73.1712 0.183 92
IV.FIAM.HHZ. 2008-10-12T17:27:04.92 0.1 undecidable manual Sg 139 69.8745 0.455 88
IV.PTQR.SHZ. 2008-10-12T17:27:04.61 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2008-10-12T17:27:03.68 0.6 undecidable manual Sg 29 64.5909 0.619 42
IV.VCEL.EHN. 2008-10-12T17:27:02.16 0.6 undecidable manual Pg 110 111.6993 0.505 40
IV.FSSB.SHZ. 2008-10-12T17:27:02.97 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHZ. 2008-10-12T17:27:01.08 0.6 undecidable manual Pg 346 103.6185 0.681 38
IV.MURB.HHZ. 2008-10-12T17:27:01.44 0.1 undecidable manual Sg 357 57.5979 0.25 94
IV.SACS.HHE. 2008-10-12T17:27:00.21 0.6 undecidable manual Sg 283 54.0015 -0.02 49
IV.FDMO.HHN. 2008-10-12T17:27:00.12 0.1 undecidable manual Sg 53 53.9016 -0.076 98
IV.FAGN.HHZ. 2008-10-12T17:27:00.61 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2008-10-12T17:26:58.64 0.1 undecidable manual Pg 359 87.8454 0.674 78
IV.CING.HHZ. 2008-10-12T17:26:58.11 1.0 undecidable manual Pg 36 87.0462 0.262 22
IV.BADI.EHZ. 2008-10-12T17:26:58.83 0.6 undecidable manual Pg 343 88.6446 0.738 38
IV.MTCE.HHZ. 2008-10-12T17:26:58.29 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2008-10-12T17:26:58.76 0.1 undecidable manual Pg 158 94.8384 -0.283 87
IV.NRCA.SHZ. 2008-10-12T17:26:58.26 0.3 undecidable manual Sg 77 46.4202 0.069 74
IV.LNSS.HHE. 2008-10-12T17:26:57.19 0.1 undecidable manual Sg 112 42.3243 0.069 100
IV.TERO.HHZ. 2008-10-12T17:26:57.34 0.1 undecidable manual Pg 99 86.3469 -0.404 86
IV.MNS.HHZ. 2008-10-12T17:26:56.47 0.1 undecidable manual Sg 166 41.0256 -0.303 95
IV.CESI.HHZ. 2008-10-12T17:26:56.51 0.1 undecidable manual Sg 44 40.4262 -0.083 100
IV.CAMP.HHN. 2008-10-12T17:26:55.49 0.1 undecidable manual Pg 108 73.1712 -0.228 91
IV.ASSB.HHZ. 2008-10-12T17:26:54.47 0.1 undecidable manual Sg 14 34.1436 -0.189 99
IV.SNTG.SHZ. 2008-10-12T17:26:54.30 1.0 undecidable manual Pg 29 64.5909 -0.09 24
IV.FIAM.HHZ. 2008-10-12T17:26:54.87 0.1 undecidable manual Pg 139 69.8745 -0.332 90
IV.MURB.HHZ. 2008-10-12T17:26:53.27 0.1 undecidable manual Pg 357 57.5979 -0.042 98
IV.SACS.HHE. 2008-10-12T17:26:52.53 0.1 undecidable manual Pg 283 54.0015 -0.226 95
IV.FDMO.HHN. 2008-10-12T17:26:52.55 0.1 undecidable manual Pg 53 53.9016 -0.187 96
IV.NRCA.SHZ. 2008-10-12T17:26:51.40 0.6 undecidable manual Pg 77 46.4202 -0.182 48
IV.MNS.HHZ. 2008-10-12T17:26:50.31 0.1 undecidable manual Pg 166 41.0256 -0.451 92
IV.CESI.HHZ. 2008-10-12T17:26:50.44 0.1 undecidable manual Pg 44 40.4262 -0.216 97
IV.LNSS.HHE. 2008-10-12T17:26:50.82 0.1 undecidable manual Pg 112 42.3243 -0.142 98
IV.ASSB.HHZ. 2008-10-12T17:26:49.29 0.1 undecidable manual Pg 14 34.1436 -0.25 98
IV.MGAB.HHE. 2008-10-12T17:26:49.49 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHZ. 2008-10-12T17:26:48.66 0.1 undecidable manual Sg 173 14.9739 0.305 100
IV.CESX.HHZ. 2008-10-12T17:26:46.24 0.1 undecidable manual Pg 173 14.9739 0.338 99
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