Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 05-07-2009 and time 01:52:02 (UTC) in region 2 km SW Cerreto di Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: 2 km SW Cerreto di Spoleto (PG), on

  • 05-07-2009 01:52:02 (UTC)
  • 05-07-2009 03:52:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8070, 12.9000 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.

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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
Cerreto di Spoleto PG 2 1075 1075
Vallo di Nera PG 5 364 1439
Sellano PG 10 1079 2518
Sant'Anatolia di Narco PG 10 564 3082
Campello sul Clitunno PG 10 2442 5524
Poggiodomo PG 11 117 5641
Scheggino PG 12 461 6102
Cascia PG 14 3217 9319
Preci PG 14 724 10043
Trevi PG 15 8469 18512
Spoleto PG 15 38218 56730
Norcia PG 16 4957 61687
Monteleone di Spoleto PG 18 599 62286
Castel Ritaldi PG 19 3278 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
68 Km W of Teramo (54892 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 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 2.0
ML 1.4 		2009-07-05
01:52:02		 42.807 12.9 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 916939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-05 01:52:02 ± 0.08
Latitude 42.8070 ± 0.0027
Longitude 12.9000 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 916939

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 323
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45056
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 916939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:27:27

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 916939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:27:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHN. 2009-07-05T01:52:26.54 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-07-05T01:52:23.82 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-07-05T01:52:21.28 10.0 undecidable manual Sg 0 0 0
IV.MNS.HHZ. 2009-07-05T01:52:18.61 0.1 undecidable manual Sg 201 50.0166 0.393 88
IV.SNTG.SHZ. 2009-07-05T01:52:18.68 0.1 undecidable manual Sg 4 49.8168 0.533 85
IV.MURB.HHN. 2009-07-05T01:52:15.22 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHE. 2009-07-05T01:52:13.37 0.1 undecidable manual Sg 323 32.6451 -0.199 95
IV.CESX.HHZ. 2009-07-05T01:52:13.82 0.1 undecidable manual Sg 230 34.0437 -0.114 96
IV.FDMO.HHN. 2009-07-05T01:52:12.50 0.1 undecidable manual Sg 31 29.6481 -0.272 94
IV.LNSS.HHZ. 2009-07-05T01:52:11.58 0.1 undecidable manual Sg 153 25.3524 -0.05 99
IV.MNS.HHZ. 2009-07-05T01:52:11.36 0.1 undecidable manual Pg 201 50.0166 -0.095 94
IV.SNTG.SHZ. 2009-07-05T01:52:11.52 0.1 undecidable manual Pg 4 49.8168 0.105 94
IV.CESI.HHZ. 2009-07-05T01:52:10.69 0.6 undecidable manual Sg 1 21.9669 0.063 50
IV.NRCA.HHZ. 2009-07-05T01:52:09.25 0.1 undecidable manual Sg 80 17.6712 -0.069 100
IV.ASSB.HHE. 2009-07-05T01:52:08.65 0.1 undecidable manual Pg 323 32.6451 -0.122 96
IV.CESX.HHZ. 2009-07-05T01:52:08.89 0.1 undecidable manual Pg 230 34.0437 -0.092 97
IV.FDMO.HHN. 2009-07-05T01:52:08.23 0.1 undecidable manual Pg 31 29.6481 -0.081 98
IV.CESI.HHZ. 2009-07-05T01:52:07.13 0.1 undecidable manual Pg 1 21.9669 0.057 99
IV.LNSS.HHZ. 2009-07-05T01:52:07.63 0.1 undecidable manual Pg 153 25.3524 -0.022 100
IV.NRCA.HHZ. 2009-07-05T01:52:06.40 0.1 undecidable manual Pg 80 17.6712 0.082 100
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