Earthquake with magnitude of ML 1.4 on date 13-08-2007 and time 01:03:47 (Italy) in region 3 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: 3 km SE Cerreto di Spoleto (PG), on

  • 12-08-2007 23:03:47 (UTC)
  • 13-08-2007 01:03:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 12.9390 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.

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 3 1075 1075
Vallo di Nera PG 7 364 1439
Poggiodomo PG 9 117 1556
Cascia PG 11 3217 4773
Sellano PG 11 1079 5852
Sant'Anatolia di Narco PG 11 564 6416
Preci PG 12 724 7140
Norcia PG 13 4957 12097
Scheggino PG 13 461 12558
Campello sul Clitunno PG 13 2442 15000
Monteleone di Spoleto PG 16 599 15599
Spoleto PG 18 38218 53817
Trevi PG 18 8469 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 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 1.8
ML 1.4
2007-08-12
23:03:47
42.796 12.939 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 646449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-08-12 23:03:47 ± 0.34
Latitude 42.7960 ± 0.0144
Longitude 12.9390 ± 0.0196
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 646449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2310
Semi-minor axis of confidence ellipse (meter) 644
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 2262.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45146
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 646449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:17:18

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 646449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:17:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNS.BHZ. 2007-08-12T23:04:04.24 0.1 undecidable manual Sg 205 50.1165 -0.165 47
IV.MNS.BHZ. 2007-08-12T23:03:56.93 0.1 undecidable manual Pg 205 50.1165 -0.121 95
IV.LNSS.BHN. 2007-08-12T23:03:54.89 0.1 undecidable manual Sg 159 22.9548 -0.094 50
IV.CDCA.SHE. 2007-08-12T23:03:53.04 10.0 undecidable manual Pg 0 0 0
IV.LNSS.BHN. 2007-08-12T23:03:51.88 0.1 undecidable manual Pg 159 22.9548 0.273 97
IV.NRCA.SHZ. 2007-08-12T23:03:51.78 0.1 undecidable manual Sg 74 14.874 -0.43 47
IV.NRCA.SHZ. 2007-08-12T23:03:50.18 0.1 undecidable manual Pg 74 14.874 0.171 100
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