Earthquake with magnitude of ML 1.1 on date 30-03-2007 and time 06:03:41 (Italy) in region 4 km S Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km S Cerreto di Spoleto (PG), on

  • 30-03-2007 04:03:41 (UTC)
  • 30-03-2007 06:03:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7890, 12.9120 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 4 1075 1075
Vallo di Nera PG 5 364 1439
Poggiodomo PG 9 117 1556
Sant'Anatolia di Narco PG 9 564 2120
Scheggino PG 11 461 2581
Sellano PG 11 1079 3660
Cascia PG 11 3217 6877
Campello sul Clitunno PG 12 2442 9319
Preci PG 15 724 10043
Norcia PG 15 4957 15000
Spoleto PG 15 38218 53218
Monteleone di Spoleto PG 16 599 53817
Trevi PG 17 8469 62286
Castel Ritaldi PG 20 3278 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
33 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
92 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 1.5
ML 1.1
2007-03-30
04:03:41
42.789 12.912 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 621589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-03-30 04:03:41 ± 0.04
Latitude 42.7890 ± 0.0009
Longitude 12.9120 ± 0.0025
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 621589

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 263
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 223.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.15468
Epicentral distance of station farthest from the epicenter (degree) 0.21584
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 621589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:50:39

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 621589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:50:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.BHZ. 2007-03-30T04:03:49.19 0.1 undecidable manual Sg 153 23.0547 -0.014 50
IV.CESI.BHN. 2007-03-30T04:03:49.57 0.1 undecidable manual Sg 358 23.9538 0.048 49
IV.NRCA.SHZ. 2007-03-30T04:03:47.12 0.1 undecidable manual Sg 73 17.1717 -0.037 50
IV.LNSS.BHZ. 2007-03-30T04:03:45.82 0.1 undecidable manual Pg 153 23.0547 0.011 99
IV.CESI.BHN. 2007-03-30T04:03:45.95 0.1 undecidable manual Pg 358 23.9538 -0.042 99
IV.NRCA.SHZ. 2007-03-30T04:03:44.66 0.1 undecidable manual Pg 73 17.1717 0.033 100
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