Earthquake with magnitude of ML 1.6 on date 11-12-2010 and time 15:14:53 (Italy) in region 7 km E Cerreto di Spoleto (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km E Cerreto di Spoleto (PG), on

  • 11-12-2010 14:14:53 (UTC)
  • 11-12-2010 15:14:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.0000 at 9 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 7 1075 1075
Norcia PG 8 4957 6032
Cascia PG 9 3217 9249
Preci PG 10 724 9973
Poggiodomo PG 11 117 10090
Vallo di Nera PG 12 364 10454
Sellano PG 12 1079 11533
Sant'Anatolia di Narco PG 15 564 12097
Visso MC 17 1107 13204
Scheggino PG 17 461 13665
Castelsantangelo sul Nera MC 17 281 13946
Monteleone di Spoleto PG 17 599 14545
Campello sul Clitunno PG 18 2442 16987
Ussita MC 20 444 17431

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
60 Km W of Teramo (54892 inhabitants)
61 Km SE of Perugia (166134 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
99 Km W of Montesilvano (53738 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 1.6
ML 1.6
2010-12-11
14:14:53
42.798 13 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1150989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-11 14:14:53 ± 0.05
Latitude 42.7980 ± 0.0018
Longitude 13.0000 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1150989

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 418
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 538.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.45865
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 1150989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:23:12

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1150989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:23:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHE. 2010-12-11T14:15:09.78 0.6 undecidable manual Sg 355 50.9157 0.034 47
IV.SNTG.HHE. 2010-12-11T14:15:02.68 0.3 undecidable manual Pg 355 50.9157 -0.107 69
IV.CESI.HHZ. 2010-12-11T14:15:02.19 0.1 undecidable manual Sg 341 24.1536 -0.056 98
IV.LNSS.HHN. 2010-12-11T14:15:01.47 0.1 undecidable manual Sg 171 21.9669 -0.055 98
IV.LNSS.HHN. 2010-12-11T14:14:58.08 0.1 undecidable manual Pg 171 21.9669 0.039 99
IV.CESI.HHZ. 2010-12-11T14:14:58.54 0.1 undecidable manual Pg 341 24.1536 0.083 98
IV.NRCA.HHZ. 2010-12-11T14:14:57.91 0.1 undecidable manual Sg 67 10.0788 -0.079 100
IV.NRCA.HHZ. 2010-12-11T14:14:56.14 0.1 undecidable manual Pg 67 10.0788 0.143 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