Earthquake with magnitude of ML 0.7 on date 31-12-2010 and time 21:36:46 (Italy) in region 8 km E Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 8 km E Pietralunga (PG), on

  • 31-12-2010 20:36:46 (UTC)
  • 31-12-2010 21:36:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4410, 12.5310 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
Pietralunga PG 8 2111 2111
Cantiano PU 9 2245 4356
Gubbio PG 10 32216 36572
Scheggia e Pascelupo PG 12 1393 37965
Cagli PU 15 8731 46696
Apecchio PU 16 1882 48578
Piobbico PU 17 2029 50607
Costacciaro PG 17 1216 51823
Montone PG 19 1680 53503
Frontone PU 19 1300 54803

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
56 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
69 Km S of Rimini (147750 inhabitants)
81 Km S of Cesena (96758 inhabitants)
82 Km W of Ancona (100861 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
98 Km E of Siena (53903 inhabitants)
98 Km N of Terni (111501 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 1.3
ML 0.7
2010-12-31
20:36:46
43.441 12.531 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1155969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-31 20:36:46 ± 0.2
Latitude 43.4410 ± 0.0045
Longitude 12.5310 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1155969

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 414
Semi-minor axis of confidence ellipse (meter) 412
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 170
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18256
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1155969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:29:50

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1155969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:29:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHE. 2010-12-31T20:36:54.28 0.3 undecidable manual Sg 91 20.2686 0.086 73
IV.MURB.HHN. 2010-12-31T20:36:53.68 10.0 undecidable manual Pg 0 0 0
IV.ATVO.HHE. 2010-12-31T20:36:51.55 0.1 undecidable manual Sg 237 11.9769 -0.154 98
IV.PIEI.HHZ. 2010-12-31T20:36:51.18 0.1 undecidable manual Sg 2 10.4784 -0.139 98
IV.ATPC.HHZ. 2010-12-31T20:36:50.71 0.1 undecidable manual Sg 307 7.3815 0.146 98
IV.SSFR.HHE. 2010-12-31T20:36:50.88 0.1 undecidable manual Pg 91 20.2686 -0.05 98
IV.PIEI.HHZ. 2010-12-31T20:36:49.23 0.1 undecidable manual Pg 2 10.4784 -0.046 100
IV.ATVO.HHE. 2010-12-31T20:36:49.56 0.1 undecidable manual Pg 237 11.9769 0.07 99
IV.ATPC.HHZ. 2010-12-31T20:36:48.93 0.1 undecidable manual Pg 307 7.3815 0.093 100
IV.SAMA.HHE. 2010-12-31T20:36:29.60 10.0 undecidable manual Pg 0 0 0
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