Earthquake with magnitude of ML 1.2 on date 07-05-2010 and time 09:31:16 (Italy) in region 4 km E Foligno (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km E Foligno (PG), on

  • 07-05-2010 07:31:16 (UTC)
  • 07-05-2010 09:31:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9390, 12.7490 at 20 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
Foligno PG 4 57155 57155
Trevi PG 7 8469 65624
Spello PG 9 8645 74269
Montefalco PG 9 5679 79948
Bevagna PG 11 5081 85029
Campello sul Clitunno PG 13 2442 87471
Valtopina PG 14 1398 88869
Castel Ritaldi PG 14 3278 92147
Cannara PG 15 4305 96452
Sellano PG 16 1079 97531
Gualdo Cattaneo PG 16 6155 103686
Giano dell'Umbria PG 18 3846 107532
Assisi PG 18 28299 135831
Cerreto di Spoleto PG 19 1075 136906
Nocera Umbra PG 20 5839 142745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km E of Foligno (57155 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
43 Km N of Terni (111501 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
84 Km W of Teramo (54892 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
98 Km SW of Ancona (100861 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 1.2
2010-05-07
07:31:16
42.939 12.749 20 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1047119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-05-07 07:31:16 ± 0.14
Latitude 42.9390 ± 0.0036
Longitude 12.7490 ± 0.0086
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1047119

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 599
Semi-minor axis of confidence ellipse (meter) 464
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 806.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1047119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:08:54

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1047119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:08:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHN. 2010-05-07T07:31:31.18 0.6 undecidable manual Sg 147 44.1225 -0.049 47
IV.NRCA.HHN. 2010-05-07T07:31:28.20 0.6 undecidable manual Sg 111 31.8459 0.073 48
IV.LNSS.HHN. 2010-05-07T07:31:25.13 0.3 undecidable manual Pg 147 44.1225 0.055 71
IV.CESI.HHZ. 2010-05-07T07:31:24.29 0.3 undecidable manual Sg 60 14.5743 -0.017 75
IV.NRCA.HHN. 2010-05-07T07:31:23.20 0.3 undecidable manual Pg 111 31.8459 -0.085 72
IV.CESI.HHZ. 2010-05-07T07:31:21.10 0.1 undecidable manual Pg 60 14.5743 0.021 100
IV.PRMA.HHN. 2010-05-07T07:31:10.60 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2010-05-07T07:30:55.09 10.0 undecidable manual Pg 0 0 0
IV.MPAZ.HHN. 2010-05-07T07:30:51.40 10.0 undecidable manual Pg 0 0 0
IV.FAEN.HHZ. 2010-05-07T07:30:43.13 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download