Earthquake with magnitude of ML 1.5 on date 09-04-2010 and time 10:14:24 (Italy) in region 6 km NE Acquapendente (VT)

A magnitude ML 1.5 earthquake occured in region: 6 km NE Acquapendente (VT), on

  • 09-04-2010 08:14:24 (UTC)
  • 09-04-2010 10:14:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 11.9120 at 19 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
Acquapendente VT 6 5506 5506
Allerona TR 6 1794 7300
Proceno VT 7 557 7857
Castel Viscardo TR 8 2938 10795
Castel Giorgio TR 10 2131 12926
San Casciano dei Bagni SI 11 1632 14558
San Lorenzo Nuovo VT 11 2091 16649
Grotte di Castro VT 12 2683 19332
Fabro TR 12 2876 22208
Onano VT 13 995 23203
Ficulle TR 14 1669 24872
Gradoli VT 16 1353 26225
Bolsena VT 16 3991 30216
Castell'Azzara GR 17 1476 31692
Radicofani SI 18 1097 32789
Orvieto TR 18 20630 53419
Parrano TR 18 534 53953
Latera VT 19 836 54789
Porano TR 19 1966 56755
Monteleone d'Orvieto TR 19 1467 58222
Piancastagnaio SI 19 4230 62452
Sorano GR 20 3428 65880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Viterbo (67173 inhabitants)
53 Km SW of Perugia (166134 inhabitants)
65 Km W of Terni (111501 inhabitants)
65 Km E of Grosseto (82087 inhabitants)
67 Km W of Foligno (57155 inhabitants)
76 Km SE of Siena (53903 inhabitants)
76 Km S of Arezzo (99543 inhabitants)
77 Km N of Civitavecchia (52991 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 2.1
ML 1.5
2010-04-09
08:14:24
42.782 11.912 19 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1028549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-04-09 08:14:24 ± 0.42
Latitude 42.7820 ± 0.0225
Longitude 11.9120 ± 0.0441
Depth (km) 19 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1028549

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4165
Semi-minor axis of confidence ellipse (meter) 1177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 4382.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19695
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1028549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:45:39

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1028549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:45:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHE. 2010-04-09T08:14:49.84 10.0 undecidable manual Pg 0 0 0
IV.PESA.HHE. 2010-04-09T08:14:46.65 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHN. 2010-04-09T08:14:33.66 0.6 undecidable manual Sg 48 21.867 0.042 67
IV.LATE.HHE. 2010-04-09T08:14:33.15 0.6 undecidable manual Sg 205 20.6682 -0.197 65
IV.SACS.HHZ. 2010-04-09T08:14:31.17 0.6 undecidable manual Sg 359 7.4814 0.151 67
IV.MGAB.HHN. 2010-04-09T08:14:29.79 0.3 undecidable manual Pg 48 21.867 -0.047 100
IV.LATE.HHE. 2010-04-09T08:14:29.91 0.3 undecidable manual Pg 205 20.6682 0.231 96
IV.SACS.HHZ. 2010-04-09T08:14:28.16 0.3 undecidable manual Pg 359 7.4814 -0.174 100
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