Earthquake with magnitude of ML 0.8 on date 16-02-2009 and time 18:03:58 (Italy) in region 4 km W Poggiodomo (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km W Poggiodomo (PG), on

  • 16-02-2009 17:03:58 (UTC)
  • 16-02-2009 18:03:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7130, 12.8850 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
Poggiodomo PG 4 117 117
Scheggino PG 4 461 578
Sant'Anatolia di Narco PG 5 564 1142
Vallo di Nera PG 7 364 1506
Monteleone di Spoleto PG 9 599 2105
Cascia PG 11 3217 5322
Spoleto PG 12 38218 43540
Cerreto di Spoleto PG 12 1075 44615
Ferentillo TR 13 1913 46528
Polino TR 15 233 46761
Campello sul Clitunno PG 15 2442 49203
Montefranco TR 16 1276 50479
Arrone TR 17 2763 53242
Leonessa RI 18 2435 55677
Norcia PG 19 4957 60634
Sellano PG 20 1079 61713

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Terni (111501 inhabitants)
31 Km SE of Foligno (57155 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
60 Km SE of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
72 Km E of Viterbo (67173 inhabitants)
80 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
97 Km NE of Roma (2864731 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 0.8
2009-02-16
17:03:58
42.713 12.885 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 744629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-16 17:03:58 ± 0.26
Latitude 42.7130 ± 0.0063
Longitude 12.8850 ± 0.0306
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 744629

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2516
Semi-minor axis of confidence ellipse (meter) 619
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 2596.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.15828
Epicentral distance of station farthest from the epicenter (degree) 0.29138
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:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 744629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:04:53

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 744629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:04:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2009-02-16T17:04:10.06 0.6 undecidable manual Sg 3 32.3454 0.141 48
IV.NRCA.SHZ. 2009-02-16T17:04:06.93 0.6 undecidable manual Sg 54 22.9548 -0.023 50
IV.LNSS.HHZ. 2009-02-16T17:04:05.20 0.3 undecidable manual Sg 134 17.5713 -0.078 75
IV.CESI.HHE. 2009-02-16T17:04:04.92 0.1 undecidable manual Pg 3 32.3454 -0.124 96
IV.NRCA.SHZ. 2009-02-16T17:04:03.35 0.1 undecidable manual Pg 54 22.9548 0.018 100
IV.LNSS.HHZ. 2009-02-16T17:04:02.50 0.3 undecidable manual Pg 134 17.5713 0.133 74
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