Earthquake with magnitude of ML 1.0 on date 03-05-2011 and time 02:11:45 (Italy) in region 5 km NE Leonessa (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km NE Leonessa (RI), on

  • 03-05-2011 00:11:45 (UTC)
  • 03-05-2011 02:11:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6000, 12.9960 at 3 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
Leonessa RI 5 2435 2435
Monteleone di Spoleto PG 7 599 3034
Posta RI 12 694 3728
Polino TR 13 233 3961
Cascia PG 13 3217 7178
Poggiodomo PG 14 117 7295
Cittareale RI 14 482 7777
Poggio Bustone RI 14 2055 9832
Rivodutri RI 15 1253 11085
Borbona RI 15 617 11702
Morro Reatino RI 16 373 12075
Cantalice RI 16 2755 14830
Ferentillo TR 17 1913 16743
Micigliano RI 17 127 16870
Labro RI 18 374 17244
Scheggino PG 18 461 17705
Arrone TR 19 2763 20468
Montefranco TR 19 1276 21744
Sant'Anatolia di Narco PG 20 564 22308

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
58 Km W of Teramo (54892 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km N of Tivoli (56533 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
76 Km E of Viterbo (67173 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
100 Km W of Chieti (51815 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 1.0
2011-05-03
00:11:45
42.6 12.996 3 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1205849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-03 00:11:45 ± 0.14
Latitude 42.6000 ± 0.0045
Longitude 12.9960 ± 0.0086
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1205849

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 666
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 261
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1205849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:36:37

Md:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1205849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:36:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2011-05-03T00:11:54.91 0.6 undecidable manual Sg 20 27.6501 -0.03 49
IV.RM32.EHE. 2011-05-03T00:11:53.78 0.3 undecidable manual Sg 99 24.2535 0.011 74
IV.RM33.EHZ. 2011-05-03T00:11:52.41 0.1 undecidable manual Sg 119 20.4684 -0.07 98
IV.RM29.EHZ. 2011-05-03T00:11:51.72 0.3 undecidable manual Sg 104 17.871 0.151 72
IV.RM32.EHE. 2011-05-03T00:11:50.09 0.1 undecidable manual Pg 99 24.2535 -0.103 96
IV.NRCA.HHE. 2011-05-03T00:11:50.85 0.1 undecidable manual Pg 20 27.6501 -0.019 98
IV.RM29.EHZ. 2011-05-03T00:11:49.02 0.1 undecidable manual Pg 104 17.871 0.097 98
IV.RM33.EHZ. 2011-05-03T00:11:49.37 0.1 undecidable manual Pg 119 20.4684 -0.079 98
IV.LNSS.HHN. 2011-05-03T00:11:46.78 0.1 undecidable manual Sg 85 3.5964 -0.098 100
IV.LNSS.HHN. 2011-05-03T00:11:46.38 0.1 undecidable manual Pg 85 3.5964 0.166 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