Earthquake with magnitude of ML 1.5 on date 12-01-2011 and time 22:03:04 (UTC) in region 6 km E Monteleone di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 6 km E Monteleone di Spoleto (PG), on

  • 12-01-2011 22:03:04 (UTC)
  • 12-01-2011 23:03:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6410, 13.0220 at 10 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
Monteleone di Spoleto PG 6 599 599
Cascia PG 9 3217 3816
Leonessa RI 10 2435 6251
Poggiodomo PG 11 117 6368
Cittareale RI 12 482 6850
Posta RI 14 694 7544
Polino TR 16 233 7777
Borbona RI 17 617 8394
Scheggino PG 18 461 8855
Norcia PG 18 4957 13812
Sant'Anatolia di Narco PG 18 564 14376
Poggio Bustone RI 19 2055 16431
Ferentillo TR 19 1913 18344
Vallo di Nera PG 19 364 18708
Rivodutri RI 19 1253 19961
Accumoli RI 20 667 20628

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
56 Km W of Teramo (54892 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
99 Km W of Chieti (51815 inhabitants)
100 Km W of Pescara (121014 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 1.8
ML 1.5
2011-01-12
22:03:04
42.641 13.022 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1160619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-12 22:03:04 ± 0.13
Latitude 42.6410 ± 0.0054
Longitude 13.0220 ± 0.0134
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1160619

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1129
Semi-minor axis of confidence ellipse (meter) 537
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 1253.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.42718
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1160619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:36:01

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1160619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:36:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHN. 2011-01-12T22:03:18.65 0.3 undecidable manual Sg 347 41.4252 0.135 69
IV.SMA1.EHZ. 2011-01-12T22:03:14.45 0.3 undecidable manual Sg 93 25.5522 0.178 70
IV.NRCA.HHZ. 2011-01-12T22:03:13.08 0.3 undecidable manual Sg 19 22.6551 -0.241 70
IV.T0106.EHE. 2011-01-12T22:03:13.19 0.1 undecidable manual Pg 141 47.4192 -0.431 89
IV.CESI.HHN. 2011-01-12T22:03:12.69 0.1 undecidable manual Pg 347 41.4252 -0.006 95
IV.SMA1.EHZ. 2011-01-12T22:03:10.40 0.1 undecidable manual Pg 93 25.5522 0.152 94
IV.NRCA.HHZ. 2011-01-12T22:03:09.68 0.1 undecidable manual Pg 19 22.6551 -0.014 99
IV.LNSS.HHN. 2011-01-12T22:03:08.58 0.3 undecidable manual Sg 161 4.4955 0.042 76
IV.LNSS.HHN. 2011-01-12T22:03:07.09 0.1 undecidable manual Pg 161 4.4955 0.161 100
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