Earthquake with magnitude of ML 0.7 on date 16-01-2011 and time 08:20:08 (Italy) in region 1 km NE Castel Sant'Angelo (RI)

A magnitude ML 0.7 earthquake occured in region: 1 km NE Castel Sant'Angelo (RI), on

  • 16-01-2011 07:20:08 (UTC)
  • 16-01-2011 08:20:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4050, 13.0390 at 8 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
Castel Sant'Angelo RI 1 1308 1308
Borgo Velino RI 2 972 2280
Antrodoco RI 4 2588 4868
Micigliano RI 5 127 4995
Cittaducale RI 8 6828 11823
Concerviano RI 10 291 12114
Petrella Salto RI 12 1197 13311
Cantalice RI 13 2755 16066
Posta RI 14 694 16760
Borbona RI 14 617 17377
Rieti RI 15 47698 65075
Belmonte in Sabina RI 15 636 65711
Longone Sabino RI 16 597 66308
Cagnano Amiterno AQ 17 1369 67677
Poggio Bustone RI 17 2055 69732
Rocca Sinibalda RI 17 815 70547
Fiamignano RI 17 1413 71960
Varco Sabino RI 18 187 72147
Scoppito AQ 18 3727 75874
Leonessa RI 19 2435 78309
Rivodutri RI 20 1253 79562
Marcetelli RI 20 89 79651

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of L'Aquila (69753 inhabitants)
37 Km E of Terni (111501 inhabitants)
52 Km NE of Guidonia Montecelio (88673 inhabitants)
53 Km NE of Tivoli (56533 inhabitants)
62 Km W of Teramo (54892 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
73 Km NE of Roma (2864731 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
83 Km N of Velletri (53303 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Pomezia (62966 inhabitants)
93 Km W of Chieti (51815 inhabitants)
94 Km SE of Perugia (166134 inhabitants)
96 Km NE of Aprilia (73446 inhabitants)
97 Km NE of Fiumicino (78395 inhabitants)
97 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 1.7
ML 0.7
2011-01-16
07:20:08
42.405 13.039 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1162109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-16 07:20:08 ± 0.32
Latitude 42.4050 ± 0.0099
Longitude 13.0390 ± 0.0183
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1162109

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1700
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.19785
Epicentral distance of station farthest from the epicenter (degree) 0.43167
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1162109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:37:57

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1162109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:37:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2011-01-16T07:20:24.76 0.6 undecidable manual Sg 7 47.9187 0.071 48
IV.SMA1.EHE. 2011-01-16T07:20:20.83 0.3 undecidable manual Sg 44 34.8429 -0.216 72
IV.T0106.EHE. 2011-01-16T07:20:19.45 0.6 undecidable manual Sg 111 30.3474 -0.054 50
IV.NRCA.HHE. 2011-01-16T07:20:17.77 0.3 undecidable manual Pg 7 47.9187 -0.146 71
IV.SMA1.EHE. 2011-01-16T07:20:16.46 0.3 undecidable manual Pg 44 34.8429 0.649 64
IV.LNSS.HHN. 2011-01-16T07:20:16.73 0.3 undecidable manual Sg 0 21.9669 -0.003 77
IV.T0106.EHE. 2011-01-16T07:20:14.85 0.3 undecidable manual Pg 111 30.3474 -0.072 74
IV.LNSS.HHN. 2011-01-16T07:20:13.22 0.1 undecidable manual Pg 0 21.9669 -0.101 100
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