Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 02-01-2011 and time 08:44:43 (Italy) in region 5 km NW Sora (FR)

A magnitude ML 0.7 earthquake occured in region: 5 km NW Sora (FR), on

  • 02-01-2011 07:44:43 (UTC)
  • 02-01-2011 08:44:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7530, 13.5670 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sora FR 5 26144 26144
Balsorano AQ 6 3569 29713
Pescosolido FR 7 1555 31268
Broccostella FR 8 2741 34009
Isola del Liri FR 8 11715 45724
Castelliri FR 8 3454 49178
Campoli Appennino FR 10 1725 50903
San Vincenzo Valle Roveto AQ 10 2347 53250
Arpino FR 12 7262 60512
Posta Fibreno FR 13 1139 61651
Fontechiari FR 13 1303 62954
Monte San Giovanni Campano FR 13 12929 75883
Villavallelonga AQ 14 919 76802
Veroli FR 14 20560 97362
Vicalvi FR 14 783 98145
Boville Ernica FR 15 8737 106882
Collelongo AQ 15 1233 108115
Morino AQ 15 1448 109563
Fontana Liri FR 16 2953 112516
Alvito FR 16 2713 115229
Collepardo FR 17 968 116197
Civita d'Antino AQ 17 979 117176
Santopadre FR 18 1357 118533
Strangolagalli FR 18 2491 121024
Casalvieri FR 18 2698 123722
Arce FR 18 5756 129478
Rocca d'Arce FR 18 959 130437
Alatri FR 19 28952 159389
Vico nel Lazio FR 19 2234 161623
Ripi FR 19 5270 166893
Pescasseroli AQ 20 2203 169096
Torrice FR 20 4816 173912
Casalattico FR 20 574 174486

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km NE of Latina (125985 inhabitants)
66 Km E of Velletri (53303 inhabitants)
68 Km E of Tivoli (56533 inhabitants)
68 Km S of L'Aquila (69753 inhabitants)
75 Km E of Guidonia Montecelio (88673 inhabitants)
78 Km E of Aprilia (73446 inhabitants)
83 Km SW of Chieti (51815 inhabitants)
85 Km E of Anzio (54211 inhabitants)
89 Km E of Pomezia (62966 inhabitants)
91 Km E of Roma (2864731 inhabitants)
96 Km SW of Pescara (121014 inhabitants)
97 Km SW of Montesilvano (53738 inhabitants)
99 Km NW of Caserta (76326 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 1.9
ML 0.7 		2011-01-02
07:44:43		 41.753 13.567 8 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1156569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-02 07:44:43 ± 0.07
Latitude 41.7530 ± 0.0036
Longitude 13.5670 ± 0.0036
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 1156569

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1156569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:30:38

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1156569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:30:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.INTR.HHE. 2011-01-02T07:44:57.60 0.6 undecidable manual Sg 44 40.0266 0.161 47
IV.TDS.SHZ. 2011-01-02T07:44:55.08 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHN. 2011-01-02T07:44:55.85 0.6 undecidable manual Sg 230 33.744 0.146 48
IV.SDI.SHZ. 2011-01-02T07:44:51.18 0.6 undecidable manual Sg 103 20.7681 -0.207 48
.INTR.HHE. 2011-01-02T07:44:51.41 0.3 undecidable manual Pg 44 40.0266 -0.205 70
IV.GUAR.HHE. 2011-01-02T07:44:51.49 0.6 undecidable manual Sg 282 21.5673 -0.178 48
IV.GIUL.HHN. 2011-01-02T07:44:50.53 0.3 undecidable manual Pg 230 33.744 -0.084 72
IV.VVLD.HHZ. 2011-01-02T07:44:49.18 0.6 undecidable manual Sg 20 13.7751 -0.028 51
IV.SDI.SHZ. 2011-01-02T07:44:48.28 0.3 undecidable manual Pg 103 20.7681 0.158 73
IV.GUAR.HHE. 2011-01-02T07:44:48.36 0.3 undecidable manual Pg 282 21.5673 0.076 74
IV.VVLD.HHZ. 2011-01-02T07:44:46.95 0.1 undecidable manual Pg 20 13.7751 0.086 100
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