Earthquake with magnitude of ML 1.0 on date 22-01-2012 and time 20:29:50 (Italy) in region 5 km S Balsorano (AQ)

A magnitude ML 1.0 earthquake occured in region: 5 km S Balsorano (AQ), on

  • 22-01-2012 19:29:50 (UTC)
  • 22-01-2012 20:29:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7590, 13.5660 at 6 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
Balsorano AQ 5 3569 3569
Sora FR 6 26144 29713
Pescosolido FR 8 1555 31268
Broccostella FR 8 2741 34009
Castelliri FR 9 3454 37463
Isola del Liri FR 9 11715 49178
San Vincenzo Valle Roveto AQ 9 2347 51525
Campoli Appennino FR 10 1725 53250
Arpino FR 13 7262 60512
Posta Fibreno FR 13 1139 61651
Villavallelonga AQ 13 919 62570
Fontechiari FR 14 1303 63873
Monte San Giovanni Campano FR 14 12929 76802
Veroli FR 14 20560 97362
Collelongo AQ 14 1233 98595
Vicalvi FR 15 783 99378
Morino AQ 15 1448 100826
Boville Ernica FR 15 8737 109563
Civita d'Antino AQ 16 979 110542
Fontana Liri FR 16 2953 113495
Collepardo FR 16 968 114463
Alvito FR 17 2713 117176
Santopadre FR 18 1357 118533
Strangolagalli FR 19 2491 121024
Vico nel Lazio FR 19 2234 123258
Casalvieri FR 19 2698 125956
Alatri FR 19 28952 154908
Arce FR 19 5756 160664
Rocca d'Arce FR 19 959 161623
Pescasseroli AQ 19 2203 163826
Ripi FR 20 5270 169096
Torrice FR 20 4816 173912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km NE of Latina (125985 inhabitants)
66 Km E of Velletri (53303 inhabitants)
67 Km S of L'Aquila (69753 inhabitants)
68 Km E of Tivoli (56533 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)
95 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 1.4
ML 1.0
2012-01-22
19:29:50
41.759 13.566 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1335049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-01-22 19:29:50 ± 0.17
Latitude 41.7590 ± 0.0027
Longitude 13.5660 ± 0.0036
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1335049

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 332
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 424.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1335049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:35:11

Md:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 1335049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:35:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUAR.HHZ. 2012-01-22T19:29:58.00 0.3 undecidable manual Sg 281 21.3675 0.066 73
IV.POFI.HHZ. 2012-01-22T19:29:55.13 0.3 undecidable manual Sg 111 12.876 -0.05 75
IV.VVLD.HHZ. 2012-01-22T19:29:55.23 0.1 undecidable manual Sg 21 13.0758 -0.017 100
IV.GUAR.HHZ. 2012-01-22T19:29:54.55 0.3 undecidable manual Pg 281 21.3675 -0.123 72
IV.POFI.HHZ. 2012-01-22T19:29:53.14 0.1 undecidable manual Pg 111 12.876 0.059 99
IV.VVLD.HHZ. 2012-01-22T19:29:53.14 0.1 undecidable manual Pg 21 13.0758 0.024 100
IV.ORI.HHZ. 2012-01-22T19:29:44.81 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHN. 2012-01-22T19:29:39.59 10.0 undecidable manual Pg 0 0 0
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