Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 12-07-2009 and time 12:13:28 (UTC) in region 2 km E Jenne (RM)

A magnitude ML 1.1 earthquake occured in region: 2 km E Jenne (RM), on

  • 12-07-2009 12:13:28 (UTC)
  • 12-07-2009 14:13:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8810, 13.1890 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.

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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
Jenne RM 2 366 366
Trevi nel Lazio FR 5 1822 2188
Arcinazzo Romano RM 6 1348 3536
Vallepietra RM 6 283 3819
Piglio FR 7 4666 8485
Affile RM 8 1548 10033
Serrone FR 9 3099 13132
Subiaco RM 9 9074 22206
Fiuggi FR 9 10536 32742
Acuto FR 10 1920 34662
Roiate RM 10 737 35399
Filettino FR 11 565 35964
Torre Cajetani FR 12 1376 37340
Olevano Romano RM 13 6687 44027
Bellegra RM 13 2887 46914
Trivigliano FR 14 1705 48619
Paliano FR 14 8281 56900
Guarcino FR 14 1623 58523
Rocca Santo Stefano RM 14 975 59498
Canterano RM 14 351 59849
Anagni FR 15 21464 81313
Cervara di Roma RM 16 455 81768
Rocca Canterano RM 16 196 81964
Cappadocia AQ 16 528 82492
Camerata Nuova RM 17 447 82939
San Vito Romano RM 17 3273 86212
Vico nel Lazio FR 17 2234 88446
Gerano RM 17 1263 89709
Castellafiume AQ 17 1106 90815
Agosta RM 17 1765 92580
Cerreto Laziale RM 19 1118 93698
Genazzano RM 19 6036 99734
Fumone FR 19 2102 101836
Rocca di Botte AQ 19 856 102692
Marano Equo RM 19 779 103471
Pisoniano RM 19 770 104241
Capistrello AQ 19 5252 109493
Capranica Prenestina RM 20 351 109844
Canistro AQ 20 995 110839
Collepardo FR 20 968 111807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Tivoli (56533 inhabitants)
40 Km NE of Velletri (53303 inhabitants)
41 Km E of Guidonia Montecelio (88673 inhabitants)
52 Km NE of Latina (125985 inhabitants)
55 Km NE of Aprilia (73446 inhabitants)
55 Km SW of L'Aquila (69753 inhabitants)
58 Km E of Roma (2864731 inhabitants)
62 Km E of Pomezia (62966 inhabitants)
67 Km NE of Anzio (54211 inhabitants)
80 Km E of Fiumicino (78395 inhabitants)
88 Km SE of Terni (111501 inhabitants)
96 Km SW of Chieti (51815 inhabitants)
97 Km SW of Teramo (54892 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 1.1 		2009-07-12
12:13:28		 41.881 13.189 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 923839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-12 12:13:28 ± 0.17
Latitude 41.8810 ± 0.0027
Longitude 13.1890 ± 0.0024
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 923839

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 159
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 6
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) 0.12680
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 923839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:35:48

Md:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 923839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:35:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.SHZ. 2009-07-12T12:13:37.33 0.3 undecidable manual Sg 48 23.4543 0.035 74
IV.CERT.HHN. 2009-07-12T12:13:35.83 0.1 undecidable manual Sg 294 18.6702 0.019 100
IV.GUAR.HHN. 2009-07-12T12:13:34.40 0.3 undecidable manual Sg 133 14.0748 -0.061 75
IV.PTQR.SHZ. 2009-07-12T12:13:33.48 0.3 undecidable manual Pg 48 23.4543 -0.062 74
IV.GUAR.HHN. 2009-07-12T12:13:32.01 0.3 undecidable manual Pg 133 14.0748 0.106 74
IV.CERT.HHN. 2009-07-12T12:13:32.64 0.3 undecidable manual Pg 294 18.6702 -0.045 75
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