Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 0.1 on date 27-08-2011 and time 21:51:24 (Italy) in region 2 km W Orvinio (RI)

A magnitude M 0.1 earthquake occured in region: 2 km W Orvinio (RI), on

  • 27-08-2011 19:51:24 (UTC)
  • 27-08-2011 21:51:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1400, 12.9100 at 10 km depth.

The earthquake was located by: Fonte esterna non nota.

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
Orvinio RI 3 405 405
Percile RM 5 255 660
Pozzaglia Sabina RI 5 360 1020
Scandriglia RI 6 3108 4128
Licenza RM 7 1011 5139
Monteflavio RM 7 1348 6487
Poggio Moiano RI 8 2751 9238
Turania RI 8 241 9479
Montorio Romano RM 9 1984 11463
Colle di Tora RI 9 372 11835
Vivaro Romano RM 9 182 12017
Paganico Sabino RI 9 172 12189
Vallinfreda RM 9 283 12472
Ascrea RI 10 234 12706
Castel di Tora RI 10 288 12994
Roccagiovine RM 10 263 13257
Nerola RM 10 1926 15183
Cineto Romano RM 11 601 15784
Monteleone Sabino RI 11 1224 17008
Collegiove RI 11 213 17221
Riofreddo RM 11 781 18002
Moricone RM 11 2650 20652
Collalto Sabino RI 12 442 21094
Mandela RM 12 917 22011
Poggio Nativo RI 13 2622 24633
Frasso Sabino RI 13 743 25376
Nespolo RI 13 246 25622
Poggio San Lorenzo RI 14 589 26211
Vicovaro RM 14 4019 30230
Torricella in Sabina RI 14 1342 31572
Arsoli RM 14 1586 33158
Montelibretti RM 14 5323 38481
Roviano RM 14 1351 39832
Palombara Sabina RM 14 13269 53101
Varco Sabino RI 14 187 53288
Oricola AQ 15 1244 54532
Marcetelli RI 15 89 54621
Carsoli AQ 15 5396 60017
Rocca Sinibalda RI 15 815 60832
San Polo dei Cavalieri RM 15 2992 63824
Casaprota RI 15 744 64568
Toffia RI 15 1058 65626
Marcellina RM 15 7280 72906
Saracinesco RM 15 185 73091
Longone Sabino RI 16 597 73688
Anticoli Corrado RM 16 915 74603
Fara in Sabina RI 17 13742 88345
Sambuci RM 17 925 89270
Castelnuovo di Farfa RI 17 1059 90329
Montenero Sabino RI 18 299 90628
Mompeo RI 18 530 91158
Rocca di Botte AQ 18 856 92014
Pereto AQ 18 682 92696
Marano Equo RM 18 779 93475
Castel Madama RM 19 7399 100874
Salisano RI 19 567 101441
Ciciliano RM 20 1336 102777
Sant'Angelo Romano RM 20 5018 107795
Belmonte in Sabina RI 20 636 108431

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Tivoli (56533 inhabitants)
22 Km NE of Guidonia Montecelio (88673 inhabitants)
45 Km NE of Roma (2864731 inhabitants)
47 Km SW of L'Aquila (69753 inhabitants)
52 Km N of Velletri (53303 inhabitants)
52 Km SE of Terni (111501 inhabitants)
62 Km NE of Pomezia (62966 inhabitants)
64 Km NE of Aprilia (73446 inhabitants)
69 Km NE of Fiumicino (78395 inhabitants)
73 Km E of Viterbo (67173 inhabitants)
75 Km N of Latina (125985 inhabitants)
80 Km N of Anzio (54211 inhabitants)
87 Km SW of Teramo (54892 inhabitants)
92 Km E of Civitavecchia (52991 inhabitants)
92 Km S of Foligno (57155 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 		M 0.1 2011-08-27
19:51:24		 42.14 12.91 10 2014-10-15
07:39:12		 Fonte esterna non nota 1278349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-27 19:51:24
Latitude 42.1400
Longitude 12.9100
Depth (km) 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> UNKNOWN
Event type earthquake
Origin ID 1278349

Uncertainty

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

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 4
RMS of the travel time residuals of the arrivals used for the origin computation (sec)
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.00000
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 2
Magnitude information

M:0.1

Field Value
Value 0.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1278349
Agency INGV
Autore Fonte esterna non nota
Time of creation (UTC) 2014-10-15 07:39:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTF.SHE. 2011-08-27T19:52:02.85 10.0 undecidable manual Pg 0 0 0
IV.MCIV.HHE. 2011-08-27T19:51:44.84 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2011-08-27T19:51:39.52 0.3 undecidable manual Sg 0 0 0
IV.NRCA.HHE. 2011-08-27T19:51:35.21 0.3 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2011-08-27T19:51:33.38 0.3 undecidable manual Sg 0 0 0
IV.LNSS.HHN. 2011-08-27T19:51:31.80 0.1 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