Earthquake with magnitude of Md 2.3 on date 08-12-2004 and time 20:48:52 (Italy) in region 4 km W Ferentino (FR)

A magnitude Md 2.3 earthquake occured in region: 4 km W Ferentino (FR), on

  • 08-12-2004 19:48:52 (UTC)
  • 08-12-2004 20:48:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6900, 13.2100 at 16 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
Ferentino FR 4 21213 21213
Sgurgola FR 5 2676 23889
Morolo FR 6 3257 27146
Anagni FR 8 21464 48610
Fumone FR 8 2102 50712
Gorga RM 9 710 51422
Supino FR 9 4873 56295
Trivigliano FR 11 1705 58000
Patrica FR 11 3171 61171
Alatri FR 12 28952 90123
Acuto FR 12 1920 92043
Torre Cajetani FR 12 1376 93419
Fiuggi FR 13 10536 103955
Gavignano RM 13 1916 105871
Frosinone FR 13 46323 152194
Carpineto Romano RM 14 4524 156718
Vico nel Lazio FR 15 2234 158952
Montelanico RM 15 2131 161083
Guarcino FR 15 1623 162706
Segni RM 15 9159 171865
Collepardo FR 15 968 172833
Piglio FR 17 4666 177499
Ceccano FR 17 23565 201064
Torrice FR 17 4816 205880
Veroli FR 17 20560 226440
Colleferro RM 18 21595 248035
Giuliano di Roma FR 18 2400 250435
Paliano FR 18 8281 258716
Maenza LT 19 3074 261790
Roccagorga LT 19 4591 266381
Arnara FR 19 2309 268690
Serrone FR 19 3099 271789
Trevi nel Lazio FR 20 1822 273611
Prossedi LT 20 1202 274813
Ripi FR 20 5270 280083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Latina (125985 inhabitants)
36 Km E of Velletri (53303 inhabitants)
46 Km SE of Tivoli (56533 inhabitants)
48 Km E of Aprilia (73446 inhabitants)
53 Km SE of Guidonia Montecelio (88673 inhabitants)
55 Km NE of Anzio (54211 inhabitants)
59 Km E of Pomezia (62966 inhabitants)
64 Km E of Roma (2864731 inhabitants)
75 Km S of L'Aquila (69753 inhabitants)
81 Km E of Fiumicino (78395 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 2.3
ML-VAX 1.6
2004-12-08
19:48:52
41.69 13.21 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 509439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-12-08 19:48:52 ± 0.289
Latitude 41.6900 ± 0.0170
Longitude 13.2100 ± 0.0139
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 509439

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
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) 2213.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00712
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 509439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:08:16

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 509439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 2004-12-08T19:49:19.78 10.0 undecidable manual SG 330 0.7881 -0.42 0.1
--.INTR.N. 2004-12-08T19:49:14.46 10.0 undecidable manual SG 57 0.5994 0.29 0.3
--.MNS.Z. 2004-12-08T19:49:09.20 10.0 undecidable manual PG? 330 0.7881 0.48 0.1
--.SDI.Z. 2004-12-08T19:49:08.53 10.0 undecidable manual SG 87 0.444 -0.56 0.1
--.PTQR.Z. 2004-12-08T19:49:06.58 10.0 undecidable manual SG 23 0.3552 0.26 0.5
--.INTR.Z. 2004-12-08T19:49:04.89 10.0 positive manual PG 57 0.5994 -0.17 2.6
--.CERT.E. 2004-12-08T19:49:04.35 10.0 undecidable manual SG 326 0.3108 -0.39 0.2
--.SDI.Z. 2004-12-08T19:49:02.22 10.0 undecidable manual PG 87 0.444 0.09 1.8
--.PTQR.Z. 2004-12-08T19:49:00.79 10.0 undecidable manual PG 23 0.3552 0.26 1.2
--.CERT.Z. 2004-12-08T19:48:59.58 10.0 undecidable manual PG 326 0.3108 -0.05 1.9
--.GUAR.E. 2004-12-08T19:48:59.27 10.0 undecidable manual SG 36 0.1221 -0.36 0.3
--.GUAR.Z. 2004-12-08T19:48:56.85 10.0 positive manual PG 36 0.1221 0.18 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download