Earthquake with magnitude of Md 2.4 on date 15-08-1996 and time 02:15:32 (Italy) in region 4 km NW Gallicano nel Lazio (RM)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Gallicano nel Lazio (RM), on

  • 15-08-1996 00:15:32 (UTC)
  • 15-08-1996 02:15:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8970, 12.7840 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gallicano nel Lazio RM 4 6334 6334
Zagarolo RM 7 17843 24177
Colonna RM 7 4287 28464
Tivoli RM 8 56533 84997
San Gregorio da Sassola RM 8 1619 86616
San Cesareo RM 8 15153 101769
Casape RM 9 744 102513
Poli RM 9 2418 104931
Monte Compatri RM 11 11978 116909
Monte Porzio Catone RM 11 8693 125602
Castel San Pietro Romano RM 11 902 126504
Palestrina RM 11 21672 148176
Castel Madama RM 11 7399 155575
Rocca Priora RM 11 11962 167537
Guidonia Montecelio RM 13 88673 256210
Frascati RM 13 22087 278297
San Polo dei Cavalieri RM 14 2992 281289
Marcellina RM 14 7280 288569
Rocca di Cave RM 15 377 288946
Capranica Prenestina RM 15 351 289297
Pisoniano RM 15 770 290067
Labico RM 15 6379 296446
Ciciliano RM 15 1336 297782
Cave RM 15 11287 309069
Grottaferrata RM 15 20327 329396
Vicovaro RM 16 4019 333415
Rocca di Papa RM 16 17034 350449
Sambuci RM 16 925 351374
Sant'Angelo Romano RM 16 5018 356392
San Vito Romano RM 17 3273 359665
Genazzano RM 17 6036 365701
Cerreto Laziale RM 17 1118 366819
Valmontone RM 17 15959 382778
Marino RM 17 43026 425804
Fonte Nuova RM 18 32562 458366
Gerano RM 18 1263 459629
Ciampino RM 18 38412 498041
Saracinesco RM 18 185 498226
Palombara Sabina RM 19 13269 511495
Lariano RM 19 13432 524927
Mandela RM 19 917 525844
Mentana RM 20 22921 548765
Roccagiovine RM 20 263 549028
Castel Gandolfo RM 20 8997 558025

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km S of Tivoli (56533 inhabitants)
13 Km SE of Guidonia Montecelio (88673 inhabitants)
23 Km N of Velletri (53303 inhabitants)
25 Km E of Roma (2864731 inhabitants)
34 Km NE of Pomezia (62966 inhabitants)
35 Km NE of Aprilia (73446 inhabitants)
47 Km E of Fiumicino (78395 inhabitants)
49 Km N of Latina (125985 inhabitants)
51 Km N of Anzio (54211 inhabitants)
72 Km SW of L'Aquila (69753 inhabitants)
75 Km S of Terni (111501 inhabitants)
81 Km SE of Viterbo (67173 inhabitants)
85 Km E of Civitavecchia (52991 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 2.4
ML-VAX 2.2
1996-08-15
00:15:32
41.897 12.784 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 250989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-08-15 00:15:32 ± 0.154
Latitude 41.8970 ± 0.0239
Longitude 12.7840 ± 0.0304
Depth (km) 8 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 250989

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) 3665.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00704
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 250989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:57:26

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 250989
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
--.SDI.Z. 1996-08-15T00:15:59.50 10.0 undecidable manual SG 103 0.777 -0.56 0.1
--.MNS.Z. 1996-08-15T00:15:50.91 10.0 undecidable manual SG 351 0.4884 0.3 0.5
--.PQ9.Z. 1996-08-15T00:15:50.47 10.0 undecidable manual SG 74 0.4662 0.44 0.3
--.SDI.Z. 1996-08-15T00:15:48.50 10.0 undecidable manual PG 103 0.777 0.06 1.5
--.AQU.Z. 1996-08-15T00:15:45.50 10.0 undecidable manual PG 44 0.6327 -0.33 0.9
--.MNS.Z. 1996-08-15T00:15:42.87 10.0 undecidable manual PG 351 0.4884 -0.11 1.9
--.PQ9.Z. 1996-08-15T00:15:42.83 10.0 undecidable manual PG 74 0.4662 0.18 1.7
--.RDP.Z. 1996-08-15T00:15:39.19 10.0 undecidable manual SG 199 0.1443 0.24 0.6
--.RMP.Z. 1996-08-15T00:15:36.90 10.0 undecidable manual SG 215 0.0999 -0.66 0.1
--.RDP.Z. 1996-08-15T00:15:36.50 10.0 undecidable manual PG 199 0.1443 0.25 1.5
--.RMP.Z. 1996-08-15T00:15:35.49 10.0 undecidable manual PG 215 0.0999 0.04 2.1
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