Earthquake with magnitude of ML 0.9 on date 15-10-2008 and time 23:28:07 (UTC) in region 1 km SW Rocca di Papa (RM)

A magnitude ML 0.9 earthquake occured in region: 1 km SW Rocca di Papa (RM), on

  • 15-10-2008 23:28:07 (UTC)
  • 16-10-2008 01:28:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7540, 12.7030 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rocca di Papa RM 1 17034 17034
Nemi RM 4 1943 18977
Marino RM 4 43026 62003
Castel Gandolfo RM 4 8997 71000
Albano Laziale RM 5 41715 112715
Ariccia RM 5 19407 132122
Grottaferrata RM 5 20327 152449
Genzano di Roma RM 5 23970 176419
Frascati RM 6 22087 198506
Monte Compatri RM 7 11978 210484
Rocca Priora RM 7 11962 222446
Monte Porzio Catone RM 7 8693 231139
Lanuvio RM 8 13632 244771
Velletri RM 10 53303 298074
Colonna RM 10 4287 302361
Ciampino RM 10 38412 340773
San Cesareo RM 11 15153 355926
Lariano RM 11 13432 369358
Zagarolo RM 14 17843 387201
Labico RM 16 6379 393580
Gallicano nel Lazio RM 16 6334 399914
Artena RM 18 14276 414190
Valmontone RM 18 15959 430149
Palestrina RM 18 21672 451821
Aprilia LT 18 73446 525267
Pomezia RM 19 62966 588233
Castel San Pietro Romano RM 19 902 589135
Rocca Massima LT 20 1136 590271

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of Velletri (53303 inhabitants)
18 Km N of Aprilia (73446 inhabitants)
19 Km E of Pomezia (62966 inhabitants)
24 Km SE of Roma (2864731 inhabitants)
25 Km SW of Tivoli (56533 inhabitants)
28 Km S of Guidonia Montecelio (88673 inhabitants)
35 Km N of Anzio (54211 inhabitants)
36 Km NW of Latina (125985 inhabitants)
39 Km E of Fiumicino (78395 inhabitants)
84 Km E of Civitavecchia (52991 inhabitants)
88 Km SW of L'Aquila (69753 inhabitants)
89 Km SE of Viterbo (67173 inhabitants)
90 Km S of Terni (111501 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 1.8
ML 0.9
2008-10-15
23:28:07
41.754 12.703 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 723599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-10-15 23:28:07 ± 0.19
Latitude 41.7540 ± 0.0090
Longitude 12.7030 ± 0.0181
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 723599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1602
Semi-minor axis of confidence ellipse (meter) 706
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 1802.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.45596
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 723599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:41:31

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 723599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:41:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHN. 2008-10-15T23:28:23.64 0.3 undecidable manual Sg 115 50.616 0.045 71
IV.CERT.HHN. 2008-10-15T23:28:18.74 0.1 undecidable manual Sg 47 31.5462 0.221 80
IV.GIUL.HHN. 2008-10-15T23:28:16.51 0.1 undecidable manual Pg 115 50.616 -0.193 89
IV.CERT.HHN. 2008-10-15T23:28:13.82 0.1 undecidable manual Pg 47 31.5462 0.049 92
IV.LAV9.SHZ. 2008-10-15T23:28:11.39 0.3 undecidable manual Sg 182 8.4804 -0.306 73
IV.MA9.SHZ. 2008-10-15T23:28:10.33 0.3 undecidable manual Sg 296 4.0959 -0.535 68
IV.MA9.SHZ. 2008-10-15T23:28:09.50 0.1 positive manual Pg 296 4.0959 0.151 100
IV.LAV9.SHZ. 2008-10-15T23:28:09.96 0.1 undecidable manual Pg 182 8.4804 0.131 98
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