Earthquake with magnitude of ML 1.8 on date 15-04-2008 and time 01:32:03 (UTC) in region 1 km W Ciampino (RM)

A magnitude ML 1.8 earthquake occured in region: 1 km W Ciampino (RM), on

  • 15-04-2008 01:32:03 (UTC)
  • 15-04-2008 03:32:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8020, 12.5880 at 11 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
Ciampino RM 1 38412 38412
Grottaferrata RM 7 20327 58739
Marino RM 7 43026 101765
Frascati RM 8 22087 123852
Castel Gandolfo RM 8 8997 132849
Albano Laziale RM 10 41715 174564
Monte Porzio Catone RM 11 8693 183257
Rocca di Papa RM 11 17034 200291
Ariccia RM 11 19407 219698
Monte Compatri RM 13 11978 231676
Roma RM 13 2864731 3096407
Genzano di Roma RM 14 23970 3120377
Nemi RM 14 1943 3122320
Colonna RM 14 4287 3126607
Rocca Priora RM 15 11962 3138569
Pomezia RM 16 62966 3201535
Lanuvio RM 17 13632 3215167
San Cesareo RM 18 15153 3230320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Roma (2864731 inhabitants)
16 Km NE of Pomezia (62966 inhabitants)
20 Km NW of Velletri (53303 inhabitants)
24 Km N of Aprilia (73446 inhabitants)
25 Km SW of Guidonia Montecelio (88673 inhabitants)
25 Km SW of Tivoli (56533 inhabitants)
29 Km E of Fiumicino (78395 inhabitants)
39 Km N of Anzio (54211 inhabitants)
46 Km NW of Latina (125985 inhabitants)
73 Km E of Civitavecchia (52991 inhabitants)
79 Km SE of Viterbo (67173 inhabitants)
85 Km S of Terni (111501 inhabitants)
91 Km SW of L'Aquila (69753 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 2.0
ML 1.8
2008-04-15
01:32:03
41.802 12.588 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 685349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-04-15 01:32:03 ± 0.09
Latitude 41.8020 ± 0.0072
Longitude 12.5880 ± 0.0060
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 685349

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 875
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 204
Circular confidence region, given by single value of horizontal uncertainty (meter) 943.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58726
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 685349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:59:23

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 685349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:59:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESLN.BHZ. 2008-04-15T01:32:16.86 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2008-04-15T01:32:15.54 0.1 undecidable manual Sg 63 36.3414 0.095 94
IV.MNS.HHE. 2008-04-15T01:32:14.76 0.1 undecidable manual Pg 7 65.1903 0.048 90
IV.MTCE.HHZ. 2008-04-15T01:32:13.18 0.1 undecidable manual Sg 27 27.6501 0.072 96
IV.CERT.HHN. 2008-04-15T01:32:10.07 0.1 positive manual Pg 63 36.3414 -0.199 92
IV.MTCE.HHZ. 2008-04-15T01:32:08.78 0.1 positive manual Pg 27 27.6501 -0.14 95
IV.RDP.BHZ. 2008-04-15T01:32:08.79 0.1 undecidable manual Sg 114 11.6772 0.098 98
IV.CDCA.EHE. 2008-04-15T01:32:08.26 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2008-04-15T01:32:07.19 0.1 negative manual Pg 146 16.4724 0.047 98
IV.MA9.SHZ. 2008-04-15T01:32:07.43 0.1 undecidable manual Sg 121 6.7932 -0.179 97
IV.RDP.BHZ. 2008-04-15T01:32:06.39 0.1 negative manual Pg 114 11.6772 0.02 100
IV.MA9.SHZ. 2008-04-15T01:32:05.82 0.1 negative manual Pg 121 6.7932 0.075 99
IV.ROM9.HHZ. 2008-04-15T01:32:05.78 0.1 undecidable manual Pg 296 6.6933 0.049 100
IV.BOB.HHN. 2008-04-15T01:32:00.05 10.0 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