Earthquake with magnitude of Md 3.0 on date 09-05-1997 and time 01:10:57 (Italy) in region 5 km SE Lariano (RM)

A magnitude Md 3.0 earthquake occured in region: 5 km SE Lariano (RM), on

  • 08-05-1997 23:10:57 (UTC)
  • 09-05-1997 01:10:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.704, 12.877 at 5 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
Lariano RM 5 13432 13432
Rocca Massima LT 5 1136 14568
Artena RM 5 14276 28844
Cori LT 7 11065 39909
Velletri RM 8 53303 93212
Valmontone RM 9 15959 109171
Labico RM 9 6379 115550
Colleferro RM 11 21595 137145
Segni RM 12 9159 146304
Cisterna di Latina LT 13 36868 183172
Cave RM 14 11287 194459
Nemi RM 14 1943 196402
Rocca Priora RM 14 11962 208364
Lanuvio RM 15 13632 221996
San Cesareo RM 15 15153 237149
Gavignano RM 15 1916 239065
Montelanico RM 15 2131 241196
Palestrina RM 15 21672 262868
Genzano di Roma RM 15 23970 286838
Norma LT 15 3946 290784
Rocca di Papa RM 15 17034 307818
Zagarolo RM 16 17843 325661
Castel San Pietro Romano RM 16 902 326563
Genazzano RM 16 6036 332599
Monte Compatri RM 16 11978 344577
Rocca di Cave RM 17 377 344954
Ariccia RM 17 19407 364361
Colonna RM 18 4287 368648
Monte Porzio Catone RM 18 8693 377341
Albano Laziale RM 18 41715 419056
Capranica Prenestina RM 19 351 419407
Paliano FR 19 8281 427688
Gallicano nel Lazio RM 19 6334 434022
Castel Gandolfo RM 19 8997 443019
Sermoneta LT 19 9842 452861
Marino RM 20 43026 495887
Grottaferrata RM 20 20327 516214
Frascati RM 20 22087 538301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Velletri (53303 inhabitants)
23 Km NE of Aprilia (73446 inhabitants)
26 Km N of Latina (125985 inhabitants)
30 Km S of Tivoli (56533 inhabitants)
31 Km E of Pomezia (62966 inhabitants)
35 Km NE of Anzio (54211 inhabitants)
35 Km SE of Guidonia Montecelio (88673 inhabitants)
39 Km SE of Roma (2864731 inhabitants)
54 Km E of Fiumicino (78395 inhabitants)
84 Km SW of L'Aquila (69753 inhabitants)
97 Km S of Terni (111501 inhabitants)
100 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 3.0
ML-VAX 2.1
1997-05-08
23:10:57
41.704 12.877 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 267599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-05-08 23:10:57 ± 0.349
Latitude 41.7040 ± 0.0229
Longitude 12.8770 ± 0.0226
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 267599

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) 3166.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01789
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 267599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:13:00

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 267599
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 Takeoff_angle Residual Weight
--.FB9.Z. 1997-05-08T23:11:58.16 10.0 undecidable manual SN 357 0.0179 1.34 0.2
--.ARV.Z. 1997-05-08T23:11:53.77 10.0 undecidable manual SN 1 0.0161 1.56 0.1
--.ASS.Z. 1997-05-08T23:11:43.14 10.0 undecidable manual SN 353 0.0123 1.09 0.3
--.FB9.Z. 1997-05-08T23:11:33.32 10.0 undecidable manual PN 357 0.0179 1.49 0.3
--.ARV.Z. 1997-05-08T23:11:31.11 10.0 undecidable manual PN 1 0.0161 1.95 0.1
--.RFI.Z. 1997-05-08T23:11:30.80 10.0 undecidable manual SG 115 0.0083 0.64 0.5
--.PSB1.Z. 1997-05-08T23:11:25.89 10.0 undecidable manual PN 107 0.0137 0.41 1.2
--.AQU.Z. 1997-05-08T23:11:24.45 10.0 undecidable manual SG 30 0.0068 -0.44 0.6
--.ASS.Z. 1997-05-08T23:11:23.60 10.0 undecidable manual PN 353 0.0123 -0.24 1.4
--.SDI.Z. 1997-05-08T23:11:23.60 10.0 undecidable manual SG 89 0.0062 0.14 0.7
--.MNS.Z. 1997-05-08T23:11:22.62 10.0 undecidable manual SG 347 0.0062 -0.28 0.7
--.DUI.Z. 1997-05-08T23:11:21.50 10.0 undecidable manual PN 91 0.0106 0.76 1.1
--.CPI2.Z. 1997-05-08T23:11:18.94 10.0 undecidable manual PN 95 0.0097 -0.46 1.5
--.PQ9.Z. 1997-05-08T23:11:16.80 10.0 undecidable manual SG 50 0.0045 0.08 0.7
--.RFI.Z. 1997-05-08T23:11:16.96 10.0 undecidable manual PG 115 0.0083 0.52 1.5
--.AQU.Z. 1997-05-08T23:11:12.50 10.0 undecidable manual PG 30 0.0068 -0.89 1.1
--.SDI.Z. 1997-05-08T23:11:11.37 10.0 negative manual PG 89 0.0062 -0.89 2.2
--.MNS.Z. 1997-05-08T23:11:10.69 10.0 undecidable manual PG 347 0.0062 -1.55 0.4
--.PQ9.Z. 1997-05-08T23:11:08.40 10.0 negative manual PG 50 0.0045 -0.63 2.7
--.RMP.Z. 1997-05-08T23:11:03.50 10.0 undecidable manual SG 309 0.0015 -0.91 0.6
--.RMP.Z. 1997-05-08T23:11:01.16 10.0 positive manual PG 309 0.0015 -0.41 3.1
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