Earthquake with magnitude of Md 3.1 on date 15-03-1990 and time 13:17:48 (Italy) in region 5 km S Lanuvio (RM)

A magnitude Md 3.1 earthquake occured in region: 5 km S Lanuvio (RM), on

  • 15-03-1990 12:17:48 (UTC)
  • 15-03-1990 13:17:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.636, 12.704 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
Lanuvio RM 5 13632 13632
Aprilia LT 6 73446 87078
Genzano di Roma RM 8 23970 111048
Velletri RM 8 53303 164351
Nemi RM 10 1943 166294
Ariccia RM 10 19407 185701
Albano Laziale RM 11 41715 227416
Cisterna di Latina LT 11 36868 264284
Castel Gandolfo RM 13 8997 273281
Ardea RM 13 49183 322464
Rocca di Papa RM 14 17034 339498
Lariano RM 15 13432 352930
Marino RM 15 43026 395956
Pomezia RM 17 62966 458922
Grottaferrata RM 17 20327 479249
Cori LT 18 11065 490314
Rocca Priora RM 18 11962 502276
Rocca Massima LT 19 1136 503412
Frascati RM 19 22087 525499
Monte Compatri RM 20 11978 537477
Nettuno RM 20 49167 586644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NE of Aprilia (73446 inhabitants)
8 Km SW of Velletri (53303 inhabitants)
17 Km E of Pomezia (62966 inhabitants)
22 Km N of Anzio (54211 inhabitants)
25 Km NW of Latina (125985 inhabitants)
34 Km SE of Roma (2864731 inhabitants)
37 Km S of Tivoli (56533 inhabitants)
41 Km S of Guidonia Montecelio (88673 inhabitants)
42 Km E of Fiumicino (78395 inhabitants)
91 Km SE of Civitavecchia (52991 inhabitants)
98 Km SW of L'Aquila (69753 inhabitants)
100 Km SE of Viterbo (67173 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 3.1
ML-VAX 2.1
1990-03-15
12:17:48
41.636 12.704 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 111749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-15 12:17:48 ± 0.601
Latitude 41.6360 ± 0.0272
Longitude 12.7040 ± 0.0399
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 111749

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) 4492.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 270
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01676
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 111749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:55

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 111749
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
--.CIO.Z. 1990-03-15T12:18:39.30 10.0 undecidable manual SN 11 0.0142 1.32 0.1
--.ASS.Z. 1990-03-15T12:18:34.56 10.0 undecidable manual SN 358 0.0128 0.51 0.5
--.RM8.Z. 1990-03-15T12:18:33.41 10.0 undecidable manual SN 15 0.0123 0.71 0.5
--.ARV.Z. 1990-03-15T12:18:21.73 10.0 undecidable manual PN 5 0.0168 0.92 0.5
--.SDI.Z. 1990-03-15T12:18:18.84 10.0 undecidable manual SG 84 0.0074 1.05 0.2
--.CIO.Z. 1990-03-15T12:18:17.70 10.0 undecidable manual PN 11 0.0142 0.09 1.4
--.SGG.Z. 1990-03-15T12:18:16.20 10.0 undecidable manual PN! 100 0.0115 3.51 0
--.ASS.Z. 1990-03-15T12:18:14.18 10.0 undecidable manual PN 358 0.0128 -0.54 1.1
--.ALP.Z. 1990-03-15T12:18:14.38 10.0 undecidable manual PN 28 0.0117 1.25 0.3
--.RM8.Z. 1990-03-15T12:18:13.42 10.0 undecidable manual PN 15 0.0123 -0.51 1.2
--.DUI.Z. 1990-03-15T12:18:12.50 10.0 undecidable manual PN 88 0.0117 -0.63 1
--.AQU.Z. 1990-03-15T12:18:07.20 10.0 undecidable manual PG 35 0.0079 0.84 0.9
--.SDI.Z. 1990-03-15T12:18:04.99 10.0 undecidable manual PG 84 0.0074 -0.34 1.6
--.AZI.Z. 1990-03-15T12:18:01.66 10.0 undecidable manual PG 57 0.0058 -0.31 1.6
--.CP9.Z. 1990-03-15T12:17:58.48 10.0 undecidable manual SG 39 0.0026 -1.18 0.2
--.CP9.Z. 1990-03-15T12:17:54.49 10.0 undecidable manual PG 39 0.0026 -0.38 1.6
--.RDP.Z. 1990-03-15T12:17:53.43 10.0 undecidable manual SG 4 0.0011 0.11 0.7
--.RDP.Z. 1990-03-15T12:17:51.20 10.0 negative manual PG 4 0.0011 -0.18 3.5
--.RMP.Z. 1990-03-15T12:17:51.58 10.0 positive manual PG 359 0.0015 -0.74 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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