Earthquake with magnitude of Md 3.4 on date 15-11-1989 and time 22:11:27 (Italy) in region 3 km SW Rocca Priora (RM)

A magnitude Md 3.4 earthquake occured in region: 3 km SW Rocca Priora (RM), on

  • 15-11-1989 21:11:27 (UTC)
  • 15-11-1989 22:11:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.77, 12.75 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
Rocca Priora RM 3 11962 11962
Rocca di Papa RM 4 17034 28996
Monte Compatri RM 5 11978 40974
Nemi RM 6 1943 42917
Monte Porzio Catone RM 6 8693 51610
Grottaferrata RM 7 20327 71937
Frascati RM 7 22087 94024
San Cesareo RM 7 15153 109177
Colonna RM 8 4287 113464
Marino RM 8 43026 156490
Lariano RM 8 13432 169922
Genzano di Roma RM 8 23970 193892
Ariccia RM 8 19407 213299
Castel Gandolfo RM 9 8997 222296
Albano Laziale RM 9 41715 264011
Velletri RM 9 53303 317314
Zagarolo RM 10 17843 335157
Lanuvio RM 11 13632 348789
Labico RM 12 6379 355168
Gallicano nel Lazio RM 13 6334 361502
Ciampino RM 13 38412 399914
Valmontone RM 14 15959 415873
Artena RM 14 14276 430149
Palestrina RM 14 21672 451821
Castel San Pietro Romano RM 15 902 452723
Cave RM 16 11287 464010
Rocca Massima LT 17 1136 465146
Poli RM 18 2418 467564
Rocca di Cave RM 18 377 467941
Casape RM 19 744 468685
Cori LT 19 11065 479750
San Gregorio da Sassola RM 20 1619 481369
Capranica Prenestina RM 20 351 481720
Genazzano RM 20 6036 487756

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of Velletri (53303 inhabitants)
21 Km NE of Aprilia (73446 inhabitants)
22 Km S of Tivoli (56533 inhabitants)
23 Km E of Pomezia (62966 inhabitants)
26 Km S of Guidonia Montecelio (88673 inhabitants)
26 Km SE of Roma (2864731 inhabitants)
36 Km NW of Latina (125985 inhabitants)
37 Km N of Anzio (54211 inhabitants)
43 Km E of Fiumicino (78395 inhabitants)
84 Km SW of L'Aquila (69753 inhabitants)
87 Km E of Civitavecchia (52991 inhabitants)
89 Km S of Terni (111501 inhabitants)
90 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 3.4
ML-VAX 2.8
1989-11-15
21:11:27
41.77 12.75 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 104319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-11-15 21:11:27 ± 0.2
Latitude 41.77 ± 0.02
Longitude 12.75 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 104319

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) 2294.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.04339
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 104319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:37:11

ML:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 104319
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
--.FVI.Z. 1989-11-15T21:12:40.42 10.0 undecidable manual PN 0 0.0434 -0.32 0.7
--.TR9.Z. 1989-11-15T21:12:27.20 10.0 undecidable manual SN 110 0.0179 0.28 0.5
--.SOR.Z. 1989-11-15T21:12:19.80 10.0 undecidable manual SN 134 0.0151 0.3 0.5
--.ASS.Z. 1989-11-15T21:12:11.36 10.0 undecidable manual SN 356 0.0117 1.01 0.4
--.DUI.Z. 1989-11-15T21:12:10.30 10.0 undecidable manual SN 94 0.0115 0.11 0.6
--.ALP.Z. 1989-11-15T21:12:10.66 10.0 undecidable manual SN! 30 0.0105 3.11 0
--.SGG.Z. 1989-11-15T21:12:10.40 10.0 undecidable manual SN 106 0.0114 0.55 0.5
--.SGO.Z. 1989-11-15T21:12:07.00 10.0 undecidable manual PN 121 0.0204 1.29 0.5
--.SFI.Z. 1989-11-15T21:12:06.74 10.0 undecidable manual PN 343 0.0201 1.52 0.3
--.RSM.Z. 1989-11-15T21:12:05.51 10.0 undecidable manual PN 354 0.0195 1.17 0.6
--.RFI.Z. 1989-11-15T21:12:05.21 10.0 undecidable manual SG 116 0.0092 1.45 0.2
--.PGD.Z. 1989-11-15T21:12:05.69 10.0 undecidable manual PN 340 0.0201 0.44 1.1
--.CRE.Z. 1989-11-15T21:12:03.00 10.0 undecidable manual PN 342 0.0174 1.8 0.2
--.TR9.Z. 1989-11-15T21:12:02.70 10.0 undecidable manual PN 110 0.0179 0.81 0.9
--.AM8.Z. 1989-11-15T21:12:01.80 10.0 undecidable manual PN 19 0.0169 1.37 0.5
--.FG2.Z. 1989-11-15T21:12:00.20 10.0 negative manual PN 87 0.0161 0.84 1.9
--.ARV.Z. 1989-11-15T21:11:57.94 10.0 undecidable manual PN 4 0.0156 -0.42 1.3
--.SOR.Z. 1989-11-15T21:11:56.60 10.0 undecidable manual PN 134 0.0151 -1 0.8
--.OVO.Z. 1989-11-15T21:11:56.00 10.0 undecidable manual PN 126 0.0139 0.14 1.5
--.AQU.Z. 1989-11-15T21:11:55.51 10.0 undecidable manual SG 39 0.0068 0.58 0.5
--.DUI.Z. 1989-11-15T21:11:52.00 10.0 undecidable manual PN 94 0.0115 -0.08 1.6
--.SGG.Z. 1989-11-15T21:11:51.80 10.0 undecidable manual PN 106 0.0114 -0.23 1.6
--.ASS.Z. 1989-11-15T21:11:51.10 10.0 negative manual PN 356 0.0117 -1.31 1.2
--.ALP.Z. 1989-11-15T21:11:49.47 10.0 undecidable manual PN 30 0.0105 -1.23 0.7
--.MSC.Z. 1989-11-15T21:11:47.90 10.0 undecidable manual PN 121 0.0097 -1.46 0.5
--.RFI.Z. 1989-11-15T21:11:47.35 10.0 undecidable manual PG 116 0.0092 -1.16 0.8
--.AQU.Z. 1989-11-15T21:11:42.20 10.0 positive manual PG 39 0.0068 -1.4 1.1
--.CP9.Z. 1989-11-15T21:11:34.72 10.0 undecidable manual SG 57 0.0015 0 0.6
--.CP9.Z. 1989-11-15T21:11:31.96 10.0 positive manual PG 57 0.0015 0.21 3.1
--.RDP.Z. 1989-11-15T21:11:30.21 10.0 undecidable manual SG 249 0.0002 0.48 0.6
--.RMP.Z. 1989-11-15T21:11:30.29 10.0 undecidable manual SG 319 0.0005 -0.2 0.6
--.RMP.Z. 1989-11-15T21:11:29.40 10.0 positive manual PG 319 0.0005 -0.27 3.1
--.RDP.Z. 1989-11-15T21:11:28.52 10.0 positive manual PG 249 0.0002 -0.34 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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