Earthquake with magnitude of Md 2.0 on date 14-05-1987 and time 00:25:26 (UTC) in region 5 km SE Lanuvio (RM)

A magnitude Md 2.0 earthquake occured in region: 5 km SE Lanuvio (RM), on

  • 14-05-1987 00:25:26 (UTC)
  • 14-05-1987 02:25:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6370, 12.7310 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
Lanuvio RM 5 13632 13632
Velletri RM 7 53303 66935
Aprilia LT 8 73446 140381
Genzano di Roma RM 9 23970 164351
Nemi RM 9 1943 166294
Cisterna di Latina LT 10 36868 203162
Ariccia RM 11 19407 222569
Albano Laziale RM 12 41715 264284
Lariano RM 13 13432 277716
Castel Gandolfo RM 14 8997 286713
Rocca di Papa RM 14 17034 303747
Cori LT 15 11065 314812
Ardea RM 16 49183 363995
Marino RM 16 43026 407021
Rocca Massima LT 17 1136 408157
Grottaferrata RM 18 20327 428484
Rocca Priora RM 18 11962 440446
Monte Compatri RM 19 11978 452424
Artena RM 19 14276 466700
Frascati RM 19 22087 488787
Pomezia RM 19 62966 551753
Monte Porzio Catone RM 20 8693 560446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SW of Velletri (53303 inhabitants)
8 Km NE of Aprilia (73446 inhabitants)
19 Km E of Pomezia (62966 inhabitants)
23 Km NE of Anzio (54211 inhabitants)
24 Km NW of Latina (125985 inhabitants)
35 Km SE of Roma (2864731 inhabitants)
37 Km S of Tivoli (56533 inhabitants)
41 Km S of Guidonia Montecelio (88673 inhabitants)
44 Km E of Fiumicino (78395 inhabitants)
93 Km SE of Civitavecchia (52991 inhabitants)
97 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 1987-05-14
00:25:26
41.637 12.731 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 46989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-14 00:25:26 ± 0.498
Latitude 41.6370 ± 0.0225
Longitude 12.7310 ± 0.0263
Depth (km) 10 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 46989

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) 3327.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 268
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 46989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:46:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1987-05-14T00:25:53.50 10.0 undecidable manual SG 84 0.7992 -0.43 0.4
--.MNS.Z. 1987-05-14T00:25:52.00 10.0 undecidable manual SG 357 0.7437 0.04 0.7
--.SDI.Z. 1987-05-14T00:25:42.00 10.0 undecidable manual PG 84 0.7992 -0.14 1.6
--.MNS.Z. 1987-05-14T00:25:40.50 10.0 undecidable manual PG 357 0.7437 -0.5 1
--.CP9.Z. 1987-05-14T00:25:37.00 10.0 undecidable manual SG 36 0.2664 0.09 0.9
--.RMP.Z. 1987-05-14T00:25:34.50 10.0 undecidable manual SG 353 0.1665 0.92 0.2
--.CP9.Z. 1987-05-14T00:25:33.00 10.0 undecidable manual PG 36 0.2664 0.68 0.8
--.RDP.Z. 1987-05-14T00:25:31.30 10.0 undecidable manual SG 355 0.1221 -0.58 0.6
--.RMP.Z. 1987-05-14T00:25:30.50 10.0 undecidable manual PG 353 0.1665 0.11 2.3
--.RDP.Z. 1987-05-14T00:25:29.00 10.0 undecidable manual PG 355 0.1221 -0.41 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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