Earthquake with magnitude of Md 2.0 on date 07-12-1988 and time 08:17:15 (Italy) in region 3 km NE Roma (RM)

A magnitude Md 2.0 earthquake occured in region: 3 km NE Roma (RM), on

  • 07-12-1988 07:17:15 (UTC)
  • 07-12-1988 08:17:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9080, 12.5150 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
Roma RM 3 2864731 2864731
Fonte Nuova RM 13 32562 2897293
Ciampino RM 14 38412 2935705
Mentana RM 17 22921 2958626
Frascati RM 18 22087 2980713
Monterotondo RM 18 40830 3021543
Grottaferrata RM 18 20327 3041870
Marino RM 19 43026 3084896
Monte Porzio Catone RM 20 8693 3093589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km NE of Roma (2864731 inhabitants)
20 Km SW of Guidonia Montecelio (88673 inhabitants)
24 Km W of Tivoli (56533 inhabitants)
26 Km N of Pomezia (62966 inhabitants)
27 Km NE of Fiumicino (78395 inhabitants)
33 Km NW of Velletri (53303 inhabitants)
37 Km NW of Aprilia (73446 inhabitants)
52 Km N of Anzio (54211 inhabitants)
59 Km NW of Latina (125985 inhabitants)
63 Km E of Civitavecchia (52991 inhabitants)
66 Km SE of Viterbo (67173 inhabitants)
74 Km S of Terni (111501 inhabitants)
88 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-VAX 2.0
1988-12-07
07:17:15
41.908 12.515 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 82789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-12-07 07:17:15 ± 0.563
Latitude 41.9080 ± 0.0213
Longitude 12.5150 ± 0.0552
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 82789

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) 5147.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00437
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 82789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:17:47

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 82789
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(km) Takeoff_angle Residual Weight
--.MNS.Z. 1988-12-07T07:17:33.51 10.0 undecidable manual SG 14 0.4884 -0.55 0.1
--.MNS.Z. 1988-12-07T07:17:26.50 10.0 undecidable manual PG 14 0.4884 0.33 0.8
--.RDP.Z. 1988-12-07T07:17:24.00 10.0 undecidable manual SG 134 0.2109 0.27 0.5
--.RMP.Z. 1988-12-07T07:17:22.34 10.0 undecidable manual SG 124 0.1665 0.19 0.6
--.RMP.Z. 1988-12-07T07:17:19.80 10.0 positive manual PG 124 0.1665 -0.21 3
--.RDP.Z. 1988-12-07T07:17:19.80 10.0 undecidable manual PG 134 0.2109 -0.41 0.8
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