Earthquake with magnitude of Md 2.4 on date 30-11-1990 and time 15:56:27 (Italy) in region 4 km E Poggio Bustone (RI)

A magnitude Md 2.4 earthquake occured in region: 4 km E Poggio Bustone (RI), on

  • 30-11-1990 14:56:27 (UTC)
  • 30-11-1990 15:56:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5090, 12.9410 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
Poggio Bustone RI 5 2055 2055
Cantalice RI 5 2755 4810
Leonessa RI 6 2435 7245
Rivodutri RI 7 1253 8498
Morro Reatino RI 9 373 8871
Micigliano RI 11 127 8998
Labro RI 12 374 9372
Polino TR 12 233 9605
Posta RI 13 694 10299
Rieti RI 13 47698 57997
Colli sul Velino RI 13 533 58530
Cittaducale RI 14 6828 65358
Castel Sant'Angelo RI 15 1308 66666
Borgo Velino RI 15 972 67638
Antrodoco RI 15 2588 70226
Greccio RI 15 1558 71784
Borbona RI 16 617 72401
Monteleone di Spoleto PG 16 599 73000
Arrone TR 16 2763 75763
Montefranco TR 17 1276 77039
Ferentillo TR 18 1913 78952
Contigliano RI 18 3783 82735

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Terni (111501 inhabitants)
42 Km W of L'Aquila (69753 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
59 Km NE of Guidonia Montecelio (88673 inhabitants)
62 Km N of Tivoli (56533 inhabitants)
65 Km W of Teramo (54892 inhabitants)
69 Km E of Viterbo (67173 inhabitants)
78 Km NE of Roma (2864731 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
92 Km N of Velletri (53303 inhabitants)
99 Km W of Montesilvano (53738 inhabitants)
100 Km NE of Pomezia (62966 inhabitants)
100 Km NE of Fiumicino (78395 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 2.4 1990-11-30
14:56:27
42.509 12.941 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 131819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-11-30 14:56:27 ± 0.318
Latitude 42.5090 ± 0.0166
Longitude 12.9410 ± 0.0280
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 131819

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) 2945.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00923
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 131819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:02:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1990-11-30T14:57:02.00 10.0 undecidable manual SG 140 1.0212 0.02 0.6
--.ARV.Z. 1990-11-30T14:57:00.00 10.0 undecidable manual SG 359 0.9879 -0.78 0.4
--.RMP.Z. 1990-11-30T14:56:53.20 10.0 undecidable manual SG 194 0.7104 1.09 0.3
--.ASS.Z. 1990-11-30T14:56:49.00 10.0 undecidable manual SG 338 0.5883 0.96 0.3
--.SDI.Z. 1990-11-30T14:56:47.00 10.0 undecidable manual PG 140 1.0212 -0.24 1.5
--.ARV.Z. 1990-11-30T14:56:45.50 10.0 undecidable manual PG 359 0.9879 -1.05 0.6
--.RMP.Z. 1990-11-30T14:56:42.00 10.0 undecidable manual PG 194 0.7104 0.46 1.6
--.ASS.Z. 1990-11-30T14:56:40.50 10.0 undecidable manual PG 338 0.5883 1.31 0.4
--.MNS.Z. 1990-11-30T14:56:35.50 10.0 undecidable manual SG 237 0.222 -0.85 0.6
--.MNS.Z. 1990-11-30T14:56:32.20 10.0 negative manual PG 237 0.222 -0.24 3.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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