Earthquake with magnitude of Md 2.3 on date 31-08-2000 and time 12:49:43 (Italy) in region 3 km NE Poggio Bustone (RI)

A magnitude Md 2.3 earthquake occured in region: 3 km NE Poggio Bustone (RI), on

  • 31-08-2000 10:49:43 (UTC)
  • 31-08-2000 12:49:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5280, 12.8980 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
Poggio Bustone RI 3 2055 2055
Rivodutri RI 4 1253 3308
Morro Reatino RI 5 373 3681
Cantalice RI 7 2755 6436
Leonessa RI 7 2435 8871
Polino TR 8 233 9104
Labro RI 8 374 9478
Colli sul Velino RI 10 533 10011
Arrone TR 12 2763 12774
Montefranco TR 13 1276 14050
Greccio RI 13 1558 15608
Ferentillo TR 14 1913 17521
Rieti RI 14 47698 65219
Monteleone di Spoleto PG 15 599 65818
Micigliano RI 16 127 65945
Cittaducale RI 16 6828 72773
Posta RI 16 694 73467
Contigliano RI 17 3783 77250
Castel Sant'Angelo RI 18 1308 78558
Borgo Velino RI 19 972 79530
Antrodoco RI 19 2588 82118
Borbona RI 19 617 82735
Stroncone TR 20 4917 87652

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Terni (111501 inhabitants)
46 Km W of L'Aquila (69753 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
60 Km N of Guidonia Montecelio (88673 inhabitants)
63 Km N of Tivoli (56533 inhabitants)
66 Km E of Viterbo (67173 inhabitants)
68 Km W of Teramo (54892 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
78 Km NE of Roma (2864731 inhabitants)
94 Km N of Velletri (53303 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 2.3 2000-08-31
10:49:43
42.528 12.898 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 401989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-08-31 10:49:43 ± 0.216
Latitude 42.5280 ± 0.0116
Longitude 12.8980 ± 0.0233
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 401989

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) 2308.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 401989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:18:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 2000-08-31T10:50:03.99 10.0 undecidable manual SG 341 0.555 0.04 0.6
--.SNTG.Z. 2000-08-31T10:49:57.41 10.0 undecidable manual PG 2 0.7215 -0.72 0.3
--.NRCA.Z. 2000-08-31T10:49:56.90 10.0 undecidable manual SG 27 0.3441 0.55 0.2
--.ASS.Z. 2000-08-31T10:49:55.20 10.0 undecidable manual PG 341 0.555 0.1 1.4
--.MNS.Z. 2000-08-31T10:49:51.36 10.0 undecidable manual SG 228 0.2109 -0.1 0.8
--.NRCA.Z. 2000-08-31T10:49:50.64 10.0 undecidable manual PG 27 0.3441 -0.07 1.9
--.MNS.Z. 2000-08-31T10:49:47.95 10.0 undecidable manual PG 228 0.2109 0.07 1.9
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