Earthquake with magnitude of Md 2.5 on date 08-05-2001 and time 08:37:36 (Italy) in region 4 km NE Poggio Bustone (RI)

A magnitude Md 2.5 earthquake occured in region: 4 km NE Poggio Bustone (RI), on

  • 08-05-2001 06:37:36 (UTC)
  • 08-05-2001 08:37:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5400, 12.9090 at 4 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
Rivodutri RI 5 1253 3308
Leonessa RI 5 2435 5743
Morro Reatino RI 6 373 6116
Polino TR 7 233 6349
Cantalice RI 8 2755 9104
Labro RI 9 374 9478
Colli sul Velino RI 11 533 10011
Arrone TR 12 2763 12774
Monteleone di Spoleto PG 13 599 13373
Montefranco TR 13 1276 14649
Ferentillo TR 13 1913 16562
Greccio RI 15 1558 18120
Rieti RI 15 47698 65818
Micigliano RI 16 127 65945
Posta RI 16 694 66639
Cittaducale RI 17 6828 73467
Contigliano RI 18 3783 77250
Borbona RI 19 617 77867
Castel Sant'Angelo RI 19 1308 79175
Poggiodomo PG 19 117 79292
Borgo Velino RI 19 972 80264
Antrodoco RI 20 2588 82852

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Terni (111501 inhabitants)
45 Km W of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
62 Km N of Guidonia Montecelio (88673 inhabitants)
65 Km N of Tivoli (56533 inhabitants)
67 Km W of Teramo (54892 inhabitants)
67 Km E of Viterbo (67173 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
80 Km NE of Roma (2864731 inhabitants)
95 Km N of Velletri (53303 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 2.5
ML-VAX 1.6
2001-05-08
06:37:36
42.54 12.909 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 417499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-05-08 06:37:36 ± 0.174
Latitude 42.5400 ± 0.0099
Longitude 12.9090 ± 0.0168
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 417499

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) 1764.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00955
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 417499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:33:30

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 417499
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
--.ARV.Z. 2001-05-08T06:38:11.30 10.0 undecidable manual SG 1 0.9546 0.51 0.3
--.SNTG.Z. 2001-05-08T06:38:02.76 10.0 undecidable manual SG 1 0.7104 0.06 0.6
--.SDI.Z. 2001-05-08T06:37:58.31 10.0 undecidable manual PG 140 1.0656 0.09 1.1
--.ASS.Z. 2001-05-08T06:37:57.83 10.0 undecidable manual SG 340 0.5439 0.27 0.6
--.ARV.Z. 2001-05-08T06:37:55.49 10.0 undecidable manual PG 1 0.9546 -0.75 0.4
--.SNTG.Z. 2001-05-08T06:37:51.23 10.0 positive manual PG 1 0.7104 -0.49 1.9
--.AQU.Z. 2001-05-08T06:37:51.76 10.0 undecidable manual SG 116 0.3996 -0.76 0.2
--.PQ9.Z. 2001-05-08T06:37:51.39 10.0 undecidable manual PG 144 0.6327 1.2 0.2
--.NRCA.Z. 2001-05-08T06:37:50.14 10.0 undecidable manual SG 26 0.3219 0.64 0.3
--.ASS.Z. 2001-05-08T06:37:48.80 10.0 undecidable manual PG 340 0.5439 0.04 1.6
--.AQU.Z. 2001-05-08T06:37:45.32 10.0 undecidable manual PG 116 0.3996 -0.53 0.9
--.NRCA.Z. 2001-05-08T06:37:44.42 10.0 positive manual PG 26 0.3219 0.32 2.6
--.MNS.Z. 2001-05-08T06:37:44.98 10.0 undecidable manual SG 227 0.222 -0.67 0.3
--.MNS.Z. 2001-05-08T06:37:42.40 10.0 positive manual PG 227 0.222 0.16 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download