Earthquake with magnitude of Md 2.3 on date 11-08-2001 and time 00:11:19 (Italy) in region 4 km SE Monteleone di Spoleto (PG)

A magnitude Md 2.3 earthquake occured in region: 4 km SE Monteleone di Spoleto (PG), on

  • 10-08-2001 22:11:19 (UTC)
  • 11-08-2001 00:11:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6210, 12.9760 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
Monteleone di Spoleto PG 4 599 599
Leonessa RI 7 2435 3034
Poggiodomo PG 11 117 3151
Cascia PG 11 3217 6368
Polino TR 11 233 6601
Posta RI 15 694 7295
Poggio Bustone RI 15 2055 9350
Cittareale RI 15 482 9832
Ferentillo TR 15 1913 11745
Rivodutri RI 15 1253 12998
Scheggino PG 16 461 13459
Morro Reatino RI 16 373 13832
Sant'Anatolia di Narco PG 17 564 14396
Arrone TR 17 2763 17159
Montefranco TR 17 1276 18435
Borbona RI 18 617 19052
Labro RI 18 374 19426
Cantalice RI 18 2755 22181
Vallo di Nera PG 19 364 22545
Micigliano RI 20 127 22672

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Terni (111501 inhabitants)
43 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
60 Km W of Teramo (54892 inhabitants)
72 Km N of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
74 Km N of Tivoli (56533 inhabitants)
75 Km E of Viterbo (67173 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
97 Km W of Montesilvano (53738 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 2001-08-10
22:11:19
42.621 12.976 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 425909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-08-10 22:11:19 ± 0.102
Latitude 42.6210 ± 0.0052
Longitude 12.9760 ± 0.0094
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 425909

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) 965.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00445
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 2
Type of magnitude Md
Reference to an origin 425909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:41:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 2001-08-10T22:11:37.92 10.0 undecidable manual SG 331 0.4995 -0.12 0.5
--.AQU.Z. 2001-08-10T22:11:34.66 10.0 undecidable manual SG 130 0.3996 -0.38 0.2
--.MNS.Z. 2001-08-10T22:11:31.51 10.0 undecidable manual SG 222 0.3108 -0.04 0.6
--.ASS.Z. 2001-08-10T22:11:29.43 10.0 positive manual PG 331 0.4995 -0.59 0.9
--.AQU.Z. 2001-08-10T22:11:28.13 10.0 undecidable manual PG 130 0.3996 -0.16 1.2
--.NRCA.Z. 2001-08-10T22:11:28.37 10.0 undecidable manual SG 25 0.2331 0.06 0.5
--.MNS.Z. 2001-08-10T22:11:26.44 10.0 positive manual PG 222 0.3108 0.16 2.3
--.NRCA.Z. 2001-08-10T22:11:24.69 10.0 positive manual PG 25 0.2331 0.28 1.7
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