Earthquake with magnitude of Md 2.5 on date 10-12-2001 and time 18:25:52 (Italy) in region 8 km E Monteleone di Spoleto (PG)

A magnitude Md 2.5 earthquake occured in region: 8 km E Monteleone di Spoleto (PG), on

  • 10-12-2001 17:25:52 (UTC)
  • 10-12-2001 18:25:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.64, 13.04 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
Monteleone di Spoleto PG 8 599 599
Cascia PG 10 3217 3816
Cittareale RI 10 482 4298
Leonessa RI 11 2435 6733
Poggiodomo PG 12 117 6850
Posta RI 13 694 7544
Borbona RI 16 617 8161
Polino TR 17 233 8394
Norcia PG 18 4957 13351
Accumoli RI 18 667 14018
Scheggino PG 19 461 14479
Poggio Bustone RI 20 2055 16534

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
54 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
98 Km W of Chieti (51815 inhabitants)
98 Km W of Pescara (121014 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
Rev 1000 Md 2.5 2001-12-10
17:25:52
42.64 13.04 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 432929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-12-10 17:25:52 ± 0.052
Latitude 42.64 ± 0.00
Longitude 13.04 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 432929

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) 552.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00559
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 432929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:48:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 2001-12-10T17:26:14.61 10.0 undecidable manual SG 353 0.0056 0.16 0.2
--.ASS.Z. 2001-12-10T17:26:11.90 10.0 undecidable manual SG 326 0.0046 0.14 0.3
--.MNS.Z. 2001-12-10T17:26:06.30 10.0 undecidable manual SG 226 0.0032 0.04 0.5
--.AQU.Z. 2001-12-10T17:26:06.99 10.0 undecidable manual SG 136 0.0035 0.1 0.4
--.SNTG.Z. 2001-12-10T17:26:04.83 10.0 undecidable manual PG 353 0.0056 -0.37 0
--.ASS.Z. 2001-12-10T17:26:03.20 10.0 positive manual PG 326 0.0046 0.03 2.4
--.AQU.Z. 2001-12-10T17:26:00.79 10.0 undecidable manual PG 136 0.0035 -0.04 1.3
--.NRCA.Z. 2001-12-10T17:26:00.84 10.0 undecidable manual SG 14 0.0018 -0.15 0.3
--.MNS.Z. 2001-12-10T17:26:00.46 10.0 positive manual PG 226 0.0032 -0.01 2.7
--.NRCA.Z. 2001-12-10T17:25:57.56 10.0 positive manual PG 14 0.0018 0.13 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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