Earthquake with magnitude of Md 2.5 on date 29-09-2001 and time 01:54:35 (Italy) in region 7 km W Cittareale (RI)

A magnitude Md 2.5 earthquake occured in region: 7 km W Cittareale (RI), on

  • 28-09-2001 23:54:35 (UTC)
  • 29-09-2001 01:54:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6180, 13.0740 at 8 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
Cittareale RI 7 482 482
Monteleone di Spoleto PG 11 599 1081
Posta RI 11 694 1775
Leonessa RI 11 2435 4210
Cascia PG 12 3217 7427
Borbona RI 13 617 8044
Poggiodomo PG 16 117 8161
Accumoli RI 17 667 8828
Montereale AQ 18 2581 11409
Amatrice RI 18 2657 14066
Micigliano RI 19 127 14193
Polino TR 19 233 14426
Norcia PG 20 4957 19383
Poggio Bustone RI 20 2055 21438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Terni (111501 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
52 Km W of Teramo (54892 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
95 Km W of Chieti (51815 inhabitants)
95 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
Bulletin
Rev1000
Md 2.5 2001-09-28
23:54:35
42.618 13.074 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 428249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-09-28 23:54:35 ± 0.249
Latitude 42.6180 ± 0.0080
Longitude 13.0740 ± 0.0168
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 428249

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) 1635.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00979
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 428249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:44:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FSSB.Z. 2001-09-28T23:55:13.84 10.0 undecidable manual SN 348 1.0878 0.73 0.1
--.ARV.Z. 2001-09-28T23:55:06.55 10.0 undecidable manual SG 353 0.8769 -0.2 0.6
--.FSSB.Z. 2001-09-28T23:54:57.00 10.0 undecidable manual PN 348 1.0878 -0.41 0.9
--.SDI.Z. 2001-09-28T23:54:56.97 10.0 undecidable manual PN 148 1.0545 0.05 1.6
--.ARV.Z. 2001-09-28T23:54:53.88 10.0 undecidable manual PG 353 0.8769 0.15 1.7
--.PTQR.Z. 2001-09-28T23:54:49.76 10.0 undecidable manual PG 157 0.6327 0.53 0.9
--.AQU.Z. 2001-09-28T23:54:49.31 10.0 undecidable manual SG 137 0.3552 -0.48 0.4
--.MNS.Z. 2001-09-28T23:54:49.77 10.0 undecidable manual SG 231 0.3663 -0.46 0.4
--.MNS.Z. 2001-09-28T23:54:44.23 10.0 undecidable manual PG 231 0.3663 0.02 2.2
--.NRCA.Z. 2001-09-28T23:54:43.91 10.0 undecidable manual SG 7 0.2109 -0.84 0.1
--.AQU.Z. 2001-09-28T23:54:43.68 10.0 undecidable manual PG 137 0.3552 -0.27 1.7
--.NRCA.Z. 2001-09-28T23:54:41.40 10.0 undecidable manual PG 7 0.2109 0.38 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
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