Earthquake with magnitude of Md 2.3 on date 05-10-2001 and time 19:54:40 (Italy) in region 4 km SW Cittareale (RI)

A magnitude Md 2.3 earthquake occured in region: 4 km SW Cittareale (RI), on

  • 05-10-2001 17:54:40 (UTC)
  • 05-10-2001 19:54:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5960, 13.1210 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
Cittareale RI 4 482 482
Posta RI 8 694 1176
Borbona RI 9 617 1793
Montereale AQ 13 2581 4374
Leonessa RI 13 2435 6809
Amatrice RI 14 2657 9466
Monteleone di Spoleto PG 15 599 10065
Accumoli RI 15 667 10732
Cascia PG 16 3217 13949
Micigliano RI 17 127 14076
Capitignano AQ 17 665 14741
Cagnano Amiterno AQ 17 1369 16110
Poggiodomo PG 20 117 16227
Antrodoco RI 20 2588 18815

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
39 Km E of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
86 Km E of Viterbo (67173 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 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 2001-10-05
17:54:40
42.596 13.121 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 428599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-10-05 17:54:40 ± 0.394
Latitude 42.5960 ± 0.0217
Longitude 13.1210 ± 0.0425
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 428599

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) 4235.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00818
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 428599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:44:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 2001-10-05T17:55:12.93 10.0 undecidable manual SG 351 0.9102 1.14 0.2
--.ARV.Z. 2001-10-05T17:55:00.19 10.0 undecidable manual PG 351 0.9102 1.57 0.2
--.MNS.Z. 2001-10-05T17:54:55.74 10.0 undecidable manual SG 237 0.3885 0.77 0.4
--.NRCA.Z. 2001-10-05T17:54:49.47 10.0 undecidable manual SG 358 0.2331 -0.68 0.4
--.AQU.Z. 2001-10-05T17:54:48.30 10.0 undecidable manual PG 139 0.3108 0.38 1.4
--.MNS.Z. 2001-10-05T17:54:48.53 10.0 positive manual PG 237 0.3885 -0.38 2.7
--.NRCA.Z. 2001-10-05T17:54:45.15 10.0 positive manual PG 358 0.2331 -0.98 1.6
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