Earthquake with magnitude of Md 2.5 on date 26-08-2001 and time 22:18:29 (Italy) in region 5 km NW Fossa (AQ)

A magnitude Md 2.5 earthquake occured in region: 5 km NW Fossa (AQ), on

  • 26-08-2001 20:18:29 (UTC)
  • 26-08-2001 22:18:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3320, 13.4640 at 13 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
Fossa AQ 5 721 721
Ocre AQ 5 1167 1888
L'Aquila AQ 6 69753 71641
Poggio Picenze AQ 7 1136 72777
Sant'Eusanio Forconese AQ 7 394 73171
Villa Sant'Angelo AQ 9 424 73595
San Demetrio ne' Vestini AQ 9 1854 75449
Barisciano AQ 11 1828 77277
Rocca di Cambio AQ 11 533 77810
Lucoli AQ 11 1011 78821
Fagnano Alto AQ 13 418 79239
Prata d'Ansidonia AQ 13 496 79735
Tornimparte AQ 14 3187 82922
Rocca di Mezzo AQ 14 1526 84448
Santo Stefano di Sessanio AQ 15 111 84559
Fontecchio AQ 16 369 84928
San Pio delle Camere AQ 17 661 85589
Scoppito AQ 18 3727 89316
Pizzoli AQ 18 4326 93642
Carapelle Calvisio AQ 18 87 93729
Castelvecchio Calvisio AQ 19 153 93882
Calascio AQ 19 137 94019
Caporciano AQ 19 230 94249

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km E of Terni (111501 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
93 Km SE of Foligno (57155 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 2.5 2001-08-26
20:18:29
42.332 13.464 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 426699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-08-26 20:18:29 ± 0.383
Latitude 42.3320 ± 0.0211
Longitude 13.4640 ± 0.0520
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 426699

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) 4871.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.01101
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 426699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:42:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 2001-08-26T20:19:02.57 10.0 undecidable manual SG 320 0.9324 0.45 0.4
--.SDI.Z. 2001-08-26T20:18:53.10 10.0 undecidable manual SG 157 0.666 -0.35 0.5
--.ARV.Z. 2001-08-26T20:18:53.98 10.0 undecidable manual PN 342 1.221 1.47 0.2
--.ASS.Z. 2001-08-26T20:18:49.29 10.0 undecidable manual PG 320 0.9324 0.78 0.8
--.NRCA.Z. 2001-08-26T20:18:48.54 10.0 undecidable manual SG 332 0.555 -1.39 0.2
--.RVI2.Z. 2001-08-26T20:18:47.31 10.0 undecidable manual PG 149 0.8214 1.02 0.6
--.SDI.Z. 2001-08-26T20:18:43.33 10.0 undecidable manual PG 157 0.666 -0.18 1.4
--.PTQR.Z. 2001-08-26T20:18:42.31 10.0 undecidable manual SG 188 0.3108 0.36 0.6
--.MNS.Z. 2001-08-26T20:18:41.71 10.0 undecidable manual PG 275 0.5772 -0.1 1.5
--.NRCA.Z. 2001-08-26T20:18:40.29 10.0 positive manual PG 332 0.555 -1.19 1.2
--.VVLD.Z. 2001-08-26T20:18:38.45 10.0 undecidable manual PG 165 0.4773 -1.45 0.4
--.PTQR.Z. 2001-08-26T20:18:36.82 10.0 positive manual PG 188 0.3108 -0.05 3.1
--.AQU.Z. 2001-08-26T20:18:34.88 10.0 undecidable manual SG 295 0.0444 0.31 0.6
--.AQU.Z. 2001-08-26T20:18:33.17 10.0 negative manual PG 295 0.0444 0.57 2.5
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