Earthquake with magnitude of Md 2.3 on date 25-10-1990 and time 06:37:46 (Italy) in region 3 km E Capitignano (AQ)

A magnitude Md 2.3 earthquake occured in region: 3 km E Capitignano (AQ), on

  • 25-10-1990 05:37:46 (UTC)
  • 25-10-1990 06:37:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5240, 13.3380 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
Capitignano AQ 3 665 665
Campotosto AQ 5 542 1207
Montereale AQ 8 2581 3788
Barete AQ 9 737 4525
Pizzoli AQ 10 4326 8851
Cagnano Amiterno AQ 12 1369 10220
Crognaleto TE 12 1297 11517
Amatrice RI 13 2657 14174
Fano Adriano TE 17 296 14470
Borbona RI 17 617 15087
Cortino TE 18 656 15743
Pietracamela TE 18 271 16014
Cittareale RI 18 482 16496
Scoppito AQ 18 3727 20223
Posta RI 20 694 20917
L'Aquila AQ 20 69753 90670

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
71 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 1990-10-25
05:37:46
42.524 13.338 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 129379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-25 05:37:46 ± 0.239
Latitude 42.5240 ± 0.0159
Longitude 13.3380 ± 0.0173
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129379

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) 2267.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00615
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 1
Type of magnitude Md
Reference to an origin 129379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CIO.Z. 1990-10-25T05:38:11.70 10.0 undecidable manual SG 348 0.6882 0.48 0.1
--.MNS.Z. 1990-10-25T05:38:05.50 10.0 undecidable manual SG 254 0.4995 0.08 0.6
--.RM8.Z. 1990-10-25T05:38:02.89 10.0 undecidable manual SG 347 0.4329 -0.46 0.1
--.CIO.Z. 1990-10-25T05:38:00.60 10.0 undecidable manual PG 348 0.6882 -0.12 1.2
--.ALP.Z. 1990-10-25T05:37:58.60 10.0 undecidable manual SG 33 0.3108 0.31 0.4
--.MNS.Z. 1990-10-25T05:37:57.50 10.0 undecidable manual PG 254 0.4995 0.13 1.4
--.RM8.Z. 1990-10-25T05:37:55.94 10.0 undecidable manual PG 347 0.4329 -0.23 1
--.ALP.Z. 1990-10-25T05:37:53.20 10.0 undecidable manual PG 33 0.3108 -0.05 3.2
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