Earthquake with magnitude of Md 2.3 on date 25-10-1990 and time 04:23:57 (Italy) in region 4 km SE Capitignano (AQ)

A magnitude Md 2.3 earthquake occured in region: 4 km SE Capitignano (AQ), on

  • 25-10-1990 03:23:57 (UTC)
  • 25-10-1990 04:23:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4950, 13.3350 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
Capitignano AQ 4 665 665
Barete AQ 7 737 1402
Pizzoli AQ 7 4326 5728
Campotosto AQ 8 542 6270
Montereale AQ 8 2581 8851
Cagnano Amiterno AQ 10 1369 10220
Crognaleto TE 13 1297 11517
Scoppito AQ 15 3727 15244
Amatrice RI 16 2657 17901
Borbona RI 17 617 18518
L'Aquila AQ 17 69753 88271
Fano Adriano TE 18 296 88567
Pietracamela TE 18 271 88838
Posta RI 20 694 89532
Cittareale RI 20 482 90014

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
97 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
03:23:57
42.495 13.335 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 129369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-25 03:23:57 ± 0.334
Latitude 42.4950 ± 0.0179
Longitude 13.3350 ± 0.0244
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129369

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) 2823.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00769
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 129369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1990-10-25T03:24:25.50 10.0 undecidable manual SG 155 0.8547 -1.71 0
--.CIO.Z. 1990-10-25T03:24:22.50 10.0 undecidable manual SG 348 0.7104 0.02 0.8
--.SDI.Z. 1990-10-25T03:24:15.50 10.0 undecidable manual PG 155 0.8547 0.78 0.3
--.MNS.Z. 1990-10-25T03:24:15.50 10.0 undecidable manual SG 257 0.4884 0.05 0.6
--.RM8.Z. 1990-10-25T03:24:14.19 10.0 undecidable manual SG 348 0.4662 -0.41 0.4
--.CIO.Z. 1990-10-25T03:24:11.80 10.0 undecidable manual PG 348 0.7104 -0.19 1.2
--.ALP.Z. 1990-10-25T03:24:10.20 10.0 undecidable manual SG 30 0.3219 -0.05 0.9
--.MNS.Z. 1990-10-25T03:24:08.00 10.0 undecidable manual PG 257 0.4884 0.07 1.5
--.RM8.Z. 1990-10-25T03:24:07.30 10.0 undecidable manual PG 348 0.4662 -0.14 1.4
--.ALP.Z. 1990-10-25T03:24:05.10 10.0 undecidable manual PG 30 0.3219 0.17 2.8
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