Earthquake with magnitude of Md 2.2 on date 24-02-1990 and time 09:23:27 (Italy) in region 3 km W Campotosto (AQ)

A magnitude Md 2.2 earthquake occured in region: 3 km W Campotosto (AQ), on

  • 24-02-1990 08:23:27 (UTC)
  • 24-02-1990 09:23:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5640, 13.3370 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
Campotosto AQ 3 542 542
Capitignano AQ 6 665 1207
Amatrice RI 8 2657 3864
Montereale AQ 9 2581 6445
Crognaleto TE 12 1297 7742
Barete AQ 13 737 8479
Pizzoli AQ 15 4326 12805
Cagnano Amiterno AQ 15 1369 14174
Cortino TE 16 656 14830
Cittareale RI 16 482 15312
Accumoli RI 16 667 15979
Fano Adriano TE 17 296 16275
Borbona RI 18 617 16892
Pietracamela TE 18 271 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km SE of Perugia (166134 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 2.2 1990-02-24
08:23:27
42.564 13.337 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 110749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-24 08:23:27 ± 0.324
Latitude 42.5640 ± 0.0145
Longitude 13.3370 ± 0.0417
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 110749

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) 3775.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00575
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 110749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CIO.Z. 1990-02-24T08:23:52.00 10.0 undecidable manual SG 347 0.6327 1.58 0.1
--.RM8.Z. 1990-02-24T08:23:43.90 10.0 undecidable manual SG 346 0.3996 0.54 0.7
--.CIO.Z. 1990-02-24T08:23:40.11 10.0 undecidable manual PG 347 0.6327 -0.74 0.7
--.ALP.Z. 1990-02-24T08:23:38.90 10.0 undecidable manual SG 38 0.2664 0.41 0.8
--.AQU.Z. 1990-02-24T08:23:36.39 10.0 undecidable manual SG 167 0.2109 -0.21 0.6
--.RM8.Z. 1990-02-24T08:23:35.84 10.0 undecidable manual PG 346 0.3996 -0.46 2.6
--.AQU.Z. 1990-02-24T08:23:33.54 10.0 undecidable manual PG 167 0.2109 0.67 1
--.ALP.Z. 1990-02-24T08:23:33.52 10.0 undecidable manual PG 38 0.2664 -0.44 1.4
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