Earthquake with magnitude of Md 2.4 on date 28-04-1990 and time 14:10:34 (UTC) in region 4 km W Montereale (AQ)

A magnitude Md 2.4 earthquake occured in region: 4 km W Montereale (AQ), on

  • 28-04-1990 14:10:34 (UTC)
  • 28-04-1990 16:10:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5270, 13.1990 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
Montereale AQ 4 2581 2581
Borbona RI 6 617 3198
Cagnano Amiterno AQ 8 1369 4567
Posta RI 8 694 5261
Capitignano AQ 8 665 5926
Cittareale RI 11 482 6408
Barete AQ 11 737 7145
Pizzoli AQ 13 4326 11471
Amatrice RI 14 2657 14128
Micigliano RI 14 127 14255
Campotosto AQ 15 542 14797
Antrodoco RI 16 2588 17385
Borgo Velino RI 18 972 18357
Scoppito AQ 18 3727 22084
Accumoli RI 19 667 22751
Leonessa RI 20 2435 25186

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
82 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
100 Km NE of Velletri (53303 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 2.4 1990-04-28
14:10:34
42.527 13.199 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 115389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-04-28 14:10:34 ± 0.339
Latitude 42.5270 ± 0.0198
Longitude 13.1990 ± 0.0232
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 115389

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) 2908.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00599
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 115389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:47:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CIO.Z. 1990-04-28T14:10:58.31 10.0 undecidable manual SG 356 0.666 0.09 0.5
--.MNS.Z. 1990-04-28T14:10:51.00 10.0 undecidable manual SG 249 0.3996 1.16 0
--.RM8.Z. 1990-04-28T14:10:50.88 10.0 undecidable manual SG 1 0.4218 0.42 0.4
--.ALP.Z. 1990-04-28T14:10:48.72 10.0 undecidable manual SG 47 0.3663 0.06 0.7
--.CIO.Z. 1990-04-28T14:10:47.85 10.0 undecidable manual PG 356 0.666 -0.49 0.7
--.MNS.Z. 1990-04-28T14:10:43.00 10.0 undecidable manual PG 249 0.3996 -0.5 0.8
--.RM8.Z. 1990-04-28T14:10:43.83 10.0 undecidable manual PG 1 0.4218 -0.04 1.7
--.ALP.Z. 1990-04-28T14:10:42.98 10.0 positive manual PG 47 0.3663 0.16 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