Earthquake with magnitude of Md 2.4 on date 23-05-1990 and time 02:32:32 (UTC) in region 5 km SW Tornimparte (AQ)

A magnitude Md 2.4 earthquake occured in region: 5 km SW Tornimparte (AQ), on

  • 23-05-1990 02:32:32 (UTC)
  • 23-05-1990 04:32:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2560, 13.2730 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
Tornimparte AQ 5 3187 3187
Lucoli AQ 7 1011 4198
Borgorose RI 8 4591 8789
Pescorocchiano RI 12 2075 10864
Fiamignano RI 12 1413 12277
Scoppito AQ 13 3727 16004
L'Aquila AQ 15 69753 85757
Ocre AQ 17 1167 86924
Petrella Salto RI 17 1197 88121
Sante Marie AQ 18 1166 89287
Rocca di Cambio AQ 18 533 89820
Fossa AQ 18 721 90541
Marcetelli RI 19 89 90630
Massa d'Albe AQ 19 1476 92106
Magliano de' Marsi AQ 20 3690 95796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SW of L'Aquila (69753 inhabitants)
51 Km NE of Tivoli (56533 inhabitants)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
57 Km SW of Teramo (54892 inhabitants)
62 Km SE of Terni (111501 inhabitants)
74 Km W of Chieti (51815 inhabitants)
75 Km NE of Velletri (53303 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
90 Km NE of Aprilia (73446 inhabitants)
91 Km SE of Foligno (57155 inhabitants)
91 Km NE of Pomezia (62966 inhabitants)
93 Km NE of Latina (125985 inhabitants)
98 Km E of Viterbo (67173 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
ML-VAX 1.6
1990-05-23
02:32:32
42.256 13.273 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-23 02:32:32 ± 0.186
Latitude 42.2560 ± 0.0108
Longitude 13.2730 ± 0.0179
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119489

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) 1899.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00834
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 119489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:54

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 119489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1990-05-23T02:33:05.00 10.0 undecidable manual SG 330 0.9213 0.3 0.5
--.SDI.Z. 1990-05-23T02:32:56.20 10.0 undecidable manual SG 143 0.6771 -0.65 0.3
--.ASS.Z. 1990-05-23T02:32:51.00 10.0 undecidable manual PG 330 0.9213 0.08 1.5
--.MNS.Z. 1990-05-23T02:32:50.30 10.0 undecidable manual SG 286 0.444 0.43 0.6
--.CP9.Z. 1990-05-23T02:32:49.50 10.0 undecidable manual SG 211 0.4551 -0.68 0.4
--.SDI.Z. 1990-05-23T02:32:46.47 10.0 undecidable manual PG 143 0.6771 0.19 1.8
--.AZI.Z. 1990-05-23T02:32:43.79 10.0 undecidable manual SG 155 0.2886 0.22 0.8
--.CP9.Z. 1990-05-23T02:32:42.57 10.0 undecidable manual PG 211 0.4551 0.3 1.9
--.MNS.Z. 1990-05-23T02:32:41.97 10.0 undecidable manual PG 286 0.444 -0.23 2
--.AZI.Z. 1990-05-23T02:32:39.13 10.0 undecidable manual PG 155 0.2886 0.41 1.6
--.AQU.Z. 1990-05-23T02:32:38.67 10.0 undecidable manual SG 44 0.1332 1.03 0.1
--.AQU.Z. 1990-05-23T02:32:34.29 10.0 undecidable manual PG 44 0.1332 -1 0.3
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