Earthquake with magnitude of Md 1.9 on date 05-04-1990 and time 10:26:26 (UTC) in region Tirreno Meridionale (MARE)

A magnitude Md 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 05-04-1990 10:26:26 (UTC)
  • 05-04-1990 12:26:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4700, 15.3730 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Messina (238439 inhabitants)
47 Km NW of Reggio di Calabria (183035 inhabitants)
97 Km N of Acireale (52622 inhabitants)
100 Km SW of Lamezia Terme (70714 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 1.9
ML-VAX 2.0
1990-04-05
10:26:26
38.47 15.373 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 113529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-04-05 10:26:26 ± 0.224
Latitude 38.4700 ± 0.0111
Longitude 15.3730 ± 0.0205
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 113529

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) 2171.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00858
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 113529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:45:31

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 113529
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
--.MNO.Z. 1990-04-05T10:26:52.00 10.0 undecidable manual SG 225 0.7548 -0.48 0.3
--.CZI.Z. 1990-04-05T10:26:44.63 10.0 negative manual PG 38 0.9546 -0.45 1.3
--.MO9.Z. 1990-04-05T10:26:44.92 10.0 undecidable manual SG 151 0.5328 -0.35 0.4
--.MNO.Z. 1990-04-05T10:26:41.85 10.0 undecidable manual PG 225 0.7548 0.44 0.8
--.ATN.Z. 1990-04-05T10:26:37.86 10.0 undecidable manual SG 167 0.3108 -0.61 0.2
--.MO9.Z. 1990-04-05T10:26:37.24 10.0 undecidable manual PG 151 0.5328 -0.01 1.7
--.DR2.Z. 1990-04-05T10:26:36.55 10.0 positive manual PG 68 0.4662 0.43 1.8
--.ATN.Z. 1990-04-05T10:26:33.50 10.0 undecidable manual PG 167 0.3108 0.18 1.5
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