Earthquake with magnitude of Md 2.3 on date 26-03-1990 and time 00:30:41 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude Md 2.3 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 25-03-1990 22:30:41 (UTC)
  • 26-03-1990 00:30:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7970, 16.3570 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
72 Km SE of Reggio di Calabria (183035 inhabitants)
83 Km SE of Messina (238439 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
ML-VAX 1.9
1990-03-25
22:30:41
37.797 16.357 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 112869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-25 22:30:41 ± 1.155
Latitude 37.7970 ± 0.0613
Longitude 16.3570 ± 0.0457
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 112869

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) 7909.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 282
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00818
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 112869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:44:53

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 112869
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
--.ATN.Z. 1990-03-25T22:31:07.80 10.0 undecidable manual SG 297 0.7881 -1.03 0
--.SC9.Z. 1990-03-25T22:31:06.12 10.0 undecidable manual SG 312 0.6771 0.78 0.1
--.MO9.Z. 1990-03-25T22:31:01.00 10.0 undecidable manual SG 291 0.555 -0.45 0.4
--.DR2.Z. 1990-03-25T22:30:59.75 10.0 negative manual PG 338 0.9102 0.27 2.2
--.ATN.Z. 1990-03-25T22:30:57.30 10.0 undecidable manual PG 297 0.7881 0.02 1.5
--.SC9.Z. 1990-03-25T22:30:55.61 10.0 undecidable manual PG 312 0.6771 0.35 1.1
--.MO9.Z. 1990-03-25T22:30:53.31 10.0 undecidable manual PG 291 0.555 0.3 1.3
--.RI2.Z. 1990-03-25T22:30:53.75 10.0 undecidable manual PG 8 0.6216 -0.52 0.7
--.GA2.Z. 1990-03-25T22:30:52.71 10.0 negative manual PG 311 0.5439 -0.22 2.8
--.FE2.Z. 1990-03-25T22:30:51.00 10.0 undecidable manual PG! 318 0.3108 2.42 0
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