Earthquake with magnitude of Md 3.4 on date 01-08-1990 and time 20:33:15 (UTC) in region Isole Eolie (Messina)

A magnitude Md 3.4 earthquake occured in region: Isole Eolie (Messina), on

  • 01-08-1990 20:33:15 (UTC)
  • 01-08-1990 22:33:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.773, 14.993 at 330 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
81 Km NW of Messina (238439 inhabitants)
93 Km NW of Reggio di Calabria (183035 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 3.4
ML-VAX 2.6
1990-08-01
20:33:15
38.773 14.993 330 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 124159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-08-01 20:33:15 ± 1.185
Latitude 38.7730 ± 0.0374
Longitude 14.9930 ± 0.0608
Depth (km) 330 ± 11 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 124159

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) 6719.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00639
Epicentral distance of station farthest from the epicenter (degree) 0.07925
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 124159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:55:21

ML:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 124159
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 Takeoff_angle Residual Weight
--.BNI.Z. 1990-08-01T20:35:25.83 10.0 undecidable manual P 318 0.0792 -0.28 0.7
--.ORO.Z. 1990-08-01T20:35:22.00 10.0 undecidable manual P 325 0.0773 -1.15 0.3
--.FVI.Z. 1990-08-01T20:35:14.00 10.0 undecidable manual P 349 0.0718 -1.29 0.3
--.CKI.Z. 1990-08-01T20:35:08.50 10.0 undecidable manual P ? 320 0.0679 -1.14 0.1
--.LCI.Z. 1990-08-01T20:34:56.00 10.0 undecidable manual S 56 0.0257 -1.05 0.3
--.BRT.Z. 1990-08-01T20:34:52.78 10.0 undecidable manual S 37 0.024 -1.14 0.3
--.ORI.Z. 1990-08-01T20:34:38.32 10.0 undecidable manual S 41 0.0152 -1.63 0.1
--.ASS.Z. 1990-08-01T20:34:34.50 10.0 undecidable manual P 338 0.0417 1 0.6
--.SDI.Z. 1990-08-01T20:34:17.00 10.0 undecidable manual P 343 0.0276 0.76 1
--.LCI.Z. 1990-08-01T20:34:14.65 10.0 positive manual P 56 0.0257 0.48 2.6
--.BAI.Z. 1990-08-01T20:34:13.00 10.0 undecidable manual P 31 0.0247 -0.02 1.5
--.PE1.Z. 1990-08-01T20:34:12.00 10.0 undecidable manual P 42 0.0248 -1.15 0.6
--.BRT.Z. 1990-08-01T20:34:12.32 10.0 undecidable manual P 37 0.024 -0.03 1.5
--.CDT.Z. 1990-08-01T20:34:11.00 10.0 undecidable manual P ? 22 0.0225 0.18 0.6
--.BSS.Z. 1990-08-01T20:34:07.25 10.0 undecidable manual P 356 0.018 0.7 1.1
--.CVT.Z. 1990-08-01T20:34:06.23 10.0 undecidable manual P 238 0.0184 -0.65 1.2
--.FAI.Z. 1990-08-01T20:34:06.00 10.0 positive manual P 215 0.0164 0.8 2
--.SGO.Z. 1990-08-01T20:34:05.96 10.0 negative manual P 7 0.0162 0.95 1.7
--.ORI.Z. 1990-08-01T20:34:05.50 10.0 undecidable manual P 41 0.0152 1.22 0.6
--.PZI.Z. 1990-08-01T20:34:04.74 10.0 negative manual P 181 0.0154 0.33 2.9
--.GIB.Z. 1990-08-01T20:34:04.00 10.0 positive manual P ! 224 0.0098 3.36 0
--.MGR.Z. 1990-08-01T20:34:03.00 10.0 undecidable manual P 17 0.0129 0.49 1.3
--.TDS.Z. 1990-08-01T20:34:02.81 10.0 positive manual P 49 0.0123 0.68 2.3
--.GRI.Z. 1990-08-01T20:34:01.37 10.0 undecidable manual P 87 0.01 0.61 1.2
--.MNO.Z. 1990-08-01T20:33:59.00 10.0 undecidable manual P 195 0.0078 -0.68 1.1
--.SOI.Z. 1990-08-01T20:33:59.00 10.0 undecidable manual P 130 0.0097 -1.63 0.3
--.MO9.Z. 1990-08-01T20:33:58.62 10.0 undecidable manual P 144 0.0085 -1.37 0.4
--.ATN.Z. 1990-08-01T20:33:58.50 10.0 undecidable manual P 149 0.0064 -0.61 1.2
--.SC9.Z. 1990-08-01T20:33:58.80 10.0 undecidable manual P 132 0.0069 -0.48 1.3
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