Earthquake with magnitude of Md 3.0 on date 06-03-1991 and time 04:19:31 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude Md 3.0 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 06-03-1991 03:19:31 (UTC)
  • 06-03-1991 04:19:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.293, 15.806 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
52 Km NE of Siracusa (122291 inhabitants)
67 Km SE of Acireale (52622 inhabitants)
68 Km E of Catania (314555 inhabitants)
92 Km S 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 3.0
M 2.6
1991-03-06
03:19:31
37.293 15.806 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 137159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-03-06 03:19:31 ± 0.549
Latitude 37.2930 ± 0.0290
Longitude 15.8060 ± 0.0286
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 137159

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) 4096.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00696
Epicentral distance of station farthest from the epicenter (degree) 0.05148
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 9
Type of magnitude Md
Reference to an origin 137159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:07:53

M:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 137159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:35:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VLS.Z. 1991-03-06T03:21:12.00 10.0 undecidable manual SN 74 0.0349 -2.28 0
--.LCI.Z. 1991-03-06T03:21:04.96 10.0 undecidable manual SN 29 0.0317 -0.95 0.3
--.VLI.Z. 1991-03-06T03:20:57.20 10.0 undecidable manual PN 93 0.0515 1.13 0.4
--.KZN.Z. 1991-03-06T03:20:54.00 10.0 undecidable manual PN 54 0.0498 0.45 0.8
--.OHR.Z. 1991-03-06T03:20:50.80 10.0 undecidable manual PN 43 0.0489 -1.33 0.3
--.VLS.Z. 1991-03-06T03:20:30.00 10.0 undecidable manual PN 74 0.0349 -0.83 0.7
--.BRT.Z. 1991-03-06T03:20:27.40 10.0 undecidable manual PN 15 0.0335 -1.67 0.2
--.LCI.Z. 1991-03-06T03:20:24.77 10.0 undecidable manual PN 29 0.0317 -1.23 0.4
--.SGO.Z. 1991-03-06T03:20:23.60 10.0 undecidable manual PN 352 0.0295 0.93 0.7
--.GIB.Z. 1991-03-06T03:20:20.27 10.0 undecidable manual SN 296 0.0141 0.96 0.3
--.ORI.Z. 1991-03-06T03:20:16.95 10.0 undecidable manual PN 9 0.0252 0.97 0.7
--.MGR.Z. 1991-03-06T03:20:16.45 10.0 undecidable manual PN 355 0.0256 -0.21 1.3
--.TDS.Z. 1991-03-06T03:20:10.99 10.0 undecidable manual PN 9 0.0216 0.48 1.2
--.MNO.Z. 1991-03-06T03:20:07.58 10.0 undecidable manual SN 305 0.0097 -0.25 0.6
--.CZI.Z. 1991-03-06T03:20:05.40 10.0 positive manual PN 6 0.0174 1.21 0.6
--.SC9.Z. 1991-03-06T03:20:03.76 10.0 undecidable manual SG 355 0.0087 -0.65 0.5
--.FAI.Z. 1991-03-06T03:20:02.13 10.0 undecidable manual PN 269 0.0152 1.27 0.5
--.ATN.Z. 1991-03-06T03:20:01.81 10.0 undecidable manual SG 342 0.0081 -0.68 0.4
--.GIB.Z. 1991-03-06T03:20:00.60 10.0 undecidable manual PN 296 0.0141 0.96 0.8
--.GRI.Z. 1991-03-06T03:19:59.34 10.0 undecidable manual PN 16 0.0144 -0.2 1.5
--.SA1.Z. 1991-03-06T03:19:58.29 10.0 undecidable manual PN 328 0.0133 0.4 1.4
--.SOI.Z. 1991-03-06T03:19:58.54 10.0 undecidable manual SG 13 0.0072 -0.7 0.5
--.MEU.Z. 1991-03-06T03:19:56.88 10.0 undecidable manual SG 256 0.0071 -2.12 0
--.DR2.Z. 1991-03-06T03:19:56.15 10.0 negative manual PN 3 0.0121 0.02 1.5
--.RI2.Z. 1991-03-06T03:19:55.50 10.0 positive manual PN 24 0.0112 0.41 2.7
--.MNO.Z. 1991-03-06T03:19:52.68 10.0 undecidable manual PN 305 0.0097 0.21 1.5
--.ATN.Z. 1991-03-06T03:19:49.18 10.0 undecidable manual PG 342 0.0081 -0.21 1.5
--.SC9.Z. 1991-03-06T03:19:49.72 10.0 undecidable manual PG 355 0.0087 -0.78 1
--.GA2.Z. 1991-03-06T03:19:48.50 10.0 negative manual PG 0 0.0079 -0.31 2.9
--.FE2.Z. 1991-03-06T03:19:47.60 10.0 positive manual PG 15 0.007 0.58 2.4
--.SOI.Z. 1991-03-06T03:19:47.57 10.0 positive manual PG 13 0.0072 0.06 3.1
--.MEU.Z. 1991-03-06T03:19:46.29 10.0 positive manual PG 256 0.0071 -1.08 1.4
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