Earthquake with magnitude of ML-VAX 1.9 on date 09-08-1998 and time 04:19:27 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML-VAX 1.9 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 09-08-1998 02:19:27 (UTC)
  • 09-08-1998 04:19:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3310, 16.5430 at 85 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
Riace RC 11 2238 2238
Stignano RC 12 1335 3573
Placanica RC 12 1200 4773
Roccella Ionica RC 12 6557 11330
Camini RC 13 801 12131
Caulonia RC 13 7110 19241
Monasterace RC 14 3454 22695
Stilo RC 18 2622 25317
Pazzano RC 18 568 25885
Bivongi RC 19 1398 27283
Marina di Gioiosa Ionica RC 19 6625 33908
Guardavalle CZ 20 4560 38468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km S of Catanzaro (90612 inhabitants)
74 Km S of Lamezia Terme (70714 inhabitants)
82 Km E of Reggio di Calabria (183035 inhabitants)
88 Km E of Messina (238439 inhabitants)
98 Km SW of Crotone (62178 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
ML-VAX 1.9 1998-08-09
02:19:27
38.331 16.543 85 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 347419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-08-09 02:19:27 ± 0.456
Latitude 38.3310 ± 0.0211
Longitude 16.5430 ± 0.0470
Depth (km) 85 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 347419

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) 4722.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00413
Epicentral distance of station farthest from the epicenter (degree) 0.02299
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 347419
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
--.MU9.Z. 1998-08-09T02:20:07.00 10.0 undecidable manual P 341 2.553 -0.35 0.3
--.SGO.Z. 1998-08-09T02:20:05.61 10.0 undecidable manual P 336 2.4198 0.13 1
--.SL9.Z. 1998-08-09T02:20:02.51 10.0 undecidable manual P 341 2.1645 0.31 0.4
--.MGR.Z. 1998-08-09T02:19:59.23 10.0 undecidable manual P 337 1.9536 -0.1 1.3
--.SOI.Z. 1998-08-09T02:19:52.00 10.0 undecidable manual S 235 0.4551 -0.01 0.7
--.GRI.Z. 1998-08-09T02:19:42.30 10.0 undecidable manual P 348 0.4995 0 1.7
--.SOI.Z. 1998-08-09T02:19:41.72 10.0 undecidable manual P 235 0.4551 0 1.7
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