Earthquake with magnitude of Md 2.3 on date 24-12-1999 and time 22:47:27 (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

  • 24-12-1999 21:47:27 (UTC)
  • 24-12-1999 22:47:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7860, 15.9580 at 27 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
Palizzi RC 15 2480 2480
Bova Marina RC 17 4235 6715

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Reggio di Calabria (183035 inhabitants)
58 Km SE of Messina (238439 inhabitants)
72 Km E of Acireale (52622 inhabitants)
83 Km E of Catania (314555 inhabitants)
100 Km NE of Siracusa (122291 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 2.0
1999-12-24
21:47:27
37.786 15.958 27 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 378649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-12-24 21:47:27 ± 0.256
Latitude 37.7860 ± 0.0210
Longitude 15.9580 ± 0.0245
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 378649

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) 3178.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00988
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 378649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:55:39

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 378649
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
--.PZI.Z. 1999-12-24T21:48:00.59 10.0 undecidable manual SN 228 1.0767 0.05 0.4
--.SC9.Z. 1999-12-24T21:47:47.50 10.0 undecidable manual SG 338 0.4995 0.34 0.3
--.GRI.Z. 1999-12-24T21:47:46.86 10.0 undecidable manual PN 19 1.0989 0.09 1.1
--.PZI.Z. 1999-12-24T21:47:46.39 10.0 undecidable manual PN 228 1.0767 -0.21 0.8
--.SOI.Z. 1999-12-24T21:47:40.42 10.0 undecidable manual SG 14 0.2997 -0.27 0.4
--.MO9.Z. 1999-12-24T21:47:39.92 10.0 undecidable manual SG 316 0.2997 -0.85 0
--.SC9.Z. 1999-12-24T21:47:38.50 10.0 undecidable manual PG 338 0.4995 -0.11 1.4
--.SOI.Z. 1999-12-24T21:47:35.90 10.0 positive manual PG 14 0.2997 -0.05 3.1
--.MO9.Z. 1999-12-24T21:47:35.54 10.0 negative manual PG 316 0.2997 0.35 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