Earthquake with magnitude of Md 2.1 on date 07-07-2001 and time 11:56:37 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude Md 2.1 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 07-07-2001 11:56:37 (UTC)
  • 07-07-2001 13:56:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8770, 16.0580 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Falerna CZ 17 4028 4028
Briatico VV 17 4053 8081
Gizzeria CZ 17 4982 13063
Pizzo VV 18 9278 22341

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Lamezia Terme (70714 inhabitants)
47 Km W of Catanzaro (90612 inhabitants)
50 Km SW of Cosenza (67546 inhabitants)
88 Km NE of Messina (238439 inhabitants)
93 Km NE of Reggio di Calabria (183035 inhabitants)
95 Km W 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
Md 2.1 2001-07-07
11:56:37
38.877 16.058 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 422179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-07-07 11:56:37 ± 0.222
Latitude 38.8770 ± 0.0088
Longitude 16.0580 ± 0.0216
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 422179

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) 2109.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 422179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:38:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROI.Z. 2001-07-07T11:57:05.27 10.0 undecidable manual SG 29 0.7881 0.5 0.4
--.SOI.Z. 2001-07-07T11:57:04.67 10.0 undecidable manual SG 180 0.7992 -0.22 0.5
--.SOI.Z. 2001-07-07T11:56:53.23 10.0 undecidable manual PG 180 0.7992 0.04 1.5
--.ROI.Z. 2001-07-07T11:56:52.50 10.0 undecidable manual PG 29 0.7881 -1.07 0.1
--.CZI.Z. 2001-07-07T11:56:49.98 10.0 undecidable manual SG 10 0.3441 -0.27 0.6
--.GRI.Z. 2001-07-07T11:56:48.34 10.0 undecidable manual SG 101 0.2775 0 0.7
--.CZI.Z. 2001-07-07T11:56:45.12 10.0 undecidable manual PG 10 0.3441 0.38 2.7
--.GRI.Z. 2001-07-07T11:56:43.90 10.0 undecidable manual PG 101 0.2775 0.26 1.5
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