Earthquake with magnitude of ML 0.2 on date 28-12-2011 and time 02:04:19 (Italy) in region 4 km SW Rotonda (PZ)

A magnitude ML 0.2 earthquake occured in region: 4 km SW Rotonda (PZ), on

  • 28-12-2011 01:04:19 (UTC)
  • 28-12-2011 02:04:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.9240, 16.0160 at 5 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
Rotonda PZ 4 3494 3494
Laino Castello CS 4 848 4342
Mormanno CS 4 3027 7369
Laino Borgo CS 5 1921 9290
Viggianello PZ 8 3025 12315
Castelluccio Inferiore PZ 10 2131 14446
Castelluccio Superiore PZ 10 824 15270
Papasidero CS 11 734 16004
Morano Calabro CS 14 4576 20580
San Severino Lucano PZ 15 1563 22143
Aieta CS 16 823 22966
Orsomarso CS 17 1265 24231
San Basile CS 18 1055 25286
Santa Domenica Talao CS 18 1263 26549
Episcopia PZ 18 1434 27983
Latronico PZ 18 4556 32539

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km N of Cosenza (67546 inhabitants)
82 Km S of Potenza (67122 inhabitants)
96 Km SW of Matera (60436 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 1.5
ML 0.2
2011-12-28
01:04:19
39.924 16.016 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1326749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-12-28 01:04:19 ± 0.29
Latitude 39.9240 ± 0.0081
Longitude 16.0160 ± 0.0070
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1326749

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 574
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 144
Circular confidence region, given by single value of horizontal uncertainty (meter) 1081.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.16907
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1326749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:23:41

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1326749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:23:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CUC.HHN. 2011-12-28T01:04:26.33 0.6 undecidable manual Sg 294 18.7701 -0.142 48
MN.CUC.HHN. 2011-12-28T01:04:23.88 0.6 undecidable manual Pg 294 18.7701 0.252 47
IV.T0711.EHN. 2011-12-28T01:04:22.06 0.3 undecidable manual Sg 72 4.0959 0.064 75
IV.MMN.HHZ. 2011-12-28T01:04:22.06 0.3 undecidable manual Sg 211 4.2957 0.027 75
IV.MMN.HHZ. 2011-12-28T01:04:21.03 0.1 undecidable manual Pg 211 4.2957 -0.035 100
IV.T0711.EHN. 2011-12-28T01:04:20.96 0.1 undecidable manual Pg 72 4.0959 -0.083 99
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