Earthquake with magnitude of ML 1.1 on date 28-02-2011 and time 08:35:22 (Italy) in region 2 km SE San Severino Lucano (PZ)

A magnitude ML 1.1 earthquake occured in region: 2 km SE San Severino Lucano (PZ), on

  • 28-02-2011 07:35:22 (UTC)
  • 28-02-2011 08:35:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.005, 16.156 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
San Severino Lucano PZ 2 1563 1563
Viggianello PZ 7 3025 4588
Episcopia PZ 9 1434 6022
Francavilla in Sinni PZ 10 4215 10237
Rotonda PZ 12 3494 13731
Fardella PZ 12 627 14358
Terranova di Pollino PZ 13 1208 15566
San Costantino Albanese PZ 13 729 16295
Teana PZ 14 613 16908
Chiaromonte PZ 14 1965 18873
Castelluccio Superiore PZ 15 824 19697
Castelluccio Inferiore PZ 16 2131 21828
Latronico PZ 16 4556 26384
San Paolo Albanese PZ 16 294 26678
Calvera PZ 16 387 27065
Carbone PZ 16 638 27703
Laino Borgo CS 17 1921 29624
Cersosimo PZ 17 656 30280
Laino Castello CS 17 848 31128
Noepoli PZ 17 878 32006
Morano Calabro CS 18 4576 36582
Mormanno CS 19 3027 39609
Senise PZ 19 7115 46724
San Lorenzo Bellizzi CS 20 644 47368
Alessandria del Carretto CS 20 462 47830

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km SE of Potenza (67122 inhabitants)
80 Km N of Cosenza (67546 inhabitants)
83 Km SW of Matera (60436 inhabitants)
98 Km SW of Altamura (70396 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 1.8
ML 1.1
2011-02-28
07:35:22
40.005 16.156 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1177029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-02-28 07:35:22 ± 0.09
Latitude 40.0050 ± 0.0108
Longitude 16.1560 ± 0.0223
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1177029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2236
Semi-minor axis of confidence ellipse (meter) 404
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 2247.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1177029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:57:41

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1177029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:57:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SIRI.HHN. 2011-02-28T07:35:33.32 0.1 undecidable manual Sg 309 0.2833 0.147 96
IV.PE9.EHZ. 2011-02-28T07:35:33.77 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHE. 2011-02-28T07:35:32.31 0.6 undecidable manual Sg 268 0.2608 -0.208 47
IV.SALB.HHZ. 2011-02-28T07:35:30.24 0.1 undecidable manual Sg 131 0.1934 0.031 100
IV.SCHR.EHE. 2011-02-28T07:35:30.63 0.1 undecidable manual Sg 343 0.2041 0.053 99
IV.SIRI.HHN. 2011-02-28T07:35:28.23 0.1 undecidable manual Pg 309 0.2833 -0.234 94
MN.CUC.HHE. 2011-02-28T07:35:28.49 0.6 undecidable manual Pg 268 0.2608 0.404 45
IV.SCHR.EHE. 2011-02-28T07:35:26.89 0.1 undecidable manual Pg 343 0.2041 -0.075 99
IV.SALB.HHZ. 2011-02-28T07:35:26.74 0.1 undecidable manual Pg 131 0.1934 -0.013 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SALB.HHN. ML:1.1 7.5E-5 0.2 AML other m 2011-02-28T07:35:26.74
IV.SALB.HHE. ML:1.1 0.00011 0.5 AML other m 2011-02-28T07:35:26.74
IV.SCHR.EHN. ML:0.9 5.5E-5 0.16 AML other m 2011-02-28T07:35:26.89
IV.SCHR.EHE. Md:1.8 19.3 END duration s
IV.SIRI.HHN. Md:1.9 21.4 END duration s
IV.SIRI.HHE. ML:1.4 0.00012 0.4 AML other m 2011-02-28T07:35:28.23
MN.CUC.HHN. ML:1.2 5.5E-5 0.42 AML other m 2011-02-28T07:35:28.49
MN.CUC.HHE. Md:1.6 15.6 END duration s
IV.SALB.HHZ. Md:1.8 19.5 END duration s
IV.PE9.EHZ. Md:0 13 END duration s
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