Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 21-02-2013 and time 06:22:28 (Italy) in region 1 km SE Rivello (PZ)

A magnitude ML 2.1 earthquake occured in region: 1 km SE Rivello (PZ), on

  • 21-02-2013 05:22:28 (UTC)
  • 21-02-2013 06:22:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.0740, 15.7620 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rivello PZ 1 2767 2767
Nemoli PZ 3 1495 4262
Trecchina PZ 5 2316 6578
Lagonegro PZ 6 5584 12162
Lauria PZ 7 12919 25081
Maratea PZ 9 5139 30220
Sapri SA 11 6770 36990
Torraca SA 12 1263 38253
Casaletto Spartano SA 15 1420 39673
Tortorella SA 15 523 40196
Vibonati SA 16 3293 43489
Tortora CS 17 6187 49676
Aieta CS 17 823 50499
Casalbuono SA 17 1194 51693
Ispani SA 17 1026 52719
Santa Marina SA 19 3243 55962
Morigerati SA 19 665 56627
Castelluccio Inferiore PZ 20 2131 58758
Castelluccio Superiore PZ 20 824 59582
Praia a Mare CS 20 6725 66307

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km S of Potenza (67122 inhabitants)
89 Km SE of Battipaglia (50786 inhabitants)
96 Km NW of Cosenza (67546 inhabitants)
97 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 		ML 2.1 2013-02-21
05:22:28		 40.0735 15.7625 11 2015-01-20
11:22:43		 Bollettino Sismico Italiano INGV 4860251
Reviewed
Rev100 		ML 2.1 2013-02-21
05:22:28		 40.0762 15.7685 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2984651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-02-21 05:22:28 ± 0.1
Latitude 40.0735 ± 0.0054
Longitude 15.7625 ± 0.0059
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4860251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 505
Semi-minor axis of confidence ellipse (meter) 458
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 360
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.88223
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 4860251
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:05:39

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 2984651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-02-21 05:32:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2013-02-21T05:22:48.40 0.1 undecidable manual S 165 62.5929 50 0.33 86
IV.CELI.HHZ. 2013-02-21T05:22:46.19 0.6 undecidable manual P 139 97.9242 50 0.81 34
IV.SALB.HHZ. 2013-02-21T05:22:45.84 0.1 undecidable manual S 114 54.2013 50 0.02 93
IV.CMPR.HHZ. 2013-02-21T05:22:44.80 0.1 undecidable manual S 305 47.4192 50 0.77 76
IV.ACER.HHZ. 2013-02-21T05:22:43.20 0.3 undecidable manual P 11 80.5638 50 0.49 60
IV.MIGL.HHZ. 2013-02-21T05:22:42.75 0.3 undecidable manual P 44 82.251 50 -0.21 64
IV.SCHR.EHZ. 2013-02-21T05:22:39.14 0.1 undecidable manual S 62 30.0477 50 -0.23 93
IV.BULG.HHZ. 2013-02-21T05:22:39.28 0.1 undecidable manual S 271 32.6451 50 -0.8 77
IV.CET2.HHZ. 2013-02-21T05:22:39.93 0.1 undecidable manual P 165 62.5929 50 -0.01 92
IV.MCEL.HHZ. 2013-02-21T05:22:38.94 0.1 undecidable manual S 7 28.0497 50 0.08 96
IV.SALB.HHZ. 2013-02-21T05:22:38.39 0.1 undecidable manual P 114 54.2013 50 -0.25 89
IV.CMPR.HHZ. 2013-02-21T05:22:37.52 0.1 undecidable manual P 305 47.4192 50 -0.09 93
IV.MGR.HHZ. 2013-02-21T05:22:36.31 0.1 undecidable manual S 292 19.0698 119 -0.14 97
IV.SIRI.HHZ. 2013-02-21T05:22:35.24 0.1 undecidable manual S 36 14.9739 126 0 100
IV.BULG.HHZ. 2013-02-21T05:22:35.50 0.1 undecidable manual P 271 32.6451 50 0.17 94
IV.SLCN.HHZ. 2013-02-21T05:22:35.89 0.1 undecidable manual P 343 36.8298 50 -0.07 95
IV.MCEL.HHZ. 2013-02-21T05:22:34.53 0.1 undecidable manual P 7 28.0497 50 -0.09 96
IV.SCHR.EHZ. 2013-02-21T05:22:34.67 0.1 undecidable manual P 62 30.0477 50 -0.25 93
IV.MMN.HHZ. 2013-02-21T05:22:34.47 0.1 undecidable manual P 136 28.0497 50 -0.14 95
IV.MGR.HHZ. 2013-02-21T05:22:33.24 0.1 undecidable manual P 292 19.0698 119 0.01 99
IV.SIRI.HHZ. 2013-02-21T05:22:32.74 0.1 positive manual P 36 14.9739 126 0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACER.HHN. ML:2.0 0.0001285 0.62 AML other m 2013-02-21T05:23:01.77
IV.ACER.HHE. ML:2.0 0.0001305 1.52 AML other m 2013-02-21T05:23:02.25
IV.BULG.HNE. ML:1.8 0.0002925 1.5 AML other m 2013-02-21T05:22:40.98
IV.BULG.HHE. ML:1.8 0.0002935 1.5 AML other m 2013-02-21T05:22:40.98
IV.BULG.HNN. ML:2.1 0.0005825 0.3 AML other m 2013-02-21T05:22:40.77
IV.BULG.HHN. ML:2.1 0.0006025000000000001 0.3 AML other m 2013-02-21T05:22:40.77
IV.CET2.HHN. ML:2.1 0.000246 0.26 AML other m 2013-02-21T05:22:49.93
IV.CET2.HHE. ML:2.0 0.0001785 0.96 AML other m 2013-02-21T05:22:50.23
IV.CMPR.HHE. ML:2.2 0.000431 0.3 AML other m 2013-02-21T05:22:45.34
IV.CMPR.HHN. ML:2.1 0.00036650000000000007 0.42 AML other m 2013-02-21T05:22:45.73
IV.MCEL.HHN. ML:2.2 0.000733 1.26 AML other m 2013-02-21T05:22:41.45
IV.MCEL.HNN. ML:2.1 0.0006910000000000001 1.26 AML other m 2013-02-21T05:22:41.45
IV.MCEL.HNE. ML:2.3 0.0009530000000000001 0.52 AML other m 2013-02-21T05:22:41.22
IV.MCEL.HHE. ML:2.3 0.0009809999999999999 0.52 AML other m 2013-02-21T05:22:41.22
IV.MGR.HNN. ML:2.2 0.0011400000000000002 0.78 AML other m 2013-02-21T05:22:37.09
IV.MGR.HHN. ML:2.2 0.001265 0.78 AML other m 2013-02-21T05:22:36.70
IV.MGR.HHE. ML:2.2 0.00113 0.3 AML other m 2013-02-21T05:22:36.91
IV.MGR.HNE. ML:2.2 0.001145 0.26 AML other m 2013-02-21T05:22:36.94
IV.MMN.HHE. ML:1.6 0.00022649999999999998 0.38 AML other m 2013-02-21T05:22:40.98
IV.MMN.HHN. ML:1.9 0.000388 0.5 AML other m 2013-02-21T05:22:41.07
IV.SALB.HHN. ML:1.6 0.00009975 0.78 AML other m 2013-02-21T05:22:50.93
IV.SALB.HNE. ML:2.0 0.0002225 1.54 AML other m 2013-02-21T05:22:41.99
IV.SALB.HHE. ML:1.7 0.00011999999999999999 0.38 AML other m 2013-02-21T05:22:50.91
IV.SALB.HNN. ML:2.0 0.0002125 1.58 AML other m 2013-02-21T05:23:14.15
IV.SCHR.EHE. ML:2.3 0.000877 0.22 AML other m 2013-02-21T05:22:39.30
IV.SCHR.EHN. ML:2.1 0.000647 0.22 AML other m 2013-02-21T05:22:40.06
IV.SIRI.HNN. ML:2.4 0.00234 0.3 AML other m 2013-02-21T05:22:38.08
IV.SIRI.HNE. ML:2.5 0.0029950000000000003 0.24 AML other m 2013-02-21T05:22:38.11
IV.SIRI.HHN. ML:2.4 0.002345 0.28 AML other m 2013-02-21T05:22:38.08
IV.SIRI.HHE. ML:2.5 0.0030949999999999997 0.24 AML other m 2013-02-21T05:22:38.11
IV.SLCN.HHN. ML:2.1 0.0004874999999999999 1 AML other m 2013-02-21T05:22:46.04
IV.SLCN.HNE. ML:2.4 0.0009785 0.36 AML other m 2013-02-21T05:22:45.27
IV.SLCN.HHE. ML:2.4 0.0009945 0.32 AML other m 2013-02-21T05:22:45.11
IV.SLCN.HNN. ML:2.1 0.000507 1.56 AML other m 2013-02-21T05:22:46.68
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
Waveforms Seismic signals in miniseed + resp format Download