Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 29-04-2013 and time 01:20:19 (Italy) in region 5 km NE San Gregorio Magno (SA)

A magnitude ML 2.1 earthquake occured in region: 5 km NE San Gregorio Magno (SA), on

  • 28-04-2013 23:20:19 (UTC)
  • 29-04-2013 01:20:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6970, 15.4330 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.

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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
San Gregorio Magno SA 5 4286 4286
Ricigliano SA 5 1144 5430
Romagnano al Monte SA 8 368 5798
Muro Lucano PZ 8 5497 11295
Balvano PZ 8 1830 13125
Buccino SA 9 5047 18172
Castelgrande PZ 10 943 19115
Bella PZ 11 5171 24286
Salvitelle SA 12 560 24846
Colliano SA 12 3638 28484
Vietri di Potenza PZ 12 2832 31316
Palomonte SA 13 3985 35301
Baragiano PZ 14 2671 37972
Valva SA 15 1643 39615
Laviano SA 15 1438 41053
Auletta SA 15 2336 43389
Caggiano SA 15 2765 46154
Santomenna SA 16 443 46597
Pescopagano PZ 16 1910 48507
San Fele PZ 16 3004 51511
Castelnuovo di Conza SA 17 619 52130
Oliveto Citra SA 17 3802 55932
Contursi Terme SA 17 3394 59326
Pertosa SA 17 690 60016
Sant'Andrea di Conza AV 17 1539 61555
Savoia di Lucania PZ 17 1127 62682
Rapone PZ 18 990 63672
Picerno PZ 18 5985 69657
Sicignano degli Alburni SA 19 3519 73176
Petina SA 19 1159 74335
Ruvo del Monte PZ 19 1083 75418
Conza della Campania AV 20 1373 76791
Sant'Angelo Le Fratte PZ 20 1429 78220
Senerchia AV 20 842 79062

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Potenza (67122 inhabitants)
39 Km E of Battipaglia (50786 inhabitants)
57 Km E of Salerno (135261 inhabitants)
59 Km E of Avellino (54857 inhabitants)
61 Km E of Cava de' Tirreni (53659 inhabitants)
73 Km SE of Benevento (60091 inhabitants)
75 Km SW of Cerignola (58396 inhabitants)
77 Km E of Scafati (50787 inhabitants)
80 Km E of Castellammare di Stabia (66466 inhabitants)
86 Km S of Foggia (151991 inhabitants)
90 Km E of Torre del Greco (86275 inhabitants)
92 Km E of Portici (55274 inhabitants)
92 Km E of Ercolano (53709 inhabitants)
94 Km E of Acerra (59573 inhabitants)
94 Km SW of Andria (100440 inhabitants)
96 Km W of Altamura (70396 inhabitants)
98 Km E of Afragola (65057 inhabitants)
98 Km W of Matera (60436 inhabitants)
99 Km E of Casoria (77642 inhabitants)
99 Km SW of Barletta (94814 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 2013-04-28
23:20:19		 40.6968 15.4332 10 2015-01-20
11:25:36		 Bollettino Sismico Italiano INGV 4754871
Reviewed
Rev100 		ML 2.1 2013-04-28
23:20:19		 40.7022 15.4308 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3361361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-04-28 23:20:19 ± 0.13
Latitude 40.6968 ± 0.0045
Longitude 15.4332 ± 0.0071
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4754871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 1.23837
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 4754871
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:26:27

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 3361361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-04-28 23:32:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2013-04-28T23:20:59.20 0.3 undecidable manual S 85 137.4624 50 -0.18 59
IV.MSAG.HHZ. 2013-04-28T23:20:55.00 0.1 undecidable manual S 19 119.3916 50 0.43 77
IV.AMUR.HHZ. 2013-04-28T23:20:49.60 0.3 undecidable manual S 76 101.0211 50 -0.06 66
IV.MIGL.HHZ. 2013-04-28T23:20:45.40 0.1 undecidable manual S 97 85.4478 50 -0.1 90
IV.NOCI.HHZ. 2013-04-28T23:20:43.32 0.1 undecidable manual P 85 137.4624 50 0.6 71
IV.MRVN.HHZ. 2013-04-28T23:20:43.40 0.1 undecidable manual S 57 75.6687 50 0.52 82
IV.MSAG.HHZ. 2013-04-28T23:20:39.44 0.1 undecidable manual P 19 119.3916 50 -0.5 77
IV.SGRT.HHZ. 2013-04-28T23:20:39.64 0.1 undecidable manual P 12 120.1908 50 -0.41 78
IV.MTSN.HHZ. 2013-04-28T23:20:38.00 0.1 undecidable manual S 151 54.8007 50 0.69 80
IV.AMUR.HHZ. 2013-04-28T23:20:37.11 0.1 undecidable manual P 76 101.0211 50 0 88
IV.SGTA.HHZ. 2013-04-28T23:20:36.40 0.3 undecidable manual S 353 48.9177 50 0.64 61
IV.MCEL.HHZ. 2013-04-28T23:20:36.90 0.1 undecidable manual S 143 51.7038 50 0.42 89
IV.ACER.HHZ. 2013-04-28T23:20:34.20 0.3 undecidable manual S 77 43.9227 50 -0.22 71
IV.CMPR.HHZ. 2013-04-28T23:20:34.60 0.1 undecidable manual S 195 43.4232 50 0.32 92
IV.CAFE.HHZ. 2013-04-28T23:20:33.60 0.1 undecidable manual S 336 40.2264 50 0.16 95
IV.MIGL.HHZ. 2013-04-28T23:20:33.79 0.1 undecidable manual P 97 85.4478 50 -0.91 69
IV.MRVN.HHZ. 2013-04-28T23:20:33.40 0.1 undecidable manual P 57 75.6687 50 0.21 89
IV.SLCN.HHZ. 2013-04-28T23:20:32.90 0.3 undecidable manual S 154 37.9287 50 0.08 73
BA.PZUN.HHZ. 2013-04-28T23:20:31.57 0.3 undecidable manual S 100 31.9458 50 0.35 70
IV.SNAL.HHZ. 2013-04-28T23:20:31.10 0.3 undecidable manual S 324 31.5462 50 -0.02 75
IV.MGR.HHZ. 2013-04-28T23:20:30.63 0.1 undecidable manual P 171 62.8926 50 -0.59 83
IV.CDRU.HHZ. 2013-04-28T23:20:29.80 0.3 undecidable manual S 205 25.4523 111 0.39 71
IV.MTSN.HHZ. 2013-04-28T23:20:29.65 0.1 undecidable manual P 151 54.8007 50 -0.33 90
IV.MCEL.HHZ. 2013-04-28T23:20:29.13 0.1 undecidable manual P 143 51.7038 50 -0.36 90
IV.PALZ.HHZ. 2013-04-28T23:20:28.72 0.1 undecidable manual P 58 52.0035 50 -0.84 76
IV.CMPR.HHZ. 2013-04-28T23:20:28.29 0.1 undecidable manual P 195 43.4232 50 0.06 97
IV.SGTA.HHZ. 2013-04-28T23:20:28.94 0.1 undecidable manual P 353 48.9177 50 -0.14 95
IV.CAFE.HHZ. 2013-04-28T23:20:27.63 0.1 undecidable manual P 336 40.2264 50 -0.11 97
IV.ACER.HHZ. 2013-04-28T23:20:27.80 0.1 undecidable manual P 77 43.9227 50 -0.51 88
IV.SLCN.HHZ. 2013-04-28T23:20:27.23 0.1 negative manual P 154 37.9287 50 -0.16 96
IV.SNAL.HHZ. 2013-04-28T23:20:26.24 0.1 undecidable manual P 324 31.5462 50 -0.16 97
BA.PZUN.HHZ. 2013-04-28T23:20:26.48 0.1 undecidable manual P 100 31.9458 50 0.02 100
IV.CDRU.HHZ. 2013-04-28T23:20:25.33 0.1 undecidable manual P 205 25.4523 111 -0.08 99
IV.MRLC.HHZ. 2013-04-28T23:20:24.90 0.3 undecidable manual S 35 8.0808 140 0.53 71
IV.MRLC.HHZ. 2013-04-28T23:20:22.87 0.1 negative manual P 35 8.0808 140 0.36 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACER.HHN. ML:2.0 0.0003305 0.58 AML other m 2013-04-28T23:20:34.58
IV.ACER.HNN. ML:2.0 0.000308 0.58 AML other m 2013-04-28T23:20:34.87
IV.ACER.HHE. ML:2.0 0.000272 0.38 AML other m 2013-04-28T23:20:43.55
IV.ACER.HNE. ML:1.9 0.0002595 0.38 AML other m 2013-04-28T23:20:43.55
IV.AMUR.HHN. ML:1.8 0.000059300000000000005 0.34 AML other m 2013-04-28T23:20:52.15
IV.AMUR.HHE. ML:1.8 0.00006705 0.42 AML other m 2013-04-28T23:20:54.62
IV.CAFE.HHN. ML:2.1 0.00046199999999999995 0.72 AML other m 2013-04-28T23:20:34.99
IV.CAFE.HNN. ML:2.2 0.000483 0.72 AML other m 2013-04-28T23:20:34.99
IV.CAFE.HHE. ML:2.3 0.0006285 0.72 AML other m 2013-04-28T23:20:35.97
IV.CAFE.HNE. ML:2.3 0.000633 0.72 AML other m 2013-04-28T23:20:35.97
IV.CDRU.HHN. ML:1.9 0.0004725 0.76 AML other m 2013-04-28T23:20:30.61
IV.CDRU.HHE. ML:2.3 0.0011149999999999999 0.12 AML other m 2013-04-28T23:20:31.04
IV.CMPR.HHE. ML:2.1 0.0004135 0.76 AML other m 2013-04-28T23:20:36.96
IV.CMPR.HHN. ML:2.1 0.00042600000000000005 0.3 AML other m 2013-04-28T23:20:36.92
IV.MCEL.HHN. ML:2.0 0.0002395 0.4 AML other m 2013-04-28T23:20:37.95
IV.MCEL.HHE. ML:1.8 0.00016949999999999997 0.28 AML other m 2013-04-28T23:20:42.71
IV.MGR.HHN. ML:1.8 0.0001135 1.04 AML other m 2013-04-28T23:20:45.16
IV.MGR.HHE. ML:1.7 0.0001031 0.26 AML other m 2013-04-28T23:20:48.16
IV.MIGL.HHE. ML:2.4 0.000326 0.62 AML other m 2013-04-28T23:20:49.25
IV.MIGL.HHN. ML:2.3 0.00025550000000000003 1.18 AML other m 2013-04-28T23:20:50.27
IV.MRLC.HNE. ML:2.4 0.003585 0.36 AML other m 2013-04-28T23:20:25.55
IV.MRLC.HHN. ML:2.5 0.004125 1.58 AML other m 2013-04-28T23:20:25.55
IV.MRLC.HHE. ML:2.5 0.004255 0.36 AML other m 2013-04-28T23:20:25.54
IV.MRLC.HNN. ML:2.5 0.00417 1.58 AML other m 2013-04-28T23:20:25.55
IV.MRVN.HHN. ML:2.0 0.00013949999999999998 0.5 AML other m 2013-04-28T23:20:44.25
IV.MRVN.HHE. ML:2.0 0.0001375 0.24 AML other m 2013-04-28T23:20:44.80
IV.MSAG.HHN. ML:2.3 0.0001535 0.18 AML other m 2013-04-28T23:21:02.21
IV.MSAG.HHE. ML:2.1 0.00008685000000000001 0.7 AML other m 2013-04-28T23:21:02.96
IV.MTSN.HHN. ML:1.9 0.00016849999999999998 1.48 AML other m 2013-04-28T23:20:42.07
IV.MTSN.HHE. ML:1.9 0.0001795 0.3 AML other m 2013-04-28T23:20:43.92
IV.NOCI.HHE. ML:2.1 0.00006720000000000001 0.76 AML other m 2013-04-28T23:21:02.91
IV.NOCI.HHN. ML:2.2 0.00008595 0.28 AML other m 2013-04-28T23:21:05.14
IV.PALZ.HHN. ML:1.7 0.0001275 0.74 AML other m 2013-04-28T23:20:40.96
IV.PALZ.HHE. ML:1.8 0.00017199999999999998 1.44 AML other m 2013-04-28T23:20:40.70
BA.PZUN.HHE. ML:2.0 0.00042 0.28 AML other m 2013-04-28T23:20:32.71
BA.PZUN.HHN. ML:2.0 0.000444 0.68 AML other m 2013-04-28T23:20:33.52
IV.SGRT.HHN. ML:2.0 0.0000691 1.2 AML other m 2013-04-28T23:20:57.85
IV.SGRT.HHE. ML:2.0 0.00007965 1.38 AML other m 2013-04-28T23:20:58.55
IV.SGTA.HHE. ML:1.8 0.00015099999999999998 0.4 AML other m 2013-04-28T23:20:46.98
IV.SGTA.HHN. ML:1.6 0.0001205 0.28 AML other m 2013-04-28T23:20:39.65
IV.SLCN.HNE. ML:2.2 0.000637 0.3 AML other m 2013-04-28T23:20:39.08
IV.SLCN.HHN. ML:2.2 0.0005195 0.38 AML other m 2013-04-28T23:20:33.51
IV.SLCN.HNN. ML:2.1 0.00045850000000000003 0.36 AML other m 2013-04-28T23:20:33.52
IV.SLCN.HHE. ML:2.3 0.000682 0.32 AML other m 2013-04-28T23:20:39.08
IV.SNAL.HHE. ML:2.3 0.0008325 1.32 AML other m 2013-04-28T23:20:32.96
IV.SNAL.HHN. ML:2.1 0.000622 0.8 AML other m 2013-04-28T23:20:33.50
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