Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 03-04-2020 and time 00:41:07 (Italy) in region 5 km SE Viggianello (PZ)

A magnitude ML 1.3 earthquake occured in region: 5 km SE Viggianello (PZ), on

  • 02-04-2020 22:41:07 (UTC)
  • 03-04-2020 00:41:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9400, 16.1280 at 26 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
Viggianello PZ 5 3025 3025
Rotonda PZ 8 3494 6519
San Severino Lucano PZ 9 1563 8082
Morano Calabro CS 11 4576 12658
Laino Castello CS 13 848 13506
Mormanno CS 13 3027 16533
Laino Borgo CS 13 1921 18454
San Basile CS 15 1055 19509
Castelluccio Superiore PZ 15 824 20333
Castelluccio Inferiore PZ 15 2131 22464
Terranova di Pollino PZ 15 1208 23672
Episcopia PZ 15 1434 25106
Castrovillari CS 16 22240 47346
Frascineto CS 16 2154 49500
Francavilla in Sinni PZ 17 4215 53715
San Lorenzo Bellizzi CS 18 644 54359
Saracena CS 18 3828 58187
San Costantino Albanese PZ 19 729 58916
Latronico PZ 19 4556 63472
Fardella PZ 20 627 64099

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km N of Cosenza (67546 inhabitants)
83 Km SE of Potenza (67122 inhabitants)
90 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 1.3 2020-04-02
22:41:07		 39.9403 16.1283 26 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80367921
Reviewed
Rev100 		ML 1.5 2020-04-02
22:41:07		 39.9408 16.1273 26 2020-04-02
22:47:57		 Sala Sismica INGV-Roma 77803981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 22:41:07 ± 0.13
Latitude 39.9403 ± 0.0036
Longitude 16.1283 ± 0.0059
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80367921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 463
Semi-minor axis of confidence ellipse (meter) 220
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.45775
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 77803981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 22:47:57

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 80367921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-21 08:42:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2020-04-02T22:41:24.90 0.6 undecidable manual S 327 50.8158 111 0.23 45
IV.CET2.HHE. 2020-04-02T22:41:23.68 0.6 undecidable manual S 198 48.0186 112 -0.27 45
IV.SIRI.HHZ. 2020-04-02T22:41:20.85 0.3 undecidable manual S 321 34.743 121 0.07 72
IV.SCHR.EHZ. 2020-04-02T22:41:19.62 0.3 undecidable manual S 351 29.0487 126 0.11 72
IV.GRIS.EHE. 2020-04-02T22:41:19.88 0.3 undecidable manual S 227 32.2455 123 -0.33 68
MN.CUC.HHE. 2020-04-02T22:41:18.98 0.3 undecidable manual S 283 27.2505 128 -0.15 71
IV.MCEL.HHZ. 2020-04-02T22:41:17.46 0.3 undecidable manual P 327 50.8158 111 -0.12 69
IV.CET2.HHE. 2020-04-02T22:41:17.49 0.3 undecidable manual P 198 48.0186 112 0.32 67
IV.MMN.HHZ. 2020-04-02T22:41:17.21 0.3 undecidable manual S 245 12.9759 150 0.61 66
IV.ORI.HHN. 2020-04-02T22:41:17.72 3.0 undecidable manual P 29.9478 3 0
IV.SALB.HHZ. 2020-04-02T22:41:17.60 0.3 undecidable manual S 111 19.7691 138 -0.07 74
YZ.POLL2.HHE.00 2020-04-02T22:41:16.27 0.3 undecidable manual S 71 11.877 153 -0.2 73
IV.SIRI.HHZ. 2020-04-02T22:41:15.27 0.3 undecidable manual P 321 34.743 121 -0.06 72
IV.TDS.HHE. 2020-04-02T22:41:15.80 0.3 undecidable manual P 150 35.8419 120 0.32 68
IV.GRIS.EHE. 2020-04-02T22:41:14.91 0.6 undecidable manual P 227 32.2455 123 -0.1 48
MN.CUC.HHE. 2020-04-02T22:41:14.41 0.3 undecidable manual P 283 27.2505 128 0.03 73
IV.SCHR.EHZ. 2020-04-02T22:41:14.44 0.3 undecidable manual P 351 29.0487 126 -0.17 71
IV.SALB.HHZ. 2020-04-02T22:41:13.63 0.3 undecidable manual P 111 19.7691 138 0.09 73
IV.MMN.HHZ. 2020-04-02T22:41:12.79 0.1 negative manual P 245 12.9759 150 -0.13 98
YZ.POLL2.HHE.00 2020-04-02T22:41:12.78 0.1 negative manual P 71 11.877 153 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHE. ML:1.4 0.00012878030000000002 0.2816 AML other m 2020-04-02T22:41:13.10
IV.MMN.HHN. ML:1.6 0.00023572465 0.1408 AML other m 2020-04-02T22:41:17.57
IV.SALB.HHN. ML:1.7 0.00023736010000000002 0.2816 AML other m 2020-04-02T22:41:17.93
IV.SALB.HHE. ML:1.5 0.0001435786 0.1664 AML other m 2020-04-02T22:41:18.20
IV.SCHR.EHE. ML:1.0 0.000032599575 0.2176 AML other m 2020-04-02T22:41:22.40
IV.SCHR.EHN. ML:0.7 0.00002213737 0.3456 AML other m 2020-04-02T22:41:22.33
IV.MCEL.HNN. ML:1.1 0.000029642010000000003 0.4224 AML other m 2020-04-02T22:41:25.79
IV.MCEL.HNE. ML:1.2 0.0000352611635 0.3584 AML other m 2020-04-02T22:41:28.35
IV.MCEL.HHE. ML:1.2 0.00003336265 0.3584 AML other m 2020-04-02T22:41:28.74
IV.MCEL.HHN. ML:1.0 0.000024245465 0.3584 AML other m 2020-04-02T22:41:28.42
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