Earthquake with magnitude of ML 0.7 on date 20-08-2015 and time 12:26:27 (UTC) in region 5 km SW Spinoso (PZ)

A magnitude ML 0.7 earthquake occured in region: 5 km SW Spinoso (PZ), on

  • 20-08-2015 12:26:27 (UTC)
  • 20-08-2015 14:26:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2260, 15.9430 at 22 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
Spinoso PZ 5 1462 1462
Sarconi PZ 5 1404 2866
Moliterno PZ 7 4062 6928
Castelsaraceno PZ 8 1384 8312
Grumento Nova PZ 8 1700 10012
San Martino d'Agri PZ 9 801 10813
Montemurro PZ 9 1235 12048
San Chirico Raparo PZ 12 1084 13132
Viggiano PZ 13 3329 16461
Armento PZ 14 631 17092
Carbone PZ 16 638 17730
Latronico PZ 16 4556 22286
Tramutola PZ 17 3089 25375
Gallicchio PZ 18 862 26237
Lagonegro PZ 19 5584 31821
Calvera PZ 19 387 32208
Marsicovetere PZ 19 5546 37754
Corleto Perticara PZ 20 2511 40265

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km S of Potenza (67122 inhabitants)
74 Km SW of Matera (60436 inhabitants)
85 Km SW of Altamura (70396 inhabitants)
92 Km E of Battipaglia (50786 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 0.7 2015-08-20
12:26:27
40.2258 15.9432 22 2016-01-08
08:46:44
Bollettino Sismico Italiano INGV 22201621
Reviewed
Rev100
ML 0.5 2015-08-20
12:26:28
40.2123 15.9222 11 2015-08-20
12:35:10
Sala Sismica INGV-Roma 20990421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-20 12:26:27 ± 0.2
Latitude 40.2258 ± 0.0090
Longitude 15.9432 ± 0.0177
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22201621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1455
Semi-minor axis of confidence ellipse (meter) 781
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.35272
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 22201621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-11-11 14:23:27

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 20990421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-20 12:35:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2015-08-20T12:28:15.26 3.0 negative manual Pn -3.24 0
IV.CTI.HHZ. 2015-08-20T12:28:13.32 3.0 negative manual Pg 9.18 0
IV.SSFR.HNZ. 2015-08-20T12:28:10.99 3.0 undecidable manual Sn 483.1497 -9.99 0
NI.POLC.HHZ. 2015-08-20T12:28:07.40 3.0 negative manual Pg 7.55 0
IV.FIAM.HHZ. 2015-08-20T12:27:57.99 3.0 undecidable manual Sg 371.3505 0.98 0
IV.FDMO.HHZ. 2015-08-20T12:27:54.99 3.0 undecidable manual Sn -9.99 0
IV.COR1.EHZ. 2015-08-20T12:27:38.00 3.0 undecidable manual Pg 8.76 0
IV.LIK.EHZ.01 2015-08-20T12:27:37.99 3.0 undecidable manual Sg -0.48 0
IV.APEC.HHZ. 2015-08-20T12:27:37.47 3.0 undecidable manual Pg 5.34 0
AC.VLO.HHZ. 2015-08-20T12:27:29.99 3.0 undecidable manual Sg -3.48 0
IV.SSFR.HNZ. 2015-08-20T12:27:28.93 3.0 undecidable manual Pg 483.1497 0.44 0
IV.ARRO.EHZ. 2015-08-20T12:27:25.67 3.0 undecidable manual Pg 5.5 0
IV.CESX.HHZ. 2015-08-20T12:27:24.53 3.0 positive manual Pg 2.72 0
MN.CLTB.HHZ. 2015-08-20T12:27:23.58 3.0 positive manual Pg 6.67 0
IV.FIAM.HHZ. 2015-08-20T12:27:18.91 3.0 undecidable manual Pg 371.3505 4.24 0
IV.FAVR.HHZ. 2015-08-20T12:27:18.44 3.0 undecidable manual Pn 1.55 0
IV.MSRU.HHZ. 2015-08-20T12:27:17.99 3.0 undecidable manual Sn -3.39 0
IV.CRM1.HNZ. 2015-08-20T12:27:13.59 3.0 undecidable manual Pn -9.99 0
IV.LATB.EHZ. 2015-08-20T12:27:08.14 3.0 positive manual Pn -1.85 0
MN.CUC.HHZ. 2015-08-20T12:26:38.23 0.6 undecidable manual S 203 27.9498 121 0.17 63
IV.MCEL.HHZ. 2015-08-20T12:26:36.16 0.6 undecidable manual S 313 16.2726 139 0.51 59
IV.MTSN.HHZ. 2015-08-20T12:26:35.74 0.3 undecidable manual S 286 16.872 137 -0.01 99
TV.AG11.EHZ. 2015-08-20T12:26:35.17 0.3 undecidable manual S 4 11.877 148 0.23 96
IV.SIRI.HHZ. 2015-08-20T12:26:34.36 0.6 undecidable manual S 233 7.9809 157 -0.12 66
TV.AG51.EHZ. 2015-08-20T12:26:34.41 0.6 undecidable manual S 314 10.4784 151 -0.34 63
MN.CUC.HHZ. 2015-08-20T12:26:33.57 0.3 undecidable manual P 203 27.9498 121 0.07 97
IV.MTSN.HHZ. 2015-08-20T12:26:32.23 0.3 undecidable manual P 286 16.872 137 0.06 98
IV.MCEL.HHZ. 2015-08-20T12:26:31.85 0.3 undecidable manual P 313 16.2726 139 -0.25 94
IV.SIRI.HHZ. 2015-08-20T12:26:31.37 0.3 undecidable manual P 233 7.9809 157 -0.06 99
TV.AG51.EHZ. 2015-08-20T12:26:31.44 0.3 undecidable manual P 314 10.4784 151 -0.15 97
TV.AG11.EHZ. 2015-08-20T12:26:31.72 0.3 undecidable manual P 4 11.877 148 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:0.6 0.000025 1.34 AML other m 2015-08-20T12:26:34.07
IV.MCEL.HHN. ML:0.8 0.00003655 1.58 AML other m 2015-08-20T12:27:18.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download