Earthquake with magnitude of ML 1.5 on date 26-02-2017 and time 04:12:16 (Italy) in region 3 km E Anzi (PZ)

A magnitude ML 1.5 earthquake occured in region: 3 km E Anzi (PZ), on

  • 26-02-2017 03:12:16 (UTC)
  • 26-02-2017 04:12:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.51, 15.96 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
Anzi PZ 3 1696 1696
Laurenzana PZ 6 1797 3493
Castelmezzano PZ 8 800 4293
Trivigno PZ 8 678 4971
Pietrapertosa PZ 9 1032 6003
Albano di Lucania PZ 10 1435 7438
Calvello PZ 10 1948 9386
Brindisi Montagna PZ 11 908 10294
Campomaggiore PZ 12 811 11105
Abriola PZ 12 1531 12636
Corleto Perticara PZ 16 2511 15147
Pignola PZ 16 6962 22109
Accettura MT 17 1856 23965
Vaglio Basilicata PZ 17 2047 26012
Marsicovetere PZ 19 5546 31558
Potenza PZ 19 67122 98680
Tricarico MT 19 5388 104068
Oliveto Lucano MT 19 450 104518
Viggiano PZ 20 3329 107847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Potenza (67122 inhabitants)
57 Km W of Matera (60436 inhabitants)
61 Km SW of Altamura (70396 inhabitants)
83 Km E of Battipaglia (50786 inhabitants)
84 Km S of Cerignola (58396 inhabitants)
84 Km SW of Andria (100440 inhabitants)
91 Km SW of Bitonto (55540 inhabitants)
93 Km SW of Trani (56217 inhabitants)
93 Km SW of Bisceglie (55422 inhabitants)
94 Km S of Barletta (94814 inhabitants)
94 Km SW of Molfetta (59874 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
Rev 1000 ML 1.5 2017-02-26
03:12:16
40.51 15.96 22 2018-01-10
09:51:18
Bollettino Sismico Italiano INGV 50882761
Rev 100 ML 1.5 2017-02-26
03:12:16
40.53 15.93 21 2017-02-26
03:29:36
Sala Sismica INGV-Roma 41639791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-26 03:12:16 ± 0.13
Latitude 40.51 ± 0.01
Longitude 15.96 ± 0.01
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 50882761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 599
Semi-minor axis of confidence ellipse (meter) 218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 600
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.43078
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 41639791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-26 03:29:36

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 50882761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-19 10:31:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MIGL.HHZ. 2017-02-26T03:12:30.82 0.3 undecidable manual S 76 0.3768 109 0.15 70
IV.SCHR.EHZ. 2017-02-26T03:12:29.30 0.6 undecidable manual S 164 0.3274 112 0.01 48
IV.SIRI.HHZ. 2017-02-26T03:12:29.67 0.6 undecidable manual S 192 0.339 112 0.05 48
IV.MTSN.HHZ. 2017-02-26T03:12:28.66 0.6 undecidable manual S 213 0.2941 115 0.27 46
IV.ACER.HHZ. 2017-02-26T03:12:27.59 0.6 undecidable manual S 357 0.2725 118 -0.23 47
IV.SLCN.HHZ. 2017-02-26T03:12:27.82 0.6 undecidable manual S 244 0.277 117 -0.13 48
IV.MCEL.HHZ. 2017-02-26T03:12:26.67 0.6 undecidable manual S 212 0.2239 124 0.09 48
IV.MRLC.HHE. 2017-02-26T03:12:26.25 0.3 undecidable manual P 304 0.4308 106 0.66 60
IV.CRAC.EHN. 2017-02-26T03:12:25.48 0.3 undecidable manual P 110 0.3858 109 0.63 62
IV.MIGL.HHZ. 2017-02-26T03:12:24.43 0.3 undecidable manual P 76 0.3768 109 -0.28 67
IV.MTSN.HHZ. 2017-02-26T03:12:23.32 0.1 positive manual P 213 0.2941 115 -0.07 96
IV.SIRI.HHZ. 2017-02-26T03:12:23.85 0.1 undecidable manual P 192 0.339 112 -0.26 92
IV.SLCN.HHZ. 2017-02-26T03:12:23.14 0.1 undecidable manual P 244 0.277 117 0 98
IV.PTRP.HHZ. 2017-02-26T03:12:23.80 0.1 undecidable manual S 85 0.0782 155 0.1 100
IV.SCHR.EHZ. 2017-02-26T03:12:23.76 0.1 positive manual P 164 0.3274 112 -0.16 94
IV.ACER.HHZ. 2017-02-26T03:12:22.78 0.1 undecidable manual P 357 0.2725 118 -0.29 92
IV.MCEL.HHZ. 2017-02-26T03:12:22.31 0.1 positive manual P 212 0.2239 124 -0.04 98
BA.PZUN.HNZ. 2017-02-26T03:12:21.86 0.3 undecidable manual P 319 0.1745 132 0.17 72
IV.PTRP.HHZ. 2017-02-26T03:12:20.45 0.1 negative manual P 85 0.0782 155 -0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTRP.HHN. ML:1.5 0.0002393668 0.4784 AML other m 2017-02-26T03:12:24.25
IV.MCEL.HHN. ML:1.5 0.0001365169 0.5008 AML other m 2017-02-26T03:12:27.31
IV.MTSN.HHE. ML:1.4 0.00010028653 1.36 AML other m 2017-02-26T03:12:28.83
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download