Earthquake with magnitude of ML 0.9 on date 27-02-2021 and time 15:44:23 (UTC) in region 2 km SE Torraca (SA)

A magnitude ML 0.9 earthquake occured in region: 2 km SE Torraca (SA), on

  • 27-02-2021 15:44:23 (UTC)
  • 27-02-2021 16:44:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.1020, 15.6550 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Torraca SA 2 1263 1263
Sapri SA 4 6770 8033
Tortorella SA 6 523 8556
Vibonati SA 6 3293 11849
Casaletto Spartano SA 6 1420 13269
Ispani SA 8 1026 14295
Rivello PZ 9 2767 17062
Morigerati SA 10 665 17727
Lagonegro PZ 10 5584 23311
Santa Marina SA 10 3243 26554
Caselle in Pittari SA 12 1956 28510
Casalbuono SA 13 1194 29704
Nemoli PZ 13 1495 31199
Maratea PZ 13 5139 36338
Trecchina PZ 14 2316 38654
Torre Orsaia SA 16 2118 40772
Lauria PZ 17 12919 53691
Sanza SA 18 2608 56299
San Giovanni a Piro SA 18 3780 60079
Roccagloriosa SA 18 1722 61801
Buonabitacolo SA 19 2549 64350
Montesano sulla Marcellana SA 20 6704 71054

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km S of Potenza (67122 inhabitants)
80 Km SE of Battipaglia (50786 inhabitants)
99 Km SE of Salerno (135261 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
Reviewed
Rev100
ML 0.9 2021-02-27
15:44:23
40.1022 15.6548 10 2021-02-27
15:49:00
Sala Sismica INGV-Roma 87542751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-27 15:44:23 ± 0.08
Latitude 40.1022 ± 0.0063
Longitude 15.6548 ± 0.0047
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87542751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.34444
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 87542751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-27 15:49:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHE. 2021-02-27T15:44:36.31 0.6 undecidable manual S 309 38.2284 50 -0.2 47
IV.MCEL.HHZ. 2021-02-27T15:44:34.00 0.3 undecidable manual S 27 27.6501 50 0.32 70
IV.BULG.HHZ. 2021-02-27T15:44:32.90 0.6 undecidable manual S 264 23.6541 50 0.28 47
IV.CMPR.HHE. 2021-02-27T15:44:30.88 0.3 undecidable manual P 309 38.2284 50 -0.21 70
MN.CUC.HHZ. 2021-02-27T15:44:30.90 0.6 undecidable manual S 131 18.1707 120 -0.06 50
IV.MCEL.HHZ. 2021-02-27T15:44:29.26 0.1 undecidable manual P 27 27.6501 50 -0.2 95
IV.SIRI.HHZ. 2021-02-27T15:44:28.16 1.0 undecidable manual P 64 20.0688 117 -0.06 25
IV.MGR.HHZ. 2021-02-27T15:44:28.56 0.6 undecidable manual S 295 9.4794 138 -0.01 51
IV.BULG.HHZ. 2021-02-27T15:44:28.83 0.1 undecidable manual P 264 23.6541 50 -0.02 100
MN.CUC.HHZ. 2021-02-27T15:44:28.02 1.0 negative manual P 131 18.1707 120 0.13 25
IV.MGR.HHZ. 2021-02-27T15:44:26.63 0.1 undecidable manual P 295 9.4794 138 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGR.HHE. ML:1.2 0.0001912828 0.2432 AML other m 2021-02-27T15:44:28.64
IV.MGR.HHN. ML:0.8 0.00008736123500000002 0.128 AML other m 2021-02-27T15:44:28.72
IV.MGR.HNE. ML:1.2 0.0001927884 0.2176 AML other m 2021-02-27T15:44:28.65
IV.MGR.HNN. ML:1.0 0.00012339500899999998 0.5888 AML other m 2021-02-27T15:44:26.46
MN.CUC.HHE. ML:0.6 0.000032637195 0.1152 AML other m 2021-02-27T15:44:32.44
MN.CUC.HHN. ML:0.6 0.000029563550000000003 0.2048 AML other m 2021-02-27T15:44:31.89
MN.CUC.HNE. ML:0.8 0.000056103899999999997 0.7552 AML other m 2021-02-27T15:44:28.84
MN.CUC.HNN. ML:0.9 0.000064201802 0.7808 AML other m 2021-02-27T15:44:27.89
IV.SIRI.HHE. ML:1.0 0.000073333755 0.2048 AML other m 2021-02-27T15:44:32.91
IV.SIRI.HHN. ML:0.8 0.000047399734999999995 0.2176 AML other m 2021-02-27T15:44:33.31
IV.SIRI.HNE. ML:1.0 0.00007040727 0.2048 AML other m 2021-02-27T15:44:32.91
IV.SIRI.HNN. ML:0.8 0.000047648225000000004 0.192 AML other m 2021-02-27T15:44:33.09
IV.BULG.HHE. ML:0.7 0.00002844201 0.2688 AML other m 2021-02-27T15:44:33.08
IV.BULG.HHN. ML:0.9 0.00004690908 0.256 AML other m 2021-02-27T15:44:35.16
IV.BULG.HNE. ML:0.8 0.0000336541235 0.2944 AML other m 2021-02-27T15:44:33.09
IV.BULG.HNN. ML:1.0 0.00005266577 0.6656 AML other m 2021-02-27T15:44:37.84
IV.MCEL.HHE. ML:0.6 0.000021600654999999998 0.2688 AML other m 2021-02-27T15:44:34.18
IV.MCEL.HHN. ML:0.6 0.000018798755 0.1792 AML other m 2021-02-27T15:44:34.92
IV.MCEL.HNE. ML:1.1 0.00006756299 0.6016 AML other m 2021-02-27T15:44:36.13
IV.MCEL.HNN. ML:1.0 0.000055565394999999995 0.4352 AML other m 2021-02-27T15:44:35.35
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