Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 15-08-2021 and time 20:49:51 (UTC) in region 7 km SE Rocca di Neto (KR)

A magnitude ML 1.4 earthquake occured in region: 7 km SE Rocca di Neto (KR), on

  • 15-08-2021 20:49:51 (UTC)
  • 15-08-2021 22:49:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.1460, 17.0590 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.

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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
Rocca di Neto KR 7 5687 5687
Scandale KR 9 3169 8856
Crotone KR 9 62178 71034
Santa Severina KR 12 2131 73165
San Mauro Marchesato KR 13 2157 75322
Strongoli KR 14 6571 81893
Cutro KR 14 10541 92434
Casabona KR 14 2718 95152
Roccabernarda KR 16 3393 98545
Belvedere di Spinello KR 17 2297 100842
San Nicola dell'Alto KR 18 856 101698
Melissa KR 18 3549 105247
Carfizzi KR 19 661 105908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NW of Crotone (62178 inhabitants)
48 Km NE of Catanzaro (90612 inhabitants)
67 Km E of Lamezia Terme (70714 inhabitants)
71 Km E of Cosenza (67546 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 1.4 2021-08-15
20:49:51		 39.1457 17.0588 22 2021-12-29
11:12:32		 Bollettino Sismico Italiano INGV 95819291
Reviewed
Rev100 		ML 1.5 2021-08-15
20:49:51		 39.2432 17.0037 26 2021-08-15
20:57:29		 Sala Sismica INGV-Roma 94219421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-15 20:49:51 ± 0.37
Latitude 39.1457 ± 0.0171
Longitude 17.0588 ± 0.0255
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95819291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1931
Semi-minor axis of confidence ellipse (meter) 1528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 1930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.15109
Epicentral distance of station farthest from the epicenter (degree) 0.84716
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 95819291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-27 15:53:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 94219421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-15 20:57:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHE. 2021-08-15T20:50:07.94 0.6 undecidable manual P 215 94.0392 97 -0.05 45
IV.SELL.HHE. 2021-08-15T20:50:06.57 0.6 undecidable manual S 244 41.2254 109 0.63 42
IV.SERS.HHZ. 2021-08-15T20:50:04.61 0.6 undecidable manual S 249 34.1436 114 0.44 45
IV.CELI.HHZ. 2021-08-15T20:50:02.25 0.1 undecidable manual P 301 55.2003 104 0.16 95
MN.TIP.HHZ. 2021-08-15T20:50:01.57 0.3 undecidable manual S 278 26.1516 122 -0.71 64
IV.LADO.EHZ. 2021-08-15T20:50:01.00 0.3 undecidable manual S 336 16.7721 137 0.65 68
IV.PIPA.HHZ. 2021-08-15T20:50:00.16 0.3 undecidable manual P 331 43.0236 109 -0.14 71
IV.SELL.HHE. 2021-08-15T20:50:00.03 0.1 undecidable manual P 244 41.2254 109 -0.01 99
IV.SERS.HHZ. 2021-08-15T20:49:58.86 0.1 negative manual P 249 34.1436 114 -0.16 98
MN.TIP.HHZ. 2021-08-15T20:49:57.82 0.1 negative manual P 278 26.1516 122 -0.11 100
IV.LADO.EHZ. 2021-08-15T20:49:56.67 0.1 undecidable manual P 336 16.7721 137 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHN. ML:1.5 0.00018504505999999998 0.2432 AML other m 2021-08-15T20:50:02.57
IV.LADO.EHE. ML:1.7 0.0002759935 0.3456 AML other m 2021-08-15T20:50:02.87
MN.TIP.HHE. ML:1.2 0.0000718827 0.5632 AML other m 2021-08-15T20:50:03.59
MN.TIP.HHN. ML:1.2 0.000070083465 0.2176 AML other m 2021-08-15T20:50:04.35
IV.SERS.HNN. ML:1.5 0.00011209748999999999 0.3968 AML other m 2021-08-15T20:50:05.39
IV.SERS.HHE. ML:1.4 0.00009370438000000001 0.2816 AML other m 2021-08-15T20:50:05.38
IV.SERS.HNE. ML:1.7 0.00016547255 0.2944 AML other m 2021-08-15T20:50:05.25
IV.SERS.HHN. ML:1.7 0.000191 0.32 AML other m 2021-08-15T20:50:05.24
IV.CELI.HHE. ML:1.2 0.00003688004 0.8192 AML other m 2021-08-15T20:50:18.83
IV.CELI.HHN. ML:1.2 0.000035749999999999995 0.86 AML other m 2021-08-15T20:50:19.98
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