Earthquake with magnitude of ML 1.5 on date 24-09-2021 and time 17:18:56 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.5 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 24-09-2021 15:18:56 (UTC)
  • 24-09-2021 17:18:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.2620, 17.2380 at 10 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
CirĂ² Marina KR 15 14902 14902
Strongoli KR 16 6571 21473
Melissa KR 19 3549 25022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Crotone (62178 inhabitants)
68 Km NE of Catanzaro (90612 inhabitants)
85 Km E of Cosenza (67546 inhabitants)
85 Km E of Lamezia Terme (70714 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 1.5 2021-09-24
15:18:56
39.262 17.2377 10 2022-03-30
13:04:09
Bollettino Sismico Italiano INGV 96312771
Reviewed
Rev100
ML 1.4 2021-09-24
15:18:57
39.2592 17.1058 21 2021-09-24
15:28:42
Sala Sismica INGV-Roma 95837281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-24 15:18:56 ± 0.4
Latitude 39.2620 ± 0.0135
Longitude 17.2377 ± 0.0232
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96312771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1995
Semi-minor axis of confidence ellipse (meter) 1477
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 2000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 295
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79410
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 96312771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 14:03:26

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 95837281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-24 15:28:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HNZ. 2021-09-24T15:20:50.34 3.0 negative manual Pg 14.74 0
IV.CAPR.HNZ. 2021-09-24T15:20:49.68 3.0 undecidable manual Pn 0.14 0
IV.SRES.HHZ. 2021-09-24T15:20:48.43 3.0 undecidable manual Sn -0.23 0
IV.ZEN8.EHZ. 2021-09-24T15:20:45.90 3.0 undecidable manual Pn 1.41 0
IV.GUMA.HHZ. 2021-09-24T15:20:44.64 3.0 undecidable manual Sn -7.45 0
IV.FIR.HHZ. 2021-09-24T15:20:39.81 3.0 undecidable manual Pg 17.59 0
CR.STON.BHZ. 2021-09-24T15:20:25.00 3.0 undecidable manual Sn -1.73 0
IV.RIBO.EHZ.01 2021-09-24T15:20:21.45 3.0 undecidable manual Pn 4.77 0
IV.PE3.EHZ. 2021-09-24T15:20:09.85 3.0 undecidable manual Pn -3.03 0
OT.OT05.EHZ. 2021-09-24T15:20:01.06 3.0 undecidable manual Sg 0.09 0
IV.OFFI.HHZ. 2021-09-24T15:20:00.99 3.0 undecidable manual Pn 3.71 0
IV.MFNL.HHZ. 2021-09-24T15:19:56.10 3.0 negative manual Pg 6.26 0
IV.MTGR.HHZ. 2021-09-24T15:19:45.78 3.0 undecidable manual Pn -4.89 0
IV.PTRJ.HNZ. 2021-09-24T15:19:41.26 3.0 undecidable manual Pg 5.92 0
IV.SERS.HHZ. 2021-09-24T15:19:14.32 0.6 undecidable manual S 242 53.502 50 0.46 46
IV.CAR1.HHN. 2021-09-24T15:19:12.55 0.6 undecidable manual P 270 88.1451 50 0.54 42
IV.PIPA.HHE. 2021-09-24T15:19:11.17 0.6 undecidable manual S 305 43.8228 50 -0.11 50
MN.TIP.HHZ. 2021-09-24T15:19:10.93 0.6 undecidable manual S 258 42.2244 50 0.08 51
IV.CELI.HHZ. 2021-09-24T15:19:08.26 0.1 undecidable manual P 284 64.491 50 -0.1 97
IV.SELL.HHE. 2021-09-24T15:19:07.69 0.3 undecidable manual P 240 60.8946 50 -0.13 73
IV.SERS.HHZ. 2021-09-24T15:19:06.47 0.1 undecidable manual P 242 53.502 50 -0.2 97
IV.PIPA.HHE. 2021-09-24T15:19:05.34 0.3 undecidable manual P 305 43.8228 50 0.16 75
IV.LADO.EHZ. 2021-09-24T15:19:04.92 0.6 undecidable manual S 276 22.2555 114 -0.39 49
MN.TIP.HHZ. 2021-09-24T15:19:04.64 0.1 undecidable manual P 258 42.2244 50 -0.29 97
IV.LADO.EHZ. 2021-09-24T15:19:02.07 0.1 positive manual P 276 22.2555 114 0.34 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHN. ML:1.8 0.00038600455 0.1664 AML other m 2021-09-24T15:19:07.19
IV.LADO.EHE. ML:1.8 0.00047403655 1.808 AML other m 2021-09-24T15:19:09.02
MN.TIP.HHN. ML:1.4 0.00008105 0.32 AML other m 2021-09-24T15:19:11.42
MN.TIP.HNN. ML:1.4 0.00008724496500000001 0.32 AML other m 2021-09-24T15:19:11.27
MN.TIP.HHE. ML:1.3 0.00006809999999999999 0.4 AML other m 2021-09-24T15:19:11.47
MN.TIP.HNE. ML:1.4 0.00008765043 0.4096 AML other m 2021-09-24T15:19:11.68
IV.SERS.HHN. ML:1.3 0.00005165 0.82 AML other m 2021-09-24T15:19:14.40
IV.SERS.HHE. ML:1.4 0.00006434999999999999 0.42 AML other m 2021-09-24T15:19:18.25
IV.SERS.HNE. ML:1.5 0.00007149844 0.5248 AML other m 2021-09-24T15:19:18.64
IV.SERS.HNN. ML:1.4 0.000062636285 0.3072 AML other m 2021-09-24T15:19:21.15
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