Earthquake with magnitude of ML 0.9 on date 10-09-2021 and time 23:12:00 (UTC) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 0.9 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 10-09-2021 23:12:00 (UTC)
  • 11-09-2021 01:12:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0860, 17.1640 at 25 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
Crotone KR 3 62178 62178
Isola di Capo Rizzuto KR 15 17643 79821
Cutro KR 17 10541 90362
Scandale KR 18 3169 93531
Rocca di Neto KR 18 5687 99218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km E of Crotone (62178 inhabitants)
53 Km E of Catanzaro (90612 inhabitants)
74 Km E of Lamezia Terme (70714 inhabitants)
82 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 0.9 2021-09-10
23:12:00
39.0857 17.1645 25 2022-03-30
13:04:39
Bollettino Sismico Italiano INGV 101410241
Reviewed
Rev100
ML 0.9 2021-09-10
23:12:00
39.0858 17.1577 24 2021-09-10
23:29:18
Sala Sismica INGV-Roma 95285361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-10 23:12:00 ± 0.26
Latitude 39.0857 ± 0.0090
Longitude 17.1645 ± 0.0162
Depth (km) 25 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101410241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1232
Semi-minor axis of confidence ellipse (meter) 738
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 290
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.24462
Epicentral distance of station farthest from the epicenter (degree) 0.59805
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 101410241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 12:36:59

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 95285361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-10 23:29:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHE. 2021-09-10T23:12:21.25 1.0 undecidable manual S 302 66.378 105 0.42 22
IV.SELL.HHZ. 2021-09-10T23:12:16.16 1.0 undecidable manual S 256 47.619 111 0.1 24
IV.SERS.HHZ. 2021-09-10T23:12:14.21 0.6 undecidable manual S 262 41.3253 115 -0.31 46
IV.CELI.HHE. 2021-09-10T23:12:12.19 0.3 undecidable manual P 302 66.378 105 0.09 70
IV.LADO.EHZ. 2021-09-10T23:12:11.16 0.6 undecidable manual S 324 27.1506 127 -0.1 50
IV.PIPA.HHZ. 2021-09-10T23:12:10.08 0.6 undecidable manual P 326 53.502 109 -0.11 47
IV.SELL.HHZ. 2021-09-10T23:12:09.52 0.3 undecidable manual P 256 47.619 111 0.19 71
IV.SERS.HHZ. 2021-09-10T23:12:08.45 0.3 undecidable manual P 262 41.3253 115 0 74
IV.LADO.EHZ. 2021-09-10T23:12:06.46 0.1 undecidable manual P 324 27.1506 127 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHE. ML:1.1 0.00004906784 0.256 AML other m 2021-09-10T23:12:13.47
IV.LADO.EHN. ML:1.0 0.000033308209999999995 0.2048 AML other m 2021-09-10T23:12:14.63
IV.PIPA.HHE. ML:1.1 0.000023800000000000003 1.04 AML other m 2021-09-10T23:12:17.68
IV.SELL.HHN. ML:0.6 0.000008496766 1.5904 AML other m 2021-09-10T23:12:18.96
IV.SERS.HHN. ML:0.7 0.0000154 0.46 AML other m 2021-09-10T23:12:18.87
IV.PIPA.HHN. ML:0.8 0.000016595024999999998 1.488 AML other m 2021-09-10T23:12:19.10
IV.SERS.HHE. ML:0.9 0.0000197 0.42 AML other m 2021-09-10T23:12:20.50
IV.SELL.HNE. ML:1.5 0.00007263138999999999 0.7936 AML other m 2021-09-10T23:12:20.58
IV.SELL.HHE. ML:0.6 0.000010969379000000001 0.9344 AML other m 2021-09-10T23:12:23.25
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