Earthquake with magnitude of ML 1.6 on date 25-02-2023 and time 03:09:29 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.6 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 25-02-2023 02:09:29 (UTC)
  • 25-02-2023 03:09:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0400, 15.8820 at 58 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Lamezia Terme (70714 inhabitants)
43 Km SW of Cosenza (67546 inhabitants)
63 Km W of Catanzaro (90612 inhabitants)
98 Km N of Messina (238439 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 1.6 2023-02-25
02:09:29
39.0403 15.8817 58 2024-03-01
17:17:57
Bollettino Sismico Italiano INGV 114877331
Reviewed
Rev100
ML 1.9 2023-02-25
02:09:29
39.033 15.8597 56 2023-02-25
02:21:51
Sala Sismica INGV-Roma 114782911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-25 02:09:29 ± 0.1
Latitude 39.0403 ± 0.0054
Longitude 15.8817 ± 0.0116
Depth (km) 58 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114877331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 732
Semi-minor axis of confidence ellipse (meter) 710
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.33275
Epicentral distance of station farthest from the epicenter (degree) 0.96677
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 114782911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-25 02:21:51

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 114877331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-07 01:25:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
3D.OEM9.HNE. 2023-02-25T02:09:59.82 0.6 undecidable manual S 227 105.7164 107 0.08 46
XE.MORMA.HHE. 2023-02-25T02:09:56.81 0.6 undecidable manual S 5 92.3409 111 -0.19 46
IV.PLAC.HHZ. 2023-02-25T02:09:54.84 0.3 undecidable manual S 144 81.3519 114 0.03 72
IV.GRIS.EHZ. 2023-02-25T02:09:54.21 0.6 undecidable manual S 358 77.7666 116 0.11 47
IV.SERS.HNN. 2023-02-25T02:09:53.32 0.6 undecidable manual S 90 69.5748 119 0.79 39
IV.FERC.HHE.00 2023-02-25T02:09:52.31 0.3 undecidable manual S 162 68.5758 120 -0.05 73
IV.CELI.HHZ. 2023-02-25T02:09:52.38 0.6 undecidable manual S 53 67.2771 120 0.27 46
IV.CET2.HHZ. 2023-02-25T02:09:49.99 0.6 undecidable manual S 7 54.501 128 0.15 49
IV.SPS2.HHZ. 2023-02-25T02:09:48.78 0.3 undecidable manual S 55 48.1185 132 0 76
IV.CAR1.HHZ. 2023-02-25T02:09:47.09 0.3 undecidable manual S 50 36.9297 141 -0.02 78
IV.IVPL.HHZ. 2023-02-25T02:09:47.04 0.3 undecidable manual P 227 107.3148 107 0.09 68
3D.OEM9.HNE. 2023-02-25T02:09:46.96 0.1 undecidable manual P 227 105.7164 107 0.2 89
XE.MORMA.HHE. 2023-02-25T02:09:45.00 0.3 undecidable manual P 5 92.3409 111 -0.18 68
IV.PLAC.HHZ. 2023-02-25T02:09:44.26 0.1 undecidable manual P 144 81.3519 114 0.35 90
IV.GRIS.EHZ. 2023-02-25T02:09:43.72 0.3 undecidable manual P 358 77.7666 116 0.22 69
IV.CELI.HHZ. 2023-02-25T02:09:42.10 0.3 undecidable manual P 53 67.2771 120 -0.25 71
IV.FERC.HHE.00 2023-02-25T02:09:42.15 0.3 undecidable manual P 162 68.5758 120 -0.35 68
IV.SERS.HNN. 2023-02-25T02:09:42.42 0.1 undecidable manual P 90 69.5748 119 -0.18 95
IV.SELL.HHZ. 2023-02-25T02:09:42.09 0.3 undecidable manual P 95 64.5909 122 0.01 74
IV.CET2.HHZ. 2023-02-25T02:09:41.10 0.1 undecidable manual P 7 54.501 128 0.06 100
IV.SPS2.HHZ. 2023-02-25T02:09:40.13 0.3 undecidable manual P 55 48.1185 132 -0.3 72
IV.GRI.EHN. 2023-02-25T02:09:40.77 0.3 undecidable manual P 117 52.4031 129 -0.06 75
IV.CAR1.HHZ. 2023-02-25T02:09:39.24 0.1 undecidable manual P 50 36.9297 141 -0.23 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHN. ML:1.4 0.0000444363 0.1392 AML other m 2023-02-25T02:09:47.32
IV.CAR1.HHE. ML:1.5 0.00006188732 0.2192 AML other m 2023-02-25T02:09:47.80
IV.SPS2.HHN. ML:1.0 0.000012803035 0.2208 AML other m 2023-02-25T02:09:49.07
IV.SPS2.HHE. ML:0.8 0.000009477116500000001 0.16 AML other m 2023-02-25T02:09:49.60
IV.CET2.HHN. ML:1.8 0.00010155 1.7 AML other m 2023-02-25T02:09:51.87
IV.CET2.HHE. ML:1.8 0.0000859 0.42 AML other m 2023-02-25T02:09:51.65
IV.CMPR.HHE. ML:1.6 0.000021249999999999998 0.42 AML other m 2023-02-25T02:10:07.78
IV.CMPR.HHN. ML:1.7 0.00002555 0.42 AML other m 2023-02-25T02:10:13.76
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