Earthquake with magnitude of ML 1.4 on date 26-12-2023 and time 00:46:31 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.4 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 25-12-2023 23:46:31 (UTC)
  • 26-12-2023 00:46:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.6200, 15.7490 at 87 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
Diamante CS 9 5329 5329
Belvedere Marittimo CS 10 9371 14700
Bonifati CS 14 2858 17558
MaierĂ  CS 14 1224 18782
Buonvicino CS 14 2247 21029
Sangineto CS 14 1338 22367
Grisolia CS 15 2249 24616
Santa Maria del Cedro CS 16 4954 29570

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km NW of Cosenza (67546 inhabitants)
87 Km NW 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
Reviewed
Rev100
ML 1.4 2023-12-25
23:46:31
39.6203 15.7488 87 2023-12-26
00:37:41
Sala Sismica INGV-Roma 124269221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-25 23:46:31 ± 0.38
Latitude 39.6203 ± 0.0369
Longitude 15.7488 ± 0.0525
Depth (km) 87 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124269221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4978
Semi-minor axis of confidence ellipse (meter) 3392
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 4980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 124269221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-26 00:37:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XE.SHEVA.HHE. 2023-12-25T23:46:56.22 1.0 undecidable manual S 59 41.7249 151 1.35 15
IV.SALB.HNZ. 2023-12-25T23:46:56.80 0.6 undecidable manual S 61 58.3971 142 -0.05 47
XE.MORMA.HHZ. 2023-12-25T23:46:54.00 0.6 undecidable manual S 34 33.6441 156 -0.09 49
IV.GRIS.EHZ. 2023-12-25T23:46:53.20 0.6 undecidable manual S 34 15.9729 168 0.28 49
IV.CET2.HHZ. 2023-12-25T23:46:53.10 0.3 undecidable manual S 120 20.3685 165 -0.04 77
XE.T0702.HHZ. 2023-12-25T23:46:53.70 0.6 undecidable manual S 69 30.6471 158 -0.14 49
IV.BULG.HHZ. 2023-12-25T23:46:46.82 0.6 positive manual P 328 59.7957 141 0.74 39
IV.SALB.HNZ. 2023-12-25T23:46:46.02 0.1 undecidable manual P 61 58.3971 142 0.06 95
XE.ZIDIL.HNE. 2023-12-25T23:46:45.52 0.1 undecidable manual P 67 47.1195 148 0.37 91
XE.SHEVA.HHE. 2023-12-25T23:46:44.87 0.1 undecidable manual P 59 41.7249 151 0.05 98
XE.MORMA.HHZ. 2023-12-25T23:46:43.84 0.1 undecidable manual P 34 33.6441 156 -0.52 91
IV.GRIS.EHZ. 2023-12-25T23:46:43.40 0.1 undecidable manual P 34 15.9729 168 -0.29 98
IV.CET2.HHZ. 2023-12-25T23:46:43.96 0.1 positive manual P 120 20.3685 165 0.14 100
XE.T0702.HHZ. 2023-12-25T23:46:43.91 0.1 undecidable manual P 69 30.6471 158 -0.32 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRIS.EHN. ML:0.0 0.00006241394 4.4288 AML other m 2023-12-25T23:46:51.74
IV.GRIS.HNE. ML:0.0 0.00012689880000000002 1.4208 AML other m 2023-12-25T23:46:47.94
XE.T0702.HHE. ML:0.0 0.000027858824999999997 1.0368 AML other m 2023-12-25T23:46:54.76
XE.T0702.HHN. ML:0.0 0.000020149935 3.0208 AML other m 2023-12-25T23:46:50.07
IV.CET2.HHE. ML:0.0 0.000053334655 0.96 AML other m 2023-12-25T23:46:52.75
IV.CET2.HHN. ML:0.0 0.000095161955 0.4608 AML other m 2023-12-25T23:46:54.05
IV.GRIS.EHE. ML:0.0 0.00006692801000000001 4.7744 AML other m 2023-12-25T23:46:51.10
IV.GRIS.HNN. ML:0.0 0.00021118702 17.5104 AML other m 2023-12-25T23:47:14.13
XE.MORMA.HHE. ML:0.0 0.000045923645 3.1488 AML other m 2023-12-25T23:47:15.32
XE.MORMA.HHN. ML:0.0 0.000042581505000000006 3.2512 AML other m 2023-12-25T23:46:59.09
XE.MORMA.HNE. ML:0.0 0.00011645721500000001 1.5232 AML other m 2023-12-25T23:46:49.61
XE.MORMA.HNN. ML:0.0 0.00010116845 1.3568 AML other m 2023-12-25T23:46:49.56
XE.T0702.HNE. ML:0.0 0.000032876155 1.0496 AML other m 2023-12-25T23:47:11.35
XE.T0702.HNN. ML:0.0 0.00006249695500000001 4.6464 AML other m 2023-12-25T23:46:59.06
IV.BULG.HNE. ML:0.0 0.00006146621000000001 2.752 AML other m 2023-12-25T23:46:46.57
IV.BULG.HNN. ML:0.0 0.000096620785 2.3424 AML other m 2023-12-25T23:46:50.11
IV.BULG.HHE. ML:0.0 0.00003905733 3.6608 AML other m 2023-12-25T23:47:14.50
IV.BULG.HHN. ML:0.0 0.00009063748499999999 2.176 AML other m 2023-12-25T23:46:50.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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