Earthquake with magnitude of ML 1.8 on date 23-08-2020 and time 02:57:48 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.8 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 23-08-2020 00:57:48 (UTC)
  • 23-08-2020 02:57:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.1550, 15.6870 at 77 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
52 Km W of Cosenza (67546 inhabitants)
58 Km W of Lamezia Terme (70714 inhabitants)
83 Km W of Catanzaro (90612 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 1.8 2020-08-23
00:57:48
39.1552 15.687 77 2020-11-19
12:37:01
Bollettino Sismico Italiano INGV 82819481
Reviewed
Rev100
ML 1.6 2020-08-23
00:57:48
39.1512 15.7317 79 2020-08-23
01:04:40
Sala Sismica INGV-Roma 82245301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-23 00:57:48 ± 0.17
Latitude 39.1552 ± 0.0072
Longitude 15.6870 ± 0.0139
Depth (km) 77 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82819481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1097
Semi-minor axis of confidence ellipse (meter) 650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95238
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 82819481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-11 15:04:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 82245301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-23 01:04:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2020-08-23T00:59:29.36 3.0 undecidable manual Sg 17.4 0
IV.LAV9.HNZ. 2020-08-23T00:59:18.02 3.0 undecidable manual Sn -0.66 0
IV.MAON.HHZ. 2020-08-23T00:59:11.18 3.0 undecidable manual Pg 14.13 0
IV.LRP.EHZ. 2020-08-23T00:59:10.15 3.0 undecidable manual Sn 2.25 0
IV.SGRT.HHZ. 2020-08-23T00:58:59.39 3.0 undecidable manual Sn 1.23 0
IV.SCIAR.HHZ. 2020-08-23T00:58:53.19 3.0 undecidable manual Sg 7.2 0
IV.MTMR.EHZ. 2020-08-23T00:58:49.39 3.0 undecidable manual Sg 8.3 0
IV.RMP.HHZ. 2020-08-23T00:58:46.43 3.0 negative manual Pn 6.64 0
IV.TOLF.HHZ. 2020-08-23T00:58:46.50 3.0 positive manual Pn -0.72 0
IV.LINA.HHZ. 2020-08-23T00:58:45.67 3.0 undecidable manual Pn -1.51 0
IV.NOCI.HHZ. 2020-08-23T00:58:40.79 3.0 undecidable manual Sn -1.51 0
OT.OT11.EHZ. 2020-08-23T00:58:24.22 3.0 positive manual Pn 0.06 0
IV.MILZ.HHZ. 2020-08-23T00:58:21.20 0.6 undecidable manual S 202 105.7164 119 0.15 44
MN.CEL.HHZ. 2020-08-23T00:58:20.00 0.6 undecidable manual S 170 100.8213 120 -0.14 44
MN.CUC.HHZ. 2020-08-23T00:58:19.00 1.0 undecidable manual S 7 93.7395 122 0.18 22
IV.CELI.HHZ. 2020-08-23T00:58:16.10 0.1 undecidable manual S 68 75.7686 129 0.43 88
IV.TDS.HHZ. 2020-08-23T00:58:15.90 0.6 undecidable manual S 45 79.0653 128 -0.33 44
IV.JOPP.HHZ. 2020-08-23T00:58:13.80 0.6 undecidable manual S 164 63.1923 135 0.14 48
IV.SPS2.HHZ. 2020-08-23T00:58:12.90 0.6 undecidable manual S 75 57.9975 138 0.01 49
IV.CET2.HHZ. 2020-08-23T00:58:11.90 0.6 undecidable manual S 29 47.4192 144 0.47 46
IV.CAR1.HHZ. 2020-08-23T00:58:11.10 0.6 undecidable manual S 76 46.4202 144 -0.21 48
XK.GIZZ.HHZ. 2020-08-23T00:58:11.50 0.6 undecidable manual S 113 48.9177 143 -0.13 49
IV.MILZ.HHZ. 2020-08-23T00:58:07.65 0.1 undecidable manual P 202 105.7164 119 0.25 86
MN.CEL.HHZ. 2020-08-23T00:58:06.70 0.1 positive manual P 170 100.8213 120 -0.18 88
IV.PLAC.HHZ. 2020-08-23T00:58:06.98 0.1 positive manual P 140 101.7204 120 0.01 91
MN.CUC.HHZ. 2020-08-23T00:58:05.92 0.1 negative manual P 7 93.7395 122 -0.19 89
IV.SERS.HHZ. 2020-08-23T00:58:05.37 0.1 positive manual P 98 87.246 124 -0.07 92
XK.SELL.HHZ. 2020-08-23T00:58:05.14 0.1 positive manual P 103 83.25 126 0.1 92
IV.CELI.HHZ. 2020-08-23T00:58:04.38 0.1 negative manual P 68 75.7686 129 0.08 94
IV.TDS.HHZ. 2020-08-23T00:58:03.64 0.1 undecidable manual P 45 79.0653 128 -0.98 71
IV.JOPP.HHZ. 2020-08-23T00:58:03.47 0.1 positive manual P 164 63.1923 135 0.34 92
IV.SPS2.HHZ. 2020-08-23T00:58:02.57 0.1 negative manual P 75 57.9975 138 -0.12 97
IV.CET2.HHZ. 2020-08-23T00:58:02.13 0.1 negative manual P 29 47.4192 144 0.28 95
XK.GIZZ.HHZ. 2020-08-23T00:58:01.89 0.1 positive manual P 113 48.9177 143 -0.07 99
IV.CAR1.HHZ. 2020-08-23T00:58:01.72 0.1 negative manual P 76 46.4202 144 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHN. ML:0.0 0.00007399678500000001 0.24 AML other m 2020-08-23T00:58:11.32
IV.CAR1.HHE. ML:0.0 0.0000887356 0.28 AML other m 2020-08-23T00:58:12.27
IV.CET2.HHN. ML:0.0 0.000123636575 0.08 AML other m 2020-08-23T00:58:12.63
IV.CET2.HHE. ML:0.0 0.00006549515999999999 0.12 AML other m 2020-08-23T00:58:13.22
IV.SPS2.HHN. ML:0.0 0.0000671725 0.26 AML other m 2020-08-23T00:58:13.39
IV.SPS2.HHE. ML:0.0 0.00003921829 0.2 AML other m 2020-08-23T00:58:13.73
IV.JOPP.HHN. ML:0.0 0.00009227795499999999 0.26 AML other m 2020-08-23T00:58:14.26
IV.JOPP.HHE. ML:0.0 0.000083314905 0.16 AML other m 2020-08-23T00:58:14.52
IV.CELI.HHN. ML:0.0 0.000015667695000000002 0.28 AML other m 2020-08-23T00:58:16.99
IV.CELI.HHE. ML:0.0 0.0000110925955 0.18 AML other m 2020-08-23T00:58:17.02
MN.CUC.HHE. ML:1.3 0.00001605 0.42 AML other m 2020-08-23T00:58:19.62
MN.CEL.HHE. ML:1.6 0.00002305 0.48 AML other m 2020-08-23T00:58:20.37
IV.SERS.HHN. ML:0.0 0.00003665725 0.48 AML other m 2020-08-23T00:58:21.00
IV.SERS.HHE. ML:0.0 0.00002207602 0.5 AML other m 2020-08-23T00:58:21.32
MN.CUC.HHN. ML:0.0 0.000010458465 0.16 AML other m 2020-08-23T00:58:19.24
MN.CEL.HHN. ML:0.0 0.000014536112 0.3 AML other m 2020-08-23T00:58:24.31
IV.CAR1.HNE. ML:2.1 0.0001568683 1.6 AML other m 2020-08-23T00:58:19.01
IV.CAR1.HNN. ML:2.2 0.000174708415 0.7496 AML other m 2020-08-23T00:58:24.94
IV.SERS.HNN. ML:1.6 0.000030989154999999995 0.68 AML other m 2020-08-23T00:58:16.23
MN.CUC.HNE. ML:2.0 0.00008065343999999999 1.12 AML other m 2020-08-23T00:58:29.00
MN.CEL.HNE. ML:2.1 0.000093244885 1.06 AML other m 2020-08-23T00:58:32.65
IV.PLAC.HHE. ML:1.9 0.00004872456 0.36 AML other m 2020-08-23T00:58:24.90
IV.PLAC.HHN. ML:1.6 0.000025924495 0.38 AML other m 2020-08-23T00:58:25.05
IV.PLAC.HNE. ML:1.8 0.0000463578 1.1 AML other m 2020-08-23T00:58:24.13
IV.PLAC.HNN. ML:2.0 0.000068065965 1.2 AML other m 2020-08-23T00:58:36.33
IV.MILZ.HHN. ML:1.8 0.000043804835 0.36 AML other m 2020-08-23T00:58:25.81
IV.MILZ.HHE. ML:2.1 0.00008240232 0.34 AML other m 2020-08-23T00:58:27.12
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