Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-10-2020 and time 01:17:09 (Italy) in region 11 km NW San Giovanni in Fiore (CS)

A magnitude ML 1.5 earthquake occured in region: 11 km NW San Giovanni in Fiore (CS), on

  • 24-10-2020 23:17:09 (UTC)
  • 25-10-2020 01:17:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.3420, 16.6460 at 17 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Giovanni in Fiore CS 11 17372 17372
Savelli KR 12 1271 18643
Longobucco CS 12 3183 21826
Bocchigliero CS 13 1298 23124
Castelsilano KR 13 1015 24139
Cerenzia KR 16 1152 25291
Caccuri KR 17 1663 26954
Campana CS 17 1813 28767
Cotronei KR 17 5480 34247
Verzino KR 19 1851 36098

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Cosenza (67546 inhabitants)
49 Km N of Catanzaro (90612 inhabitants)
49 Km NE of Lamezia Terme (70714 inhabitants)
51 Km NW of Crotone (62178 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 2020-10-24
23:17:09		 39.3418 16.6465 17 2021-02-26
14:56:20		 Bollettino Sismico Italiano INGV 87477031
Reviewed
Rev100 		ML 1.4 2020-10-24
23:17:09		 39.3338 16.6473 15 2020-10-24
23:24:10		 Sala Sismica INGV-Roma 84103791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 23:17:09 ± 0.11
Latitude 39.3418 ± 0.0045
Longitude 16.6465 ± 0.0058
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87477031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56567
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 87477031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-25 12:36:06

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 84103791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 23:24:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2020-10-24T23:19:00.57 3.0 undecidable manual Sn -0.38 0
IV.SAMA.EHZ. 2020-10-24T23:18:55.13 3.0 undecidable manual Sn 5.05 0
IV.MTGR.HHZ. 2020-10-24T23:18:51.03 3.0 undecidable manual Sg 14.46 0
MN.TRI.HHZ. 2020-10-24T23:18:49.77 3.0 positive manual Pn 5.93 0
CR.STON.BHZ. 2020-10-24T23:18:49.18 3.0 undecidable manual Sn 4.62 0
IV.PAOL.HHZ. 2020-10-24T23:18:20.91 3.0 undecidable manual Sg 10.08 0
IV.MTMR.EHZ. 2020-10-24T23:18:13.04 3.0 undecidable manual Sg 9.49 0
IV.HAGA.HHZ. 2020-10-24T23:17:51.17 3.0 negative manual Pg 6.66 0
IV.PETRA.HHZ. 2020-10-24T23:17:46.21 3.0 positive manual Pn 0.48 0
IV.SOI.EHZ. 2020-10-24T23:17:30.45 3.0 negative manual P -0.38 0
MN.CEL.HHZ. 2020-10-24T23:17:28.29 3.0 positive manual P -0.7 0
XK.SELL.HHZ. 2020-10-24T23:17:23.04 0.6 undecidable manual S 182 39.8268 102 0.71 39
IV.CAR1.HHZ. 2020-10-24T23:17:22.11 0.6 undecidable manual S 255 38.628 102 0.1 47
XK.ALB1.HHZ. 2020-10-24T23:17:21.45 0.6 undecidable manual S 187 35.5422 104 0.24 46
IV.SERS.HHZ. 2020-10-24T23:17:20.79 0.3 undecidable manual S 174 34.1436 104 -0.06 72
IV.LADO.EHZ. 2020-10-24T23:17:19.54 0.6 undecidable manual S 103 29.2485 108 -0.07 48
IV.CET2.HHZ. 2020-10-24T23:17:19.71 0.6 undecidable manual P 289 62.7927 96 -0.52 41
IV.SPS2.HHZ. 2020-10-24T23:17:19.11 0.3 undecidable manual S 258 26.9508 110 0.08 72
IV.PIPA.HHZ. 2020-10-24T23:17:18.31 0.3 undecidable manual S 42 21.5673 117 0.63 65
IV.TDS.HHZ. 2020-10-24T23:17:17.40 0.3 undecidable manual P 323 44.1225 100 0.02 71
XK.ALB1.HHZ. 2020-10-24T23:17:16.03 0.1 undecidable manual P 187 35.5422 104 -0.05 96
IV.CAR1.HHZ. 2020-10-24T23:17:16.46 0.3 undecidable manual P 255 38.628 102 -0.09 71
MN.TIP.HHZ. 2020-10-24T23:17:16.99 0.3 undecidable manual S 152 20.4684 119 -0.43 68
XK.SELL.HHZ. 2020-10-24T23:17:16.78 0.1 undecidable manual P 182 39.8268 102 0.05 95
IV.CELI.HHE. 2020-10-24T23:17:15.84 0.3 undecidable manual S 300 13.5753 133 -0.1 74
IV.SERS.HHZ. 2020-10-24T23:17:15.94 0.1 positive manual P 174 34.1436 104 0.06 96
IV.SPS2.HHZ. 2020-10-24T23:17:14.91 0.1 undecidable manual P 258 26.9508 110 0.08 96
IV.LADO.EHZ. 2020-10-24T23:17:14.96 0.3 undecidable manual P 103 29.2485 108 -0.2 70
IV.PIPA.HHZ. 2020-10-24T23:17:13.92 0.1 negative manual P 42 21.5673 117 -0.13 96
IV.CELI.HHE. 2020-10-24T23:17:13.06 0.1 undecidable manual P 300 13.5753 133 0.02 100
MN.TIP.HHZ. 2020-10-24T23:17:13.86 0.1 positive manual P 152 20.4684 119 -0.04 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:1.0 0.0000645 0.36 AML other m 2020-10-24T23:17:17.28
MN.TIP.HHE. ML:1.1 0.0000709 0.44 AML other m 2020-10-24T23:17:17.14
IV.SPS2.HHE. ML:1.4 0.0001104 0.32 AML other m 2020-10-24T23:17:19.40
IV.SPS2.HHN. ML:1.5 0.000146 0.76 AML other m 2020-10-24T23:17:19.41
IV.PIPA.HHN. ML:1.8 0.000338 1.78 AML other m 2020-10-24T23:17:19.90
IV.PIPA.HNN. ML:1.8 0.000367 0.58 AML other m 2020-10-24T23:17:19.61
IV.PIPA.HNE. ML:1.7 0.000275 0.5 AML other m 2020-10-24T23:17:20.52
IV.PIPA.HHE. ML:1.7 0.00027150000000000004 0.26 AML other m 2020-10-24T23:17:21.52
IV.SERS.HHN. ML:1.3 0.0000767 0.44 AML other m 2020-10-24T23:17:21.91
IV.SERS.HHE. ML:1.3 0.00007605 1.12 AML other m 2020-10-24T23:17:22.85
IV.CAR1.HHE. ML:1.4 0.00009429999999999999 0.66 AML other m 2020-10-24T23:17:24.12
IV.CAR1.HHN. ML:1.4 0.0000936 0.54 AML other m 2020-10-24T23:17:24.42
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