Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-08-2020 and time 02:09:52 (UTC) in region 8 km E Aprigliano (CS)

A magnitude ML 1.6 earthquake occured in region: 8 km E Aprigliano (CS), on

  • 11-08-2020 02:09:52 (UTC)
  • 11-08-2020 04:09:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.2550, 16.4380 at 15 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
Aprigliano CS 8 2890 2890
Pietrafitta CS 9 1310 4200
Serra Pedace CS 9 986 5186
Pedace CS 9 1907 7093
Spezzano Piccolo CS 9 2079 9172
Casole Bruzio CS 10 2578 11750
Cellara CS 10 504 12254
Figline Vegliaturo CS 10 1137 13391
Spezzano della Sila CS 10 4541 17932
Piane Crati CS 10 1423 19355
Parenti CS 10 2188 21543
Celico CS 11 2802 24345
Mangone CS 11 1891 26236
Trenta CS 11 2633 28869
Rovito CS 12 3158 32027
Santo Stefano di Rogliano CS 12 1725 33752
Rogliano CS 13 5637 39389
Lappano CS 13 941 40330
Zumpano CS 14 2570 42900
Marzi CS 15 989 43889
San Pietro in Guarano CS 15 3663 47552
Paterno Calabro CS 15 1398 48950
Colosimi CS 15 1247 50197
Belsito CS 16 923 51120
Dipignano CS 16 4376 55496
Cosenza CS 16 67546 123042
Carpanzano CS 17 255 123297
Castiglione Cosentino CS 17 2896 126193
Bianchi CS 17 1305 127498
Scigliano CS 18 1226 128724
Carolei CS 19 3330 132054
Malito CS 20 783 132837
Soveria Mannelli CZ 20 3076 135913
Pedivigliano CS 20 831 136744

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Cosenza (67546 inhabitants)
33 Km NE of Lamezia Terme (70714 inhabitants)
41 Km NW of Catanzaro (90612 inhabitants)
62 Km W 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 1.6 2020-08-11
02:09:52		 39.2547 16.4378 15 2020-11-19
12:36:58		 Bollettino Sismico Italiano INGV 82369321
Reviewed
Rev100 		ML 1.5 2020-08-11
02:09:52		 39.2553 16.432 15 2020-08-11
02:17:25		 Sala Sismica INGV-Roma 81862821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-11 02:09:52 ± 0.1
Latitude 39.2547 ± 0.0045
Longitude 16.4378 ± 0.0058
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82369321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 512
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 1.11426
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 82369321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-10 09:16:24

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 81862821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-11 02:17:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2020-08-11T02:10:13.58 0.3 undecidable manual P 323 123.6873 92 0.58 54
IV.JOPP.HHZ. 2020-08-11T02:10:07.66 0.1 undecidable manual P 214 86.247 93 0.43 82
IV.TDS.HHE. 2020-08-11T02:10:06.96 0.3 undecidable manual S 349 45.8208 97 -0.29 68
XK.GIZZ.HHZ. 2020-08-11T02:10:04.74 0.6 undecidable manual S 213 36.3414 99 -0.01 49
IV.SERS.HHZ. 2020-08-11T02:10:03.34 0.3 undecidable manual S 138 32.4453 101 -0.39 68
MN.TIP.HHZ. 2020-08-11T02:10:02.81 0.1 undecidable manual S 107 28.749 103 0.04 98
IV.CET2.HHZ. 2020-08-11T02:10:01.75 0.1 undecidable manual P 306 51.4152 96 -0.13 92
IV.LADO.EHZ. 2020-08-11T02:10:01.17 0.3 undecidable manual P 86 46.62 97 0.03 72
IV.GRI.EHN. 2020-08-11T02:10:00.94 0.3 undecidable manual P 182 48.0186 96 -0.41 66
IV.TDS.HHE. 2020-08-11T02:10:00.52 0.3 undecidable manual P 349 45.8208 97 -0.5 65
IV.CAR1.HHZ. 2020-08-11T02:10:00.25 0.6 undecidable manual S 270 19.4694 114 -0.16 49
IV.CELI.HNE. 2020-08-11T02:10:00.15 0.3 undecidable manual S 20 17.5713 118 0.21 72
XK.GIZZ.HHZ. 2020-08-11T02:09:59.52 0.1 undecidable manual P 213 36.3414 99 -0.06 96
IV.SERS.HHZ. 2020-08-11T02:09:59.06 0.1 undecidable manual P 138 32.4453 101 0.07 97
IV.SPS2.HHZ. 2020-08-11T02:09:58.14 0.6 undecidable manual S 295 9.3795 140 -0.12 51
MN.TIP.HHZ. 2020-08-11T02:09:58.64 0.1 positive manual P 107 28.749 103 0.21 95
IV.CELI.HNE. 2020-08-11T02:09:57.03 0.1 undecidable manual P 20 17.5713 118 0.23 96
IV.CAR1.HHZ. 2020-08-11T02:09:57.03 0.1 positive manual P 270 19.4694 114 -0.04 100
IV.SPS2.HHZ. 2020-08-11T02:09:55.92 0.1 positive manual P 295 9.3795 140 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:1.4 0.000265 0.46 AML other m 2020-08-11T02:09:58.34
IV.SPS2.HHN. ML:1.6 0.00035999999999999997 0.34 AML other m 2020-08-11T02:09:58.64
IV.CAR1.HHN. ML:2.0 0.0006730000000000001 0.34 AML other m 2020-08-11T02:10:00.61
IV.CAR1.HNN. ML:1.9 0.0005675 0.6 AML other m 2020-08-11T02:10:00.93
IV.CAR1.HHE. ML:1.9 0.0005250000000000001 0.12 AML other m 2020-08-11T02:10:01.20
IV.CAR1.HNE. ML:1.9 0.0004925 0.12 AML other m 2020-08-11T02:10:01.20
MN.TIP.HHN. ML:1.4 0.0001275 1.8 AML other m 2020-08-11T02:10:03.08
MN.TIP.HHE. ML:1.6 0.000187 0.38 AML other m 2020-08-11T02:10:03.03
IV.SERS.HHN. ML:1.2 0.0000705 1.48 AML other m 2020-08-11T02:10:03.13
IV.SERS.HHE. ML:1.5 0.000123 1.5 AML other m 2020-08-11T02:10:04.04
IV.CET2.HHN. ML:1.9 0.000189 0.34 AML other m 2020-08-11T02:10:09.66
IV.CET2.HHE. ML:1.6 0.000107 0.92 AML other m 2020-08-11T02:10:09.37
IV.LADO.EHN. ML:1.5 0.0000802 0.58 AML other m 2020-08-11T02:10:10.65
IV.LADO.EHE. ML:1.6 0.00010159999999999999 1.42 AML other m 2020-08-11T02:10:11.91
IV.JOPP.HHN. ML:1.2 0.0000205 1.26 AML other m 2020-08-11T02:10:20.94
IV.JOPP.HHE. ML:1.3 0.00002735 0.2 AML other m 2020-08-11T02:10:22.14
IV.MGR.HHN. ML:1.3 0.000016149999999999996 0.98 AML other m 2020-08-11T02:10:32.07
IV.MGR.HHE. ML:1.3 0.000014999999999999999 0.66 AML other m 2020-08-11T02:10:32.39
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