Earthquake with magnitude of ML 1.1 on date 15-10-2021 and time 17:55:54 (Italy) in region 6 km S Acri (CS)

A magnitude ML 1.1 earthquake occured in region: 6 km S Acri (CS), on

  • 15-10-2021 15:55:54 (UTC)
  • 15-10-2021 17:55:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4360, 16.3620 at 10 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acri CS 6 20858 20858
Luzzi CS 6 9396 30254
Rose CS 7 4373 34627
Bisignano CS 11 10203 44830
San Pietro in Guarano CS 11 3663 48493
Castiglione Cosentino CS 11 2896 51389
Santa Sofia d'Epiro CS 13 2628 54017
Lappano CS 13 941 54958
Celico CS 14 2802 57760
Rovito CS 14 3158 60918
San Demetrio Corone CS 15 3559 64477
Zumpano CS 15 2570 67047
Spezzano della Sila CS 15 4541 71588
Spezzano Piccolo CS 16 2079 73667
Trenta CS 17 2633 76300
Casole Bruzio CS 17 2578 78878
San Cosmo Albanese CS 17 591 79469
Serra Pedace CS 17 986 80455
Montalto Uffugo CS 18 19669 100124
Pedace CS 18 1907 102031
Vaccarizzo Albanese CS 18 1125 103156
Cosenza CS 18 67546 170702
San Giorgio Albanese CS 18 1432 172134
Rende CS 19 35338 207472
Pietrafitta CS 19 1310 208782
Lattarico CS 20 4013 212795
San Vincenzo La Costa CS 20 2195 214990
Castrolibero CS 20 9894 224884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Cosenza (67546 inhabitants)
51 Km N of Lamezia Terme (70714 inhabitants)
62 Km NW of Catanzaro (90612 inhabitants)
77 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 1.1 2021-10-15
15:55:54
39.4355 16.3622 10 2022-03-30
13:04:37
Bollettino Sismico Italiano INGV 100884601
Reviewed
Rev100
ML 1.1 2021-10-15
15:55:54
39.4242 16.3682 14 2021-10-15
16:02:19
Sala Sismica INGV-Roma 96616211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-15 15:55:54 ± 0.12
Latitude 39.4355 ± 0.0081
Longitude 16.3622 ± 0.0105
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100884601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 918
Semi-minor axis of confidence ellipse (meter) 669
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.49643
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 100884601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 17:32:40

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 96616211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-15 16:02:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.HNE. 2021-10-15T15:56:12.71 0.6 undecidable manual S 308 55.1004 50 0.51 43
MN.TIP.HHZ. 2021-10-15T15:56:08.74 0.6 undecidable manual S 130 44.3223 50 -0.58 43
IV.CET2.HHZ. 2021-10-15T15:56:07.23 0.6 undecidable manual S 287 36.3414 50 0.03 49
IV.GRIS.HNE. 2021-10-15T15:56:04.99 0.3 undecidable manual P 308 55.1004 50 0.15 69
IV.TDS.HHE. 2021-10-15T15:56:03.60 0.6 undecidable manual S 355 24.9528 112 -0.52 45
IV.PIPA.HHZ. 2021-10-15T15:56:02.35 0.3 undecidable manual P 82 39.2274 50 -0.04 73
MN.TIP.HHZ. 2021-10-15T15:56:02.87 0.3 undecidable manual P 130 44.3223 50 -0.3 69
IV.CET2.HHZ. 2021-10-15T15:56:02.24 0.1 undecidable manual P 287 36.3414 50 0.29 93
IV.CELI.HHZ. 2021-10-15T15:56:01.06 0.3 undecidable manual S 106 13.0758 127 0.57 68
IV.SPS2.HHZ. 2021-10-15T15:56:00.97 0.3 undecidable manual S 187 16.1727 122 -0.4 71
IV.CAR1.HHZ. 2021-10-15T15:56:00.14 0.3 undecidable manual P 213 23.9538 113 0.16 73
IV.TDS.HHE. 2021-10-15T15:55:59.48 0.3 undecidable manual P 355 24.9528 112 -0.69 63
IV.SPS2.HHZ. 2021-10-15T15:55:58.47 0.1 undecidable manual P 187 16.1727 122 -0.12 100
IV.CELI.HHZ. 2021-10-15T15:55:58.54 0.1 undecidable manual P 106 13.0758 127 0.46 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHN. ML:1.0 0.00009204999999999999 0.14 AML other m 2021-10-15T15:56:01.14
IV.CELI.HNE. ML:1.3 0.00019984404999999998 0.1792 AML other m 2021-10-15T15:56:01.17
IV.CELI.HHE. ML:1.3 0.0001950598 0.1792 AML other m 2021-10-15T15:56:01.17
IV.SPS2.HHE. ML:1.0 0.00008715 0.38 AML other m 2021-10-15T15:56:01.25
IV.CELI.HHN. ML:0.7 0.000053292195 0.1024 AML other m 2021-10-15T15:56:01.51
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