Earthquake with magnitude of ML 1.0 on date 08-09-2021 and time 13:24:06 (Italy) in region 3 km S Acri (CS)

A magnitude ML 1.0 earthquake occured in region: 3 km S Acri (CS), on

  • 08-09-2021 11:24:06 (UTC)
  • 08-09-2021 13:24:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4630, 16.3770 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 3 20858 20858
Luzzi CS 8 9396 30254
Bisignano CS 10 10203 40457
Rose CS 10 4373 44830
Santa Sofia d'Epiro CS 10 2628 47458
San Demetrio Corone CS 12 3559 51017
San Cosmo Albanese CS 14 591 51608
San Pietro in Guarano CS 14 3663 55271
Castiglione Cosentino CS 14 2896 58167
Vaccarizzo Albanese CS 15 1125 59292
San Giorgio Albanese CS 15 1432 60724
Lappano CS 17 941 61665
Celico CS 17 2802 64467
Rovito CS 18 3158 67625
Zumpano CS 18 2570 70195
Spezzano della Sila CS 19 4541 74736
Spezzano Piccolo CS 19 2079 76815
Corigliano Calabro CS 19 40427 117242
Tarsia CS 19 2054 119296
Montalto Uffugo CS 20 19669 138965

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Cosenza (67546 inhabitants)
54 Km N of Lamezia Terme (70714 inhabitants)
65 Km N 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 1.0 2021-09-08
11:24:06
39.463 16.3773 11 2022-03-30
13:04:39
Bollettino Sismico Italiano INGV 101397611
Reviewed
Rev100
ML 1.0 2021-09-08
11:24:06
39.4585 16.3923 9 2021-09-08
11:29:50
Sala Sismica INGV-Roma 95194321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-08 11:24:06 ± 0.06
Latitude 39.4630 ± 0.0036
Longitude 16.3773 ± 0.0047
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101397611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 393
Semi-minor axis of confidence ellipse (meter) 374
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.49013
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 95194321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-08 11:29:50

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 101397611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 00:21:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2021-09-08T11:24:19.69 0.6 undecidable manual S 86 37.629 50 0.11 49
IV.CET2.HHZ. 2021-09-08T11:24:19.79 0.6 undecidable manual S 282 36.9297 50 0.4 46
IV.CAR1.HHZ. 2021-09-08T11:24:16.64 0.6 undecidable manual S 212 27.2505 50 -0.17 49
IV.SERS.HHE. 2021-09-08T11:24:16.73 0.3 undecidable manual P 150 54.4011 50 -0.09 71
IV.TDS.HHZ. 2021-09-08T11:24:15.29 0.6 undecidable manual S 351 22.1556 115 -0.15 50
IV.PIPA.HHZ. 2021-09-08T11:24:14.00 0.3 undecidable manual P 86 37.629 50 -0.24 71
IV.CET2.HHZ. 2021-09-08T11:24:14.28 0.3 undecidable manual P 282 36.9297 50 0.15 72
IV.SPS2.HHZ. 2021-09-08T11:24:14.42 0.6 undecidable manual S 190 19.3695 118 -0.16 50
IV.CELI.HHE. 2021-09-08T11:24:13.00 0.6 undecidable manual S 121 13.0758 129 0.23 50
IV.CAR1.HHZ. 2021-09-08T11:24:12.60 0.3 undecidable manual P 212 27.2505 50 -0.04 75
IV.SPS2.HHZ. 2021-09-08T11:24:11.31 0.3 undecidable manual P 190 19.3695 118 -0.05 76
IV.TDS.HHZ. 2021-09-08T11:24:11.74 0.1 undecidable manual P 351 22.1556 115 -0.11 100
IV.CELI.HHE. 2021-09-08T11:24:10.51 0.1 undecidable manual P 121 13.0758 129 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:1.0 0.000068 0.28 AML other m 2021-09-08T11:24:14.51
IV.SPS2.HHN. ML:0.9 0.0000582 0.22 AML other m 2021-09-08T11:24:14.74
IV.TDS.HHN. ML:0.6 0.000027 0.76 AML other m 2021-09-08T11:24:15.46
IV.TDS.HHE. ML:0.6 0.00002385 0.56 AML other m 2021-09-08T11:24:16.39
IV.CAR1.HHE. ML:0.9 0.000044800000000000005 0.4 AML other m 2021-09-08T11:24:17.59
IV.CAR1.HHN. ML:1.2 0.00007364999999999999 0.68 AML other m 2021-09-08T11:24:18.06
IV.CET2.HHN. ML:1.5 0.00011030000000000001 1.1 AML other m 2021-09-08T11:24:20.84
IV.PIPA.HHE. ML:1.3 0.0000704 0.3 AML other m 2021-09-08T11:24:21.83
IV.CET2.HHE. ML:1.2 0.00005915 0.92 AML other m 2021-09-08T11:24:22.09
IV.PIPA.HHN. ML:1.2 0.00005465000000000001 0.16 AML other m 2021-09-08T11:24:24.59
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