Earthquake with magnitude of ML 2.1 on date 22-09-2021 and time 09:48:06 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-09-2021 09:48:06 (UTC)
  • 22-09-2021 11:48:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.7040, 15.4850 at 8 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
80 Km NW of Cosenza (67546 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 2.1 2021-09-22
09:48:06
39.7042 15.4848 8 2022-03-30
13:04:07
Bollettino Sismico Italiano INGV 95789461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-22 09:48:06 ± 0.5
Latitude 39.7042 ± 0.0135
Longitude 15.4848 ± 0.0269
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95789461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2499
Semi-minor axis of confidence ellipse (meter) 800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 2500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.28509
Epicentral distance of station farthest from the epicenter (degree) 1.14484
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95789461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-21 18:49:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2021-09-22T09:48:32.16 0.6 undecidable manual S 122 86.247 50 -0.24 46
IV.SERS.HNN. 2021-09-22T09:48:28.37 0.3 undecidable manual P 125 127.0728 50 0.72 55
MN.TIP.HHN. 2021-09-22T09:48:27.48 0.6 undecidable manual P 118 123.6873 50 0.36 42
IV.CELI.HHZ. 2021-09-22T09:48:22.72 0.1 undecidable manual P 111 93.7395 50 0.21 92
IV.MGR.HHZ. 2021-09-22T09:48:22.15 0.6 undecidable manual S 7 48.4182 50 -0.15 51
IV.SPS2.HHZ. 2021-09-22T09:48:21.50 0.3 undecidable manual P 122 86.247 50 0.14 71
IV.CDRU.HHZ. 2021-09-22T09:48:21.05 0.3 undecidable manual P 350 88.4448 50 -0.64 62
IV.CAR1.HHZ. 2021-09-22T09:48:20.38 0.3 undecidable manual P 129 79.8645 50 0.02 74
IX.SRN3.HHZ. 2021-09-22T09:48:20.90 0.6 undecidable manual P 359 86.7465 50 -0.54 43
IV.MCEL.HHZ. 2021-09-22T09:48:20.04 0.3 undecidable manual P 21 73.9704 50 0.58 65
IV.CET2.HHZ. 2021-09-22T09:48:20.07 0.6 undecidable manual S 116 44.622 50 -1.21 35
IV.MTSN.HHZ. 2021-09-22T09:48:19.24 0.3 undecidable manual P 20 66.378 50 0.95 57
IV.TDS.HHZ. 2021-09-22T09:48:19.74 0.6 undecidable manual P 94 72.9714 50 0.43 46
IV.SCHR.EHN. 2021-09-22T09:48:19.63 1.0 undecidable manual P 42 74.4699 50 0.09 24
IV.SIRI.HHZ. 2021-09-22T09:48:18.02 0.3 undecidable manual P 31 62.1933 50 0.37 71
IV.GRIS.EHZ. 2021-09-22T09:48:17.71 0.6 undecidable manual S 83 31.6461 105 0.08 53
IV.MMN.HHZ. 2021-09-22T09:48:15.52 0.3 undecidable manual P 64 47.8188 50 0.09 77
IV.MGR.HHZ. 2021-09-22T09:48:15.06 0.1 undecidable manual P 7 48.4182 50 -0.47 95
IV.CET2.HHZ. 2021-09-22T09:48:14.61 0.1 positive manual P 116 44.622 50 -0.33 99
IV.GRIS.EHZ. 2021-09-22T09:48:12.47 0.1 undecidable manual P 83 31.6461 105 -0.37 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRIS.EHN. ML:2.0 0.000474 1.1 AML other m 2021-09-22T09:48:18.10
IV.GRIS.EHE. ML:1.9 0.0004035 0.82 AML other m 2021-09-22T09:48:18.39
IV.CET2.HHE. ML:2.4 0.000719 0.24 AML other m 2021-09-22T09:48:21.77
IV.CET2.HHN. ML:2.6 0.001129 0.32 AML other m 2021-09-22T09:48:22.50
IV.MGR.HHE. ML:1.9 0.00020250000000000002 0.66 AML other m 2021-09-22T09:48:23.82
IV.MMN.HHN. ML:2.6 0.0010184999999999999 0.86 AML other m 2021-09-22T09:48:24.00
IV.MMN.HHE. ML:2.3 0.0005885 0.14 AML other m 2021-09-22T09:48:24.33
IV.MGR.HHN. ML:1.8 0.000156 0.48 AML other m 2021-09-22T09:48:29.25
IV.SIRI.HHE. ML:1.8 0.000123 0.26 AML other m 2021-09-22T09:48:29.60
IV.SIRI.HNN. ML:2.2 0.000311 1.22 AML other m 2021-09-22T09:48:31.86
IV.SIRI.HHN. ML:2.2 0.000325 1.22 AML other m 2021-09-22T09:48:31.86
IV.CAR1.HHN. ML:2.3 0.0003005 0.7 AML other m 2021-09-22T09:48:31.81
IV.CAR1.HNN. ML:2.3 0.00029549999999999997 0.36 AML other m 2021-09-22T09:48:31.81
IV.SIRI.HNE. ML:2.2 0.0002725 1.74 AML other m 2021-09-22T09:48:32.94
IV.SPS2.HHN. ML:2.3 0.0002255 0.26 AML other m 2021-09-22T09:48:32.60
IV.MTSN.HHE. ML:2.1 0.00020600000000000002 0.34 AML other m 2021-09-22T09:48:32.37
IV.CAR1.HHE. ML:2.2 0.0002445 0.28 AML other m 2021-09-22T09:48:32.88
IV.MCEL.HHE. ML:1.8 0.00010114999999999999 0.32 AML other m 2021-09-22T09:48:33.27
IV.TDS.HHE. ML:1.5 0.00004865 0.5 AML other m 2021-09-22T09:48:33.59
IV.MCEL.HHN. ML:1.8 0.0000945 1.16 AML other m 2021-09-22T09:48:34.07
IV.CAR1.HNE. ML:2.3 0.00025 0.2 AML other m 2021-09-22T09:48:34.12
IV.SPS2.HHE. ML:2.1 0.0001725 1.78 AML other m 2021-09-22T09:48:34.09
IV.MTSN.HHN. ML:1.9 0.000142 0.68 AML other m 2021-09-22T09:48:35.27
IV.CDRU.HHN. ML:1.8 0.0000809 0.4 AML other m 2021-09-22T09:48:35.75
IV.TDS.HHN. ML:1.5 0.0000427 0.34 AML other m 2021-09-22T09:48:35.96
IV.CELI.HHN. ML:1.9 0.0000946 1.14 AML other m 2021-09-22T09:48:36.79
IV.CELI.HHE. ML:1.9 0.0000908 0.22 AML other m 2021-09-22T09:48:36.31
IV.CDRU.HHE. ML:1.7 0.00006175 0.24 AML other m 2021-09-22T09:48:37.04
IX.SRN3.HHN.02 ML:2.2 0.00017749999999999998 0.4 AML other m 2021-09-22T09:48:37.62
IX.SRN3.HHE.02 ML:2.2 0.0002215 0.3 AML other m 2021-09-22T09:48:38.23
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