Earthquake with magnitude of ML 1.8 on date 08-11-2021 and time 12:16:35 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 08-11-2021 11:16:35 (UTC)
  • 08-11-2021 12:16:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.8960, 14.5950 at 11 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
86 Km SW of Battipaglia (50786 inhabitants)
88 Km S of Salerno (135261 inhabitants)
90 Km S of Castellammare di Stabia (66466 inhabitants)
90 Km S of Cava de' Tirreni (53659 inhabitants)
95 Km S of Scafati (50787 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 1.8 2021-11-08
11:16:35
39.8957 14.5947 11 2022-03-30
13:04:17
Bollettino Sismico Italiano INGV 97741661
Reviewed
Rev100
ML 1.8 2021-11-08
11:16:35
39.909 14.5942 19 2021-11-08
11:27:34
Sala Sismica INGV-Roma 97340561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-08 11:16:35 ± 0.34
Latitude 39.8957 ± 0.0144
Longitude 14.5947 ± 0.0246
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97741661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2099
Semi-minor axis of confidence ellipse (meter) 414
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 2100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 290
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.62683
Epicentral distance of station farthest from the epicenter (degree) 1.17272
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 97741661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-11 17:27:14

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 97340561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-08 11:27:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SRN3.HHZ.02 2021-11-08T11:17:04.24 0.6 undecidable manual S 48 98.2239 50 0.12 47
IV.SGO.HHE. 2021-11-08T11:17:03.73 1.0 undecidable manual S 39 95.3379 50 0.38 22
IV.CDRU.HHZ. 2021-11-08T11:17:01.56 0.6 undecidable manual S 42 89.244 50 -0.16 48
IV.MGR.HHZ. 2021-11-08T11:17:00.71 0.6 undecidable manual S 71 85.7475 50 -0.09 50
IV.CMPR.HHZ. 2021-11-08T11:16:57.58 0.3 undecidable manual S 52 76.1682 50 -0.67 66
IV.SCHR.EHN. 2021-11-08T11:16:57.72 0.3 undecidable manual P 75 130.1697 50 0.79 56
IV.BULG.HHZ. 2021-11-08T11:16:56.89 0.6 undecidable manual S 73 69.5748 50 0.41 46
IV.CET2.HHN. 2021-11-08T11:16:55.68 0.3 undecidable manual P 109 122.988 50 -0.14 67
IV.MCEL.HHE. 2021-11-08T11:16:54.41 0.3 undecidable manual P 65 112.8981 50 0.14 70
IV.SIRI.HHN. 2021-11-08T11:16:54.97 0.3 undecidable manual P 73 112.6983 50 0.74 59
IV.GRIS.HNZ. 2021-11-08T11:16:53.32 0.3 undecidable manual P 99 108.6135 50 -0.28 67
IV.MTSN.HNE. 2021-11-08T11:16:53.58 0.3 undecidable manual P 67 106.4157 50 0.31 68
IV.SLCN.HNE. 2021-11-08T11:16:53.06 0.6 undecidable manual P 58 103.7184 50 0.21 47
IV.SGO.HHE. 2021-11-08T11:16:51.40 0.1 undecidable manual P 39 95.3379 50 -0.15 93
IX.SRN3.HHZ.02 2021-11-08T11:16:51.86 0.1 undecidable manual P 48 98.2239 50 -0.14 93
IV.CDRU.HHZ. 2021-11-08T11:16:50.70 0.1 undecidable manual P 42 89.244 50 0.08 99
IV.MGR.HHZ. 2021-11-08T11:16:49.34 0.1 undecidable manual P 71 85.7475 50 -0.74 80
IV.CMPR.HHZ. 2021-11-08T11:16:48.41 0.1 undecidable manual P 52 76.1682 50 -0.2 96
IV.BULG.HHZ. 2021-11-08T11:16:47.49 0.1 undecidable manual P 73 69.5748 50 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HHE. ML:1.7 0.000084523535 0.2368 AML other m 2021-11-08T11:16:58.07
IV.BULG.HNE. ML:1.7 0.00008764680499999999 0.256 AML other m 2021-11-08T11:16:58.07
IV.CMPR.HNE. ML:1.8 0.00008997138 0.2624 AML other m 2021-11-08T11:16:59.20
IV.CMPR.HHE. ML:1.7 0.00008247065 0.2624 AML other m 2021-11-08T11:16:59.07
IV.CMPR.HNN. ML:1.7 0.00007316741 0.2496 AML other m 2021-11-08T11:16:59.36
IV.CMPR.HHN. ML:1.6 0.00006480892 0.2752 AML other m 2021-11-08T11:17:00.84
IV.BULG.HNN. ML:2.0 0.000156753 0.3776 AML other m 2021-11-08T11:17:01.73
IV.BULG.HHN. ML:2.0 0.000158 0.38 AML other m 2021-11-08T11:17:01.74
IV.CDRU.HHN. ML:1.5 0.000039876925 0.224 AML other m 2021-11-08T11:17:02.85
IV.CDRU.HNN. ML:1.6 0.00004893220499999999 0.1664 AML other m 2021-11-08T11:17:03.13
IV.MGR.HHN. ML:1.8 0.0000776 1.68 AML other m 2021-11-08T11:17:03.84
IV.CDRU.HNE. ML:1.9 0.00008615713 0.1472 AML other m 2021-11-08T11:17:05.43
IV.CDRU.HHE. ML:1.9 0.0000941 0.14 AML other m 2021-11-08T11:17:05.43
IX.SRN3.HHE.02 ML:2.0 0.0001155 0.42 AML other m 2021-11-08T11:17:07.33
IX.SRN3.HNE.01 ML:2.3 0.00021469324999999996 1.3728 AML other m 2021-11-08T11:17:07.96
IX.SRN3.HHN.02 ML:2.1 0.000132 0.36 AML other m 2021-11-08T11:17:08.42
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