Earthquake with magnitude of ML 1.8 on date 28-06-2021 and time 03:39:36 (UTC) in region Tirreno Meridionale (MARE)

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

  • 28-06-2021 03:39:36 (UTC)
  • 28-06-2021 05:39:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8920, 14.7730 at 12 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
82 Km S of Battipaglia (50786 inhabitants)
88 Km S of Salerno (135261 inhabitants)
90 Km S of Cava de' Tirreni (53659 inhabitants)
93 Km S of Castellammare di Stabia (66466 inhabitants)
98 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 2021-06-28
03:39:36
39.8923 14.7732 12 2021-12-29
11:12:20
Bollettino Sismico Italiano INGV 93967761
Reviewed
Rev100
ML 1.9 2021-06-28
03:39:35
39.8917 14.7328 10 2021-06-28
03:57:32
Sala Sismica INGV-Roma 91986981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-28 03:39:36 ± 0.28
Latitude 39.8923 ± 0.0090
Longitude 14.7732 ± 0.0199
Depth (km) 12 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93967761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1660
Semi-minor axis of confidence ellipse (meter) 1020
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 1660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 264
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 25
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.42273
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 93967761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-14 13:38:21

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 91986981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-28 03:57:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2021-06-28T03:41:26.33 3.0 undecidable manual Sn -7.41 0
IV.VOBA.EHZ. 2021-06-28T03:41:14.39 3.0 undecidable manual Pn 7.55 0
IV.PP3.EHZ. 2021-06-28T03:41:11.43 3.0 undecidable manual Sn 3.34 0
IV.CADC.HNZ. 2021-06-28T03:41:10.83 3.0 undecidable manual Pn 4.36 0
GU.RNCA.HHZ. 2021-06-28T03:41:05.96 3.0 undecidable manual Pn 3 0
IV.ARRO.EHZ. 2021-06-28T03:41:03.83 3.0 undecidable manual Sg 9.02 0
NI.POLC.HHZ. 2021-06-28T03:41:03.09 3.0 negative manual Pn -1.46 0
IV.CRJA.HHZ. 2021-06-28T03:40:45.04 3.0 undecidable manual Sg 5.95 0
IV.SGRT.HHZ. 2021-06-28T03:40:34.45 3.0 undecidable manual Sg 3.24 0
IV.EFIU.HHZ. 2021-06-28T03:40:33.27 3.0 undecidable manual Sn 1.08 0
IV.MCRV.HHN. 2021-06-28T03:40:07.07 0.6 undecidable manual S 19 104.2179 91 0.64 56
IV.ESAL.HHZ. 2021-06-28T03:40:05.84 3.0 negative manual Pn -0.95 0
MN.CUC.HHE. 2021-06-28T03:40:02.47 1.0 undecidable manual S 82 89.3439 91 0.01 34
IX.SRN3.HNE. 2021-06-28T03:40:02.15 0.6 undecidable manual S 41 87.7455 91 0.11 66
IV.SGO.HHE. 2021-06-28T03:40:01.90 0.6 undecidable manual S 31 86.8464 91 0.12 66
IV.CELI.HHN. 2021-06-28T03:40:01.62 0.6 undecidable manual P 110 157.9197 90 -0.28 54
IX.PST3.HNZ.01 2021-06-28T03:40:01.73 0.6 undecidable manual S 28 84.1491 91 0.66 58
IV.CDRU.HHZ. 2021-06-28T03:39:59.60 0.6 undecidable manual S 34 80.1642 91 -0.39 63
IV.MGR.HHZ. 2021-06-28T03:39:57.95 0.6 undecidable manual S 67 71.6727 91 0.22 67
IX.NSC3.EHE.02 2021-06-28T03:39:55.26 1.0 undecidable manual P 15 109.9122 91 0.75 26
IV.CMPR.HHZ. 2021-06-28T03:39:55.73 0.6 undecidable manual S 43 65.1903 91 -0.28 66
IV.CET2.HHZ. 2021-06-28T03:39:54.71 0.6 undecidable manual P 111 108.6135 91 0.41 59
IV.MCRV.HHN. 2021-06-28T03:39:54.13 0.6 undecidable manual P 19 104.2179 91 0.5 58
IX.COL3.HHE.02 2021-06-28T03:39:53.58 0.6 undecidable manual P 28 100.0221 91 0.61 57
IV.MCEL.HHN. 2021-06-28T03:39:53.36 0.3 undecidable manual P 61 99.6225 91 0.44 90
IV.SIRI.HNE. 2021-06-28T03:39:52.98 0.6 undecidable manual P 71 98.3238 91 0.26 62
IV.GRIS.HNE. 2021-06-28T03:39:52.00 0.6 undecidable manual P 100 93.5397 91 0.02 66
IV.SLCN.HHZ. 2021-06-28T03:39:51.58 1.0 undecidable manual P 53 91.4418 91 -0.08 33
IV.MTSN.HNN. 2021-06-28T03:39:51.86 0.3 undecidable manual P 63 92.8404 91 -0.01 100
IX.PST3.HNZ.01 2021-06-28T03:39:51.06 1.0 undecidable manual P 28 84.1491 91 0.52 30
MN.CUC.HHE. 2021-06-28T03:39:51.58 0.3 undecidable manual P 82 89.3439 91 0.24 95
IX.SRN3.HNE. 2021-06-28T03:39:50.72 0.3 undecidable manual P 41 87.7455 91 -0.38 94
IV.SGO.HHE. 2021-06-28T03:39:50.77 0.3 undecidable manual P 31 86.8464 91 -0.18 98
IV.CDRU.HHZ. 2021-06-28T03:39:49.18 0.3 undecidable manual P 34 80.1642 91 -0.73 84
IV.MGR.HHZ. 2021-06-28T03:39:47.70 0.3 undecidable manual P 67 71.6727 91 -0.91 80
IV.CMPR.HHZ. 2021-06-28T03:39:46.81 0.3 undecidable manual P 43 65.1903 91 -0.81 84
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGR.HNN. ML:2.1 0.00018657194999999998 0.6704 AML other m 2021-06-28T03:39:51.14
IV.CMPR.HNE. ML:1.8 0.00010335127999999999 0.2496 AML other m 2021-06-28T03:39:57.40
IV.CMPR.HHE. ML:1.6 0.00007805000000000001 0.32 AML other m 2021-06-28T03:39:58.39
IV.CMPR.HHN. ML:1.8 0.00010915 0.28 AML other m 2021-06-28T03:39:59.37
IV.MGR.HHE. ML:1.8 0.00010315057 0.2608 AML other m 2021-06-28T03:40:00.33
IV.MGR.HHN. ML:1.9 0.00011964413999999999 0.1808 AML other m 2021-06-28T03:40:00.49
IV.CDRU.HNE. ML:2.1 0.000159577355 0.1312 AML other m 2021-06-28T03:40:00.81
IV.CDRU.HHE. ML:1.5 0.00004068148 0.2 AML other m 2021-06-28T03:40:01.52
IV.CDRU.HNN. ML:1.7 0.00007396344500000001 0.1088 AML other m 2021-06-28T03:40:02.23
IV.CDRU.HHN. ML:1.7 0.000070509105 1.8 AML other m 2021-06-28T03:40:03.94
IV.SLCN.HNE. ML:2.2 0.0001707686 0.5696 AML other m 2021-06-28T03:40:08.91
IV.CET2.HHE. ML:1.5 0.000026695110000000002 0.3808 AML other m 2021-06-28T03:40:09.06
IV.CET2.HHN. ML:1.8 0.00005525 0.16 AML other m 2021-06-28T03:40:09.54
IV.SLCN.HHE. ML:2.2 0.00016849999999999998 1.74 AML other m 2021-06-28T03:40:10.93
IV.SLCN.HHN. ML:1.8 0.00007959201499999999 0.32 AML other m 2021-06-28T03:40:11.61
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