Earthquake with magnitude of ML 1.9 on date 28-02-2023 and time 13:28:39 (UTC) in region Mar Ionio Settentrionale (MARE)

A magnitude ML 1.9 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 28-02-2023 13:28:39 (UTC)
  • 28-02-2023 14:28:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6910, 16.5170 at 45 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
90 Km SE of Reggio di Calabria (183035 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 1.9 2023-02-28
13:28:39
37.6912 16.5167 45 2024-03-01
17:17:58
Bollettino Sismico Italiano INGV 115140221
Reviewed
Rev100
ML 1.7 2023-02-28
13:28:38
37.6858 16.5187 49 2023-02-28
13:51:46
Sala Sismica INGV-Roma 114884291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-28 13:28:39 ± 0.16
Latitude 37.6912 ± 0.0072
Longitude 16.5167 ± 0.0148
Depth (km) 45 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115140221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1051
Semi-minor axis of confidence ellipse (meter) 958
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 242
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.32740
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 115140221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-06 22:43:05

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 114884291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-28 13:51:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2023-02-28T13:30:29.47 3.0 undecidable manual Sn -4.8 0
IV.ERC.EHZ. 2023-02-28T13:30:01.39 3.0 undecidable manual Sn -1.86 0
IV.BARO.EHZ. 2023-02-28T13:29:59.40 3.0 undecidable manual Pn -6.19 0
IV.MCRV.HHZ. 2023-02-28T13:29:26.81 3.0 undecidable manual Pn -6.89 0
IV.SSY.HHZ. 2023-02-28T13:29:16.28 0.3 undecidable manual S 245 140.2485 94 -0.25 60
IV.HCRL.HHZ. 2023-02-28T13:29:15.90 0.3 undecidable manual S 251 138.2616 94 -0.22 61
IV.MRCB.HHZ. 2023-02-28T13:29:05.62 0.3 undecidable manual S 307 88.3449 99 0.22 69
IV.PLAC.HHE. 2023-02-28T13:29:04.60 0.3 undecidable manual S 355 84.3489 99 0.03 72
IV.HAVL.HHZ. 2023-02-28T13:29:01.85 0.1 positive manual P 237 147.3414 94 0.28 81
IV.HCRL.HHZ. 2023-02-28T13:29:00.46 0.3 undecidable manual P 251 138.2616 94 0.02 64
IV.SSY.HHZ. 2023-02-28T13:29:00.68 0.3 undecidable manual P 245 140.2485 94 0 63
IV.HSRS.HNN. 2023-02-28T13:28:59.48 0.3 undecidable manual P 240 131.9679 94 -0.18 62
IV.HAGA.HHZ. 2023-02-28T13:28:59.02 0.1 positive manual P 250 128.0718 95 -0.15 84
IV.SOI.EHZ. 2023-02-28T13:28:59.00 0.3 undecidable manual S 316 58.5969 109 -0.18 72
IV.AGST.EHE. 2023-02-28T13:28:58.46 0.1 undecidable manual P 247 123.3876 95 -0.12 85
IV.MPAZ.HHE. 2023-02-28T13:28:57.69 0.3 undecidable manual S 303 53.3022 113 -0.42 69
IV.MSRU.HHE. 2023-02-28T13:28:57.27 0.3 undecidable manual P 306 108.7134 96 0.5 63
IV.MRCB.HHZ. 2023-02-28T13:28:54.42 0.1 undecidable manual P 307 88.3449 99 0.17 93
IV.FERC.HHZ.00 2023-02-28T13:28:54.88 0.3 undecidable manual P 338 91.0422 98 0.29 68
IV.PLAC.HHE. 2023-02-28T13:28:53.42 0.3 undecidable manual P 355 84.3489 99 -0.35 67
TV.GMB1.HHE. 2023-02-28T13:28:53.10 0.1 undecidable manual P 311 81.1521 100 -0.28 91
IY.OPPI.HHZ. 2023-02-28T13:28:52.82 0.3 undecidable manual P 325 77.7666 101 -0.14 70
IY.CNDF.HHZ.00 2023-02-28T13:28:51.92 0.3 undecidable manual P 301 67.377 105 0.22 72
IV.SOI.EHZ. 2023-02-28T13:28:50.66 0.1 negative manual P 316 58.5969 109 0 100
IV.MPAZ.HHE. 2023-02-28T13:28:50.36 0.1 undecidable manual P 303 53.3022 113 0.32 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHE. ML:1.5 0.000044027955 0.6976 AML other m 2023-02-28T13:29:05.12
IV.MRCB.HHN. ML:1.9 0.00007869517500000001 0.7808 AML other m 2023-02-28T13:29:06.65
IV.MRCB.HHE. ML:2.0 0.00008776560499999999 2.2784 AML other m 2023-02-28T13:29:08.70
IV.SOI.EHN. ML:1.4 0.00003675699 1.1008 AML other m 2023-02-28T13:29:11.72
IV.HCRL.HHE. ML:1.9 0.000042899455 1.9776 AML other m 2023-02-28T13:29:19.20
IV.SSY.HHE. ML:2.7 0.00024186790000000003 0.9984 AML other m 2023-02-28T13:29:20.07
IV.SSY.HNE. ML:2.3 0.000108182955 1.7728 AML other m 2023-02-28T13:29:20.36
IV.HCRL.HHN. ML:1.9 0.000047363589999999994 2.0992 AML other m 2023-02-28T13:29:21.73
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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