Earthquake with magnitude of ML 2.1 on date 18-08-2023 and time 20:26:19 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 2.1 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 18-08-2023 18:26:19 (UTC)
  • 18-08-2023 20:26:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6090, 15.8410 at 31 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
58 Km S of Reggio di Calabria (183035 inhabitants)
59 Km E of Acireale (52622 inhabitants)
67 Km E of Catania (314555 inhabitants)
70 Km SE of Messina (238439 inhabitants)
78 Km NE of Siracusa (122291 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
Reviewed
Rev100
ML 2.1 2023-08-18
18:26:19
37.6087 15.8407 31 2023-08-18
18:40:24
Sala Sismica INGV-Roma 120266001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-18 18:26:19 ± 0.13
Latitude 37.6087 ± 0.0108
Longitude 15.8407 ± 0.0159
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120266001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1766
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 1770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 20
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) 1.23567
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 13
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 120266001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-18 18:40:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-08-18T18:28:03.56 3.0 negative manual Pg 19.65 0
IV.MF5.EHZ. 2023-08-18T18:28:02.93 3.0 undecidable manual Pg 20.950001 0
IV.CSNT.HHZ. 2023-08-18T18:28:00.22 3.0 undecidable manual Pn 2.8 0
IV.CASP.HHZ. 2023-08-18T18:27:53.07 3.0 undecidable manual Pn 0.92 0
OT.OT14.EHZ. 2023-08-18T18:27:37.67 3.0 positive manual Pg 14.48 0
OT.OT05.EHZ. 2023-08-18T18:27:29.08 3.0 negative manual Pg 9.15 0
IV.MCRV.HHZ. 2023-08-18T18:27:14.02 3.0 positive manual Pg 5.68 0
IV.AMUR.HHZ. 2023-08-18T18:27:09.48 3.0 positive manual Pn -1.02 0
IV.HMDC.HHZ. 2023-08-18T18:26:52.89 0.6 undecidable manual S 233 117.8931 54 -0.37 43
IV.HVZN.HHZ. 2023-08-18T18:26:51.29 0.6 undecidable manual S 245 110.112 54 -0.28 44
IV.HLNI.HHZ. 2023-08-18T18:26:46.08 0.6 undecidable manual S 252 90.0432 104 -0.55 43
IV.SSY.HHZ. 2023-08-18T18:26:45.46 0.3 undecidable manual S 234 84.1491 105 0.36 68
IV.HAGA.HHE. 2023-08-18T18:26:41.56 0.6 undecidable manual S 239 70.2741 109 0 50
IV.RAFF.HHZ. 2023-08-18T18:26:41.86 0.1 undecidable manual P 252 137.1627 54 0.49 79
IV.HMDC.HHZ. 2023-08-18T18:26:38.90 0.3 undecidable manual P 233 117.8931 54 -0.08 68
IV.IVPL.HHZ. 2023-08-18T18:26:38.51 1.0 positive manual P 319 113.5974 54 0.06 23
IV.HVZN.HHZ. 2023-08-18T18:26:38.00 0.1 undecidable manual P 245 110.112 54 0 93
IY.CNDF.HHE.00 2023-08-18T18:26:35.13 0.6 undecidable manual S 2 43.8228 120 0.04 53
IV.HLNI.HHZ. 2023-08-18T18:26:35.04 0.1 positive manual P 252 90.0432 104 -0.11 95
IV.HAVL.HHE. 2023-08-18T18:26:35.85 0.3 undecidable manual P 222 95.9262 103 -0.19 69
IV.SSY.HHZ. 2023-08-18T18:26:34.27 0.3 undecidable manual P 234 84.1491 105 0 74
IV.MPAZ.HHE. 2023-08-18T18:26:34.27 0.6 undecidable manual S 21 40.9257 122 -0.16 51
IV.MPNC.HHE. 2023-08-18T18:26:33.19 0.1 undecidable manual P 325 73.371 108 0.5 91
IV.HSRS.HHE. 2023-08-18T18:26:33.51 0.6 undecidable manual P 224 79.0653 106 -0.01 49
IV.HAGA.HHE. 2023-08-18T18:26:32.20 0.1 undecidable manual P 239 70.2741 109 -0.03 100
IV.SOI.EHZ. 2023-08-18T18:26:29.68 0.3 undecidable manual P 20 54.8007 114 -0.33 72
IY.CNDF.HHE.00 2023-08-18T18:26:28.59 0.3 undecidable manual P 2 43.8228 120 0.1 78
IV.MPAZ.HHE. 2023-08-18T18:26:27.98 0.6 undecidable manual P 21 40.9257 122 -0.14 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHE. ML:1.9 0.00015350000000000002 1.46 AML other m 2023-08-18T18:26:37.17
IV.SOI.EHN. ML:1.8 0.00011199999999999998 1.42 AML other m 2023-08-18T18:26:39.20
IV.HLNI.HHE. ML:2.0 0.00010899999999999999 0.52 AML other m 2023-08-18T18:26:46.80
IV.SSY.HHE. ML:2.2 0.000186 0.7 AML other m 2023-08-18T18:26:46.49
IV.SSY.HNN. ML:2.4 0.0002785 1.26 AML other m 2023-08-18T18:26:47.06
IV.SSY.HHN. ML:2.4 0.0002945 0.92 AML other m 2023-08-18T18:26:47.62
IV.HLNI.HHN. ML:1.9 0.0000842 0.1 AML other m 2023-08-18T18:26:47.28
IV.SSY.HNE. ML:2.3 0.0002535 0.9 AML other m 2023-08-18T18:26:47.62
IV.HVZN.HHE. ML:2.3 0.000152 0.9 AML other m 2023-08-18T18:26:53.21
IV.HMDC.HHE. ML:2.3 0.00014649999999999998 0.8 AML other m 2023-08-18T18:26:53.92
IV.HMDC.HHN. ML:2.3 0.00014150000000000002 0.96 AML other m 2023-08-18T18:26:54.02
IV.HVZN.HHN. ML:2.3 0.0001705 0.44 AML other m 2023-08-18T18:26:56.01
IV.IVPL.HHN. ML:2.1 0.00010614999999999999 0.4 AML other m 2023-08-18T18:26:56.49
IV.IVPL.HHE. ML:2.3 0.00014250000000000002 0.76 AML other m 2023-08-18T18:26:56.96
IV.SPS2.HHN. ML:1.9 0.0000233 1.62 AML other m 2023-08-18T18:27:16.04
IV.SPS2.HHE. ML:1.9 0.00002715 0.28 AML other m 2023-08-18T18:27:17.19
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
Waveforms Seismic signals in miniseed + resp format Download