Earthquake with magnitude of ML 1.3 on date 13-08-2023 and time 02:44:32 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.3 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 13-08-2023 00:44:32 (UTC)
  • 13-08-2023 02:44:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8390, 15.5170 at 10 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sant'Alessio Siculo ME 18 1554 1554
Santa Teresa di Riva ME 18 9377 10931
Forza d'Agrò ME 18 911 11842
Furci Siculo ME 18 3382 15224
Roccalumera ME 19 4141 19365
Letojanni ME 19 2861 22226
Nizza di Sicilia ME 19 3667 25893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Reggio di Calabria (183035 inhabitants)
40 Km NE of Acireale (52622 inhabitants)
40 Km S of Messina (238439 inhabitants)
53 Km NE of Catania (314555 inhabitants)
89 Km N 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 1.3 2023-08-13
00:44:32
37.8388 15.5168 10 2023-08-13
01:00:44
Sala Sismica INGV-Roma 120072901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-13 00:44:32 ± 0.18
Latitude 37.8388 ± 0.0108
Longitude 15.5168 ± 0.0148
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120072901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1538
Semi-minor axis of confidence ellipse (meter) 807
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
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) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.18166
Epicentral distance of station farthest from the epicenter (degree) 0.54589
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 120072901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-13 01:00:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-08-13T00:44:47.55 0.6 undecidable manual S 359 47.2194 50 -0.09 48
IV.MPNC.HHE. 2023-08-13T00:44:45.13 0.6 undecidable manual S 337 37.0296 50 0.2 48
IV.NOV.HHZ. 2023-08-13T00:44:45.91 0.6 undecidable manual S 302 39.3273 50 0.37 46
IV.MUCR.HHZ. 2023-08-13T00:44:43.64 1.0 undecidable manual P 292 60.5949 50 0.36 22
IV.EPMN.HHZ. 2023-08-13T00:44:43.39 0.3 undecidable manual S 266 29.8479 50 0.39 70
IV.AIO.HHZ. 2023-08-13T00:44:42.48 0.3 undecidable manual S 301 28.8489 50 -0.27 72
IV.EFIU.HNE. 2023-08-13T00:44:42.54 0.3 undecidable manual S 259 27.4503 50 0.18 73
IV.MSRU.HHZ. 2023-08-13T00:44:41.74 0.6 undecidable manual P 359 47.2194 50 0.54 43
IT.LAZR.HNN. 2023-08-13T00:44:40.57 0.6 undecidable manual S 40 20.1687 117 0.29 48
IV.NOV.HHZ. 2023-08-13T00:44:40.11 0.1 undecidable manual P 302 39.3273 50 0.12 97
IV.MRCB.HHZ. 2023-08-13T00:44:39.65 0.1 undecidable manual P 24 39.3273 50 -0.35 92
IV.ECTS.HHZ. 2023-08-13T00:44:39.08 0.1 undecidable manual P 278 35.0427 50 -0.24 95
IV.MPNC.HHE. 2023-08-13T00:44:39.80 0.1 undecidable manual P 337 37.0296 50 0.16 96
IV.EPOZ.HNE. 2023-08-13T00:44:39.87 0.1 undecidable manual P 237 34.2435 50 0.66 84
IV.EFIU.HNE. 2023-08-13T00:44:38.04 0.1 undecidable manual P 259 27.4503 50 -0.12 99
IV.EPMN.HHZ. 2023-08-13T00:44:38.08 0.1 undecidable manual P 266 29.8479 50 -0.45 92
IV.ESAL.HHE. 2023-08-13T00:44:38.62 0.6 undecidable manual P 255 34.743 50 -0.67 42
IT.ARMO.HNZ. 2023-08-13T00:44:38.80 0.1 undecidable manual P 33 31.4463 50 0.03 100
IV.AIO.HHZ. 2023-08-13T00:44:37.96 0.1 undecidable manual P 301 28.8489 50 -0.42 93
IT.LAZR.HNN. 2023-08-13T00:44:36.95 0.3 undecidable manual P 40 20.1687 117 0 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHE. ML:1.3 0.00006654999999999999 0.28 AML other m 2023-08-13T00:44:46.78
IV.NOV.HHN. ML:1.2 0.00005395 0.3 AML other m 2023-08-13T00:44:47.41
IV.AIO.HHN. ML:1.3 0.00011213489999999999 0.28 AML other m 2023-08-13T00:44:44.35
IV.NOV.HNE. ML:0.9 0.000027527860000000002 0.97 AML other m 2023-08-13T00:44:46.94
IV.MSRU.HHE. ML:1.2 0.000044337095 1.1 AML other m 2023-08-13T00:44:49.04
IV.MSRU.HHN. ML:1.2 0.00005014116 0.78 AML other m 2023-08-13T00:44:55.35
IV.MSRU.HNE. ML:1.5 0.00009206080499999999 0.5 AML other m 2023-08-13T00:44:56.43
IV.MSRU.HNN. ML:1.5 0.00009273342499999999 0.58 AML other m 2023-08-13T00:44:56.10
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