Earthquake with magnitude of ML 1.8 on date 26-11-2023 and time 20:20:45 (UTC) in region Mar Ionio Meridionale (MARE)

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

  • 26-11-2023 20:20:45 (UTC)
  • 26-11-2023 21:20:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4110, 15.7710 at 32 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
57 Km NE of Siracusa (122291 inhabitants)
58 Km E of Acireale (52622 inhabitants)
61 Km E of Catania (314555 inhabitants)
79 Km S of Reggio di Calabria (183035 inhabitants)
89 Km S of Messina (238439 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 1.8 2023-11-26
20:20:45
37.4112 15.7708 32 2023-11-26
20:30:00
Sala Sismica INGV-Roma 123473231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-26 20:20:45 ± 0.21
Latitude 37.4112 ± 0.0081
Longitude 15.7708 ± 0.0147
Depth (km) 32 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123473231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1156
Semi-minor axis of confidence ellipse (meter) 724
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93529
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 123473231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-26 20:30:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CQUE.HHZ. 2023-11-26T20:21:47.32 0.3 undecidable manual Pg 13.21 0
IV.SSY.HHZ. 2023-11-26T20:21:07.25 0.6 undecidable manual S 246 67.6767 111 0.45 45
IV.EPOZ.HHZ. 2023-11-26T20:21:05.26 0.6 undecidable manual S 300 58.7967 114 0.63 41
IV.HSRS.HHE. 2023-11-26T20:21:04.70 0.6 undecidable manual S 234 59.9955 113 -0.2 47
IV.HAGA.HHE. 2023-11-26T20:21:03.62 0.6 undecidable manual S 256 56.0994 115 -0.34 48
IV.AGST.EHZ. 2023-11-26T20:21:02.65 0.6 undecidable manual S 250 50.9157 117 -0.07 50
IV.ISPIC.HHZ. 2023-11-26T20:21:02.86 0.1 undecidable manual P 228 103.8183 54 -0.02 92
IV.HLNI.HHZ. 2023-11-26T20:20:59.26 0.1 undecidable manual P 265 79.5648 107 -0.17 94
IV.HAVL.HHE. 2023-11-26T20:20:59.09 0.1 undecidable manual P 229 76.1682 108 0.17 97
IV.AIO.HHZ. 2023-11-26T20:20:58.73 0.3 undecidable manual Pn -1.04 1.4
IV.SSY.HHZ. 2023-11-26T20:20:57.26 1.0 undecidable manual P 246 67.6767 111 -0.44 22
IV.EPOZ.HHZ. 2023-11-26T20:20:56.63 0.1 undecidable manual P 300 58.7967 114 0.2 97
IV.HSRS.HHE. 2023-11-26T20:20:56.85 0.1 undecidable manual P 234 59.9955 113 0.26 98
IV.HAGA.HHE. 2023-11-26T20:20:56.21 0.1 undecidable manual P 256 56.0994 115 0.16 99
IV.AGST.EHZ. 2023-11-26T20:20:55.54 0.1 undecidable manual P 250 50.9157 117 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:1.7 0.00009357374 0.1408 AML other m 2023-11-26T20:21:07.19
IV.AGST.EHN. ML:2.0 0.00018754425 0.1152 AML other m 2023-11-26T20:21:03.43
IV.EPOZ.HHE. ML:1.8 0.0001080531 0.32 AML other m 2023-11-26T20:21:07.32
IV.EPOZ.HHN. ML:2.0 0.0001627595 0.3968 AML other m 2023-11-26T20:21:06.05
IV.SSY.HHE. ML:1.6 0.00006126938 0.2688 AML other m 2023-11-26T20:21:09.00
IV.SSY.HHN. ML:1.9 0.000127698755 0.1664 AML other m 2023-11-26T20:21:10.43
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