Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 26-03-2023 and time 15:07:19 (UTC) in region Adriatico Centrale (MARE)

A magnitude ML 2.3 earthquake occured in region: Adriatico Centrale (MARE), on

  • 26-03-2023 15:07:19 (UTC)
  • 26-03-2023 17:07:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6040, 16.2650 at 10 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2.3 2023-03-26
15:07:19		 42.6038 16.2648 10 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116405761
Reviewed
Rev100 		ML 2.3 2023-03-26
15:07:19		 42.7137 15.8672 10 2023-03-26
15:21:49		 Sala Sismica INGV-Roma 115756391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-26 15:07:19 ± 0.31
Latitude 42.6038 ± 0.0198
Longitude 16.2648 ± 0.0330
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116405761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3050
Semi-minor axis of confidence ellipse (meter) 1700
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
Circular confidence region, given by single value of horizontal uncertainty (meter) 3050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.58906
Epicentral distance of station farthest from the epicenter (degree) 1.71411
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 116405761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-27 16:07:29

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 115756391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-26 15:21:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT12.EHZ. 2023-03-26T15:07:52.45 0.6 undecidable manual S 195 111.7992 50 0.3 59
IV.SGRT.HHZ. 2023-03-26T15:07:50.31 0.6 undecidable manual S 205 103.5186 50 0.36 60
IV.AMUR.HHN. 2023-03-26T15:07:49.97 0.6 undecidable manual P 171 190.2651 38 -0.13 47
IV.MRVN.HHZ. 2023-03-26T15:07:46.47 0.6 undecidable manual P 182 171.2952 50 -1.1 37
IV.CIGN.HHZ. 2023-03-26T15:07:45.23 0.6 undecidable manual P 227 153.6351 50 0.37 53
OT.OT14.EHZ. 2023-03-26T15:07:45.72 0.6 undecidable manual S 201 83.7495 50 1.04 48
IV.TREM.HHE. 2023-03-26T15:07:44.67 0.6 undecidable manual S 229 81.6516 50 0.55 59
CR.STON.BHE. 2023-03-26T15:07:41.36 1.0 undecidable manual P 75 120.5904 50 1.6 16
OT.OT05.EHZ. 2023-03-26T15:07:39.30 0.6 undecidable manual P 208 118.0929 50 -0.08 61
OT.OT07.EHE. 2023-03-26T15:07:38.66 0.6 undecidable manual P 203 117.8931 50 -0.69 52
IV.APRC.HHE. 2023-03-26T15:07:38.24 0.6 undecidable manual P 213 111.0999 50 -0.06 63
OT.OT12.EHZ. 2023-03-26T15:07:38.75 0.6 undecidable manual P 195 111.7992 50 0.35 59
OT.OT06.EHE. 2023-03-26T15:07:38.56 0.6 undecidable manual P 209 115.7952 50 -0.47 57
OT.OT04.EHE. 2023-03-26T15:07:38.22 1.0 undecidable manual P 210 113.0979 50 -0.39 29
OT.OT03.EHE. 2023-03-26T15:07:37.96 0.6 undecidable manual P 207 111.0999 50 -0.34 59
IV.SGRT.HHZ. 2023-03-26T15:07:36.85 0.3 undecidable manual P 205 103.5186 50 -0.28 91
OT.OT14.EHZ. 2023-03-26T15:07:34.10 0.3 undecidable manual P 201 83.7495 50 0.01 100
IV.TREM.HHE. 2023-03-26T15:07:33.10 0.6 undecidable manual P 229 81.6516 50 -0.67 57
CR.HVAR.HHE. 2023-03-26T15:07:32.16 1.0 undecidable manual P 13 65.3901 50 0.9 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT14.EHN. ML:2.3 0.00025590039999999996 0.2304 AML other m 2023-03-26T15:07:48.76
OT.OT14.EHE. ML:2.3 0.000284351 0.1536 AML other m 2023-03-26T15:07:49.17
IV.SGRT.HNE. ML:2.5 0.00030901765000000003 1.744 AML other m 2023-03-26T15:07:52.89
IV.SGRT.HHE. ML:2.5 0.00031899999999999995 1.74 AML other m 2023-03-26T15:07:52.89
IV.SGRT.HHN. ML:2.3 0.00018422994999999997 0.2688 AML other m 2023-03-26T15:07:52.74
IV.SGRT.HNN. ML:2.3 0.000187918 0.2432 AML other m 2023-03-26T15:07:52.74
OT.OT05.EHN. ML:2.3 0.00014277115 0.3584 AML other m 2023-03-26T15:07:55.08
OT.OT12.EHE. ML:2.0 0.00008614958 0.2304 AML other m 2023-03-26T15:07:55.52
OT.OT12.EHN. ML:2.2 0.000125 0.4 AML other m 2023-03-26T15:07:56.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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