Earthquake with magnitude of ML 1.4 on date 26-03-2023 and time 18:03:22 (UTC) in region 9 km E San Giovanni Rotondo (FG)

A magnitude ML 1.4 earthquake occured in region: 9 km E San Giovanni Rotondo (FG), on

  • 26-03-2023 18:03:22 (UTC)
  • 26-03-2023 20:03:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7140, 15.8310 at 18 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Giovanni Rotondo FG 9 27184 27184
Monte Sant'Angelo FG 11 12657 39841
Manfredonia FG 12 57279 97120
Cagnano Varano FG 14 7330 104450
Carpino FG 15 4182 108632
San Marco in Lamis FG 16 13831 122463
Mattinata FG 18 6310 128773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of Manfredonia (57279 inhabitants)
37 Km NE of Foggia (151991 inhabitants)
37 Km E of San Severo (53905 inhabitants)
50 Km N of Cerignola (58396 inhabitants)
58 Km NW of Barletta (94814 inhabitants)
67 Km NW of Andria (100440 inhabitants)
69 Km NW of Trani (56217 inhabitants)
77 Km NW of Bisceglie (55422 inhabitants)
86 Km NW of Molfetta (59874 inhabitants)
99 Km NW of Bitonto (55540 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 1.4 2023-03-26
18:03:22
41.7143 15.8308 18 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116404871
Reviewed
Rev100
ML 1.5 2023-03-26
18:03:22
41.7115 15.8313 19 2023-03-26
18:09:17
Sala Sismica INGV-Roma 115761851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-26 18:03:22 ± 0.12
Latitude 41.7143 ± 0.0045
Longitude 15.8308 ± 0.0048
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116404871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 30
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 150
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.30847
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 116404871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-15 08:53:59

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 115761851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-26 18:09:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT13.EHE. 2023-03-26T18:03:33.83 0.6 undecidable manual S 57 34.2435 107 -0.16 46
IV.APRC.HHZ. 2023-03-26T18:03:31.37 0.3 undecidable manual S 281 24.2535 116 -0.15 71
OT.OT14.EHZ. 2023-03-26T18:03:30.43 0.3 undecidable manual S 17 21.1677 121 -0.36 68
OT.OT04.EHZ. 2023-03-26T18:03:30.57 0.3 undecidable manual S 272 20.7681 122 -0.12 72
OT.OT06.EHZ. 2023-03-26T18:03:30.41 0.3 undecidable manual S 261 19.869 123 -0.08 73
OT.OT05.EHZ. 2023-03-26T18:03:30.02 0.3 undecidable manual S 252 19.869 123 -0.47 67
OT.OT07.EHZ. 2023-03-26T18:03:29.13 0.3 undecidable manual S 222 13.875 135 -0.12 73
OT.OT13.EHE. 2023-03-26T18:03:29.10 1.0 undecidable manual P 57 34.2435 107 0.13 24
OT.OT03.EHZ. 2023-03-26T18:03:29.58 0.3 undecidable manual S 269 14.9739 133 0.11 73
OT.OT12.EHZ. 2023-03-26T18:03:28.78 0.3 undecidable manual S 145 11.1777 142 0.01 75
IV.SGRT.HHZ. 2023-03-26T18:03:28.64 0.3 undecidable manual S 302 8.4804 150 0.26 72
IV.APRC.HHZ. 2023-03-26T18:03:27.61 0.1 undecidable manual P 281 24.2535 116 0.07 97
OT.OT14.EHZ. 2023-03-26T18:03:27.05 0.6 undecidable manual P 17 21.1677 121 -0.07 48
OT.OT04.EHZ. 2023-03-26T18:03:27.10 0.1 undecidable manual P 272 20.7681 122 0.04 98
OT.OT06.EHZ. 2023-03-26T18:03:26.95 0.1 undecidable manual P 261 19.869 123 0 99
IV.SGRT.HHZ. 2023-03-26T18:03:26.06 0.1 undecidable manual P 302 8.4804 150 0.33 95
OT.OT05.EHZ. 2023-03-26T18:03:26.95 0.1 negative manual P 252 19.869 123 0 98
OT.OT07.EHZ. 2023-03-26T18:03:26.33 0.1 undecidable manual P 222 13.875 135 0.1 99
OT.OT03.EHZ. 2023-03-26T18:03:26.52 0.1 undecidable manual P 269 14.9739 133 0.16 97
OT.OT12.EHZ. 2023-03-26T18:03:25.98 0.1 undecidable manual P 145 11.1777 142 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGRT.HNN. ML:1.6 0.0003648188 0.1536 AML other m 2023-03-26T18:03:28.85
IV.SGRT.HHN. ML:1.7 0.00041299999999999996 0.16 AML other m 2023-03-26T18:03:28.86
IV.SGRT.HNE. ML:1.4 0.00023111444999999997 0.192 AML other m 2023-03-26T18:03:29.00
IV.SGRT.HHE. ML:1.4 0.00023662605 0.1792 AML other m 2023-03-26T18:03:29.00
OT.OT12.EHE. ML:0.8 0.000052755444999999996 0.2944 AML other m 2023-03-26T18:03:30.78
OT.OT12.EHN. ML:1.0 0.00007898355 0.0768 AML other m 2023-03-26T18:03:29.16
OT.OT05.EHN. ML:1.4 0.00014639769999999998 0.2048 AML other m 2023-03-26T18:03:30.74
OT.OT14.EHE. ML:1.3 0.00011634352 0.0768 AML other m 2023-03-26T18:03:31.29
OT.OT14.EHN. ML:1.3 0.00012375214500000002 0.064 AML other m 2023-03-26T18:03:31.45
IV.APRC.HNE. ML:1.5 0.0001763162 0.2304 AML other m 2023-03-26T18:03:31.58
IV.APRC.HHE. ML:1.6 0.000193 0.24 AML other m 2023-03-26T18:03:31.70
IV.APRC.HHN. ML:1.6 0.0002146426 0.0896 AML other m 2023-03-26T18:03:32.10
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