Earthquake with magnitude of ML 1.8 on date 09-08-2023 and time 04:46:30 (Italy) in region 8 km E San Giovanni Rotondo (FG)

A magnitude ML 1.8 earthquake occured in region: 8 km E San Giovanni Rotondo (FG), on

  • 09-08-2023 02:46:30 (UTC)
  • 09-08-2023 04:46:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7350, 15.8190 at 25 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
San Giovanni Rotondo FG 8 27184 27184
Cagnano Varano FG 11 7330 34514
Monte Sant'Angelo FG 12 12657 47171
Carpino FG 13 4182 51353
Manfredonia FG 14 57279 108632
San Marco in Lamis FG 15 13831 122463
Mattinata FG 20 6310 128773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Manfredonia (57279 inhabitants)
37 Km E of San Severo (53905 inhabitants)
38 Km NE of Foggia (151991 inhabitants)
53 Km N of Cerignola (58396 inhabitants)
60 Km NW of Barletta (94814 inhabitants)
69 Km NW of Andria (100440 inhabitants)
72 Km NW of Trani (56217 inhabitants)
79 Km NW of Bisceglie (55422 inhabitants)
88 Km NW of Molfetta (59874 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 2023-08-09
02:46:30
41.7353 15.8192 25 2023-08-09
02:52:49
Sala Sismica INGV-Roma 119957151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-09 02:46:30 ± 0.17
Latitude 41.7353 ± 0.0063
Longitude 15.8192 ± 0.0072
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119957151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 622
Semi-minor axis of confidence ellipse (meter) 446
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51711
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 119957151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-09 02:52:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2023-08-09T02:47:22.88 3.0 undecidable manual Sg 4.69 0
IV.NRCA.HHZ. 2023-08-09T02:47:14.52 3.0 negative manual Pg 8.47 0
IV.AMUR.HHZ. 2023-08-09T02:47:05.36 3.0 undecidable manual S 1.12 0
IV.ACER.HHZ. 2023-08-09T02:47:01.99 3.0 undecidable manual S -0.36 0
IV.MIGL.HHZ. 2023-08-09T02:46:54.87 3.0 negative manual Pg 2.66 0
IV.CIGN.HHZ. 2023-08-09T02:46:53.48 3.0 undecidable manual S -1.13 0
IV.MELA.HHZ. 2023-08-09T02:46:49.03 0.3 undecidable manual S 267 57.3981 107 0.37 66
IV.ACER.HHZ. 2023-08-09T02:46:48.87 3.0 undecidable manual P 0.49 0
IV.SNAL.HHZ. 2023-08-09T02:46:47.54 3.0 undecidable manual P -0.27 0
OT.OT11.EHZ. 2023-08-09T02:46:46.57 0.3 undecidable manual S 239 47.0196 111 0.54 64
IV.TREM.HHZ. 2023-08-09T02:46:46.83 0.6 undecidable manual S 329 50.0166 110 0.05 47
IV.VULT.HHZ. 2023-08-09T02:46:46.31 3.0 negative manual P 0.22 0
IV.GATE.HHZ. 2023-08-09T02:46:45.26 3.0 negative manual P 0.67 0
IV.MRVN.HHZ. 2023-08-09T02:46:44.38 3.0 undecidable manual P -1.07 0
IV.APRC.HHZ. 2023-08-09T02:46:40.18 0.6 undecidable manual S 276 22.9548 132 -0.32 47
IV.MELA.HHZ. 2023-08-09T02:46:40.84 0.1 positive manual P 267 57.3981 107 -0.07 92
OT.OT05.EHZ. 2023-08-09T02:46:39.48 0.6 undecidable manual S 245 19.869 137 -0.42 46
OT.OT11.EHZ. 2023-08-09T02:46:39.49 0.6 negative manual P 239 47.0196 111 0.09 47
OT.OT14.EHZ. 2023-08-09T02:46:39.98 0.6 undecidable manual S 22 19.2696 138 0.18 48
OT.OT07.EHE. 2023-08-09T02:46:39.04 0.3 undecidable manual S 213 15.0738 145 -0.06 75
IV.TREM.HHZ. 2023-08-09T02:46:39.68 0.1 negative manual P 329 50.0166 110 -0.15 92
IV.SGRT.HHZ. 2023-08-09T02:46:38.09 0.6 undecidable manual S 289 6.5934 163 -0.01 51
OT.OT12.EHZ. 2023-08-09T02:46:38.94 0.3 undecidable manual S 147 13.6752 148 0.06 75
IV.APRC.HHZ. 2023-08-09T02:46:36.04 0.1 positive manual P 276 22.9548 132 -0.16 96
OT.OT14.EHZ. 2023-08-09T02:46:35.89 0.1 positive manual P 22 19.2696 138 0.09 98
OT.OT07.EHE. 2023-08-09T02:46:35.28 0.1 undecidable manual P 213 15.0738 145 -0.11 99
OT.OT12.EHZ. 2023-08-09T02:46:35.36 0.1 negative manual P 147 13.6752 148 0.09 99
OT.OT05.EHZ. 2023-08-09T02:46:35.59 0.1 positive manual P 245 19.869 137 -0.26 95
IV.SGRT.HHZ. 2023-08-09T02:46:34.93 0.1 positive manual P 289 6.5934 163 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGRT.HHE. ML:1.8 0.0003735 0.24 AML other m 2023-08-09T02:46:38.35
IV.SGRT.HHN. ML:1.7 0.00031318780000000004 0.16 AML other m 2023-08-09T02:46:38.34
OT.OT12.EHE. ML:1.6 0.00019690144999999997 0.1392 AML other m 2023-08-09T02:46:38.97
OT.OT12.EHN. ML:1.6 0.00020250000000000002 0.14 AML other m 2023-08-09T02:46:39.39
IV.APRC.HHE. ML:2.0 0.00045650000000000004 0.52 AML other m 2023-08-09T02:46:40.85
IV.APRC.HHN. ML:2.1 0.00062353995 0.1392 AML other m 2023-08-09T02:46:40.34
OT.OT11.EHN. ML:1.5 0.00008006051 0.12 AML other m 2023-08-09T02:46:46.80
OT.OT11.EHE. ML:1.6 0.00008919095 0.16 AML other m 2023-08-09T02:46:47.47
IV.MELA.HHN. ML:2.2 0.00030500000000000004 0.34 AML other m 2023-08-09T02:46:49.29
IV.MELA.HHE. ML:1.9 0.0001725 0.2 AML other m 2023-08-09T02:46:49.35
IV.GATE.HHN. ML:1.9 0.00009745000000000001 0.5 AML other m 2023-08-09T02:46:58.27
IV.GATE.HHE. ML:1.7 0.000063 0.38 AML other m 2023-08-09T02:46:58.40
IV.SGRT.HNE. ML:1.7 0.00032515095 0.2384 AML other m 2023-08-09T02:46:38.35
IV.SGRT.HNN. ML:1.7 0.00031100755 0.16 AML other m 2023-08-09T02:46:38.34
OT.OT05.EHN. ML:1.5 0.0001499956 0.1792 AML other m 2023-08-09T02:46:39.56
OT.OT14.EHE. ML:1.6 0.00017433065 0.12 AML other m 2023-08-09T02:46:40.01
OT.OT14.EHN. ML:1.6 0.0002174909 0.08 AML other m 2023-08-09T02:46:41.05
IV.APRC.HNE. ML:2.0 0.00046507564999999997 0.1296 AML other m 2023-08-09T02:46:40.60
IV.APRC.HNN. ML:2.4 0.00120152115 0.8192 AML other m 2023-08-09T02:46:43.10
IV.MELA.HNE. ML:1.9 0.0001719217 0.2 AML other m 2023-08-09T02:46:49.34
IV.MELA.HNN. ML:2.2 0.00030386409999999997 0.3392 AML other m 2023-08-09T02:46:49.29
IV.GATE.HNE. ML:1.7 0.00006358604000000001 0.3888 AML other m 2023-08-09T02:46:58.60
IV.GATE.HNN. ML:1.9 0.00009300309 0.4496 AML other m 2023-08-09T02:46:58.51
IV.VULT.HHE. ML:1.8 0.00006842260999999999 0.4208 AML other m 2023-08-09T02:47:03.60
IV.VULT.HHN. ML:1.8 0.00007585374999999999 0.32 AML other m 2023-08-09T02:47:04.47
IV.VULT.HNE. ML:1.9 0.00009269914499999999 0.4208 AML other m 2023-08-09T02:47:03.60
IV.SNAL.HNE. ML:2.1 0.0001214016 0.7712 AML other m 2023-08-09T02:47:10.59
IV.ACER.HHN. ML:1.8 0.000047645255 1.5792 AML other m 2023-08-09T02:47:01.65
IV.ACER.HNE. ML:1.8 0.000056197495 0.3296 AML other m 2023-08-09T02:47:05.02
IV.ACER.HNN. ML:1.9 0.00007624367 1.5216 AML other m 2023-08-09T02:47:02.49
IV.ACER.HHE. ML:1.9 0.00007165278 0.2992 AML other m 2023-08-09T02:47:05.46
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