Earthquake with magnitude of ML 1.6 on date 13-08-2023 and time 10:30:27 (Italy) in region 4 km W Cagnano Varano (FG)

A magnitude ML 1.6 earthquake occured in region: 4 km W Cagnano Varano (FG), on

  • 13-08-2023 08:30:27 (UTC)
  • 13-08-2023 10:30:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8210, 15.7290 at 20 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
Cagnano Varano FG 4 7330 7330
Carpino FG 11 4182 11512
San Giovanni Rotondo FG 13 27184 38696
San Nicandro Garganico FG 14 15566 54262
San Marco in Lamis FG 14 13831 68093
Ischitella FG 17 4432 72525
Rodi Garganico FG 18 3693 76218
Rignano Garganico FG 20 2117 78335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Manfredonia (57279 inhabitants)
32 Km E of San Severo (53905 inhabitants)
43 Km NE of Foggia (151991 inhabitants)
63 Km N of Cerignola (58396 inhabitants)
72 Km NW of Barletta (94814 inhabitants)
81 Km NW of Andria (100440 inhabitants)
84 Km NW of Trani (56217 inhabitants)
91 Km NW of Bisceglie (55422 inhabitants)
100 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 1.6 2023-08-13
08:30:27
41.8208 15.7287 20 2023-08-13
08:38:13
Sala Sismica INGV-Roma 120081821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-13 08:30:27 ± 0.07
Latitude 41.8208 ± 0.0018
Longitude 15.7287 ± 0.0024
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120081821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 43
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
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 33
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 120081821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-13 08:38:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHZ. 2023-08-13T08:32:07.18 3.0 undecidable manual Pn 6.29 0
CH.FUORN.HHZ. 2023-08-13T08:32:04.92 3.0 undecidable manual Pn 2.85 0
IV.HPAC.HHZ. 2023-08-13T08:31:54.89 3.0 undecidable manual Pg 9.42 0
OX.ACOM.HHZ. 2023-08-13T08:31:54.11 3.0 positive manual Pg 8.7 0
IV.NARO.HHZ. 2023-08-13T08:31:53.61 3.0 undecidable manual Sn -0.76 0
IV.FIU.EHZ. 2023-08-13T08:31:37.80 3.0 undecidable manual Pn 3.42 0
IV.SFI.EHZ. 2023-08-13T08:31:30.10 3.0 negative manual Pg 4.74 0
IV.GIUL.HHZ. 2023-08-13T08:31:29.23 3.0 undecidable manual Sg 1.79 0
IV.TDS.HHZ. 2023-08-13T08:31:07.96 3.0 undecidable manual Pg 2.78 0
IV.GUMA.HHZ. 2023-08-13T08:31:06.71 3.0 negative manual Pg 0.17 0
IV.CAMP.HHZ. 2023-08-13T08:31:05.10 3.0 undecidable manual Pg 2.77 0
IV.ACER.HHZ. 2023-08-13T08:31:02.39 3.0 undecidable manual S -1.64 0
IV.MRVN.HHZ. 2023-08-13T08:30:56.75 3.0 undecidable manual S -0.29 0
IV.POFI.HHZ. 2023-08-13T08:30:53.91 3.0 undecidable manual Pn -3.17 0
IV.TREM.HHE. 2023-08-13T08:30:40.99 0.3 undecidable manual S 332 38.0286 109 0.05 72
OT.OT12.EHZ. 2023-08-13T08:30:37.84 0.1 undecidable manual S 145 25.6521 120 -0.09 98
IV.MELA.HHZ. 2023-08-13T08:30:37.61 3.0 negative manual P -2.16 0
OT.OT14.EHZ. 2023-08-13T08:30:36.00 0.1 undecidable manual S 60 16.9719 134 -0.05 98
IV.MSAG.HHZ. 2023-08-13T08:30:36.65 0.3 undecidable manual S 129 19.2696 130 0.14 72
OT.OT05.EHZ. 2023-08-13T08:30:36.73 0.3 undecidable manual S 210 20.7681 127 -0.1 74
IV.APRC.HHZ. 2023-08-13T08:30:35.99 0.3 undecidable manual S 245 16.872 134 -0.05 74
IV.TREM.HHE. 2023-08-13T08:30:35.33 0.1 undecidable manual P 332 38.0286 109 -0.1 93
OT.OT04.EHE. 2023-08-13T08:30:35.90 0.3 undecidable manual S 227 16.6722 134 -0.09 74
OT.OT03.EHE. 2023-08-13T08:30:35.48 0.1 undecidable manual S 208 13.6752 141 0.02 100
OT.OT05.EHZ. 2023-08-13T08:30:33.07 0.1 undecidable manual P 210 20.7681 127 0.02 99
OT.OT12.EHZ. 2023-08-13T08:30:33.53 0.1 undecidable manual P 145 25.6521 120 -0.16 96
OT.OT07.EHE. 2023-08-13T08:30:33.18 0.1 undecidable manual P 182 22.1556 125 -0.05 98
IV.MSAG.HHZ. 2023-08-13T08:30:33.03 0.1 negative manual P 129 19.2696 130 0.16 97
OT.OT03.EHE. 2023-08-13T08:30:32.44 0.1 undecidable manual P 208 13.6752 141 0.17 98
OT.OT06.EHE. 2023-08-13T08:30:32.87 0.3 undecidable manual P 217 18.6702 130 0.06 74
OT.OT14.EHZ. 2023-08-13T08:30:32.61 0.1 positive manual P 60 16.9719 134 0 99
IV.APRC.HHZ. 2023-08-13T08:30:32.66 0.1 undecidable manual P 245 16.872 134 0.06 100
OT.OT04.EHE. 2023-08-13T08:30:32.62 0.1 undecidable manual P 227 16.6722 134 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT14.EHN. ML:1.8 0.00036209565 0.1408 AML other m 2023-08-13T08:30:36.02
IV.APRC.HHN. ML:1.4 0.0001467474 0.0832 AML other m 2023-08-13T08:30:36.67
OT.OT14.EHE. ML:1.8 0.0003771636 0.1024 AML other m 2023-08-13T08:30:36.50
IV.APRC.HHE. ML:1.4 0.0001465 0.24 AML other m 2023-08-13T08:30:36.56
IV.APRC.HNE. ML:1.3 0.00012380114999999999 0.0832 AML other m 2023-08-13T08:30:36.56
IV.APRC.HNN. ML:1.8 0.0003783534 1.2864 AML other m 2023-08-13T08:30:36.66
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