Earthquake with magnitude of ML 1.5 on date 04-09-2020 and time 13:52:43 (Italy) in region 9 km SW San Giovanni Rotondo (FG)

A magnitude ML 1.5 earthquake occured in region: 9 km SW San Giovanni Rotondo (FG), on

  • 04-09-2020 11:52:43 (UTC)
  • 04-09-2020 13:52:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.63, 15.69 at 10 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 9 27184 27184
Rignano Garganico FG 10 2117 29301
San Marco in Lamis FG 11 13831 43132
Manfredonia FG 19 57279 100411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Manfredonia (57279 inhabitants)
22 Km NE of Foggia (151991 inhabitants)
27 Km E of San Severo (53905 inhabitants)
44 Km NW of Cerignola (58396 inhabitants)
60 Km NW of Barletta (94814 inhabitants)
67 Km NW of Andria (100440 inhabitants)
72 Km NW of Trani (56217 inhabitants)
80 Km NW of Bisceglie (55422 inhabitants)
89 Km NW of Molfetta (59874 inhabitants)
94 Km NE of Benevento (60091 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.5 2020-09-04
11:52:43
41.63 15.69 11 2020-09-04
12:21:34
Sala Sismica INGV-Roma 82618711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-04 11:52:43 ± 0.14
Latitude 41.63 ± 0.01
Longitude 15.69 ± 0.00
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82618711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 451
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 520
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.18076
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82618711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-04 12:21:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VARE.HHZ. 2020-09-04T11:54:27.35 3.0 positive manual Pn 11.93 0
IV.PE3.EHZ. 2020-09-04T11:54:23.21 3.0 undecidable manual Sg 19.02 0
IV.AGLI.HHZ. 2020-09-04T11:54:07.22 3.0 undecidable manual Pg 13.88 0
IV.JOPP.HHZ. 2020-09-04T11:54:07.80 3.0 undecidable manual Sn 2.08 0
IV.ISPIC.HNZ. 2020-09-04T11:54:07.54 3.0 negative manual Pg 13.11 0
IV.BRSN.EHZ. 2020-09-04T11:53:51.27 3.0 positive manual Pg 14.49 0
IV.PETRA.HHZ. 2020-09-04T11:53:48.89 3.0 positive manual Pg 7.06 0
IV.RCAV.EHZ. 2020-09-04T11:53:44.93 3.0 undecidable manual Sg 6.48 0
IV.RIBO.EHZ.01 2020-09-04T11:53:36.34 3.0 negative manual Pn 0.37 0
IV.MURB.HHZ. 2020-09-04T11:53:35.28 3.0 undecidable manual Pg 10.8 0
IV.VBKN.HHZ. 2020-09-04T11:53:19.27 3.0 undecidable manual Sg -0.74 0
IV.PTRJ.HHZ. 2020-09-04T11:52:59.17 3.0 undecidable manual P 0.75 0
IV.ROSPO.HHZ. 2020-09-04T11:52:56.43 3.0 undecidable manual P -0.28 0
IV.APRC.HHZ. 2020-09-04T11:52:51.42 0.3 undecidable manual S 319 0.1709 119 -0.02 74
IV.MSAG.HHZ. 2020-09-04T11:52:51.88 0.3 undecidable manual S 63 0.1808 117 0.07 74
OT.OT03.EHE. 2020-09-04T11:52:49.05 0.3 undecidable manual S 338 0.089 137 0.11 74
OT.OT04.EHE. 2020-09-04T11:52:49.99 0.6 undecidable manual S 317 0.1232 127 0.06 50
IV.SGRT.HHZ. 2020-09-04T11:52:49.90 0.3 undecidable manual S 17 0.1304 126 -0.25 72
IV.APRC.HHZ. 2020-09-04T11:52:48.27 0.6 positive manual P 319 0.1709 119 -0.01 50
OT.OT05.EHZ. 2020-09-04T11:52:48.61 0.3 undecidable manual S 294 0.0746 142 0.05 75
IV.MSAG.HHZ. 2020-09-04T11:52:48.47 0.3 positive manual P 63 0.1808 117 -0.02 74
OT.OT04.EHE. 2020-09-04T11:52:47.45 0.1 undecidable manual P 317 0.1232 127 0.05 100
IV.SGRT.HHZ. 2020-09-04T11:52:47.65 0.3 positive manual P 17 0.1304 126 0.12 74
OT.OT05.EHZ. 2020-09-04T11:52:46.41 0.1 positive manual P 294 0.0746 142 -0.2 97
OT.OT03.EHE. 2020-09-04T11:52:46.89 0.1 undecidable manual P 338 0.089 137 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHE. ML:1.8 0.000846 0.4 AML other m 2020-09-04T11:52:50.55
OT.OT05.EHN. ML:1.6 0.000563 0.34 AML other m 2020-09-04T11:52:51.04
IV.SGRT.HHN. ML:1.4 0.0002695 0.7 AML other m 2020-09-04T11:52:51.28
IV.MSAG.HHN. ML:1.4 0.00019 0.16 AML other m 2020-09-04T11:52:52.54
IV.MSAG.HHE. ML:1.2 0.000124 0.36 AML other m 2020-09-04T11:52:52.87
IV.APRC.HHE. ML:1.4 0.0002005 0.98 AML other m 2020-09-04T11:52:53.77
IV.SGRT.HHE. ML:1.4 0.000224 0.56 AML other m 2020-09-04T11:52:54.29
IV.APRC.HHN. ML:1.5 0.000255 0.22 AML other m 2020-09-04T11:52:54.64
IV.JOPP.HHN. ML:2.5 3.125E-5 1.58 AML other m 2020-09-04T11:53:45.97
IV.JOPP.HHE. ML:2.3 2.0475E-5 1.36 AML other m 2020-09-04T11:54:02.11
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download