Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-07-2013 and time 02:07:44 (Italy) in region 9 km E San Giovanni Rotondo (FG)

A magnitude ML 2.1 earthquake occured in region: 9 km E San Giovanni Rotondo (FG), on

  • 30-07-2013 00:07:44 (UTC)
  • 30-07-2013 02:07:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6990, 15.8400 at 26 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

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 10 12657 39841
Manfredonia FG 10 57279 97120
Cagnano Varano FG 16 7330 104450
Carpino FG 16 4182 108632
San Marco in Lamis FG 17 13831 122463
Mattinata FG 18 6310 128773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of Manfredonia (57279 inhabitants)
36 Km NE of Foggia (151991 inhabitants)
38 Km E of San Severo (53905 inhabitants)
48 Km N of Cerignola (58396 inhabitants)
56 Km NW of Barletta (94814 inhabitants)
65 Km NW of Andria (100440 inhabitants)
67 Km NW of Trani (56217 inhabitants)
75 Km NW of Bisceglie (55422 inhabitants)
84 Km NW of Molfetta (59874 inhabitants)
97 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 2.1 2013-07-30
00:07:44		 41.6988 15.84 26 2015-02-12
09:06:49		 Bollettino Sismico Italiano INGV 9158861
Reviewed
Rev100 		ML 2.1 2013-07-30
00:07:44		 41.6973 15.8412 24 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4171831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-07-30 00:07:44 ± 0.13
Latitude 41.6988 ± 0.0072
Longitude 15.8400 ± 0.0084
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9158861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 733
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.37326
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 9158861
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:10:56

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 4171831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-07-30 00:21:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHE. 2013-07-30T00:09:32.99 3.0 undecidable manual Sg 10.32 0
IV.BOB.HHZ. 2013-07-30T00:09:26.88 3.0 negative manual Pg 19.690001 0
IV.NARO.HHE. 2013-07-30T00:09:21.99 3.0 undecidable manual Sg 12.08 0
IV.NOV.HHE. 2013-07-30T00:09:16.99 3.0 undecidable manual Sn -8.58 0
IV.FEMA.HNN. 2013-07-30T00:09:03.99 3.0 undecidable manual Sg 9.84 0
IV.MPAG.EHE. 2013-07-30T00:09:00.99 3.0 undecidable manual Sn -6.92 0
IV.FROS.HHZ. 2013-07-30T00:08:56.46 3.0 negative manual Pg 14.3 0
IV.FIAM.HHN. 2013-07-30T00:08:44.99 3.0 undecidable manual Sn -1.36 0
IV.PE3.EHZ. 2013-07-30T00:08:43.94 3.0 undecidable manual Pg 10.14 0
IV.SALB.HHN. 2013-07-30T00:08:41.99 3.0 undecidable manual Sg 1.33 0
CR.STON.BHE. 2013-07-30T00:08:34.99 3.0 undecidable manual Sn -5.19 0
IV.SIRI.HHE. 2013-07-30T00:08:33.99 3.0 undecidable manual Sg 2.08 0
IV.MIGL.HHZ. 2013-07-30T00:08:22.57 0.6 undecidable manual S 157 131.3685 54 0.93 32
IV.MRLC.HHZ. 2013-07-30T00:08:16.76 0.3 undecidable manual S 196 108.6135 99 0.84 51
IV.SNAL.HHZ. 2013-07-30T00:08:14.00 0.3 undecidable manual S 212 100.6215 100 0.17 63
IV.ACER.HHZ. 2013-07-30T00:08:14.38 0.3 undecidable manual S 175 101.5206 99 0.31 61
IV.PSB1.HHE. 2013-07-30T00:08:14.12 0.3 undecidable manual S 239 100.5216 100 0.32 60
IV.CAFE.HHE. 2013-07-30T00:08:11.48 0.6 undecidable manual S 214 89.7435 101 0.5 40
IV.PALZ.HHZ. 2013-07-30T00:08:09.45 0.3 undecidable manual S 173 84.3489 102 -0.1 65
IV.VULT.HHZ. 2013-07-30T00:08:09.34 0.3 undecidable manual S 193 84.6486 102 -0.28 62
IV.GATE.HHE. 2013-07-30T00:08:08.84 0.3 undecidable manual S 255 79.8645 102 0.47 61
IV.NOCI.HHZ. 2013-07-30T00:08:08.20 0.3 undecidable manual P 134 143.5452 54 0.87 47
IV.MCEL.HHE. 2013-07-30T00:08:08.06 0.1 undecidable manual P 181 152.4363 54 -0.37 70
IV.CIGN.HHE. 2013-07-30T00:08:07.51 0.3 undecidable manual S 267 77.6667 103 -0.29 64
IV.MIGL.HHZ. 2013-07-30T00:08:06.18 0.3 undecidable manual P 157 131.3685 54 0.37 57
IV.MRVN.HHZ. 2013-07-30T00:08:06.93 0.3 undecidable manual S 157 76.6677 103 -0.63 57
IV.MIDA.HHE. 2013-07-30T00:08:05.53 0.3 undecidable manual P 268 131.5683 54 -0.31 57
IV.MRLC.HHZ. 2013-07-30T00:08:02.60 0.3 undecidable manual P 196 108.6135 99 0.09 63
IV.AMUR.HHE. 2013-07-30T00:08:02.42 0.1 undecidable manual P 144 108.5136 99 -0.07 83
IV.MELA.HHZ. 2013-07-30T00:08:02.56 0.3 undecidable manual S 271 59.0964 107 -0.45 64
IV.BSSO.HHE. 2013-07-30T00:08:02.20 0.1 undecidable manual P 261 104.7174 99 0.28 80
IV.ACER.HHZ. 2013-07-30T00:08:01.37 0.3 undecidable manual P 175 101.5206 99 -0.07 63
IV.PSB1.HHE. 2013-07-30T00:08:00.86 0.3 undecidable manual P 239 100.5216 100 -0.42 59
IV.SACR.HHN. 2013-07-30T00:08:00.52 0.3 undecidable manual P 251 99.9222 100 -0.67 54
IV.SNAL.HHZ. 2013-07-30T00:08:00.79 0.3 undecidable manual P 212 100.6215 100 -0.51 57
IV.CAFE.HHE. 2013-07-30T00:07:59.73 0.3 undecidable manual P 214 89.7435 101 0.08 65
IV.PALZ.HHZ. 2013-07-30T00:07:58.32 0.1 undecidable manual P 173 84.3489 102 -0.5 79
IV.VULT.HHZ. 2013-07-30T00:07:58.81 0.3 undecidable manual P 193 84.6486 102 -0.06 65
IV.GATE.HHE. 2013-07-30T00:07:58.83 0.1 undecidable manual P 255 79.8645 102 0.68 75
IV.CIGN.HHE. 2013-07-30T00:07:57.94 0.3 undecidable manual P 267 77.6667 103 0.12 66
IV.MOCO.HHE. 2013-07-30T00:07:56.36 0.3 undecidable manual P 237 67.377 105 0.08 68
IV.MRVN.HHZ. 2013-07-30T00:07:56.96 0.3 undecidable manual P 157 76.6677 103 -0.72 55
IV.MELA.HHZ. 2013-07-30T00:07:54.85 0.1 undecidable manual P 271 59.0964 107 -0.2 90
IV.SGRT.HHE. 2013-07-30T00:07:52.52 0.3 undecidable manual S 308 10.0788 156 0 75
IV.MSAG.HHZ. 2013-07-30T00:07:52.37 0.1 undecidable manual S 76 5.994 166 0.21 97
IV.MSAG.HHZ. 2013-07-30T00:07:48.86 0.1 undecidable manual P 76 5.994 166 0.07 100
IV.SGRT.HHE. 2013-07-30T00:07:48.99 0.3 undecidable manual P 308 10.0788 156 -0.01 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACER.HHE. ML:2.0 0.00010200000000000001 0.34 AML other m 2013-07-30T00:08:17.67
IV.ACER.HHN. ML:1.9 0.0000668 0.24 AML other m 2013-07-30T00:08:19.15
IV.MELA.HHE. ML:2.3 0.000412 0.62 AML other m 2013-07-30T00:08:03.87
IV.MRLC.HHE. ML:1.8 0.000049600000000000006 0.4 AML other m 2013-07-30T00:08:18.90
IV.MRVN.HHE. ML:1.8 0.00008360000000000001 1.02 AML other m 2013-07-30T00:08:08.99
IV.MSAG.HHE. ML:2.3 0.0011949999999999999 0.36 AML other m 2013-07-30T00:07:52.63
IV.MSAG.HHN. ML:2.3 0.0011765 0.64 AML other m 2013-07-30T00:07:52.68
IV.MSAG.HNN. ML:2.3 0.0011405 0.62 AML other m 2013-07-30T00:07:52.69
IV.MSAG.HNE. ML:2.3 0.00112 0.36 AML other m 2013-07-30T00:07:52.63
IV.NOCI.HHE. ML:2.1 0.00007020000000000001 0.54 AML other m 2013-07-30T00:08:27.04
IV.VULT.HHN. ML:2.1 0.00014600000000000003 0.54 AML other m 2013-07-30T00:08:10.43
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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