Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-09-2019 and time 12:27:24 (Italy) in region 7 km SE Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 7 km SE Campotosto (AQ), on

  • 04-09-2019 10:27:24 (UTC)
  • 04-09-2019 12:27:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4960, 13.3980 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.

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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
Campotosto AQ 7 542 542
Capitignano AQ 8 665 1207
Crognaleto TE 9 1297 2504
Pizzoli AQ 11 4326 6830
Barete AQ 11 737 7567
Montereale AQ 13 2581 10148
Fano Adriano TE 13 296 10444
Pietracamela TE 13 271 10715
Cagnano Amiterno AQ 15 1369 12084
L'Aquila AQ 16 69753 81837
Cortino TE 17 656 82493
Amatrice RI 17 2657 85150
Scoppito AQ 18 3727 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of L'Aquila (69753 inhabitants)
31 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
62 Km E of Terni (111501 inhabitants)
65 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 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 1.2 2019-09-04
10:27:24		 42.4955 13.3982 10 2019-09-04
10:35:58		 Sala Sismica INGV-Roma 72106941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-04 10:27:24 ± 0.05
Latitude 42.4955 ± 0.0027
Longitude 13.3982 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72106941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 397
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 32
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) 0.61244
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 72106941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-04 10:35:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2019-09-04T10:28:24.66 3.0 undecidable manual Sg 7.15 0
IV.ARVD.HHZ. 2019-09-04T10:27:57.64 3.0 undecidable manual S -1.89 0
IV.CSP1.EHZ. 2019-09-04T10:27:45.42 0.6 undecidable manual S 347 67.9764 50 0.47 42
IV.FDMO.HHZ. 2019-09-04T10:27:44.56 0.6 undecidable manual S 337 65.0904 50 0.38 43
IV.MC2.EHZ. 2019-09-04T10:27:40.23 0.6 undecidable manual S 340 49.2174 50 0.3 45
IV.GAVE.EHZ. 2019-09-04T10:27:39.23 0.3 undecidable manual S 298 46.62 50 0 72
IV.MMO1.EHZ. 2019-09-04T10:27:38.42 0.6 undecidable manual S 353 45.1215 50 -0.43 44
IV.NRCA.HHZ. 2019-09-04T10:27:38.46 0.3 undecidable manual S 328 44.0226 50 -0.1 71
IV.CSP1.EHZ. 2019-09-04T10:27:36.22 0.1 undecidable manual P 347 67.9764 50 0.06 91
IV.FDMO.HHZ. 2019-09-04T10:27:35.63 0.1 undecidable manual P 337 65.0904 50 -0.09 91
IV.LNSS.HHZ. 2019-09-04T10:27:35.09 0.3 undecidable manual S 292 31.5462 50 -0.13 72
IV.FAGN.HHE. 2019-09-04T10:27:34.55 0.6 undecidable manual S 149 29.6481 50 -0.17 48
IV.MTRA.EHZ. 2019-09-04T10:27:34.05 0.6 undecidable manual S 360 28.9488 50 -0.48 45
IV.MF5.EHZ. 2019-09-04T10:27:34.74 0.1 undecidable manual P 5 54.8007 50 0.61 81
IV.MC2.EHZ. 2019-09-04T10:27:33.37 0.1 undecidable manual P 340 49.2174 50 0.11 93
IV.NRCA.HHZ. 2019-09-04T10:27:32.34 0.1 undecidable manual P 328 44.0226 50 -0.13 94
IV.GAVE.EHZ. 2019-09-04T10:27:32.68 0.1 undecidable manual P 298 46.62 50 -0.18 92
IV.MMO1.EHZ. 2019-09-04T10:27:32.56 0.1 undecidable manual P 353 45.1215 50 -0.08 94
IV.T0110.HHZ. 2019-09-04T10:27:32.52 0.1 undecidable manual P 133 42.8238 50 0.24 92
IV.TERO.HHZ. 2019-09-04T10:27:32.17 0.3 undecidable manual S 50 21.9669 115 -0.38 69
IV.RM33.EHZ. 2019-09-04T10:27:30.37 0.3 undecidable manual S 276 15.0738 124 -0.1 74
IV.GIGS.HHZ. 2019-09-04T10:27:30.32 0.3 undecidable manual S 108 15.0738 124 -0.14 74
IV.FAGN.HHE. 2019-09-04T10:27:30.30 0.1 undecidable manual P 149 29.6481 50 0.05 98
MN.AQU.HHE. 2019-09-04T10:27:30.56 0.6 undecidable manual S 178 15.6732 123 -0.09 50
IV.SMA1.EHZ. 2019-09-04T10:27:30.88 0.3 undecidable manual S 341 15.873 123 0.19 73
IV.LNSS.HHZ. 2019-09-04T10:27:30.38 0.1 undecidable manual P 292 31.5462 50 -0.16 95
IV.MTRA.EHZ. 2019-09-04T10:27:29.88 0.1 undecidable manual P 360 28.9488 50 -0.26 93
IV.SMA1.EHZ. 2019-09-04T10:27:28.01 0.1 undecidable manual P 341 15.873 123 0.09 99
IV.TERO.HHZ. 2019-09-04T10:27:28.99 0.1 undecidable manual P 50 21.9669 115 -0.01 100
MN.AQU.HHE. 2019-09-04T10:27:27.86 1.0 undecidable manual P 178 15.6732 123 -0.04 25
IV.RM33.EHZ. 2019-09-04T10:27:27.85 0.1 undecidable manual P 276 15.0738 124 0.05 100
IV.GIGS.HHZ. 2019-09-04T10:27:27.95 0.1 undecidable manual P 108 15.0738 124 0.16 98
IV.CAMP.HHE. 2019-09-04T10:27:27.84 0.3 undecidable manual S 11 4.5954 156 -0.19 74
IV.CAMP.HHE. 2019-09-04T10:27:26.64 0.1 undecidable manual P 11 4.5954 156 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHN. ML:1.1 0.00011899999999999999 0.12 AML other m 2019-09-04T10:27:30.46
IV.GIGS.HHE. ML:0.7 0.00005075 0.86 AML other m 2019-09-04T10:27:30.93
IV.RM33.EHN. ML:1.0 0.000106 0.44 AML other m 2019-09-04T10:27:30.72
IV.RM33.EHE. ML:1.2 0.00013550000000000001 1.14 AML other m 2019-09-04T10:27:31.79
IV.SMA1.EHE. ML:1.2 0.00014700000000000002 0.6 AML other m 2019-09-04T10:27:31.89
IV.SMA1.EHN. ML:1.1 0.0001036 0.42 AML other m 2019-09-04T10:27:32.02
IV.TERO.HHE. ML:1.3 0.00014450000000000002 0.4 AML other m 2019-09-04T10:27:32.34
IV.TERO.HHN. ML:1.4 0.000156 0.28 AML other m 2019-09-04T10:27:32.40
IV.LNSS.HHN. ML:1.2 0.0000726 0.12 AML other m 2019-09-04T10:27:35.73
IV.LNSS.HHE. ML:1.3 0.00010015000000000001 0.54 AML other m 2019-09-04T10:27:35.89
IV.NRCA.HHE. ML:1.7 0.00016350000000000002 1.32 AML other m 2019-09-04T10:27:38.21
IV.NRCA.HHN. ML:1.4 0.00008060000000000001 0.42 AML other m 2019-09-04T10:27:38.91
IV.GAVE.EHE. ML:1.4 0.00006555 0.22 AML other m 2019-09-04T10:27:40.30
IV.GAVE.EHN. ML:1.3 0.00005395 0.6 AML other m 2019-09-04T10:27:42.58
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