Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 12-04-2019 and time 19:48:52 (Italy) in region 6 km SE Campotosto (AQ)

A magnitude ML 0.5 earthquake occured in region: 6 km SE Campotosto (AQ), on

  • 12-04-2019 17:48:52 (UTC)
  • 12-04-2019 19:48:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5050, 13.4030 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
Crognaleto TE 8 1297 1839
Capitignano AQ 9 665 2504
Barete AQ 12 737 3241
Pizzoli AQ 12 4326 7567
Fano Adriano TE 12 296 7863
Pietracamela TE 13 271 8134
Montereale AQ 13 2581 10715
Cagnano Amiterno AQ 15 1369 12084
Cortino TE 16 656 12740
Amatrice RI 17 2657 15397
L'Aquila AQ 17 69753 85150
Scoppito AQ 19 3727 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of L'Aquila (69753 inhabitants)
30 Km SW of Teramo (54892 inhabitants)
61 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)
78 Km NE of Tivoli (56533 inhabitants)
79 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 		Md 1.1
ML 0.5 		2019-04-12
17:48:52		 42.5053 13.4028 10 2019-04-12
18:00:57		 Sala Sismica INGV-Roma 67513081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-12 17:48:52 ± 0.11
Latitude 42.5053 ± 0.0054
Longitude 13.4028 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67513081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 574
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 67513081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-12 18:00:57

Md:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude Md
Reference to an origin 67513081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-12 18:00:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.EHZ. 2019-04-12T17:50:07.15 3.0 negative manual Pg 22.73 0
IV.EUCT.HNZ. 2019-04-12T17:50:03.08 3.0 undecidable manual Sg 18.049999 0
IV.GMB.BHZ. 2019-04-12T17:49:56.50 3.0 positive manual Pg 13.77 0
IV.MTGR.HHZ. 2019-04-12T17:49:50.41 3.0 positive manual Pg 8.34 0
IV.VBKN.HHZ. 2019-04-12T17:49:50.24 3.0 undecidable manual Sg 9.48 0
IV.PZUN.HHZ. 2019-04-12T17:49:49.56 3.0 undecidable manual Sn -5.6 0
IV.CAR1.HHZ. 2019-04-12T17:49:40.47 3.0 negative manual Pg 10.04 0
IV.MSSA.HHZ. 2019-04-12T17:49:32.02 3.0 undecidable manual Sn -0.17 0
IV.MTRA.EHE. 2019-04-12T17:49:02.57 0.3 undecidable manual S 359 27.8499 50 -0.17 71
IV.TERO.HHZ. 2019-04-12T17:49:00.46 0.3 undecidable manual S 52 20.9679 116 -0.22 71
IV.GIGS.HHZ. 2019-04-12T17:48:58.73 0.3 undecidable manual S 113 15.0738 124 -0.16 73
IV.SMA1.EHE. 2019-04-12T17:48:58.91 0.3 undecidable manual S 338 14.9739 124 0.05 74
IV.RM33.EHZ. 2019-04-12T17:48:58.68 0.3 undecidable manual S 272 15.3735 123 -0.31 70
IV.MTRA.EHE. 2019-04-12T17:48:58.47 0.3 undecidable manual P 359 27.8499 50 0.01 73
IV.TERO.HHZ. 2019-04-12T17:48:57.31 0.1 undecidable manual P 52 20.9679 116 0.04 98
IV.SMA1.EHE. 2019-04-12T17:48:56.51 0.1 undecidable manual P 338 14.9739 124 0.3 94
IV.RM33.EHZ. 2019-04-12T17:48:56.30 0.1 undecidable manual P 272 15.3735 123 0.01 100
IV.CAMP.HHE. 2019-04-12T17:48:56.14 0.3 undecidable manual S 9 3.3966 161 -0.15 74
IV.GIGS.HHZ. 2019-04-12T17:48:56.39 0.1 undecidable manual P 113 15.0738 124 0.15 97
IV.CAMP.HHE. 2019-04-12T17:48:54.95 0.1 undecidable manual P 9 3.3966 161 0.22 98
IV.BRSN.EHZ. 2019-04-12T17:48:52.41 3.0 undecidable manual Sg 3.27 0
IV.VAGA.HHZ. 2019-04-12T17:48:51.06 3.0 undecidable manual Pn -4.11 0
IV.MCIV.CHZ. 2019-04-12T17:48:37.72 3.0 undecidable manual P -4.28 0
IV.BRSN.HNZ. 2019-04-12T17:48:34.51 3.0 positive manual P 0.07 0
IV.ATVO.HHZ. 2019-04-12T17:48:26.76 3.0 undecidable manual P -3.44 0
IV.PE3.EHZ. 2019-04-12T17:48:25.90 3.0 undecidable manual P -0.94 0
IV.COR1.EHZ. 2019-04-12T17:48:24.76 3.0 negative manual P 3.6 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.6 0.00003959433 0.2432 AML other m 2019-04-12T17:48:58.95
IV.RM33.EHN. ML:0.6 0.000036644469999999996 0.192 AML other m 2019-04-12T17:48:59.60
IV.RM33.HNE. ML:0.9 0.00006838633000000002 0.32 AML other m 2019-04-12T17:48:59.37
IV.GIGS.HHE. ML:0.2 0.000015913055999999998 0.1408 AML other m 2019-04-12T17:48:58.82
IV.GIGS.HHN. ML:0.0 0.000008696892000000001 0.0896 AML other m 2019-04-12T17:48:58.87
IV.TERO.HHE. ML:0.4 0.000021742625000000003 0.2176 AML other m 2019-04-12T17:49:00.68
IV.TERO.HHN. ML:0.4 0.000020255809999999997 0 AML other m 2019-04-12T17:49:00.83
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