Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-01-2019 and time 21:41:48 (Italy) in region 6 km W Campotosto (AQ)

A magnitude ML 1.6 earthquake occured in region: 6 km W Campotosto (AQ), on

  • 18-01-2019 20:41:48 (UTC)
  • 18-01-2019 21:41:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5780, 13.3080 at 13 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
Campotosto AQ 6 542 542
Amatrice RI 6 2657 3199
Capitignano AQ 6 665 3864
Montereale AQ 8 2581 6445
Cittareale RI 13 482 6927
Accumoli RI 14 667 7594
Barete AQ 14 737 8331
Crognaleto TE 15 1297 9628
Cagnano Amiterno AQ 15 1369 10997
Pizzoli AQ 16 4326 15323
Borbona RI 16 617 15940
Cortino TE 17 656 16596
Posta RI 18 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
95 Km SE of Perugia (166134 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 1.6 2019-01-18
20:41:48		 42.5777 13.3078 13 2019-08-22
08:24:48		 Bollettino Sismico Italiano INGV 64840581
Reviewed
Rev100 		ML 1.6 2019-01-18
20:41:48		 42.5787 13.3107 13 2019-01-18
20:50:36		 Sala Sismica INGV-Roma 64770381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-18 20:41:48 ± 0.07
Latitude 42.5777 ± 0.0036
Longitude 13.3078 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64840581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 418
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.76622
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 64840581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-21 12:47:41

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 64770381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-18 20:50:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-01-18T20:42:06.80 0.3 undecidable manual S 352 57.6978 92 0.4 63
IV.FDMO.HHZ. 2019-01-18T20:42:05.76 0.3 undecidable manual S 341 54.0015 93 0.34 65
IV.EL6.EHZ. 2019-01-18T20:42:03.39 0.1 undecidable manual P 349 85.0482 92 0.32 82
IV.FIAM.HHZ. 2019-01-18T20:42:01.15 0.3 undecidable manual S 205 37.7289 94 0.06 71
IV.MC2.EHZ. 2019-01-18T20:42:01.21 0.3 undecidable manual S 345 38.2284 94 -0.02 72
IV.ARRO.EHZ. 2019-01-18T20:42:01.65 0.3 undecidable manual S 270 44.3223 93 -1.18 47
IV.GAVE.EHZ. 2019-01-18T20:42:00.35 0.3 undecidable manual S 291 36.0417 95 -0.29 68
IV.MMO1.EHZ. 2019-01-18T20:42:00.49 0.3 undecidable manual S 2 35.742 95 -0.06 71
IV.NRCA.HHZ. 2019-01-18T20:41:59.44 0.3 undecidable manual S 331 32.4453 96 -0.25 69
IV.CSP1.EHZ. 2019-01-18T20:41:58.93 0.6 undecidable manual P 352 57.6978 92 0.08 45
IV.FDMO.HHZ. 2019-01-18T20:41:58.24 0.3 undecidable manual P 341 54.0015 93 -0.04 69
IV.TERO.HHZ. 2019-01-18T20:41:57.14 0.3 undecidable manual S 78 24.6531 99 -0.49 66
IV.MF5.EHZ. 2019-01-18T20:41:57.42 0.1 undecidable manual P 15 47.1195 93 0.19 91
IV.GIGS.HHZ. 2019-01-18T20:41:57.29 0.3 undecidable manual S 122 25.6521 98 -0.6 63
IV.VCEL.EHZ. 2019-01-18T20:41:57.81 0.6 undecidable manual P 115 48.1185 93 0.44 43
IV.ARRO.EHZ. 2019-01-18T20:41:56.73 0.1 undecidable manual P 270 44.3223 93 -0.06 93
IV.FAGN.HHZ. 2019-01-18T20:41:56.83 0.1 undecidable manual P 147 41.3253 94 0.49 86
IV.LNSS.HHZ. 2019-01-18T20:41:56.77 0.3 undecidable manual S 277 22.0668 101 -0.15 71
IV.MC2.EHZ. 2019-01-18T20:41:55.83 0.1 undecidable manual P 345 38.2284 94 -0.04 95
IV.MMO1.EHZ. 2019-01-18T20:41:55.40 0.1 undecidable manual P 2 35.742 95 -0.08 94
IV.GAVE.EHZ. 2019-01-18T20:41:55.53 0.3 undecidable manual P 291 36.0417 95 0 72
IV.FIAM.HHZ. 2019-01-18T20:41:55.75 0.1 undecidable manual P 205 37.7289 94 -0.03 94
IV.NRCA.HHZ. 2019-01-18T20:41:54.91 0.1 negative manual P 331 32.4453 96 -0.07 95
IV.RM33.EHZ. 2019-01-18T20:41:54.26 0.3 undecidable manual S 225 10.7781 128 0.09 74
IV.T1299.HNZ. 2019-01-18T20:41:53.32 0.1 undecidable manual S 342 6.5934 146 -0.09 100
IV.LNSS.HHZ. 2019-01-18T20:41:53.54 0.1 positive manual P 277 22.0668 101 0.16 95
IV.CAMP.HHZ. 2019-01-18T20:41:53.85 0.1 undecidable manual S 119 9.4794 133 -0.06 99
IV.TERO.HHZ. 2019-01-18T20:41:53.60 0.3 undecidable manual P 78 24.6531 99 -0.19 70
IV.GIGS.HHZ. 2019-01-18T20:41:53.76 0.1 undecidable manual P 122 25.6521 98 -0.18 94
IV.SMA1.EHZ. 2019-01-18T20:41:53.29 0.3 undecidable manual S 21 6.2937 147 -0.08 75
IV.RM33.EHZ. 2019-01-18T20:41:52.06 0.1 undecidable manual P 225 10.7781 128 0.27 95
IV.SMA1.EHZ. 2019-01-18T20:41:51.54 0.1 positive manual P 21 6.2937 147 0.21 96
IV.T1299.HNZ. 2019-01-18T20:41:51.55 0.1 undecidable manual P 342 6.5934 146 0.19 97
IV.CAMP.HHZ. 2019-01-18T20:41:51.82 0.1 undecidable manual P 119 9.4794 133 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.000583 0.54 AML other m 2019-01-18T20:41:53.68
IV.SMA1.EHE. ML:1.7 0.000669 0.16 AML other m 2019-01-18T20:41:53.73
IV.RM33.EHE. ML:1.6 0.00040050000000000003 0.32 AML other m 2019-01-18T20:41:54.53
IV.RM33.EHN. ML:1.5 0.000356 0.3 AML other m 2019-01-18T20:41:54.61
IV.LNSS.HHN. ML:1.6 0.00023649999999999998 0.32 AML other m 2019-01-18T20:41:57.12
IV.TERO.HHE. ML:1.4 0.0001515 1.52 AML other m 2019-01-18T20:41:57.96
IV.TERO.HHN. ML:1.6 0.00021 0.1 AML other m 2019-01-18T20:41:57.25
IV.LNSS.HHE. ML:1.7 0.000347 0.9 AML other m 2019-01-18T20:41:57.13
IV.NRCA.HHE. ML:1.8 0.00027400000000000005 0.18 AML other m 2019-01-18T20:41:59.69
IV.NRCA.HHN. ML:1.6 0.0001855 0.12 AML other m 2019-01-18T20:41:59.70
IV.GAVE.EHN. ML:1.7 0.0001855 1.82 AML other m 2019-01-18T20:42:01.92
IV.GAVE.EHE. ML:1.6 0.0001725 1.86 AML other m 2019-01-18T20:42:01.96
IV.FAGN.HHE. ML:1.3 0.00006855 1.28 AML other m 2019-01-18T20:42:11.68
IV.FAGN.HHN. ML:1.3 0.00007225000000000001 0.46 AML other m 2019-01-18T20:42:12.88
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