Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-02-2020 and time 22:54:25 (UTC) in region 1 km SW Capitignano (AQ)

A magnitude ML 1.6 earthquake occured in region: 1 km SW Capitignano (AQ), on

  • 18-02-2020 22:54:25 (UTC)
  • 18-02-2020 23:54:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5150, 13.2920 at 11 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
Capitignano AQ 1 665 665
Montereale AQ 4 2581 3246
Barete AQ 7 737 3983
Campotosto AQ 8 542 4525
Cagnano Amiterno AQ 8 1369 5894
Pizzoli AQ 9 4326 10220
Amatrice RI 13 2657 12877
Borbona RI 13 617 13494
Cittareale RI 16 482 13976
Crognaleto TE 16 1297 15273
Posta RI 16 694 15967
Scoppito AQ 16 3727 19694

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 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 2020-02-18
22:54:25		 42.5148 13.2923 11 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78544781
Reviewed
Rev100 		ML 1.5 2020-02-18
22:54:25		 42.5167 13.2967 13 2020-02-18
23:04:10		 Sala Sismica INGV-Roma 76638101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 22:54:25 ± 0.07
Latitude 42.5148 ± 0.0036
Longitude 13.2923 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78544781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 475
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64302
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 78544781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-24 17:57:08

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 76638101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 23:04:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2020-02-18T22:55:07.93 3.0 undecidable manual S 2.08 0
IV.MOMA.HHZ. 2020-02-18T22:54:46.50 0.3 undecidable manual S 299 67.0773 90 0.7 58
IV.CSP1.EHE. 2020-02-18T22:54:45.86 0.6 undecidable manual S 354 64.3911 90 0.77 37
IV.CESI.HHE. 2020-02-18T22:54:44.81 0.6 undecidable manual S 330 62.8926 90 0.14 45
IV.FDMO.HHN. 2020-02-18T22:54:44.60 0.3 undecidable manual S 344 60.1953 90 0.63 59
IV.MF5.EHZ. 2020-02-18T22:54:43.32 0.3 undecidable manual S 15 54.2013 90 0.95 51
IV.RDP.HHZ. 2020-02-18T22:54:41.79 3.0 undecidable manual P -0.17 0
IV.MC2.EHZ. 2020-02-18T22:54:40.13 0.6 undecidable manual S 349 44.8218 90 0.28 45
IV.ARRO.EHZ. 2020-02-18T22:54:39.43 0.6 undecidable manual S 280 43.623 90 -0.11 46
IV.MMO1.EHZ. 2020-02-18T22:54:39.16 0.3 undecidable manual S 4 42.7239 90 -0.15 70
IV.MML1.HNE. 2020-02-18T22:54:38.50 0.3 undecidable manual P 339 71.373 90 0.65 58
IV.NRCA.HHZ. 2020-02-18T22:54:37.62 0.3 undecidable manual S 338 38.2284 90 -0.48 65
IV.MOMA.HHZ. 2020-02-18T22:54:37.07 0.6 undecidable manual P 299 67.0773 90 -0.12 44
IV.GAVE.EHZ. 2020-02-18T22:54:37.81 0.3 undecidable manual S 301 38.0286 90 -0.22 68
IV.FIAM.HHZ. 2020-02-18T22:54:36.23 0.6 undecidable manual S 208 30.9468 90 0.08 48
IV.CSP1.EHE. 2020-02-18T22:54:36.78 0.3 undecidable manual P 354 64.3911 90 0 69
IV.CESI.HHE. 2020-02-18T22:54:36.39 0.3 undecidable manual P 330 62.8926 90 -0.16 66
IV.FDMO.HHN. 2020-02-18T22:54:35.94 0.3 undecidable manual P 344 60.1953 90 -0.2 66
IV.MF5.EHZ. 2020-02-18T22:54:35.44 0.3 undecidable manual P 15 54.2013 90 0.23 67
IV.VCEL.EHZ. 2020-02-18T22:54:34.41 0.3 undecidable manual P 106 46.8198 90 0.34 66
IV.MTRA.EHZ. 2020-02-18T22:54:34.73 0.3 undecidable manual S 18 28.1496 91 -0.68 63
IV.T0110.HHZ. 2020-02-18T22:54:34.92 0.3 undecidable manual P 128 50.7159 90 0.24 67
IV.TERO.HHZ. 2020-02-18T22:54:34.91 0.1 undecidable manual S 65 28.1496 91 -0.5 89
IV.LNSS.HHZ. 2020-02-18T22:54:33.92 0.3 undecidable manual S 295 22.755 91 -0.05 72
IV.MMO1.EHZ. 2020-02-18T22:54:33.13 0.3 undecidable manual P 4 42.7239 90 -0.31 67
IV.GIGS.HHZ. 2020-02-18T22:54:33.90 0.3 undecidable manual S 106 23.9538 91 -0.39 68
IV.ARRO.EHZ. 2020-02-18T22:54:33.33 0.3 undecidable manual P 280 43.623 90 -0.25 67
IV.MC2.EHZ. 2020-02-18T22:54:33.76 0.3 undecidable manual P 349 44.8218 90 0 71
IV.GAVE.EHZ. 2020-02-18T22:54:32.42 0.1 undecidable manual P 301 38.0286 90 -0.29 90
IV.NRCA.HHZ. 2020-02-18T22:54:32.45 0.3 negative manual P 338 38.2284 90 -0.29 68
IV.T1299.HNZ. 2020-02-18T22:54:31.21 0.3 undecidable manual S 356 13.2756 102 -0.23 72
IV.FIAM.HHZ. 2020-02-18T22:54:31.71 0.3 undecidable manual P 208 30.9468 90 0.09 73
IV.SMA1.EHZ. 2020-02-18T22:54:31.43 0.1 undecidable manual S 15 13.2756 102 -0.02 100
IV.MTRA.EHZ. 2020-02-18T22:54:30.88 0.3 undecidable manual P 18 28.1496 91 -0.31 69
MN.AQU.HNZ. 2020-02-18T22:54:30.68 0.3 undecidable manual P 153 20.0688 91 0.73 63
IV.TERO.HHZ. 2020-02-18T22:54:30.93 0.1 undecidable manual P 65 28.1496 91 -0.26 93
IV.LNSS.HHZ. 2020-02-18T22:54:30.27 0.1 undecidable manual P 295 22.755 91 -0.09 96
IV.CAMP.HHZ. 2020-02-18T22:54:30.63 0.3 undecidable manual S 76 9.7791 122 0.04 75
IV.GIGS.HHZ. 2020-02-18T22:54:30.41 0.1 undecidable manual P 106 23.9538 91 -0.14 95
IV.SMA1.EHZ. 2020-02-18T22:54:29.03 0.1 negative manual P 15 13.2756 102 0.12 98
IV.RM33.EHZ. 2020-02-18T22:54:29.88 0.1 undecidable manual S 264 6.3936 140 -0.02 99
IV.CAMP.HHZ. 2020-02-18T22:54:28.63 0.1 undecidable manual P 76 9.7791 122 0.22 97
IV.T1299.HNZ. 2020-02-18T22:54:28.92 0.1 undecidable manual P 356 13.2756 102 0.02 100
IV.RM33.EHZ. 2020-02-18T22:54:28.23 0.1 undecidable manual P 264 6.3936 140 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.8 0.0008807119000000001 0.1792 AML other m 2020-02-18T22:54:30.04
IV.RM33.EHE. ML:1.8 0.00088962655 0.1408 AML other m 2020-02-18T22:54:30.18
IV.RM33.EHN. ML:1.8 0.0008358077 0.1152 AML other m 2020-02-18T22:54:30.00
IV.RM33.HNN. ML:1.8 0.00080531045 0.1152 AML other m 2020-02-18T22:54:30.00
IV.CAMP.HHE. ML:1.2 0.00019895924999999997 0.384 AML other m 2020-02-18T22:54:32.28
IV.CAMP.HHN. ML:1.4 0.00032762425 0.3328 AML other m 2020-02-18T22:54:31.07
IV.SMA1.EHN. ML:1.9 0.0008537599 0.384 AML other m 2020-02-18T22:54:31.93
IV.SMA1.EHE. ML:1.8 0.0006352854 0.2048 AML other m 2020-02-18T22:54:31.85
IV.LNSS.HNN. ML:1.5 0.00020136162999999998 0.2048 AML other m 2020-02-18T22:54:34.04
IV.LNSS.HHE. ML:1.8 0.00038586935 0.1408 AML other m 2020-02-18T22:54:34.08
IV.LNSS.HHN. ML:1.6 0.00023279785 0.1408 AML other m 2020-02-18T22:54:34.03
IV.LNSS.HNE. ML:1.8 0.0003654331 0.1536 AML other m 2020-02-18T22:54:34.01
IV.MTRA.EHE. ML:1.5 0.000154472485 0.1152 AML other m 2020-02-18T22:54:35.32
IV.MTRA.HNE. ML:1.5 0.00014787629499999998 0.0896 AML other m 2020-02-18T22:54:34.99
IV.MTRA.HNN. ML:1.5 0.0001598778 0.2176 AML other m 2020-02-18T22:54:35.60
IV.MTRA.EHN. ML:1.6 0.00018355885 0.2176 AML other m 2020-02-18T22:54:35.21
IV.TERO.HNE. ML:1.5 0.0001515087 0.1408 AML other m 2020-02-18T22:54:35.17
IV.TERO.HHE. ML:1.3 0.00010281762999999999 0.1024 AML other m 2020-02-18T22:54:35.24
IV.TERO.HHN. ML:1.5 0.00015188075 0.1664 AML other m 2020-02-18T22:54:35.08
IV.TERO.HNN. ML:1.6 0.00021897070000000002 2.2656 AML other m 2020-02-18T22:54:36.29
IV.GAVE.EHN. ML:1.5 0.00010509041 0.1408 AML other m 2020-02-18T22:54:38.04
IV.GAVE.EHE. ML:1.4 0.000100049575 0.1536 AML other m 2020-02-18T22:54:38.64
IV.NRCA.HHE. ML:1.5 0.00010931408000000001 0.1536 AML other m 2020-02-18T22:54:37.80
IV.NRCA.HNE. ML:1.7 0.0001648657 1.6128 AML other m 2020-02-18T22:54:38.75
IV.NRCA.HNN. ML:1.8 0.0002224117 2.8288 AML other m 2020-02-18T22:54:38.18
IV.NRCA.HHN. ML:1.4 0.00008665866999999999 0.0896 AML other m 2020-02-18T22:54:39.64
IV.VCEL.EHE. ML:1.2 0.000046131115 0.1152 AML other m 2020-02-18T22:54:43.23
IV.VCEL.EHN. ML:1.2 0.000047188235 0.2688 AML other m 2020-02-18T22:54:42.69
IV.MOMA.HHN. ML:1.4 0.00004434745 2.6368 AML other m 2020-02-18T22:54:47.12
IV.MOMA.HHE. ML:1.5 0.00005902084 0.1408 AML other m 2020-02-18T22:54:47.90
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