Earthquake with magnitude of ML 0.9 on date 12-02-2020 and time 12:27:45 (Italy) in region 8 km W Arquata del Tronto (AP)

A magnitude ML 0.9 earthquake occured in region: 8 km W Arquata del Tronto (AP), on

  • 12-02-2020 11:27:45 (UTC)
  • 12-02-2020 12:27:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.77, 13.2 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 8 1178 1178
Norcia PG 9 4957 6135
Accumoli RI 9 667 6802
Montegallo AP 14 523 7325
Castelsantangelo sul Nera MC 15 281 7606
Cascia PG 16 3217 10823
Cittareale RI 17 482 11305
Amatrice RI 17 2657 13962
Acquasanta Terme AP 17 2916 16878
Preci PG 18 724 17602
Montemonaco AP 18 604 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km S of Ancona (100861 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 0.9 2020-02-12
11:27:45
42.77 13.2 10 2020-07-18
21:08:24
Bollettino Sismico Italiano INGV 77075421
Reviewed
Rev100
ML 0.9 2020-02-12
11:27:45
42.77 13.2 10 2020-02-12
11:40:09
Sala Sismica INGV-Roma 76460611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 11:27:45 ± 0.04
Latitude 42.77 ± 0.00
Longitude 13.20 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77075421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 290
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77075421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-06 13:52:22

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 76460611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 11:40:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2020-02-12T11:28:04.46 3.0 negative manual P 0.19 0
IV.MML1.HNZ. 2020-02-12T11:27:59.64 0.3 undecidable manual S 335 0.3831 50 0.31 68
IV.TERO.HHZ. 2020-02-12T11:27:57.71 0.3 undecidable manual S 116 0.3318 50 -0.09 72
IV.CSP1.EHZ. 2020-02-12T11:27:57.91 0.3 undecidable manual S 1 0.3247 50 0.33 68
IV.CESI.HHZ. 2020-02-12T11:27:57.60 0.3 undecidable manual S 318 0.3202 50 0.16 71
IV.FDMO.HHZ. 2020-02-12T11:27:56.26 0.3 undecidable manual S 343 0.2806 50 -0.03 73
IV.CAMP.HHZ. 2020-02-12T11:27:55.97 0.6 undecidable manual S 146 0.2788 50 -0.26 47
IV.FEMA.HNZ. 2020-02-12T11:27:54.31 0.6 undecidable manual S 331 0.223 50 -0.26 47
IV.GAVE.HNZ. 2020-02-12T11:27:54.73 0.6 undecidable manual S 251 0.2347 50 -0.18 48
IV.ARRO.EHZ. 2020-02-12T11:27:53.41 0.1 undecidable manual P 239 0.3687 50 0.25 92
IV.MML1.HNZ. 2020-02-12T11:27:53.22 0.6 undecidable manual P 335 0.3831 50 -0.19 46
IV.LNSS.HHZ. 2020-02-12T11:27:53.75 0.3 undecidable manual S 215 0.2005 115 -0.09 74
IV.CSP1.EHZ. 2020-02-12T11:27:52.36 0.3 undecidable manual P 1 0.3247 50 -0.05 72
IV.MC2.EHZ. 2020-02-12T11:27:52.11 0.3 undecidable manual S 358 0.1448 123 0.16 73
IV.CESI.HHZ. 2020-02-12T11:27:52.33 0.3 undecidable manual P 318 0.3202 50 0 73
IV.MMO1.HNZ. 2020-02-12T11:27:52.48 0.3 undecidable manual S 36 0.1628 120 -0.08 74
IV.SMA1.EHZ. 2020-02-12T11:27:52.96 0.3 undecidable manual S 143 0.17 119 0.16 73
IV.MF5.EHZ. 2020-02-12T11:27:52.12 0.1 undecidable manual P 41 0.2932 50 0.26 93
IV.TERO.HHZ. 2020-02-12T11:27:52.13 0.6 undecidable manual P 116 0.3318 50 -0.4 45
IV.T1299.HNZ. 2020-02-12T11:27:52.30 0.3 undecidable manual S 155 0.1466 122 0.28 72
IT.MTCL.HGZ. 2020-02-12T11:27:51.28 0.1 undecidable manual P 328 0.2689 50 -0.17 95
IV.FDMO.HHZ. 2020-02-12T11:27:51.58 0.3 undecidable manual P 343 0.2806 50 -0.08 73
IV.CAMP.HHZ. 2020-02-12T11:27:51.49 0.1 undecidable manual P 146 0.2788 50 -0.14 96
IV.MTRA.HNZ. 2020-02-12T11:27:51.86 0.3 undecidable manual S 94 0.1466 122 -0.17 73
IV.LNSS.HHZ. 2020-02-12T11:27:50.24 0.3 undecidable manual P 215 0.2005 115 -0.01 75
IV.NRCA.HHZ. 2020-02-12T11:27:50.00 0.1 undecidable manual S 318 0.0899 136 -0.31 96
IV.FEMA.HNZ. 2020-02-12T11:27:50.49 0.1 undecidable manual P 331 0.223 50 -0.18 96
IV.GAVE.HNZ. 2020-02-12T11:27:50.99 0.6 undecidable manual P 251 0.2347 50 0.12 48
IV.MTRA.HNZ. 2020-02-12T11:27:49.14 0.3 undecidable manual P 94 0.1466 122 -0.06 75
IV.T1299.HNZ. 2020-02-12T11:27:49.20 0.3 undecidable manual P 155 0.1466 122 0 76
IV.MC2.EHZ. 2020-02-12T11:27:49.33 0.3 undecidable manual P 358 0.1448 123 0.17 73
IV.MMO1.HNZ. 2020-02-12T11:27:49.36 0.3 undecidable manual P 36 0.1628 120 -0.15 73
IV.SMA1.EHZ. 2020-02-12T11:27:49.95 0.3 undecidable manual P 143 0.17 119 0.3 71
IV.NRCA.HHZ. 2020-02-12T11:27:48.31 0.1 undecidable manual P 318 0.0899 136 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.00060942965 0.1472 AML other m 2020-02-12T11:27:50.13
IV.NRCA.HNN. ML:1.6 0.00046081695 0.1728 AML other m 2020-02-12T11:27:50.20
IV.NRCA.HHN. ML:1.6 0.0005085444 0.16 AML other m 2020-02-12T11:27:50.12
IV.NRCA.HHE. ML:1.7 0.0006009735 0.0768 AML other m 2020-02-12T11:27:50.14
IV.SMA1.EHE. ML:0.7 3.313037E-5 1.6992 AML other m 2020-02-12T11:27:52.03
IV.SMA1.EHN. ML:0.5 2.4705165E-5 0 AML other m 2020-02-12T11:27:53.10
IV.LNSS.HNN. ML:1.2 0.00010174221 0.2496 AML other m 2020-02-12T11:27:53.99
IV.LNSS.HHE. ML:1.2 0.00010702897 0.1216 AML other m 2020-02-12T11:27:54.52
IV.LNSS.HHN. ML:1 6.8563085E-5 0.096 AML other m 2020-02-12T11:27:54.60
IV.FDMO.HHN. ML:0.7 2.399789E-5 0.2048 AML other m 2020-02-12T11:27:56.68
IV.FDMO.HHE. ML:0.7 2.33210515E-5 0.1408 AML other m 2020-02-12T11:27:57.23
IV.TERO.HHE. ML:0.7 1.8023495E-5 1.904 AML other m 2020-02-12T11:27:58.98
IV.CESI.HHN. ML:1.1 4.713051E-5 0.096 AML other m 2020-02-12T11:27:58.08
IV.CESI.HHE. ML:0.9 3.1114985E-5 0.0768 AML other m 2020-02-12T11:27:58.16
IV.CSP1.EHN. ML:1.1 4.525715E-5 0.2368 AML other m 2020-02-12T11:27:58.71
IV.CSP1.EHE. ML:1.1 4.323589E-5 0.16 AML other m 2020-02-12T11:27:58.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download