Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-02-2021 and time 09:22:36 (Italy) in region 7 km SE Capitignano (AQ)

A magnitude ML 1.4 earthquake occured in region: 7 km SE Capitignano (AQ), on

  • 12-02-2021 08:22:36 (UTC)
  • 12-02-2021 09:22:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4870, 13.3760 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 7 665 665
Campotosto AQ 8 542 1207
Pizzoli AQ 9 4326 5533
Barete AQ 9 737 6270
Crognaleto TE 11 1297 7567
Montereale AQ 12 2581 10148
Cagnano Amiterno AQ 13 1369 11517
L'Aquila AQ 15 69753 81270
Fano Adriano TE 15 296 81566
Pietracamela TE 15 271 81837
Scoppito AQ 16 3727 85564
Amatrice RI 18 2657 88221
Cortino TE 19 656 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
67 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Roma (2864731 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 1.4 2021-02-12
08:22:36		 42.4867 13.3762 11 2021-07-12
16:55:02		 Bollettino Sismico Italiano INGV 88151221
Reviewed
Rev100 		ML 1.4 2021-02-12
08:22:36		 42.4692 13.3713 11 2021-02-12
08:31:10		 Sala Sismica INGV-Roma 87073911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-12 08:22:36 ± 0.1
Latitude 42.4867 ± 0.0054
Longitude 13.3762 ± 0.0073
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88151221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 576
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61783
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 87073911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-12 08:31:10

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 88151221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-15 10:44:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTMR.HNZ. 2021-02-12T08:23:30.82 3.0 undecidable manual Sn 0.03 0
IV.CRTC.HHZ. 2021-02-12T08:22:59.69 3.0 undecidable manual P 0.23 0
IV.CSP1.EHZ. 2021-02-12T08:22:58.14 1.0 undecidable manual S 348 68.5758 50 0.95 17
IV.MF5.EHZ. 2021-02-12T08:22:55.07 0.6 undecidable manual S 7 55.9995 50 1.23 30
IV.MC2.EHZ. 2021-02-12T08:22:52.57 0.6 undecidable manual S 342 49.5171 50 0.46 43
IV.CSP1.EHZ. 2021-02-12T08:22:48.14 0.3 undecidable manual P 348 68.5758 50 -0.24 65
IV.LPEL.HHZ. 2021-02-12T08:22:47.97 3.0 positive manual P -0.35 0
IV.FIAM.HHZ. 2021-02-12T08:22:47.52 0.6 undecidable manual S 221 32.2455 50 0.03 48
IV.MTRA.EHZ. 2021-02-12T08:22:46.36 0.6 undecidable manual S 3 30.0477 50 -0.54 43
IV.MF5.EHZ. 2021-02-12T08:22:46.80 0.6 undecidable manual P 7 55.9995 50 0.35 43
IV.LNSS.HHZ. 2021-02-12T08:22:46.75 0.6 undecidable manual S 295 30.3474 50 -0.23 46
IV.MC2.EHZ. 2021-02-12T08:22:45.37 0.3 undecidable manual P 342 49.5171 50 -0.08 69
IV.TERO.HHZ. 2021-02-12T08:22:44.85 0.6 undecidable manual S 51 23.9538 50 -0.44 45
IV.FAGN.HHZ. 2021-02-12T08:22:43.54 0.6 undecidable manual P 145 29.8479 50 1.13 33
IV.SMA1.EHZ. 2021-02-12T08:22:43.12 0.6 undecidable manual S 348 16.2726 123 0 50
IV.T1299.EHE. 2021-02-12T08:22:43.64 0.6 undecidable manual S 335 18.0708 121 0 50
IV.MTRA.EHZ. 2021-02-12T08:22:42.13 0.1 positive manual P 3 30.0477 50 -0.31 91
IV.RM33.EHZ. 2021-02-12T08:22:42.08 0.6 undecidable manual S 281 13.4754 129 -0.24 48
IV.LNSS.HHZ. 2021-02-12T08:22:42.29 0.3 undecidable manual P 295 30.3474 50 -0.2 70
IV.GIGS.HHE. 2021-02-12T08:22:42.92 0.6 undecidable manual S 103 16.5723 123 -0.26 47
IV.FIAM.HHZ. 2021-02-12T08:22:42.74 0.3 undecidable manual P 221 32.2455 50 -0.04 72
IV.TERO.HHZ. 2021-02-12T08:22:41.31 0.1 undecidable manual P 51 23.9538 50 -0.2 95
IV.SMA1.EHZ. 2021-02-12T08:22:40.28 0.1 positive manual P 348 16.2726 123 0.02 99
IV.T1299.EHE. 2021-02-12T08:22:40.65 0.1 undecidable manual P 335 18.0708 121 0.09 98
IV.GIGS.HHE. 2021-02-12T08:22:40.27 0.1 undecidable manual P 103 16.5723 123 -0.03 99
IV.CAMP.HHE. 2021-02-12T08:22:40.64 0.6 undecidable manual S 26 6.0939 150 0.01 51
IV.CAMP.HHE. 2021-02-12T08:22:39.07 0.1 undecidable manual P 26 6.0939 150 0.25 96
IV.RM33.EHZ. 2021-02-12T08:22:39.81 0.1 undecidable manual P 281 13.4754 129 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.6 0.0003675 0.74 AML other m 2021-02-12T08:22:42.21
IV.RM33.EHN. ML:1.4 0.00027100000000000003 0.42 AML other m 2021-02-12T08:22:42.44
IV.SMA1.EHE. ML:1.3 0.0001835 0.18 AML other m 2021-02-12T08:22:43.53
IV.SMA1.EHN. ML:1.2 0.00014450000000000002 0.12 AML other m 2021-02-12T08:22:43.86
IV.TERO.HHE. ML:1.2 0.00009870000000000001 0.34 AML other m 2021-02-12T08:22:45.43
IV.MTRA.EHN. ML:1.4 0.000112 0.4 AML other m 2021-02-12T08:22:46.63
IV.MTRA.EHE. ML:1.4 0.00011265 0.94 AML other m 2021-02-12T08:22:46.37
IV.LNSS.HHE. ML:1.5 0.000148 0.96 AML other m 2021-02-12T08:22:47.07
IV.TERO.HHN. ML:1.3 0.00010815 0.42 AML other m 2021-02-12T08:22:47.84
IV.LNSS.HHN. ML:1.3 0.00008460000000000001 0.42 AML other m 2021-02-12T08:22:50.40
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