Earthquake with magnitude of ML 1.2 on date 16-03-2021 and time 22:39:55 (UTC) in region 2 km W Capitignano (AQ)

A magnitude ML 1.2 earthquake occured in region: 2 km W Capitignano (AQ), on

  • 16-03-2021 22:39:55 (UTC)
  • 16-03-2021 23:39:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.518, 13.278 at 14 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
Capitignano AQ 2 665 665
Montereale AQ 3 2581 3246
Barete AQ 7 737 3983
Cagnano Amiterno AQ 8 1369 5352
Campotosto AQ 9 542 5894
Pizzoli AQ 9 4326 10220
Borbona RI 12 617 10837
Amatrice RI 13 2657 13494
Cittareale RI 15 482 13976
Posta RI 15 694 14670
Scoppito AQ 16 3727 18397
Crognaleto TE 17 1297 19694
Micigliano RI 20 127 19821
Antrodoco RI 20 2588 22409
Accumoli RI 20 667 23076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 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 1.2 2021-03-16
22:39:55
42.5183 13.2778 14 2021-07-12
16:55:05
Bollettino Sismico Italiano INGV 88824851
Reviewed
Rev100
ML 1.3 2021-03-16
22:39:55
42.5152 13.2762 14 2021-03-16
22:46:59
Sala Sismica INGV-Roma 88194531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-16 22:39:55 ± 0.05
Latitude 42.5183 ± 0.0027
Longitude 13.2778 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88824851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 286
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
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) 55
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 88194531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-16 22:46:59

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 88824851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-06 11:11:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MNTV.EHZ. 2021-03-16T22:41:22.99 3.0 undecidable manual Sn -2.69 0
IV.SEI.HHZ. 2021-03-16T22:40:52.75 3.0 undecidable manual Sn -5.71 0
IV.VITU.HHZ. 2021-03-16T22:40:48.77 3.0 undecidable manual Sg 1.38 0
CR.STON.BHZ. 2021-03-16T22:40:46.68 3.0 undecidable manual Pn -0.31 0
IV.PTRJ.HNZ. 2021-03-16T22:40:42.88 3.0 undecidable manual Sg 0.1 0
IV.MCRV.HHZ. 2021-03-16T22:40:33.75 3.0 undecidable manual Pg 1.63 0
IV.CFMN.HHZ. 2021-03-16T22:40:22.56 3.0 positive manual Pn -3.26 0
IV.CRTC.HHZ. 2021-03-16T22:40:20.35 3.0 positive manual Pg 0.5 0
IV.MMO1.EHZ. 2021-03-16T22:40:09.51 0.6 undecidable manual S 5 0.3822 95 0.3 44
IV.ARRO.EHZ. 2021-03-16T22:40:09.24 0.6 undecidable manual S 279 0.3822 95 0.05 46
IV.GAVE.EHZ. 2021-03-16T22:40:07.60 0.6 undecidable manual S 302 0.3318 96 -0.1 46
IV.NRCA.HHZ. 2021-03-16T22:40:07.84 0.6 undecidable manual S 339 0.3372 96 -0.03 47
IV.FIAM.HHZ. 2021-03-16T22:40:05.93 0.6 undecidable manual S 205 0.277 99 -0.17 47
IV.TERO.HHZ. 2021-03-16T22:40:05.49 0.6 undecidable manual S 66 0.2617 99 -0.16 46
IV.MTRA.EHZ. 2021-03-16T22:40:05.19 0.1 undecidable manual S 20 0.2536 100 -0.23 91
IV.GIGS.HJZ. 2021-03-16T22:40:04.27 0.6 undecidable manual S 107 0.2266 102 -0.37 45
IV.LNSS.HHZ. 2021-03-16T22:40:03.65 0.6 undecidable manual S 296 0.1943 106 -0.05 48
IV.ARRO.EHZ. 2021-03-16T22:40:03.27 0.1 undecidable manual P 279 0.3822 95 -0.08 92
MN.AQU.HHE. 2021-03-16T22:40:03.59 0.6 undecidable manual S 150 0.1889 107 0.04 48
IV.MMO1.EHZ. 2021-03-16T22:40:03.40 0.3 undecidable manual P 5 0.3822 95 0.04 70
IV.GAVE.EHZ. 2021-03-16T22:40:02.42 0.1 undecidable manual P 302 0.3318 96 -0.07 93
IV.NRCA.HHZ. 2021-03-16T22:40:02.66 0.1 undecidable manual P 339 0.3372 96 0.06 94
IV.MTRA.EHZ. 2021-03-16T22:40:01.07 0.1 undecidable manual P 20 0.2536 100 -0.11 94
IV.CAMP.HHZ. 2021-03-16T22:40:01.13 0.6 undecidable manual S 80 0.098 131 -0.04 49
IV.FIAM.HHZ. 2021-03-16T22:40:01.57 0.3 undecidable manual P 205 0.277 99 0 71
IV.T1299.EHN. 2021-03-16T22:40:01.53 0.6 undecidable manual S 2 0.116 125 -0.06 48
IV.SMA1.EHZ. 2021-03-16T22:40:01.92 0.6 undecidable manual S 21 0.1196 124 0.23 47
IV.TERO.HHZ. 2021-03-16T22:40:01.24 0.3 undecidable manual P 66 0.2617 99 -0.07 71
IV.LNSS.HHZ. 2021-03-16T22:40:00.24 0.1 undecidable manual P 296 0.1943 106 0.06 96
MN.AQU.HHE. 2021-03-16T22:40:00.43 0.3 undecidable manual P 150 0.1889 107 0.33 68
IV.GIGS.HJZ. 2021-03-16T22:40:00.56 0.3 undecidable manual P 107 0.2266 102 -0.17 70
IV.RM33.HNN. 2021-03-16T22:39:59.89 0.6 undecidable manual S 259 0.0477 154 -0.37 46
IV.SMA1.EHZ. 2021-03-16T22:39:59.32 0.1 undecidable manual P 21 0.1196 124 0.3 93
IV.T1299.EHN. 2021-03-16T22:39:59.10 0.1 undecidable manual P 2 0.116 125 0.14 96
IV.RM33.HNN. 2021-03-16T22:39:58.20 0.1 undecidable manual P 259 0.0477 154 0 100
IV.CAMP.HHZ. 2021-03-16T22:39:58.93 0.1 undecidable manual P 80 0.098 131 0.2 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.0003775 0.28 AML other m 2021-03-16T22:40:02.41
IV.SMA1.EHE. ML:1.7 0.000481 0.22 AML other m 2021-03-16T22:40:02.44
IV.LNSS.HHE. ML:1.4 0.00016 1.1 AML other m 2021-03-16T22:40:03.94
IV.LNSS.HHN. ML:1.4 0.0001405 1.82 AML other m 2021-03-16T22:40:03.97
IV.MTRA.EHN. ML:1.2 6.9E-5 0.14 AML other m 2021-03-16T22:40:05.62
IV.MTRA.EHE. ML:1.1 6.7E-5 0.22 AML other m 2021-03-16T22:40:05.63
IV.NRCA.HHE. ML:1.2 5.715E-5 0.1 AML other m 2021-03-16T22:40:08.35
IV.NRCA.HHN. ML:1 4.175E-5 0.62 AML other m 2021-03-16T22:40:09.62
IV.GAVE.EHE. ML:1.1 4.38E-5 0.44 AML other m 2021-03-16T22:40:09.55
IV.GAVE.EHN. ML:1 3.27E-5 1.08 AML other m 2021-03-16T22:40:13.96
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