Earthquake with magnitude of ML 1.8 on date 07-05-2021 and time 11:32:38 (UTC) in region 3 km SW Capitignano (AQ)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Capitignano (AQ), on

  • 07-05-2021 11:32:38 (UTC)
  • 07-05-2021 13:32:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.507, 13.278 at 15 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 3 665 665
Montereale AQ 3 2581 3246
Barete AQ 6 737 3983
Cagnano Amiterno AQ 7 1369 5352
Pizzoli AQ 8 4326 9678
Campotosto AQ 10 542 10220
Borbona RI 12 617 10837
Amatrice RI 14 2657 13494
Posta RI 15 694 14188
Scoppito AQ 15 3727 17915
Cittareale RI 16 482 18397
Crognaleto TE 17 1297 19694
Antrodoco RI 19 2588 22282
Micigliano RI 19 127 22409
L'Aquila AQ 20 69753 92162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
99 Km SE of Perugia (166134 inhabitants)
100 Km NE of Velletri (53303 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 1.8 2021-05-07
11:32:38
42.507 13.2777 15 2021-12-29
11:12:10
Bollettino Sismico Italiano INGV 92703971
Reviewed
Rev100
ML 1.7 2021-05-07
11:32:38
42.5118 13.2773 15 2021-05-07
11:46:16
Sala Sismica INGV-Roma 89882701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-07 11:32:38 ± 0.09
Latitude 42.5070 ± 0.0054
Longitude 13.2777 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92703971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 586
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 590
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 92703971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-13 09:03:18

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 89882701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-07 11:46:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SARZ.HHZ. 2021-05-07T11:34:43.11 3.0 undecidable manual Sg 17.74 0
IV.MTGR.HHZ. 2021-05-07T11:34:34.37 3.0 undecidable manual Sn -8.61 0
IV.EUCT.HNZ. 2021-05-07T11:34:26.13 3.0 undecidable manual Sn -1.2 0
IV.GIZZ.HHZ. 2021-05-07T11:34:25.35 3.0 undecidable manual Sn -6.46 0
IV.CLTA.HHZ. 2021-05-07T11:34:10.99 3.0 positive manual Pg 12.28 0
MN.VAE.HHZ. 2021-05-07T11:34:06.48 3.0 undecidable manual Pg 11.46 0
GU.GRAM.HHZ. 2021-05-07T11:34:03.41 3.0 undecidable manual Sn -0.35 0
IV.PZUN.HHZ. 2021-05-07T11:33:56.12 3.0 undecidable manual Sg 1.29 0
ST.CARE.EHZ. 2021-05-07T11:33:55.04 3.0 undecidable manual Pg 11.25 0
CR.ZAG.BHZ. 2021-05-07T11:33:50.04 3.0 undecidable manual Pg 12.78 0
ST.RONC.EHZ. 2021-05-07T11:33:47.06 3.0 undecidable manual Pg 8.34 0
IV.TRIF.CHZ. 2021-05-07T11:33:40.71 3.0 undecidable manual Sg 6.46 0
IV.PAOL.HHZ. 2021-05-07T11:33:32.03 3.0 undecidable manual Sg -0.99 0
IV.CIGN.HHZ. 2021-05-07T11:33:25.18 3.0 undecidable manual Sg -0.86 0
IV.NDIM.HNZ. 2021-05-07T11:33:23.78 3.0 positive manual Pn -0.92 0
IV.RIBO.EHZ.01 2021-05-07T11:33:10.58 3.0 undecidable manual Pg 2.7 0
IV.ATFO.HHZ. 2021-05-07T11:32:56.01 3.0 undecidable manual P -1.89 0
IV.VCEL.EHZ. 2021-05-07T11:32:53.95 0.6 undecidable manual S 105 0.4299 97 0.52 44
IV.RMP.HHZ. 2021-05-07T11:32:53.87 3.0 undecidable manual P -1.31 0
IV.MC2.EHZ. 2021-05-07T11:32:53.39 0.3 undecidable manual S 351 0.4092 97 0.57 63
IV.NRCA.HHZ. 2021-05-07T11:32:51.01 0.3 undecidable manual S 340 0.348 99 0 73
IV.GAVE.EHZ. 2021-05-07T11:32:50.17 0.3 undecidable manual S 303 0.3372 99 -0.54 66
IV.TERO.HHZ. 2021-05-07T11:32:48.20 0.3 undecidable manual S 64 0.2662 103 -0.45 67
IV.FDMO.HHZ. 2021-05-07T11:32:48.42 0.3 undecidable manual P 345 0.5477 95 -0.56 62
IV.GIGS.HHN. 2021-05-07T11:32:47.14 0.3 undecidable manual S 104 0.2239 107 -0.3 70
IV.VCEL.EHZ. 2021-05-07T11:32:47.39 0.3 undecidable manual P 105 0.4299 97 0.41 67
IV.LNSS.HHZ. 2021-05-07T11:32:46.89 0.3 undecidable manual S 299 0.1996 111 0.15 73
IV.MC2.EHZ. 2021-05-07T11:32:46.66 0.3 undecidable manual P 351 0.4092 97 0.03 72
IV.ARRO.EHZ. 2021-05-07T11:32:46.24 0.3 undecidable manual P 281 0.384 98 0.04 72
IV.SMA1.EHZ. 2021-05-07T11:32:45.03 0.3 undecidable manual S 19 0.1304 125 0.1 75
IV.GAVE.EHZ. 2021-05-07T11:32:45.38 0.3 undecidable manual P 303 0.3372 99 -0.03 73
IV.NRCA.HHZ. 2021-05-07T11:32:45.45 0.1 negative manual P 340 0.348 99 -0.14 95
IV.CAMP.HHZ. 2021-05-07T11:32:44.19 0.3 undecidable manual S 73 0.1007 135 -0.07 76
IV.T1299.HNE. 2021-05-07T11:32:44.78 0.3 undecidable manual S 2 0.1268 126 -0.07 76
IV.TERO.HHZ. 2021-05-07T11:32:44.04 0.3 undecidable manual P 64 0.2662 103 -0.19 71
IV.RM33.EHZ. 2021-05-07T11:32:43.26 0.3 undecidable manual S 272 0.0468 157 -0.09 77
IV.LNSS.HHZ. 2021-05-07T11:32:43.29 0.1 negative manual P 299 0.1996 111 0.17 97
IV.GIGS.HHN. 2021-05-07T11:32:43.39 0.1 undecidable manual P 104 0.2239 107 -0.13 97
IV.T1299.HNE. 2021-05-07T11:32:42.15 0.1 negative manual P 2 0.1268 126 0.12 99
IV.SMA1.EHZ. 2021-05-07T11:32:42.24 0.1 undecidable manual P 19 0.1304 125 0.16 98
IV.RM33.EHZ. 2021-05-07T11:32:41.29 0.3 undecidable manual P 272 0.0468 157 0.12 76
IV.CAMP.HHZ. 2021-05-07T11:32:41.82 0.1 positive manual P 73 0.1007 135 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.7 0.0005825 0.2 AML other m 2021-05-07T11:32:43.33
IV.RM33.EHE. ML:1.5 0.0003865 0.42 AML other m 2021-05-07T11:32:43.34
IV.SMA1.EHE. ML:2.3 0.00168 0.18 AML other m 2021-05-07T11:32:45.35
IV.SMA1.EHN. ML:1.9 0.0006325 0.36 AML other m 2021-05-07T11:32:45.26
IV.LNSS.HHN. ML:2.1 0.0008325 0.46 AML other m 2021-05-07T11:32:47.06
IV.LNSS.HHE. ML:2.1 0.0008035 0.14 AML other m 2021-05-07T11:32:47.22
IV.TERO.HHN. ML:1.4 0.0001041 1.54 AML other m 2021-05-07T11:32:48.11
IV.TERO.HHE. ML:1.2 7.715E-5 0.22 AML other m 2021-05-07T11:32:49.49
IV.NRCA.HHE. ML:2 0.000314 0.4 AML other m 2021-05-07T11:32:51.56
IV.NRCA.HHN. ML:1.8 0.0002035 0.12 AML other m 2021-05-07T11:32:51.43
IV.VCEL.EHN. ML:1.4 7.38E-5 0.96 AML other m 2021-05-07T11:32:55.58
IV.VCEL.EHE. ML:1.6 0.00011175 1.36 AML other m 2021-05-07T11:32:57.85
IV.PZUN.HHN. ML:3.4 0.000297 1.22 AML other m 2021-05-07T11:33:56.88
IV.PZUN.HNN. ML:3.4 0.0002855 1.36 AML other m 2021-05-07T11:33:58.00
IV.PZUN.HNE. ML:3.3 0.000258 0.12 AML other m 2021-05-07T11:34:10.40
IV.PZUN.HHE. ML:3.3 0.0002375 0.1 AML other m 2021-05-07T11:34:10.35
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