Earthquake with magnitude of ML 1.5 on date 27-07-2021 and time 03:45:11 (UTC) in region 5 km W Campotosto (AQ)

A magnitude ML 1.5 earthquake occured in region: 5 km W Campotosto (AQ), on

  • 27-07-2021 03:45:11 (UTC)
  • 27-07-2021 05:45:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.572, 13.314 at 13 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
Campotosto AQ 5 542 542
Capitignano AQ 6 665 1207
Amatrice RI 7 2657 3864
Montereale AQ 8 2581 6445
Cittareale RI 14 482 6927
Barete AQ 14 737 7664
Crognaleto TE 14 1297 8961
Cagnano Amiterno AQ 14 1369 10330
Accumoli RI 15 667 10997
Pizzoli AQ 15 4326 15323
Borbona RI 16 617 15940
Cortino TE 17 656 16596
Fano Adriano TE 19 296 16892
Posta RI 19 694 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
96 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 1.5 2021-07-27
03:45:11
42.5722 13.3142 13 2021-12-29
11:12:32
Bollettino Sismico Italiano INGV 95775371
Reviewed
Rev100
ML 1.5 2021-07-27
03:45:11
42.5722 13.3128 12 2021-07-27
03:51:40
Sala Sismica INGV-Roma 93257281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-27 03:45:11 ± 0.06
Latitude 42.5722 ± 0.0036
Longitude 13.3142 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95775371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 95
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 360
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 29
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) 0.50002
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 95775371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-23 08:23:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 93257281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-27 03:51:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2021-07-27T03:45:57.90 3.0 undecidable manual Sn -0.01 0
IX.NSC3.EHZ.02 2021-07-27T03:45:48.97 3.0 undecidable manual Pn 2.17 0
IV.SSFR.HNZ. 2021-07-27T03:45:43.26 3.0 undecidable manual S -0.6 0
IV.TST02.HHZ. 2021-07-27T03:45:31.13 3.0 undecidable manual P 0.8 0
IV.MMUR.HNZ. 2021-07-27T03:45:29.73 3.0 undecidable manual P 0.83 0
IV.GAVE.EHZ. 2021-07-27T03:45:23.40 0.6 undecidable manual S 291 0.331 94 -0.14 47
IV.NRCA.HHZ. 2021-07-27T03:45:22.40 0.3 undecidable manual S 331 0.2995 95 -0.2 70
IT.CSO1.HGZ. 2021-07-27T03:45:21.41 1.0 undecidable manual P 200 0.5 92 0.19 23
IV.T0110.HHZ. 2021-07-27T03:45:21.08 0.6 undecidable manual P 135 0.4829 93 0.14 46
IV.FDMO.HHZ. 2021-07-27T03:45:21.20 1.0 undecidable manual P 340 0.4928 93 0.1 23
IV.TERO.HHZ. 2021-07-27T03:45:20.00 0.3 undecidable manual S 77 0.2194 99 -0.24 72
IV.VCEL.EHZ. 2021-07-27T03:45:20.35 0.3 undecidable manual P 114 0.4263 93 0.38 67
IV.GIGS.HHZ. 2021-07-27T03:45:20.00 0.3 undecidable manual S 122 0.2248 99 -0.4 69
IV.MF5.EHN. 2021-07-27T03:45:20.43 1.0 undecidable manual P 14 0.429 93 0.42 22
IV.LNSS.HHZ. 2021-07-27T03:45:19.80 0.3 undecidable manual S 279 0.2041 101 0.01 75
IV.MC2.EHZ. 2021-07-27T03:45:19.07 0.6 undecidable manual P 345 0.3516 94 0.39 45
IV.MTRA.EHZ. 2021-07-27T03:45:19.20 0.3 undecidable manual S 18 0.1943 102 -0.31 71
IV.ARRO.EHZ. 2021-07-27T03:45:19.44 0.3 undecidable manual P 271 0.4038 93 -0.14 70
IV.FIAM.HNN. 2021-07-27T03:45:18.29 0.1 undecidable manual P 206 0.3372 94 -0.15 94
IV.GAVE.EHZ. 2021-07-27T03:45:18.25 0.3 undecidable manual P 291 0.331 94 -0.09 71
IV.FAGN.HHZ. 2021-07-27T03:45:18.76 1.0 undecidable manual P 147 0.3651 94 -0.16 23
IV.NRCA.HHZ. 2021-07-27T03:45:17.76 0.3 undecidable manual P 331 0.2995 95 -0.04 73
IV.MTRA.EHZ. 2021-07-27T03:45:16.00 0.1 undecidable manual P 18 0.1943 102 -0.01 100
IV.RM33.EHZ. 2021-07-27T03:45:16.70 0.3 undecidable manual S 229 0.0971 128 -0.16 74
IV.CAMP.HHZ. 2021-07-27T03:45:16.40 0.3 undecidable manual S 117 0.0791 136 -0.07 77
IV.TERO.HHZ. 2021-07-27T03:45:16.46 0.3 undecidable manual P 77 0.2194 99 0.02 75
IV.GIGS.HHZ. 2021-07-27T03:45:16.44 0.3 undecidable manual P 122 0.2248 99 -0.09 73
IV.SMA1.EHZ. 2021-07-27T03:45:16.20 0.3 undecidable manual S 15 0.0603 145 0.08 76
IV.LNSS.HHZ. 2021-07-27T03:45:16.26 0.3 undecidable manual P 279 0.2041 101 0.08 75
IV.T1299.HNZ. 2021-07-27T03:45:16.20 0.3 undecidable manual S 339 0.0665 142 -0.03 77
IV.CAMP.HHZ. 2021-07-27T03:45:14.48 0.3 undecidable manual P 117 0.0791 136 0.22 74
IV.RM33.EHZ. 2021-07-27T03:45:14.64 0.1 undecidable manual P 229 0.0971 128 0.15 100
IV.T1299.HNZ. 2021-07-27T03:45:14.38 0.3 undecidable manual P 339 0.0665 142 0.26 73
IV.SMA1.EHZ. 2021-07-27T03:45:14.34 0.1 undecidable manual P 15 0.0603 145 0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.00045 0.72 AML other m 2021-07-27T03:45:16.97
IV.SMA1.EHE. ML:2 0.001156 0.16 AML other m 2021-07-27T03:45:16.67
IV.RM33.EHN. ML:1.5 0.000336 0.1 AML other m 2021-07-27T03:45:17.02
IV.RM33.HNN. ML:1.5 0.000349 1.22 AML other m 2021-07-27T03:45:17.96
IV.RM33.HNE. ML:1.6 0.0004025 1.26 AML other m 2021-07-27T03:45:17.00
IV.RM33.EHE. ML:1.6 0.0003675 1.28 AML other m 2021-07-27T03:45:17.00
IV.MTRA.EHN. ML:1.6 0.0002835 0.24 AML other m 2021-07-27T03:45:19.36
IV.MTRA.HNN. ML:1.7 0.000316 0.46 AML other m 2021-07-27T03:45:19.36
IV.MTRA.EHE. ML:1.5 0.000192 0.22 AML other m 2021-07-27T03:45:19.83
IV.LNSS.HHN. ML:1.4 0.0001375 0.14 AML other m 2021-07-27T03:45:19.94
IV.LNSS.HHE. ML:1.4 0.000142 1.74 AML other m 2021-07-27T03:45:19.10
IV.MTRA.HNE. ML:1.6 0.000224 0.84 AML other m 2021-07-27T03:45:20.83
IV.NRCA.HHN. ML:1.6 0.0001485 0.12 AML other m 2021-07-27T03:45:22.69
IV.NRCA.HHE. ML:1.8 0.0002695 0.16 AML other m 2021-07-27T03:45:22.70
IV.GAVE.EHE. ML:1.2 6.51E-5 1.2 AML other m 2021-07-27T03:45:24.63
IV.GAVE.EHN. ML:1.3 8.21E-5 0.42 AML other m 2021-07-27T03:45:24.73
IV.TST02.HHN. ML:3.2 0.00134 0.72 AML other m 2021-07-27T03:45:39.62
IV.TST02.HHE. ML:3.3 0.00165 0.42 AML other m 2021-07-27T03:45:39.41
IV.SSFR.HNE. ML:3 0.0008795 0.06 AML other m 2021-07-27T03:45:46.47
IV.SSFR.HHN. ML:2.5 0.000291 0.04 AML other m 2021-07-27T03:45:46.49
IV.SSFR.HNN. ML:2.8 0.0006735 0.32 AML other m 2021-07-27T03:45:46.73
IV.SSFR.HHE. ML:2.2 0.000151 0.06 AML other m 2021-07-27T03:45:46.77
IV.MMUR.HNE. ML:2.8 0.0006445 0.52 AML other m 2021-07-27T03:45:52.54
IV.MMUR.HNN. ML:2.8 0.0006725 0.78 AML other m 2021-07-27T03:45:52.51
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