Earthquake with magnitude of ML 1.0 on date 16-04-2021 and time 00:15:19 (Italy) in region 5 km SE Pizzoli (AQ)

A magnitude ML 1.0 earthquake occured in region: 5 km SE Pizzoli (AQ), on

  • 15-04-2021 22:15:19 (UTC)
  • 16-04-2021 00:15:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.396, 13.317 at 9 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
Pizzoli AQ 5 4326 4326
Scoppito AQ 6 3727 8053
Barete AQ 7 737 8790
L'Aquila AQ 8 69753 78543
Cagnano Amiterno AQ 10 1369 79912
Tornimparte AQ 12 3187 83099
Lucoli AQ 12 1011 84110
Capitignano AQ 14 665 84775
Montereale AQ 16 2581 87356
Ocre AQ 18 1167 88523
Fossa AQ 18 721 89244
Campotosto AQ 19 542 89786
Antrodoco RI 20 2588 92374
Borbona RI 20 617 92991

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NW of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
80 Km SE of Foligno (57155 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
100 Km E of Viterbo (67173 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 1.0 2021-04-15
22:15:19
42.3963 13.3172 9 2021-07-12
16:55:11
Bollettino Sismico Italiano INGV 90230071
Reviewed
Rev100
ML 1.0 2021-04-15
22:15:19
42.3887 13.3082 10 2021-04-15
22:23:52
Sala Sismica INGV-Roma 89128391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-15 22:15:19 ± 0.09
Latitude 42.3963 ± 0.0054
Longitude 13.3172 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90230071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 602
Semi-minor axis of confidence ellipse (meter) 545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 600
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.46135
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 89128391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-15 22:23:52

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 90230071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-18 12:56:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-04-15T22:15:30.44 0.6 undecidable manual S 43 0.3094 50 -0.9 38
IV.SMA1.EHZ. 2021-04-15T22:15:29.40 0.3 undecidable manual S 3 0.2347 110 0.5 67
IV.FAGN.HHZ. 2021-04-15T22:15:29.08 0.3 undecidable manual S 123 0.2365 110 0.11 72
IV.T1299.HNZ. 2021-04-15T22:15:28.80 0.6 undecidable manual S 354 0.2392 109 -0.28 45
IV.NRCA.HNN. 2021-04-15T22:15:28.63 0.6 undecidable manual P 341 0.4614 50 -0.22 45
IV.VCEL.EHN. 2021-04-15T22:15:28.01 0.3 undecidable manual P 90 0.3867 50 0.44 64
IV.FIAM.HNZ. 2021-04-15T22:15:27.13 0.3 undecidable manual S 229 0.1961 113 -0.38 68
IV.T0110.HHZ. 2021-04-15T22:15:27.78 0.3 undecidable manual P 116 0.3777 50 0.35 65
IV.CAMP.HHZ. 2021-04-15T22:15:26.23 0.3 undecidable manual S 26 0.1547 118 0.13 74
IV.GIGS.HHZ. 2021-04-15T22:15:26.93 0.6 undecidable manual S 73 0.197 113 -0.63 40
IV.TERO.HHZ. 2021-04-15T22:15:25.88 0.3 undecidable manual P 43 0.3094 50 -0.37 67
IV.FAGN.HHZ. 2021-04-15T22:15:25.43 0.1 undecidable manual P 123 0.2365 110 0.54 87
IV.RM33.EHZ. 2021-04-15T22:15:25.75 0.6 undecidable manual S 326 0.1358 122 0.29 48
IV.LNSS.HHZ. 2021-04-15T22:15:25.64 0.3 undecidable manual P 315 0.2905 50 -0.28 70
IV.SMA1.EHZ. 2021-04-15T22:15:25.07 0.3 undecidable manual P 3 0.2347 110 0.22 71
IV.T1299.HNZ. 2021-04-15T22:15:25.35 0.3 undecidable manual P 354 0.2392 109 0.4 68
MN.AQU.HNZ. 2021-04-15T22:15:23.69 0.6 undecidable manual S 123 0.0773 137 -0.02 48
IV.GIGS.HHZ. 2021-04-15T22:15:23.79 0.3 undecidable manual P 73 0.197 113 -0.28 68
IV.FIAM.HNZ. 2021-04-15T22:15:23.90 0.3 undecidable manual P 229 0.1961 113 -0.15 71
IV.RM33.EHZ. 2021-04-15T22:15:23.09 0.1 undecidable manual P 326 0.1358 122 0.23 96
IV.CAMP.HHZ. 2021-04-15T22:15:23.32 0.3 undecidable manual P 26 0.1547 118 0.09 74
MN.AQU.HNZ. 2021-04-15T22:15:21.92 0.1 undecidable manual P 123 0.0773 137 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.1 0.0001245 1.16 AML other m 2021-04-15T22:15:26.19
IV.RM33.EHN. ML:1 9.7E-5 0.42 AML other m 2021-04-15T22:15:27.46
IV.SMA1.EHE. ML:1 5.915E-5 1.46 AML other m 2021-04-15T22:15:30.74
IV.SMA1.EHN. ML:1.2 8.425E-5 0.38 AML other m 2021-04-15T22:15:30.40
IV.TERO.HHE. ML:0.7 1.805E-5 0.26 AML other m 2021-04-15T22:15:30.70
IV.FAGN.HHN. ML:1.2 8.27E-5 0.26 AML other m 2021-04-15T22:15:31.63
IV.FAGN.HHE. ML:1.1 7.145E-5 1.74 AML other m 2021-04-15T22:15:33.11
IV.TERO.HHN. ML:0.8 2.435E-5 0.36 AML other m 2021-04-15T22:15:34.22
IV.T0110.HHN. ML:1 3.655E-5 0.84 AML other m 2021-04-15T22:15:34.98
IV.T0110.HHE. ML:1 2.925E-5 0.74 AML other m 2021-04-15T22:15:40.47
IV.SEI.HHN. ML:0 0.000132 0.76 AML other m 2021-04-15T22:16:30.56
IV.SEI.HHE. ML:0 0.000146 0.52 AML other m 2021-04-15T22:16:30.56
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