Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-04-2022 and time 03:20:20 (Italy) in region 10 km E Pizzoli (AQ)

A magnitude ML 1.1 earthquake occured in region: 10 km E Pizzoli (AQ), on

  • 04-04-2022 01:20:20 (UTC)
  • 04-04-2022 03:20:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4570, 13.4180 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Pizzoli AQ 10 4326 4326
Barete AQ 11 737 5063
Crognaleto TE 11 1297 6360
L'Aquila AQ 12 69753 76113
Capitignano AQ 12 665 76778
Campotosto AQ 12 542 77320
Pietracamela TE 14 271 77591
Fano Adriano TE 14 296 77887
Cagnano Amiterno AQ 16 1369 79256
Montereale AQ 16 2581 81837
Scoppito AQ 16 3727 85564
Poggio Picenze AQ 18 1136 86700
Fossa AQ 19 721 87421
Lucoli AQ 20 1011 88432
Ocre AQ 20 1167 89599
Cortino TE 20 656 90255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
63 Km W of Chieti (51815 inhabitants)
64 Km E of Terni (111501 inhabitants)
65 Km W of Pescara (121014 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km SE of Foligno (57155 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
Reviewed
Rev100 		ML 1.1 2022-04-04
01:20:20		 42.4573 13.4178 7 2022-04-04
01:26:40		 Sala Sismica INGV-Roma 102751841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-04 01:20:20 ± 0.07
Latitude 42.4573 ± 0.0036
Longitude 13.4178 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102751841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
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 33
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 102751841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-04 01:26:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2022-04-04T01:20:42.32 0.6 undecidable manual S 337 69.6747 50 0.25 47
IV.MTCE.HHZ. 2022-04-04T01:20:42.87 3.0 undecidable manual S -0.43 0
IV.MF5.EHZ. 2022-04-04T01:20:39.94 0.6 undecidable manual S 3 58.8966 50 0.73 41
IV.MC2.EHZ. 2022-04-04T01:20:38.35 0.6 undecidable manual S 340 53.7018 50 0.54 45
IV.MMO1.EHZ. 2022-04-04T01:20:36.54 0.6 undecidable manual S 351 49.617 50 -0.17 49
IV.NRCA.HHZ. 2022-04-04T01:20:35.96 0.3 undecidable manual S 329 48.5181 50 -0.47 70
IV.GIUL.HHZ. 2022-04-04T01:20:34.54 3.0 negative manual P -3.11 0
IV.T0110.HHZ. 2022-04-04T01:20:34.22 0.6 undecidable manual S 131 38.8278 50 0.39 48
IV.VCEL.EHZ. 2022-04-04T01:20:33.05 0.6 undecidable manual S 101 35.3424 102 0.37 49
IV.FDMO.HHZ. 2022-04-04T01:20:32.61 1.0 undecidable manual P 337 69.6747 50 -0.2 24
IV.LNSS.HHZ. 2022-04-04T01:20:32.37 0.6 undecidable manual S 298 34.8429 102 -0.14 51
IV.GUMA.HHZ. 2022-04-04T01:20:32.67 0.3 positive manual P 354 67.4769 50 0.19 71
IV.FIAM.HHZ. 2022-04-04T01:20:31.79 0.6 undecidable manual S 230 32.3454 103 0.11 52
IV.MF5.EHZ. 2022-04-04T01:20:31.25 1.0 undecidable manual P 3 58.8966 50 0.09 25
IV.MC2.EHZ. 2022-04-04T01:20:30.00 0.1 undecidable manual P 340 53.7018 50 -0.36 94
IV.NRCA.HHZ. 2022-04-04T01:20:29.08 0.3 negative manual P 329 48.5181 50 -0.48 70
IV.MMO1.EHZ. 2022-04-04T01:20:29.46 1.0 negative manual P 351 49.617 50 -0.26 24
IV.FAGN.HHZ. 2022-04-04T01:20:29.48 0.6 undecidable manual S 147 25.2525 106 0.19 51
IV.SMA1.EHZ. 2022-04-04T01:20:28.04 0.6 undecidable manual S 341 20.3685 110 0.38 50
IV.TERO.HHZ. 2022-04-04T01:20:28.67 0.6 undecidable manual S 40 23.8539 107 -0.14 52
IV.RM33.EHZ. 2022-04-04T01:20:27.14 0.6 undecidable manual S 289 17.5713 112 0.37 50
IV.T0110.HHZ. 2022-04-04T01:20:27.64 1.0 undecidable manual P 131 38.8278 50 -0.42 24
IV.LNSS.HHZ. 2022-04-04T01:20:27.10 0.6 undecidable manual P 298 34.8429 102 -0.19 51
IV.VCEL.EHZ. 2022-04-04T01:20:27.58 0.6 undecidable manual P 101 35.3424 102 0.19 51
IV.FIAM.HHZ. 2022-04-04T01:20:26.38 1.0 positive manual P 230 32.3454 103 -0.44 24
IV.FAGN.HHZ. 2022-04-04T01:20:25.27 0.6 negative manual P 147 25.2525 106 -0.16 52
IV.TERO.HHZ. 2022-04-04T01:20:25.02 1.0 undecidable manual P 40 23.8539 107 -0.14 26
MN.AQU.HHE. 2022-04-04T01:20:24.80 0.6 undecidable manual S 185 11.4774 122 -0.09 54
IV.RM33.EHZ. 2022-04-04T01:20:24.24 1.0 positive manual P 289 17.5713 112 0.26 26
IV.SMA1.EHZ. 2022-04-04T01:20:24.75 0.6 positive manual P 341 20.3685 110 0.25 51
IV.GIGS.HHZ. 2022-04-04T01:20:24.82 0.1 undecidable manual S 92 12.6762 120 -0.42 100
IV.GIGS.HHZ. 2022-04-04T01:20:23.29 0.3 positive manual P 92 12.6762 120 0.19 79
MN.AQU.HHE. 2022-04-04T01:20:23.00 0.3 undecidable manual P 185 11.4774 122 0.1 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:0.9 0.00009669999999999999 0.62 AML other m 2022-04-04T01:20:25.67
IV.GIGS.HHN. ML:1.0 0.00013550000000000001 0.12 AML other m 2022-04-04T01:20:26.07
IV.RM33.EHE. ML:1.2 0.0001245 0.26 AML other m 2022-04-04T01:20:28.27
IV.RM33.EHN. ML:1.2 0.0001255 0.42 AML other m 2022-04-04T01:20:28.47
IV.SMA1.EHN. ML:0.9 0.0000605 0.82 AML other m 2022-04-04T01:20:28.22
IV.TERO.HHN. ML:1.3 0.00012969999999999998 1 AML other m 2022-04-04T01:20:28.77
IV.TERO.HHE. ML:1.2 0.00010775 1.46 AML other m 2022-04-04T01:20:28.80
IV.SMA1.EHE. ML:1.0 0.00006845 1.36 AML other m 2022-04-04T01:20:31.09
IV.FAGN.HHN. ML:1.5 0.00017299999999999998 0.26 AML other m 2022-04-04T01:20:31.17
IV.FAGN.HHE. ML:1.5 0.0001795 0.3 AML other m 2022-04-04T01:20:32.52
IV.FIAM.HHN. ML:0.6 0.0000212 0.26 AML other m 2022-04-04T01:20:32.58
IV.FIAM.HHE. ML:0.6 0.0000217 0.4 AML other m 2022-04-04T01:20:32.74
IV.LNSS.HHE. ML:1.0 0.000039599999999999994 0.14 AML other m 2022-04-04T01:20:33.12
IV.VCEL.EHE. ML:1.2 0.00007195 0.4 AML other m 2022-04-04T01:20:34.65
IV.T0110.HHE. ML:1.2 0.000058700000000000004 1.08 AML other m 2022-04-04T01:20:35.28
IV.VCEL.EHN. ML:1.2 0.00007209999999999999 0.26 AML other m 2022-04-04T01:20:35.50
IV.T0110.HHN. ML:1.3 0.00006785 0.54 AML other m 2022-04-04T01:20:36.30
IV.LNSS.HHN. ML:0.9 0.00003665 0.42 AML other m 2022-04-04T01:20:37.89
IV.NRCA.HHN. ML:1.2 0.0000414 0.46 AML other m 2022-04-04T01:20:38.49
IV.NRCA.HHE. ML:1.4 0.00006645 0.1 AML other m 2022-04-04T01:20:38.52
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