Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 28-04-2022 and time 03:47:52 (UTC) in region 6 km E Pizzoli (AQ)

A magnitude ML 1.4 earthquake occured in region: 6 km E Pizzoli (AQ), on

  • 28-04-2022 03:47:52 (UTC)
  • 28-04-2022 05:47:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4580, 13.3580 at 11 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.

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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 6 4326 4326
Barete AQ 6 737 5063
Capitignano AQ 8 665 5728
Cagnano Amiterno AQ 11 1369 7097
Campotosto AQ 11 542 7639
Montereale AQ 12 2581 10220
L'Aquila AQ 12 69753 79973
Scoppito AQ 13 3727 83700
Crognaleto TE 14 1297 84997
Pietracamela TE 18 271 85268
Fano Adriano TE 18 296 85564
Lucoli AQ 19 1011 86575
Tornimparte AQ 19 3187 89762
Borbona RI 19 617 90379
Amatrice RI 20 2657 93036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of L'Aquila (69753 inhabitants)
36 Km SW of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
70 Km W of Pescara (121014 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
98 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 1.4 2022-04-28
03:47:52		 42.4585 13.358 11 2022-07-08
12:34:04		 Bollettino Sismico Italiano INGV 106804981
Reviewed
Rev100 		ML 1.3 2022-04-28
03:47:52		 42.4687 13.3712 11 2022-04-28
03:54:13		 Sala Sismica INGV-Roma 103873221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-28 03:47:52 ± 0.08
Latitude 42.4585 ± 0.0054
Longitude 13.3580 ± 0.0073
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106804981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.64302
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 106804981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-04 14:49:09

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 103873221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-28 03:54:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2022-04-28T03:48:11.92 0.6 undecidable manual S 8 59.2962 50 1.23 30
IV.NRCA.HHZ. 2022-04-28T03:48:07.04 0.6 undecidable manual S 335 46.1205 50 -0.14 46
IV.MMO1.EHZ. 2022-04-28T03:48:07.95 0.6 undecidable manual S 357 49.0176 50 0.01 47
IV.VCEL.EHZ. 2022-04-28T03:48:06.43 0.6 undecidable manual S 100 40.1265 50 0.85 37
IV.FDMO.HHZ. 2022-04-28T03:48:04.08 0.3 undecidable manual P 341 67.7766 50 -0.16 66
IV.CSP1.EHZ. 2022-04-28T03:48:04.89 0.3 undecidable manual P 350 71.373 50 0.1 66
IV.FAGN.HHZ. 2022-04-28T03:48:03.00 0.6 undecidable manual S 139 28.2495 50 0.58 42
IV.MF5.EHZ. 2022-04-28T03:48:03.12 0.3 undecidable manual P 8 59.2962 50 0.19 66
IV.LNSS.HHZ. 2022-04-28T03:48:02.99 0.6 undecidable manual S 302 30.5472 50 -0.02 49
IV.TERO.HHZ. 2022-04-28T03:48:01.52 0.6 undecidable manual S 48 27.1506 50 -0.59 43
IV.MMO1.EHZ. 2022-04-28T03:48:01.02 0.3 undecidable manual P 357 49.0176 50 -0.32 66
IV.SMA1.EHZ. 2022-04-28T03:48:00.44 0.6 undecidable manual S 354 19.1697 119 0.49 45
IV.VCEL.EHZ. 2022-04-28T03:48:00.10 0.3 undecidable manual P 100 40.1265 50 0.12 70
IV.NRCA.HHZ. 2022-04-28T03:48:00.50 0.1 undecidable manual P 335 46.1205 50 -0.4 87
IV.FAGN.HHZ. 2022-04-28T03:47:58.16 0.3 undecidable manual P 139 28.2495 50 0.01 73
IV.FIAM.HHZ. 2022-04-28T03:47:58.21 0.3 undecidable manual P 223 28.9488 50 -0.04 73
IV.RM33.EHZ. 2022-04-28T03:47:58.38 0.6 undecidable manual S 296 12.9759 129 0.21 48
IV.GIGS.HHZ. 2022-04-28T03:47:58.91 0.6 undecidable manual S 92 17.5713 121 -0.57 43
IV.LNSS.HHZ. 2022-04-28T03:47:58.36 0.1 undecidable manual P 302 30.5472 50 -0.14 95
MN.AQU.HNN. 2022-04-28T03:47:57.92 0.6 undecidable manual S 162 12.1767 131 -0.05 50
IV.CAMP.HHZ. 2022-04-28T03:47:57.60 0.3 undecidable manual S 26 9.4794 138 0.3 72
IV.TERO.HHZ. 2022-04-28T03:47:57.65 0.1 undecidable manual P 48 27.1506 50 -0.32 92
IV.GIGS.HHZ. 2022-04-28T03:47:56.20 0.1 undecidable manual P 92 17.5713 121 -0.25 94
IV.SMA1.EHZ. 2022-04-28T03:47:56.61 0.1 undecidable manual P 354 19.1697 119 -0.12 96
IV.RM33.EHZ. 2022-04-28T03:47:55.85 0.1 undecidable manual P 296 12.9759 129 0.15 98
MN.AQU.HNN. 2022-04-28T03:47:55.58 0.1 undecidable manual P 162 12.1767 131 0 100
IV.CAMP.HHZ. 2022-04-28T03:47:55.43 0.1 undecidable manual P 26 9.4794 138 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.8 0.00006865 1.34 AML other m 2022-04-28T03:47:58.74
IV.CAMP.HHN. ML:0.9 0.00009090000000000001 0.52 AML other m 2022-04-28T03:47:58.77
IV.RM33.HNE. ML:1.9 0.0007505 0.26 AML other m 2022-04-28T03:47:58.65
IV.RM33.EHE. ML:1.8 0.0007315 0.26 AML other m 2022-04-28T03:47:58.66
IV.RM33.EHN. ML:1.7 0.000475 0.24 AML other m 2022-04-28T03:47:58.61
IV.RM33.HNN. ML:1.6 0.000443 0.24 AML other m 2022-04-28T03:47:58.61
IV.GIGS.HHE. ML:0.9 0.0000653 1.28 AML other m 2022-04-28T03:47:59.17
IV.GIGS.HHN. ML:0.8 0.00005555 0.88 AML other m 2022-04-28T03:47:59.69
IV.SMA1.EHN. ML:1.1 0.0001032 1.34 AML other m 2022-04-28T03:48:01.14
IV.TERO.HHN. ML:1.4 0.000133 1.54 AML other m 2022-04-28T03:48:02.18
IV.TERO.HHE. ML:1.2 0.00008945 1.54 AML other m 2022-04-28T03:48:02.98
IV.SMA1.EHE. ML:1.3 0.00016549999999999998 0.56 AML other m 2022-04-28T03:48:02.65
IV.LNSS.HHN. ML:1.4 0.000129 0.16 AML other m 2022-04-28T03:48:03.57
IV.LNSS.HHE. ML:1.4 0.000132 0.68 AML other m 2022-04-28T03:48:03.54
IV.FAGN.HHE. ML:1.4 0.0001315 0.22 AML other m 2022-04-28T03:48:06.30
IV.FAGN.HHN. ML:1.5 0.00015450000000000001 1.72 AML other m 2022-04-28T03:48:06.07
IV.NRCA.HHE. ML:1.5 0.00008665 1.02 AML other m 2022-04-28T03:48:08.00
IV.NRCA.HHN. ML:1.2 0.00004615 1.32 AML other m 2022-04-28T03:48:08.23
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