Earthquake with magnitude of ML 1.1 on date 28-01-2023 and time 21:32:56 (UTC) in region 5 km E Pizzoli (AQ)

A magnitude ML 1.1 earthquake occured in region: 5 km E Pizzoli (AQ), on

  • 28-01-2023 21:32:56 (UTC)
  • 28-01-2023 22:32:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4550, 13.3570 at 11 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.

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
Barete AQ 6 737 5063
Capitignano AQ 9 665 5728
Cagnano Amiterno AQ 11 1369 7097
Campotosto AQ 12 542 7639
L'Aquila AQ 12 69753 77392
Montereale AQ 12 2581 79973
Scoppito AQ 12 3727 83700
Crognaleto TE 15 1297 84997
Pietracamela TE 18 271 85268
Lucoli AQ 18 1011 86279
Fano Adriano TE 18 296 86575
Tornimparte AQ 19 3187 89762
Borbona RI 19 617 90379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of L'Aquila (69753 inhabitants)
37 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)
71 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
95 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
Reviewed
Rev100
ML 1.1 2023-01-28
21:32:56
42.4547 13.3568 11 2023-01-28
21:40:13
Sala Sismica INGV-Roma 113868091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-28 21:32:56 ± 0.08
Latitude 42.4547 ± 0.0045
Longitude 13.3568 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113868091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 517
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
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 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 113868091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-28 21:40:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2023-01-28T21:33:10.87 3.0 undecidable manual P -0.32 0
IV.FIAM.HHZ. 2023-01-28T21:33:06.08 0.1 undecidable manual S 224 28.5492 50 -0.05 99
IV.MC2.EHZ. 2023-01-28T21:33:06.22 0.3 undecidable manual P 345 52.503 50 0.68 61
IV.LNSS.HHZ. 2023-01-28T21:33:06.53 0.3 undecidable manual S 303 30.6471 50 -0.16 72
IV.TERO.HHZ. 2023-01-28T21:33:05.47 0.3 undecidable manual S 47 27.4503 50 -0.37 69
IV.NRCA.HHZ. 2023-01-28T21:33:04.35 0.1 undecidable manual P 335 46.4202 50 -0.26 92
IV.T0110.HHZ. 2023-01-28T21:33:04.03 0.3 undecidable manual P 126 42.5241 50 0.03 73
IV.SMA1.EHZ. 2023-01-28T21:33:03.94 0.6 undecidable manual S 355 19.5693 50 0.2 49
IV.GIGS.HHZ. 2023-01-28T21:33:02.73 0.3 undecidable manual S 90 17.6712 122 -0.49 69
IV.FAGN.HHZ. 2023-01-28T21:33:02.68 0.1 undecidable manual P 138 28.0497 50 0.91 77
IV.RM33.EHZ. 2023-01-28T21:33:01.87 0.3 undecidable manual S 297 13.0758 130 -0.06 77
IV.LNSS.HHZ. 2023-01-28T21:33:01.94 0.1 undecidable manual P 303 30.6471 50 -0.24 95
IV.TERO.HHZ. 2023-01-28T21:33:01.67 0.1 undecidable manual P 47 27.4503 50 -0.01 100
IV.FIAM.HHZ. 2023-01-28T21:33:01.77 0.1 undecidable manual P 224 28.5492 50 -0.08 99
MN.AQU.HNZ. 2023-01-28T21:33:01.50 0.3 undecidable manual S 161 11.877 133 -0.09 77
IV.CAMP.HHZ. 2023-01-28T21:33:01.41 0.3 undecidable manual S 25 9.9789 138 0.28 73
IV.GIGS.HHZ. 2023-01-28T21:33:00.05 0.1 undecidable manual P 90 17.6712 122 -0.12 100
IV.SMA1.EHZ. 2023-01-28T21:33:00.60 0.1 undecidable manual P 355 19.5693 50 0.13 100
MN.AQU.HNZ. 2023-01-28T21:32:59.14 0.3 undecidable manual P 161 11.877 133 -0.09 76
IV.CAMP.HHZ. 2023-01-28T21:32:59.16 0.3 undecidable manual P 25 9.9789 138 0.19 75
IV.RM33.EHZ. 2023-01-28T21:32:59.41 0.3 undecidable manual P 297 13.0758 130 -0.02 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.0 0.0001142789 0.2176 AML other m 2023-01-28T21:33:02.38
IV.RM33.EHE. ML:1.1 0.00013660135 0.1536 AML other m 2023-01-28T21:33:02.13
IV.GIGS.HHE. ML:0.7 0.00004145 0.88 AML other m 2023-01-28T21:33:03.42
IV.GIGS.HHN. ML:0.8 0.000052199999999999995 0.14 AML other m 2023-01-28T21:33:03.53
IV.LNSS.HHE. ML:1.2 0.00006956053500000001 0.2432 AML other m 2023-01-28T21:33:07.76
IV.LNSS.HHN. ML:1.2 0.00006643487 0.3584 AML other m 2023-01-28T21:33:07.39
IV.FAGN.HHN. ML:1.2 0.00008314998 0.384 AML other m 2023-01-28T21:33:07.74
IV.FAGN.HHE. ML:1.4 0.00013449153 0.4096 AML other m 2023-01-28T21:33:10.70
IV.RM33.HNE. ML:1.2 0.00016070899999999998 0.4096 AML other m 2023-01-28T21:33:03.63
IV.RM33.HNN. ML:1.2 0.00014690884999999997 0.256 AML other m 2023-01-28T21:33:02.08
IV.SMA1.EHE. ML:1.0 0.000081278625 0.1792 AML other m 2023-01-28T21:33:04.77
IV.SMA1.EHN. ML:0.9 0.00006032202 0.256 AML other m 2023-01-28T21:33:04.60
IV.NRCA.HHE. ML:1.3 0.000053348654999999997 0.1408 AML other m 2023-01-28T21:33:11.20
IV.NRCA.HHN. ML:0.9 0.000024305275 0.1408 AML other m 2023-01-28T21:33:11.48
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