Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 28-05-2022 and time 22:57:18 (UTC) in region 5 km W Posta (RI)

A magnitude ML 1.4 earthquake occured in region: 5 km W Posta (RI), on

  • 28-05-2022 22:57:18 (UTC)
  • 29-05-2022 00:57:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5060, 13.0420 at 14 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
Posta RI 5 694 694
Micigliano RI 6 127 821
Borbona RI 8 617 1438
Leonessa RI 9 2435 3873
Antrodoco RI 10 2588 6461
Borgo Velino RI 11 972 7433
Cantalice RI 12 2755 10188
Castel Sant'Angelo RI 12 1308 11496
Poggio Bustone RI 13 2055 13551
Cittaducale RI 15 6828 20379
Rivodutri RI 15 1253 21632
Cittareale RI 16 482 22114
Cagnano Amiterno AQ 16 1369 23483
Montereale AQ 17 2581 26064
Morro Reatino RI 17 373 26437
Monteleone di Spoleto PG 18 599 27036
Rieti RI 18 47698 74734
Polino TR 18 233 74967
Labro RI 20 374 75341

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
34 Km NW of L'Aquila (69753 inhabitants)
57 Km W of Teramo (54892 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
82 Km NE of Roma (2864731 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km N of Velletri (53303 inhabitants)
94 Km W of Chieti (51815 inhabitants)
96 Km W of Pescara (121014 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 2022-05-28
22:57:18		 42.5063 13.0415 14 2023-01-31
19:03:15		 Bollettino Sismico Italiano INGV 105782691
Reviewed
Rev100 		ML 1.5 2022-05-28
22:57:18		 42.514 13.0492 13 2022-05-28
23:01:48		 Sala Sismica INGV-Roma 105285611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-28 22:57:18 ± 0.13
Latitude 42.5063 ± 0.0072
Longitude 13.0415 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105782691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 384
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.50812
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 105782691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-25 14:42:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 105285611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-28 23:01:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2022-05-28T22:57:36.42 0.3 undecidable manual S 349 56.3991 94 0.36 66
IV.MC2.EHZ. 2022-05-28T22:57:34.00 0.6 undecidable manual S 15 46.5201 95 0.57 43
IV.TERO.HHZ. 2022-05-28T22:57:33.49 0.6 undecidable manual S 74 47.7189 95 -0.26 45
IV.CESX.HHZ. 2022-05-28T22:57:31.48 0.6 undecidable manual S 287 38.8278 96 0.08 48
IV.NRCA.HHZ. 2022-05-28T22:57:30.47 0.6 undecidable manual S 9 36.741 97 -0.38 45
IV.CESI.HHZ. 2022-05-28T22:57:29.06 0.3 undecidable manual P 349 56.3991 94 0.41 65
IV.SMA1.EHZ. 2022-05-28T22:57:28.56 0.6 undecidable manual S 60 27.6501 101 0.12 49
IV.ARRO.EHZ. 2022-05-28T22:57:27.40 0.6 undecidable manual S 290 23.9538 104 -0.07 49
IV.TERO.HHZ. 2022-05-28T22:57:27.06 0.3 undecidable manual P 74 47.7189 95 -0.25 68
IV.MC2.EHZ. 2022-05-28T22:57:27.03 0.3 undecidable manual P 15 46.5201 95 -0.1 70
IV.GAVE.EHZ. 2022-05-28T22:57:27.13 0.6 undecidable manual S 330 23.8539 104 -0.32 47
IV.NRCA.HHZ. 2022-05-28T22:57:25.28 0.1 undecidable manual P 9 36.741 97 -0.36 90
IV.CESX.HHZ. 2022-05-28T22:57:25.89 0.1 undecidable manual P 287 38.8278 96 -0.06 97
IV.RM33.EHZ. 2022-05-28T22:57:25.19 0.3 undecidable manual S 89 14.1747 122 0.14 74
IV.LNSS.HHZ. 2022-05-28T22:57:24.33 0.3 undecidable manual S 359 10.6782 133 0.01 76
IV.SMA1.EHZ. 2022-05-28T22:57:24.30 0.1 undecidable manual P 60 27.6501 101 0.05 98
IV.ARRO.EHZ. 2022-05-28T22:57:23.69 0.1 undecidable manual P 290 23.9538 104 0 99
IV.GAVE.EHZ. 2022-05-28T22:57:23.55 0.1 undecidable manual P 330 23.8539 104 -0.13 97
IV.RM33.EHZ. 2022-05-28T22:57:22.42 0.1 undecidable manual P 89 14.1747 122 0.13 99
IV.LNSS.HHZ. 2022-05-28T22:57:21.98 0.1 undecidable manual P 359 10.6782 133 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNN. ML:1.6 0.00039439049999999995 0.1536 AML other m 2022-05-28T22:57:24.40
IV.LNSS.HHN. ML:1.6 0.0004195 0.16 AML other m 2022-05-28T22:57:24.40
IV.LNSS.HHE. ML:1.6 0.0003872562 0.0896 AML other m 2022-05-28T22:57:24.44
IV.LNSS.HNE. ML:1.5 0.00033483225 0.0768 AML other m 2022-05-28T22:57:24.45
IV.RM33.HNN. ML:1.6 0.00032923694999999995 0.064 AML other m 2022-05-28T22:57:25.24
IV.RM33.EHN. ML:1.6 0.00034750000000000004 0.26 AML other m 2022-05-28T22:57:25.25
IV.RM33.HNE. ML:1.5 0.00027975510000000006 0.1536 AML other m 2022-05-28T22:57:25.52
IV.RM33.EHE. ML:1.5 0.00027987415 0.1664 AML other m 2022-05-28T22:57:25.52
IV.GAVE.EHN. ML:1.2 0.00009107637999999999 0.1792 AML other m 2022-05-28T22:57:27.62
IV.GAVE.HNN. ML:1.5 0.00017947415 0.832 AML other m 2022-05-28T22:57:28.13
IV.GAVE.EHE. ML:1.3 0.00010550000000000002 0.18 AML other m 2022-05-28T22:57:28.34
IV.ARRO.EHE. ML:1.0 0.000061043765 0.1664 AML other m 2022-05-28T22:57:28.86
IV.SMA1.EHE. ML:1.7 0.00027006135 0.1664 AML other m 2022-05-28T22:57:29.11
IV.ARRO.EHN. ML:1.1 0.000063539785 0.1152 AML other m 2022-05-28T22:57:29.09
IV.GAVE.HNE. ML:1.6 0.0002075219 1.1008 AML other m 2022-05-28T22:57:30.22
IV.SMA1.EHN. ML:1.1 0.00006510241999999999 0.5376 AML other m 2022-05-28T22:57:30.21
IV.NRCA.HHN. ML:1.1 0.000051114515 0.0768 AML other m 2022-05-28T22:57:31.30
IV.NRCA.HHE. ML:1.2 0.000060679825 0.0768 AML other m 2022-05-28T22:57:31.33
IV.NRCA.HNE. ML:1.6 0.000144347 0.768 AML other m 2022-05-28T22:57:32.93
IV.CESX.HHN. ML:1.0 0.000035793325000000003 2.624 AML other m 2022-05-28T22:57:35.64
IV.NRCA.HNN. ML:1.7 0.0001941331 1.2288 AML other m 2022-05-28T22:57:35.92
IV.MC2.EHE. ML:1.6 0.000125529535 14.912 AML other m 2022-05-28T22:57:37.75
IV.CESX.HHE. ML:1.0 0.00003326969 1.9584 AML other m 2022-05-28T22:57:45.13
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