Earthquake with magnitude of ML 0.8 on date 27-08-2022 and time 22:51:57 (UTC) in region 4 km N Micigliano (RI)

A magnitude ML 0.8 earthquake occured in region: 4 km N Micigliano (RI), on

  • 27-08-2022 22:51:57 (UTC)
  • 28-08-2022 00:51:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4870, 13.0480 at 15 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
Micigliano RI 4 127 127
Posta RI 6 694 821
Borbona RI 8 617 1438
Antrodoco RI 8 2588 4026
Borgo Velino RI 9 972 4998
Castel Sant'Angelo RI 10 1308 6306
Leonessa RI 11 2435 8741
Cantalice RI 12 2755 11496
Poggio Bustone RI 13 2055 13551
Cittaducale RI 14 6828 20379
Cagnano Amiterno AQ 15 1369 21748
Rivodutri RI 16 1253 23001
Montereale AQ 17 2581 25582
Cittareale RI 17 482 26064
Rieti RI 18 47698 73762
Morro Reatino RI 18 373 74135
Concerviano RI 19 291 74426
Barete AQ 20 737 75163
Monteleone di Spoleto PG 20 599 75762

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of L'Aquila (69753 inhabitants)
34 Km E of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
60 Km NE of Guidonia Montecelio (88673 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
81 Km NE of Roma (2864731 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km N of Velletri (53303 inhabitants)
93 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
Reviewed
Rev100
ML 0.8 2022-08-27
22:51:57
42.4867 13.0485 15 2022-08-27
23:07:59
Sala Sismica INGV-Roma 109013321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-27 22:51:57 ± 0.07
Latitude 42.4867 ± 0.0036
Longitude 13.0485 ± 0.0073
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 109013321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 475
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34984
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 109013321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-27 23:07:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SARZ.HHZ. 2022-08-27T22:53:35.06 3.0 undecidable manual Sg 5.39 0
IV.ECTS.HHZ. 2022-08-27T22:53:17.51 3.0 undecidable manual Pg 13.09 0
MN.PDG.HHZ. 2022-08-27T22:53:17.12 3.0 negative manual Pg 17.26 0
IV.MCRV.HHZ. 2022-08-27T22:53:08.73 3.0 undecidable manual Sg 9.83 0
1J.FX11.HHZ. 2022-08-27T22:53:06.20 3.0 negative manual Pg 3.21 0
1J.FX14.HHZ.00 2022-08-27T22:53:01.08 3.0 negative manual Pn -5.91 0
GU.GSCL.HHZ. 2022-08-27T22:52:58.17 3.0 undecidable manual Sg -0.99 0
IV.TDS.HHZ. 2022-08-27T22:52:51.55 3.0 positive manual Pn 2.3 0
OX.DRE.HHZ. 2022-08-27T22:52:45.26 3.0 undecidable manual Pn -0.14 0
IV.CERA.HHZ. 2022-08-27T22:52:14.54 3.0 undecidable manual Pg 1.2 0
IV.NRCA.HHZ. 2022-08-27T22:52:10.73 0.3 undecidable manual S 8 38.8278 98 0.15 71
IV.GAVE.HNN. 2022-08-27T22:52:07.20 0.6 undecidable manual S 331 26.0517 105 -0.02 49
IV.FIAM.HHZ. 2022-08-27T22:52:06.96 0.6 undecidable manual S 167 24.8529 107 0.03 50
IT.UMBT.HGZ. 2022-08-27T22:52:06.16 3.0 undecidable manual Pg -1.28 0
IV.NRCA.HHZ. 2022-08-27T22:52:04.97 0.1 undecidable manual P 8 38.8278 98 -0.15 95
IV.LNSS.HHZ. 2022-08-27T22:52:04.01 0.6 undecidable manual S 357 12.876 129 -0.07 50
IV.RM33.EHZ. 2022-08-27T22:52:04.05 0.6 undecidable manual S 80 13.7751 127 -0.22 49
IV.FIAM.HHZ. 2022-08-27T22:52:03.02 0.3 undecidable manual P 167 24.8529 107 0.01 75
IV.GAVE.HNN. 2022-08-27T22:52:03.15 0.3 undecidable manual P 331 26.0517 105 -0.04 74
IV.LNSS.HHZ. 2022-08-27T22:52:01.50 0.1 undecidable manual P 357 12.876 129 0.13 100
IV.RM33.EHZ. 2022-08-27T22:52:01.57 0.1 undecidable manual P 80 13.7751 127 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.8 0.00004885 0.14 AML other m 2022-08-27T22:52:04.16
IV.LNSS.HHN. ML:0.8 0.0000544 0.48 AML other m 2022-08-27T22:52:04.45
IV.RM33.EHE. ML:1.0 0.00008885 0.28 AML other m 2022-08-27T22:52:04.47
IV.RM33.EHN. ML:0.7 0.00004265 0.82 AML other m 2022-08-27T22:52:04.57
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