Earthquake with magnitude of ML 1.0 on date 27-05-2022 and time 01:23:27 (Italy) in region 5 km W Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km W Amatrice (RI), on

  • 26-05-2022 23:23:27 (UTC)
  • 27-05-2022 01:23:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6160, 13.2380 at 12 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
Amatrice RI 5 2657 2657
Cittareale RI 6 482 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 12 665 7052
Campotosto AQ 13 542 7594
Borbona RI 14 617 8211
Posta RI 15 694 8905
Cagnano Amiterno AQ 17 1369 10274
Arquata del Tronto AP 18 1178 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 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 1.0 2022-05-26
23:23:27
42.6155 13.2378 12 2022-05-26
23:28:31
Sala Sismica INGV-Roma 105189411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-26 23:23:27 ± 0.14
Latitude 42.6155 ± 0.0072
Longitude 13.2378 ± 0.0134
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 105189411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 931
Semi-minor axis of confidence ellipse (meter) 715
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.43527
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 105189411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-26 23:28:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2022-05-26T23:23:37.05 0.3 undecidable manual S 337 26.1516 96 -0.28 72
IV.FDMO.HHZ. 2022-05-26T23:23:36.67 0.1 undecidable manual P 345 48.3183 92 -0.05 97
IV.TERO.HHZ. 2022-05-26T23:23:34.08 0.6 undecidable manual P 88 29.8479 95 0.19 49
IV.MMO1.EHZ. 2022-05-26T23:23:34.50 1.0 undecidable manual P 13 32.3454 94 0.24 24
IV.NRCA.HHZ. 2022-05-26T23:23:33.21 1.0 undecidable manual P 337 26.1516 96 -0.12 25
IV.MC2.EHZ. 2022-05-26T23:23:33.88 1.0 negative manual P 353 33.0447 94 -0.5 23
IV.RM33.EHZ. 2022-05-26T23:23:33.28 0.3 undecidable manual S 189 11.9769 121 -0.39 73
IV.MTRA.EHZ. 2022-05-26T23:23:32.45 0.6 undecidable manual P 40 20.2686 100 0.03 51
IV.SMA1.EHZ. 2022-05-26T23:23:32.77 0.3 undecidable manual S 78 8.0808 137 -0.1 77
IV.LNSS.HHZ. 2022-05-26T23:23:32.78 0.6 undecidable manual P 265 16.1727 108 0.97 38
IV.RM33.EHZ. 2022-05-26T23:23:31.22 0.6 undecidable manual P 189 11.9769 121 0 52
IV.CAMP.HHZ. 2022-05-26T23:23:31.87 1.0 undecidable manual P 122 16.5723 107 0.01 26
IV.SMA1.EHZ. 2022-05-26T23:23:30.99 0.1 negative manual P 78 8.0808 137 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.2 0.00021550000000000003 0.7 AML other m 2022-05-26T23:23:33.11
IV.SMA1.EHN. ML:1.4 0.00027350000000000003 0.34 AML other m 2022-05-26T23:23:33.26
IV.RM33.EHE. ML:1.2 0.000154 0.14 AML other m 2022-05-26T23:23:33.64
IV.RM33.EHN. ML:0.9 0.00007485 0.44 AML other m 2022-05-26T23:23:34.41
IV.LNSS.HHE. ML:0.5 0.000027400000000000002 1.36 AML other m 2022-05-26T23:23:35.25
IV.LNSS.HHN. ML:0.5 0.000022499999999999998 0.34 AML other m 2022-05-26T23:23:35.47
IV.MTRA.EHN. ML:0.9 0.000052000000000000004 0.96 AML other m 2022-05-26T23:23:35.30
IV.MTRA.EHE. ML:1.1 0.00007925 0.52 AML other m 2022-05-26T23:23:36.45
IV.NRCA.HHN. ML:1.4 0.000122 0.12 AML other m 2022-05-26T23:23:37.20
IV.NRCA.HHE. ML:1.5 0.000155 0.5 AML other m 2022-05-26T23:23:37.38
IV.TERO.HHE. ML:0.3 0.000010579999999999999 1.2 AML other m 2022-05-26T23:23:38.08
IV.TERO.HHN. ML:0.6 0.000019900000000000003 0.92 AML other m 2022-05-26T23:23:38.65
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