Earthquake with magnitude of ML 1.5 on date 05-03-2022 and time 03:27:42 (UTC) in region 2 km E Riolo Terme (RA)

A magnitude ML 1.5 earthquake occured in region: 2 km E Riolo Terme (RA), on

  • 05-03-2022 03:27:42 (UTC)
  • 05-03-2022 04:27:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2810, 11.7500 at 25 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Riolo Terme RA 2 5720 5720
Castel Bolognese RA 6 9554 15274
Brisighella RA 7 7639 22913
Imola BO 9 69797 92710
Faenza RA 11 58541 151251
Casalfiumanese BO 11 3438 154689
Solarolo RA 12 4488 159177
Casola Valsenio RA 12 2617 161794
Borgo Tossignano BO 13 3288 165082
Dozza BO 13 6652 171734
Bagnara di Romagna RA 14 2429 174163
Mordano BO 14 4760 178923
Modigliana FC 14 4560 183483
Fontanelice BO 15 1943 185426
Castel Guelfo di Bologna BO 18 4455 189881
Castel San Pietro Terme BO 18 20811 210692
Cotignola RA 19 7474 218166
Massa Lombarda RA 20 10653 228819
Castrocaro Terme e Terra del Sole FC 20 6426 235245

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km SE of Imola (69797 inhabitants)
11 Km W of Faenza (58541 inhabitants)
24 Km W of Forlì (117913 inhabitants)
39 Km W of Ravenna (159116 inhabitants)
40 Km SE of Bologna (386663 inhabitants)
42 Km W of Cesena (96758 inhabitants)
63 Km S of Ferrara (133155 inhabitants)
69 Km NE of Prato (191150 inhabitants)
69 Km NE of Firenze (382808 inhabitants)
70 Km W of Rimini (147750 inhabitants)
74 Km NE of Scandicci (50609 inhabitants)
77 Km NE of Pistoia (90315 inhabitants)
77 Km SE of Modena (184973 inhabitants)
88 Km S of Rovigo (51867 inhabitants)
88 Km SE of Carpi (70699 inhabitants)
91 Km N of Arezzo (99543 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 1.5 2022-03-05
03:27:42
44.2813 11.7502 25 2022-07-08
12:33:54
Bollettino Sismico Italiano INGV 104405101
Reviewed
Rev100
ML 1.5 2022-03-05
03:27:42
44.2695 11.7603 27 2022-03-05
03:34:43
Sala Sismica INGV-Roma 101691551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-05 03:27:42 ± 0.47
Latitude 44.2813 ± 0.0171
Longitude 11.7502 ± 0.0214
Depth (km) 25 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104405101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1867
Semi-minor axis of confidence ellipse (meter) 1253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 1870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 250
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.46315
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 104405101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-09 14:33:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 101691551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-05 03:34:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHZ. 2022-03-05T03:27:59.53 0.6 undecidable manual S 256 51.4152 110 0.14 47
IV.BOSL.HHE. 2022-03-05T03:27:59.00 0.6 undecidable manual S 218 49.0176 111 0.2 46
IV.SEI.HHZ. 2022-03-05T03:27:56.64 0.6 undecidable manual S 231 40.0266 116 0.05 49
IV.MTRZ.HHZ. 2022-03-05T03:27:53.96 0.6 undecidable manual S 278 26.0517 129 0.55 45
IV.BOSL.HHE. 2022-03-05T03:27:52.09 0.3 undecidable manual P 218 49.0176 111 0.17 71
IV.FNVD.HHZ. 2022-03-05T03:27:52.28 0.3 undecidable manual P 256 51.4152 110 0.02 72
IV.LMD.HHZ. 2022-03-05T03:27:52.62 0.6 undecidable manual S 189 22.8549 133 -0.15 49
IV.VISG.HHZ. 2022-03-05T03:27:51.95 0.6 undecidable manual S 248 27.1506 127 -1.68 25
IV.BRIS.HHZ. 2022-03-05T03:27:50.48 0.6 undecidable manual S 168 6.4935 164 0.07 52
IV.SEI.HHZ. 2022-03-05T03:27:50.62 0.3 undecidable manual P 231 40.0266 116 -0.03 73
IV.LMD.HHZ. 2022-03-05T03:27:48.56 0.1 undecidable manual P 189 22.8549 133 0.12 100
IV.MTRZ.HHZ. 2022-03-05T03:27:48.92 0.1 negative manual P 278 26.0517 129 0.11 100
IV.VISG.HHZ. 2022-03-05T03:27:48.21 0.1 negative manual P 248 27.1506 127 -0.73 82
IV.BRIS.HHZ. 2022-03-05T03:27:47.41 0.1 negative manual P 168 6.4935 164 0.33 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHN. ML:1.1 0.000081 0.52 AML other m 2022-03-05T03:27:50.37
IV.BRIS.HHE. ML:1.3 0.000136 0.44 AML other m 2022-03-05T03:27:50.58
IV.VISG.HHN. ML:1.6 0.000139 1.14 AML other m 2022-03-05T03:27:53.57
IV.MTRZ.HHN. ML:1.6 0.00015465000000000002 1.42 AML other m 2022-03-05T03:27:54.14
IV.VISG.HHE. ML:1.4 0.00009045 0.28 AML other m 2022-03-05T03:27:54.54
IV.LMD.HHE. ML:1.4 0.00011899999999999999 0.44 AML other m 2022-03-05T03:27:54.65
IV.LMD.HHN. ML:1.4 0.0001245 0.42 AML other m 2022-03-05T03:27:54.68
IV.MTRZ.HHE. ML:1.5 0.000131 0.48 AML other m 2022-03-05T03:27:54.64
IV.FNVD.HHE. ML:1.6 0.00007955 0.78 AML other m 2022-03-05T03:28:00.32
IV.FNVD.HHN. ML:1.8 0.00013900000000000002 0.14 AML other m 2022-03-05T03:28:00.52
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