Earthquake with magnitude of ML 0.6 on date 15-03-2020 and time 22:08:36 (UTC) in region 4 km W Riolo Terme (RA)

A magnitude ML 0.6 earthquake occured in region: 4 km W Riolo Terme (RA), on

  • 15-03-2020 22:08:36 (UTC)
  • 15-03-2020 23:08:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2850, 11.6740 at 19 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 4 5720 5720
Casalfiumanese BO 5 3438 9158
Borgo Tossignano BO 7 3288 12446
Casola Valsenio RA 8 2617 15063
Imola BO 8 69797 84860
Dozza BO 9 6652 91512
Fontanelice BO 10 1943 93455
Brisighella RA 10 7639 101094
Castel Bolognese RA 11 9554 110648
Castel San Pietro Terme BO 14 20811 131459
Castel del Rio BO 16 1246 132705
Solarolo RA 16 4488 137193
Castel Guelfo di Bologna BO 16 4455 141648
Mordano BO 17 4760 146408
Faenza RA 17 58541 204949
Bagnara di Romagna RA 17 2429 207378
Modigliana FC 17 4560 211938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SW of Imola (69797 inhabitants)
17 Km W of Faenza (58541 inhabitants)
30 Km W of Forlì (117913 inhabitants)
35 Km SE of Bologna (386663 inhabitants)
44 Km W of Ravenna (159116 inhabitants)
48 Km W of Cesena (96758 inhabitants)
62 Km S of Ferrara (133155 inhabitants)
64 Km NE of Prato (191150 inhabitants)
66 Km NE of Firenze (382808 inhabitants)
70 Km NE of Scandicci (50609 inhabitants)
72 Km SE of Modena (184973 inhabitants)
72 Km NE of Pistoia (90315 inhabitants)
75 Km W of Rimini (147750 inhabitants)
84 Km SE of Carpi (70699 inhabitants)
88 Km S of Rovigo (51867 inhabitants)
93 Km N of Arezzo (99543 inhabitants)
95 Km E of Reggio nell'Emilia (171345 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 0.6 2020-03-15
22:08:36
44.285 11.6737 19 2020-07-18
21:08:28
Bollettino Sismico Italiano INGV 77556811
Reviewed
Rev100
ML 0.7 2020-03-15
22:08:36
44.2992 11.6608 20 2020-03-15
22:18:47
Sala Sismica INGV-Roma 77284881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-15 22:08:36 ± 0.3
Latitude 44.2850 ± 0.0126
Longitude 11.6737 ± 0.0163
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77556811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1305
Semi-minor axis of confidence ellipse (meter) 1012
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 143
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77556811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-03 02:16:01

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77284881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-15 22:18:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VITU.HHZ. 2020-03-15T22:10:13.14 3.0 undecidable manual Sn 0.71 0
IV.PTRJ.HNZ. 2020-03-15T22:09:36.70 3.0 undecidable manual Pg 11.24 0
IV.PCN.EHZ. 2020-03-15T22:09:30.67 3.0 undecidable manual Sg 1.5 0
OX.SABO.HNZ. 2020-03-15T22:09:29.70 3.0 undecidable manual Sn 0.61 0
IV.TEOL.HHZ. 2020-03-15T22:09:07.03 3.0 undecidable manual Sg -1.43 0
IV.SFI.EHE. 2020-03-15T22:08:51.56 0.6 undecidable manual S 162 44.4222 104 0.5 43
IV.RINC.HHZ. 2020-03-15T22:08:51.50 0.6 undecidable manual S 187 44.5221 104 0.4 44
IV.ATFO.HHZ. 2020-03-15T22:08:51.42 3.0 negative manual P -0.87 0
IV.SEI.HHZ. 2020-03-15T22:08:49.46 0.6 undecidable manual S 225 35.8419 108 0.59 42
IV.LMD.HHZ. 2020-03-15T22:08:45.51 0.6 undecidable manual S 173 23.1546 121 -0.28 47
IV.VISG.HHZ. 2020-03-15T22:08:45.21 0.6 undecidable manual S 241 21.7671 123 -0.27 47
IV.RINC.HHZ. 2020-03-15T22:08:45.15 0.3 undecidable manual P 187 44.5221 104 0.22 68
IV.SFI.EHE. 2020-03-15T22:08:44.83 0.3 undecidable manual P 162 44.4222 104 -0.08 71
IV.IMOL.HNZ. 2020-03-15T22:08:44.19 0.6 undecidable manual S 33 9.879 148 0.97 38
IV.BRIS.HHZ. 2020-03-15T22:08:43.33 0.3 undecidable manual S 132 9.9789 148 0.1 75
IV.SEI.HHZ. 2020-03-15T22:08:43.71 0.3 undecidable manual P 225 35.8419 108 0.07 72
IV.VISG.HHZ. 2020-03-15T22:08:41.51 0.3 undecidable manual P 241 21.7671 123 -0.17 72
IV.LMD.HHZ. 2020-03-15T22:08:41.25 0.1 undecidable manual P 173 23.1546 121 -0.61 86
IV.IMOL.HNZ. 2020-03-15T22:08:40.32 0.1 undecidable manual P 33 9.879 148 -0.06 100
IV.BRIS.HHZ. 2020-03-15T22:08:40.12 0.1 positive manual P 132 9.9789 148 -0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHE. ML:0.5 0.000026588287500000003 0.1152 AML other m 2020-03-15T22:08:43.57
IV.BRIS.HHN. ML:0.8 0.000049320610000000004 0.1024 AML other m 2020-03-15T22:08:43.60
IV.LMD.HHN. ML:0.7 0.00002514507 0.8096 AML other m 2020-03-15T22:08:45.69
IV.VISG.HHN. ML:0.7 0.00002385178 0.1536 AML other m 2020-03-15T22:08:46.31
IV.LMD.HHE. ML:0.5 0.00001383537 0.1024 AML other m 2020-03-15T22:08:46.40
IV.VISG.HHE. ML:0.6 0.000020115707 0.192 AML other m 2020-03-15T22:08:47.03
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