Earthquake · Reviewed by USGS

M4.3 earthquake 25 km SSW of Daniel Flores, Costa Rica

A magnitude 4.3 earthquake struck 25 km SSW of Daniel Flores, Costa Rica at Oct 23, 2025, 03:43 UTC, at a depth of 50 km. The epicentre was 27 km (17 mi) SSW of San Isidro. 27 people reported feeling it to USGS.

Details

Magnitude	4.3 mb
Time	Oct 23, 2025, 03:43 UTC
Depth	50.2 km
Coordinates	9.137, -83.787
Felt reports	27
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
3.9	8 km W of Cañas Gordas, Panama	98 km / 61 mi	depth 10 km	Sep 18, 22:09 UTC
4.6	37 km S of Quepos, Costa Rica	44 km / 27 mi	depth 10 km	Sep 10, 18:04 UTC
5.0	44 km SSE of Quepos, Costa Rica	27 km / 17 mi	depth 10 km	Sep 10, 08:26 UTC
4.3	5 km S of Orosi, Costa Rica	68 km / 42 mi	depth 10 km	Aug 1, 02:16 UTC
4.1	4 km SSE of San Rafael Abajo, Costa Rica	90 km / 56 mi	depth 62 km	Jul 3, 04:18 UTC
4.4	21 km NW of Golfito, Costa Rica	73 km / 45 mi	depth 27 km	Jul 1, 13:41 UTC
4.7	66 km SSW of Puerto Cortés, Costa Rica	83 km / 52 mi	depth 10 km	Jun 4, 01:55 UTC
4.5	27 km S of Puerto Cortés, Costa Rica	54 km / 34 mi	depth 15 km	May 22, 09:19 UTC
4.5	24 km NNE of San Vito, Costa Rica	96 km / 60 mi	depth 10 km	May 19, 02:23 UTC
5.0	16 km ENE of Jacó, Costa Rica	98 km / 61 mi	depth 10 km	May 13, 16:22 UTC
4.1	25 km S of Parrita, Costa Rica	64 km / 40 mi	depth 10 km	May 5, 20:54 UTC
5.0	2 km NNE of Palmichal, Costa Rica	93 km / 58 mi	depth 71 km	Apr 28, 03:49 UTC
3.8	13 km SW of San Marcos, Costa Rica	57 km / 36 mi	depth 49 km	Apr 15, 15:55 UTC
3.7	54 km S of Quepos, Costa Rica	43 km / 27 mi	depth 22 km	Feb 8, 08:27 UTC
4.5	14 km ESE of Puerto Cortés, Costa Rica	49 km / 31 mi	depth 10 km	Feb 2, 01:01 UTC
4.0	2 km WSW of Colima, Costa Rica	97 km / 60 mi	depth 10 km	Jan 19, 23:06 UTC
4.5	60 km S of Quepos, Costa Rica	44 km / 27 mi	depth 10 km	Jan 12, 12:31 UTC
4.1	25 km SSW of Puerto Cortés, Costa Rica	48 km / 30 mi	depth 37 km	Dec 20, 12:43 UTC
4.4	47 km WSW of Puerto Cortés, Costa Rica	38 km / 24 mi	depth 10 km	Dec 7, 14:20 UTC
4.3	62 km WSW of Puerto Cortés, Costa Rica	47 km / 29 mi	depth 10 km	Nov 25, 02:48 UTC
5.1	63 km WSW of Puerto Cortés, Costa Rica	47 km / 29 mi	depth 11 km	Nov 22, 18:41 UTC
4.5	17 km S of Quepos, Costa Rica	42 km / 26 mi	depth 45 km	Nov 21, 19:47 UTC
4.4	60 km S of Quepos, Costa Rica	42 km / 26 mi	depth 10 km	Nov 20, 23:48 UTC
4.4	10 km N of San Vito, Costa Rica	94 km / 59 mi	depth 10 km	Nov 20, 03:49 UTC
5.5	55 km WSW of Puerto Cortés, Costa Rica	42 km / 26 mi	depth 10 km	Nov 18, 22:36 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.